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/* 0 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__(99);


/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


module.exports = __webpack_require__(97);


/***/ }),
/* 2 */
/***/ (function(module, exports) {

var g;

// This works in non-strict mode
g = (function() {
	return this;
})();

try {
	// This works if eval is allowed (see CSP)
	g = g || new Function("return this")();
} catch (e) {
	// This works if the window reference is available
	if (typeof window === "object") g = window;
}

// g can still be undefined, but nothing to do about it...
// We return undefined, instead of nothing here, so it's
// easier to handle this case. if(!global) { ...}

module.exports = g;


/***/ }),
/* 3 */
/***/ (function(module, exports) {

// .dirname, .basename, and .extname methods are extracted from Node.js v8.11.1,
// backported and transplited with Babel, with backwards-compat fixes

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

// resolves . and .. elements in a path array with directory names there
// must be no slashes, empty elements, or device names (c:\) in the array
// (so also no leading and trailing slashes - it does not distinguish
// relative and absolute paths)
function normalizeArray(parts, allowAboveRoot) {
  // if the path tries to go above the root, `up` ends up > 0
  var up = 0;
  for (var i = parts.length - 1; i >= 0; i--) {
    var last = parts[i];
    if (last === '.') {
      parts.splice(i, 1);
    } else if (last === '..') {
      parts.splice(i, 1);
      up++;
    } else if (up) {
      parts.splice(i, 1);
      up--;
    }
  }

  // if the path is allowed to go above the root, restore leading ..s
  if (allowAboveRoot) {
    for (; up--; up) {
      parts.unshift('..');
    }
  }

  return parts;
}

// path.resolve([from ...], to)
// posix version
exports.resolve = function() {
  var resolvedPath = '',
      resolvedAbsolute = false;

  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
    var path = (i >= 0) ? arguments[i] : process.cwd();

    // Skip empty and invalid entries
    if (typeof path !== 'string') {
      throw new TypeError('Arguments to path.resolve must be strings');
    } else if (!path) {
      continue;
    }

    resolvedPath = path + '/' + resolvedPath;
    resolvedAbsolute = path.charAt(0) === '/';
  }

  // At this point the path should be resolved to a full absolute path, but
  // handle relative paths to be safe (might happen when process.cwd() fails)

  // Normalize the path
  resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {
    return !!p;
  }), !resolvedAbsolute).join('/');

  return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
};

// path.normalize(path)
// posix version
exports.normalize = function(path) {
  var isAbsolute = exports.isAbsolute(path),
      trailingSlash = substr(path, -1) === '/';

  // Normalize the path
  path = normalizeArray(filter(path.split('/'), function(p) {
    return !!p;
  }), !isAbsolute).join('/');

  if (!path && !isAbsolute) {
    path = '.';
  }
  if (path && trailingSlash) {
    path += '/';
  }

  return (isAbsolute ? '/' : '') + path;
};

// posix version
exports.isAbsolute = function(path) {
  return path.charAt(0) === '/';
};

// posix version
exports.join = function() {
  var paths = Array.prototype.slice.call(arguments, 0);
  return exports.normalize(filter(paths, function(p, index) {
    if (typeof p !== 'string') {
      throw new TypeError('Arguments to path.join must be strings');
    }
    return p;
  }).join('/'));
};


// path.relative(from, to)
// posix version
exports.relative = function(from, to) {
  from = exports.resolve(from).substr(1);
  to = exports.resolve(to).substr(1);

  function trim(arr) {
    var start = 0;
    for (; start < arr.length; start++) {
      if (arr[start] !== '') break;
    }

    var end = arr.length - 1;
    for (; end >= 0; end--) {
      if (arr[end] !== '') break;
    }

    if (start > end) return [];
    return arr.slice(start, end - start + 1);
  }

  var fromParts = trim(from.split('/'));
  var toParts = trim(to.split('/'));

  var length = Math.min(fromParts.length, toParts.length);
  var samePartsLength = length;
  for (var i = 0; i < length; i++) {
    if (fromParts[i] !== toParts[i]) {
      samePartsLength = i;
      break;
    }
  }

  var outputParts = [];
  for (var i = samePartsLength; i < fromParts.length; i++) {
    outputParts.push('..');
  }

  outputParts = outputParts.concat(toParts.slice(samePartsLength));

  return outputParts.join('/');
};

exports.sep = '/';
exports.delimiter = ':';

exports.dirname = function (path) {
  if (typeof path !== 'string') path = path + '';
  if (path.length === 0) return '.';
  var code = path.charCodeAt(0);
  var hasRoot = code === 47 /*/*/;
  var end = -1;
  var matchedSlash = true;
  for (var i = path.length - 1; i >= 1; --i) {
    code = path.charCodeAt(i);
    if (code === 47 /*/*/) {
        if (!matchedSlash) {
          end = i;
          break;
        }
      } else {
      // We saw the first non-path separator
      matchedSlash = false;
    }
  }

  if (end === -1) return hasRoot ? '/' : '.';
  if (hasRoot && end === 1) {
    // return '//';
    // Backwards-compat fix:
    return '/';
  }
  return path.slice(0, end);
};

function basename(path) {
  if (typeof path !== 'string') path = path + '';

  var start = 0;
  var end = -1;
  var matchedSlash = true;
  var i;

  for (i = path.length - 1; i >= 0; --i) {
    if (path.charCodeAt(i) === 47 /*/*/) {
        // If we reached a path separator that was not part of a set of path
        // separators at the end of the string, stop now
        if (!matchedSlash) {
          start = i + 1;
          break;
        }
      } else if (end === -1) {
      // We saw the first non-path separator, mark this as the end of our
      // path component
      matchedSlash = false;
      end = i + 1;
    }
  }

  if (end === -1) return '';
  return path.slice(start, end);
}

// Uses a mixed approach for backwards-compatibility, as ext behavior changed
// in new Node.js versions, so only basename() above is backported here
exports.basename = function (path, ext) {
  var f = basename(path);
  if (ext && f.substr(-1 * ext.length) === ext) {
    f = f.substr(0, f.length - ext.length);
  }
  return f;
};

exports.extname = function (path) {
  if (typeof path !== 'string') path = path + '';
  var startDot = -1;
  var startPart = 0;
  var end = -1;
  var matchedSlash = true;
  // Track the state of characters (if any) we see before our first dot and
  // after any path separator we find
  var preDotState = 0;
  for (var i = path.length - 1; i >= 0; --i) {
    var code = path.charCodeAt(i);
    if (code === 47 /*/*/) {
        // If we reached a path separator that was not part of a set of path
        // separators at the end of the string, stop now
        if (!matchedSlash) {
          startPart = i + 1;
          break;
        }
        continue;
      }
    if (end === -1) {
      // We saw the first non-path separator, mark this as the end of our
      // extension
      matchedSlash = false;
      end = i + 1;
    }
    if (code === 46 /*.*/) {
        // If this is our first dot, mark it as the start of our extension
        if (startDot === -1)
          startDot = i;
        else if (preDotState !== 1)
          preDotState = 1;
    } else if (startDot !== -1) {
      // We saw a non-dot and non-path separator before our dot, so we should
      // have a good chance at having a non-empty extension
      preDotState = -1;
    }
  }

  if (startDot === -1 || end === -1 ||
      // We saw a non-dot character immediately before the dot
      preDotState === 0 ||
      // The (right-most) trimmed path component is exactly '..'
      preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) {
    return '';
  }
  return path.slice(startDot, end);
};

function filter (xs, f) {
    if (xs.filter) return xs.filter(f);
    var res = [];
    for (var i = 0; i < xs.length; i++) {
        if (f(xs[i], i, xs)) res.push(xs[i]);
    }
    return res;
}

// String.prototype.substr - negative index don't work in IE8
var substr = 'ab'.substr(-1) === 'b'
    ? function (str, start, len) { return str.substr(start, len) }
    : function (str, start, len) {
        if (start < 0) start = str.length + start;
        return str.substr(start, len);
    }
;


/***/ }),
/* 4 */
/***/ (function(module, exports) {

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o}),r.d(t,"llparser_create_descriptor",function(){return i}),r.d(t,"llparser_descriptor_set_all",function(){return a}),r.d(t,"llparser_descriptor_set_nil",function(){return l}),r.d(t,"llparser_descriptor_add_char",function(){return s}),r.d(t,"llparser_descriptor_add_range",function(){return _}),r.d(t,"llparser_descriptor_revert",function(){return c}),r.d(t,"llparser_add_rule",function(){return u}),r.d(t,"llparser_prepare",function(){return d}),r.d(t,"llparser_parse",function(){return f}),r.d(t,"llparser_get_input_buffer",function(){return p}),r.d(t,"llparser_get_result",function(){return h}),r.d(t,"wasm_main",function(){return v}),r.d(t,"memory",function(){return b});var m=r(1),b=m.memory;m.__wbindgen_start()},function(e,t,r){"use strict";r.r(t),r.d(t,"memory",function(){return i}),r.d(t,"rust_calloc",function(){return a}),r.d(t,"rust_free",function(){return l}),r.d(t,"llparser_create",function(){return s}),r.d(t,"llparser_destroy",function(){return _}),r.d(t,"llparser_create_descriptor",function(){return c}),r.d(t,"llparser_descriptor_set_all",function(){return u}),r.d(t,"llparser_descriptor_set_nil",function(){return d}),r.d(t,"llparser_descriptor_add_char",function(){return f}),r.d(t,"llparser_descriptor_add_range",function(){return p}),r.d(t,"llparser_descriptor_revert",function(){return h}),r.d(t,"llparser_add_rule",function(){return v}),r.d(t,"llparser_prepare",function(){return m}),r.d(t,"llparser_parse",function(){return b}),r.d(t,"llparser_get_input_buffer",function(){return g}),r.d(t,"llparser_get_result",function(){return w}),r.d(t,"wasm_main",function(){return y}),r.d(t,"__wbindgen_start",function(){return x});var n=new ArrayBuffer(1114112),o=function(e,t,r){function n(e){var t=0,r=0,n=0,o=0,i=0,a=0,_=0;r=(t=e+-8|0)+(e=-8&(o=m[e+-4>>2]))|0;e:{t:{r:{n:{o:if(!(1&o)){if(!(3&o))break n;if(e=(o=m[t>>2])+e|0,(0|(t=t-o|0))==m[262246]){if(3!=(3&m[r+4>>2]))break o;return m[262244]=e,m[r+4>>2]=-2&m[r+4>>2],m[t+4>>2]=1|e,void(m[e+t>>2]=e)}o>>>0>=256?s(t):(0|(n=m[t+8>>2]))==(0|(i=m[t+12>>2]))?(a=1048576,_=m[262144]&p(o>>>3),m[a>>2]=_):(m[n+12>>2]=i,m[i+8>>2]=n)}if(2&(o=m[r+4>>2]))m[r+4>>2]=-2&o,m[t+4>>2]=1|e,m[e+t>>2]=e;else{o:{if(m[262247]!=(0|r)){if((0|r)!=m[262246])break o;return m[262246]=t,e=m[262244]+e|0,m[262244]=e,m[t+4>>2]=1|e,void(m[e+t>>2]=e)}if(m[262247]=t,e=m[262245]+e|0,m[262245]=e,m[t+4>>2]=1|e,(0|t)==m[262246]&&(m[262244]=0,m[262246]=0),(r=m[262254])>>>0>=e>>>0)break n;if(!(e=m[262247]))break n;i:if(!((o=m[262245])>>>0<41))for(t=1049e3;;){if((n=m[t>>2])+m[t+4>>2]>>>0>e>>>0&&n>>>0<=e>>>0)break i;if(!(t=m[t+8>>2]))break}if(n=4095,e=m[262252]){for(t=0;t=t+1|0,e=m[e+8>>2];);n=t>>>0>4095?t:4095}if(m[262256]=n,o>>>0<=r>>>0)break n;return void(m[262254]=-1)}if(e=(n=-8&o)+e|0,n>>>0>=256?s(r):(0|(n=m[r+12>>2]))==(0|(r=m[r+8>>2]))?(a=1048576,_=m[262144]&p(o>>>3),m[a>>2]=_):(m[r+12>>2]=n,m[n+8>>2]=r),m[t+4>>2]=1|e,m[e+t>>2]=e,m[262246]==(0|t)){m[262244]=e;break n}}if(e>>>0<256)break r;if(l(t,e),e=m[262256]+-1|0,m[262256]=e,!e){if(e=m[262252])break t;e=4095;break e}}return}return e=1048584+((r=e>>>3)<<3)|0,o=m[262144],r=1<<(31&r),n=m[e+8>>2],o&r||(m[262144]=r|o,n=e),r=n,m[e+8>>2]=t,m[r+12>>2]=t,m[t+12>>2]=e,void(m[t+8>>2]=r)}for(t=0;t=t+1|0,e=m[e+8>>2];);e=t>>>0>4095?t:4095}m[262256]=e}function o(e,t,r,n,o,i,a,l,s,_,c,u){var d;return C=d=C+-64|0,m[d+60>>2]=e,m[d+56>>2]=t,m[d+52>>2]=r,m[d+48>>2]=n,m[d+44>>2]=o,m[d+40>>2]=i,m[d+36>>2]=a,m[d+32>>2]=l,m[d+28>>2]=s,m[d+24>>2]=_,m[d+20>>2]=c,m[d+16>>2]=u,t=m[m[d+60>>2]+28>>2],r=m[d+60>>2],e=m[r>>2],m[r>>2]=e+1,m[d+12>>2]=t+y(e,44),m[m[d+12>>2]>>2]=m[d+52>>2],m[m[d+12>>2]+4>>2]=m[d+48>>2],m[d+48>>2]>0&&(m[m[d+12>>2]+8>>2]=m[d+44>>2]),m[d+48>>2]>1&&(m[m[d+12>>2]+12>>2]=m[d+40>>2]),m[d+48>>2]>2&&(m[m[d+12>>2]+16>>2]=m[d+36>>2]),m[d+48>>2]>3&&(m[m[d+12>>2]+20>>2]=m[d+32>>2]),m[d+48>>2]>4&&(m[m[d+12>>2]+24>>2]=m[d+28>>2]),m[d+48>>2]>5&&(m[m[d+12>>2]+28>>2]=m[d+24>>2]),m[d+48>>2]>6&&(m[m[d+12>>2]+32>>2]=m[d+20>>2]),m[d+48>>2]>7&&(m[m[d+12>>2]+36>>2]=m[d+16>>2]),m[m[d+12>>2]+40>>2]=m[d+56>>2],m[d+48>>2]>0&&function(e,t,r){var n=0;m[28+(n=C-32|0)>>2]=e,m[n+24>>2]=t,m[n+20>>2]=r,m[n+16>>2]=(m[n+20>>2]-m[m[n+28>>2]+24>>2]|0)/140,1==m[m[n+20>>2]+4>>2]&&(t=m[m[n+28>>2]+40>>2],r=m[n+28>>2],e=m[r+8>>2],m[r+8>>2]=e+1,m[n+12>>2]=t+(e<<3),m[m[n+12>>2]>>2]=m[n+24>>2],m[m[n+12>>2]+4>>2]=m[m[n+20>>2]+136>>2],m[m[n+20>>2]+136>>2]=m[n+12>>2])}(m[d+60>>2],m[d+12>>2],m[d+52>>2]),C=d- -64|0,m[d+12>>2]}function i(e,t,r,n,o){var a;if(C=a=C-48|0,m[a+44>>2]=e,m[a+40>>2]=t,m[a+36>>2]=r,m[a+32>>2]=n,m[a+28>>2]=o,m[m[a+40>>2]>>2]!=m[a+36>>2])for(m[m[a+40>>2]>>2]=m[a+36>>2],m[a+24>>2]=m[m[a+40>>2]+136>>2],m[a+20>>2]=1&(0!=m[a+28>>2]^-1^-1);m[a+24>>2];){for(m[a+20>>2]||(m[a+28>>2]=m[a+24>>2]),m[a+16>>2]=m[m[m[a+24>>2]>>2]+8>>2],1==m[m[a+16>>2]+4>>2]&&i(m[a+44>>2],m[a+16>>2],m[a+36>>2],m[a+32>>2],m[a+28>>2]),m[a+12>>2]=0;!(m[a+12>>2]>=128);)b[m[a+12>>2]+(m[a+16>>2]+8|0)|0]&&(w[m[a+28>>2]>>2]>=w[m[a+32>>2]+(m[a+12>>2]<<2)>>2]&&m[m[a+32>>2]+(m[a+12>>2]<<2)>>2]||(m[m[a+32>>2]+(m[a+12>>2]<<2)>>2]=m[m[a+28>>2]>>2])),m[a+12>>2]=m[a+12>>2]+1;m[a+24>>2]=m[m[a+24>>2]+4>>2]}C=a+48|0}function a(e,t,r,n){var o;for(m[44+(o=C-48|0)>>2]=e,m[o+40>>2]=t,m[o+36>>2]=r,m[o+32>>2]=n,m[o+28>>2]=m[m[o+40>>2]+136>>2];m[o+28>>2];){if(m[o+24>>2]=m[m[m[o+28>>2]>>2]+8>>2],m[o+24>>2]==m[o+40>>2])for(m[o+20>>2]=m[m[m[o+28>>2]>>2]+12>>2],m[o+16>>2]=0;!(m[o+16>>2]>=128);){e:{if(1!=m[m[o+20>>2]+4>>2]){if(!b[m[o+16>>2]+(m[o+20>>2]+8|0)|0])break e}else if(m[o+12>>2]=m[m[o+44>>2]+32>>2]+((m[o+20>>2]-m[m[o+44>>2]+24>>2]|0)/140<<9),!m[m[o+12>>2]+(m[o+16>>2]<<2)>>2])break e;w[m[o+28>>2]>>2]>=w[m[o+32>>2]+(m[o+16>>2]<<2)>>2]&&m[m[o+32>>2]+(m[o+16>>2]<<2)>>2]||(m[m[o+32>>2]+(m[o+16>>2]<<2)>>2]=m[m[o+28>>2]>>2])}m[o+16>>2]=m[o+16>>2]+1}m[o+28>>2]=m[m[o+28>>2]+4>>2]}}function l(e,t){var r=0,n=0,o=0,i=0;m[e+16>>2]=0,m[e+20>>2]=0,o=e,r=0,(n=t>>>8)&&(r=31,t>>>0>16777215||(r=62+((t>>>(6-(n=x(n))&31)&1)-(n<<1)|0)|0)),m[o+28>>2]=r,o=1048848+(r<<2)|0;e:{t:{r:{n:{if((i=m[262145])&(n=1<<(31&r))){if(n=m[o>>2],(-8&m[n+4>>2])!=(0|t))break n;r=n;break r}m[262145]=n|i,m[o>>2]=e,m[e+24>>2]=o;break e}for(o=t<<(31==(0|r)?0:25-(r>>>1)&31);;){if(!(r=m[(i=16+((o>>>29&4)+n|0)|0)>>2]))break t;if(o<<=1,n=r,(-8&m[r+4>>2])==(0|t))break}}return t=m[r+8>>2],m[t+12>>2]=e,m[r+8>>2]=e,m[e+24>>2]=0,m[e+12>>2]=r,void(m[e+8>>2]=t)}m[i>>2]=e,m[e+24>>2]=n}m[e+12>>2]=e,m[e+8>>2]=e}function s(e){var t,r=0,n=0,o=0,i=0,a=0,l=0;t=m[e+24>>2];e:{t:{if((0|e)==(0|(r=m[e+12>>2]))){if(o=m[(r=e+20|0)>>2],n=m[(o?20:16)+e>>2])break t;r=0;break e}n=m[e+8>>2],m[n+12>>2]=r,m[r+8>>2]=n;break e}for(o=o?r:e+16|0;i=o,(n=m[(o=(r=n)+20|0)>>2])||(o=r+16|0,n=m[r+16>>2]),n;);m[i>>2]=0}e:if(t){n=1048848+(m[e+28>>2]<<2)|0;t:{if((0|e)==m[n>>2]){if(m[n>>2]=r,r)break t;return a=1048580,l=m[262145]&p(m[e+28>>2]),void(m[a>>2]=l)}if(m[(m[t+16>>2]==(0|e)?16:20)+t>>2]=r,!r)break e}m[r+24>>2]=t,(n=m[e+16>>2])&&(m[r+16>>2]=n,m[n+24>>2]=r),(e=m[e+20>>2])&&(m[r+20>>2]=e,m[e+24>>2]=r)}}function _(e,t){var r,n,o;return C=r=C-32|0,m[r+24>>2]=e,m[r+20>>2]=t,m[r+16>>2]=0,m[r+12>>2]=0,n=r,o=function e(t,r,n,o,i,a,l){var s,_=0,c=0;C=s=C-96|0,m[s+88>>2]=t,m[s+84>>2]=r,m[s+80>>2]=n,m[s+76>>2]=o,m[s+72>>2]=i,m[s+68>>2]=a,m[s+64>>2]=l,m[s+60>>2]=g[m[s+80>>2]+(m[m[s+76>>2]>>2]<<1)>>1],w[s+60>>2]>=128&&(m[s+60>>2]=1);e:if(m[m[s+72>>2]>>2]>(m[s+64>>2]-4|0))m[s+92>>2]=-1;else if(1==m[m[s+84>>2]+4>>2])if(m[s+56>>2]=m[m[s+76>>2]>>2],m[s+52>>2]=m[m[s+72>>2]>>2],m[s+48>>2]=0,m[s+44>>2]=0,m[s+40>>2]=m[m[s+88>>2]+32>>2]+((m[s+84>>2]-m[m[s+88>>2]+24>>2]|0)/140<<9),m[s+36>>2]=0,!m[m[s+40>>2]+(m[s+60>>2]<<2)>>2]|w[s+60>>2]<=0|w[s+60>>2]>=127?!m[s+60>>2]|!m[m[s+40>>2]+508>>2]?m[m[s+40>>2]>>2]&&(m[s+36>>2]=m[m[s+40>>2]>>2]):m[s+36>>2]=m[m[s+40>>2]+508>>2]:m[s+36>>2]=m[m[s+40>>2]+(m[s+60>>2]<<2)>>2],m[s+36>>2]){for(m[s+68>>2]||m[m[s+36>>2]+40>>2]||(m[s+48>>2]=m[m[s+72>>2]>>2],t=m[s+72>>2],m[t>>2]=m[t>>2]+2),m[s+32>>2]=0;m[s+32>>2]<m[m[s+36>>2]+4>>2];){if(m[s+28>>2]=m[s+68>>2],m[s+68>>2]||!m[m[s+36>>2]+40>>2]|m[m[s+36>>2]+40>>2]==(m[s+32>>2]+65536|0)||(m[s+28>>2]=1),_=s,c=e(m[s+88>>2],m[(m[s+36>>2]+8|0)+(m[s+32>>2]<<2)>>2],m[s+80>>2],m[s+76>>2],m[s+72>>2],m[s+28>>2],m[s+64>>2]),m[_+24>>2]=c,m[s+24>>2]<0){m[s+92>>2]=-1;break e}m[s+68>>2]|m[m[s+36>>2]+40>>2]!=(m[s+32>>2]+65536|0)||(m[s+44>>2]=m[s+24>>2]),m[s+32>>2]=m[s+32>>2]+1}for(m[s+68>>2]||(m[m[s+36>>2]+40>>2]?1==m[m[s+36>>2]+40>>2]&&(r=m[s+56>>2],n=m[m[s+88>>2]+48>>2],o=m[s+72>>2],t=m[o>>2],m[o>>2]=t+1,m[n+(t<<2)>>2]=r,m[s+44>>2]=m[m[s+72>>2]>>2],r=m[m[s+76>>2]>>2],n=m[m[s+88>>2]+48>>2],o=m[s+72>>2],t=m[o>>2],m[o>>2]=t+1,m[n+(t<<2)>>2]=r):(m[m[m[s+88>>2]+48>>2]+(m[s+48>>2]<<2)>>2]=0-m[s+36>>2],m[m[m[s+88>>2]+48>>2]+(m[s+48>>2]+1<<2)>>2]=m[m[s+36>>2]+4>>2],m[s+44>>2]=m[s+48>>2]+1));;){if(m[m[s+72>>2]>>2]>(m[s+64>>2]-4|0)){m[s+92>>2]=-1;break e}if(m[s+20>>2]=m[m[s+88>>2]+36>>2]+((m[s+84>>2]-m[m[s+88>>2]+24>>2]|0)/140<<9),m[s+16>>2]=0,m[s+60>>2]=g[m[s+80>>2]+(m[m[s+76>>2]>>2]<<1)>>1],w[s+60>>2]>=128&&(m[s+60>>2]=1),!m[m[s+20>>2]+(m[s+60>>2]<<2)>>2]|w[s+60>>2]<=0|w[s+60>>2]>=127?!m[s+60>>2]|!m[m[s+20>>2]+508>>2]||(m[s+16>>2]=m[m[s+20>>2]+508>>2]):m[s+16>>2]=m[m[s+20>>2]+(m[s+60>>2]<<2)>>2],!m[s+16>>2])break;for(m[s+68>>2]||(m[m[s+16>>2]+40>>2]?65536!=m[m[s+16>>2]+40>>2]&&(m[m[s+72>>2]>>2]=m[s+52>>2]):(m[m[m[s+88>>2]+48>>2]+(m[s+44>>2]<<2)>>2]=(0-m[m[m[s+88>>2]+48>>2]+(m[s+44>>2]<<2)>>2]|0)-1,m[s+48>>2]=m[m[s+72>>2]>>2],t=m[s+72>>2],m[t>>2]=m[t>>2]+2)),m[s+12>>2]=1;m[s+12>>2]<m[m[s+16>>2]+4>>2];){if(m[s+8>>2]=m[s+68>>2],m[s+68>>2]||!m[m[s+16>>2]+40>>2]|m[m[s+16>>2]+40>>2]==(m[s+12>>2]+65536|0)||(m[s+8>>2]=1),_=s,c=e(m[s+88>>2],m[(m[s+16>>2]+8|0)+(m[s+12>>2]<<2)>>2],m[s+80>>2],m[s+76>>2],m[s+72>>2],m[s+8>>2],m[s+64>>2]),m[_+4>>2]=c,m[s+4>>2]<0){m[s+92>>2]=-1;break e}m[s+68>>2]|m[m[s+16>>2]+40>>2]!=(m[s+12>>2]+65536|0)||(m[s+44>>2]=m[s+4>>2]),m[s+12>>2]=m[s+12>>2]+1}m[s+68>>2]||(m[m[s+16>>2]+40>>2]?1==m[m[s+16>>2]+40>>2]&&(r=m[s+56>>2],n=m[m[s+88>>2]+48>>2],o=m[s+72>>2],t=m[o>>2],m[o>>2]=t+1,m[n+(t<<2)>>2]=r,m[s+44>>2]=m[m[s+72>>2]>>2],r=m[m[s+76>>2]>>2],n=m[m[s+88>>2]+48>>2],o=m[s+72>>2],t=m[o>>2],m[o>>2]=t+1,m[n+(t<<2)>>2]=r):(m[m[m[s+88>>2]+48>>2]+(m[s+48>>2]<<2)>>2]=0-m[s+16>>2],m[m[m[s+88>>2]+48>>2]+(m[s+48>>2]+1<<2)>>2]=m[m[s+16>>2]+4>>2],m[s+44>>2]=m[s+48>>2]+1))}m[s+92>>2]=m[s+44>>2]}else m[s+92>>2]=-1;else{if(m[s+60>>2]&&(-1==m[m[s+84>>2]+4>>2]&&(t=m[s+76>>2],m[t>>2]=m[t>>2]+1),!m[m[s+84>>2]+4>>2])){if(!b[m[s+60>>2]+(m[s+84>>2]+8|0)|0]){m[s+92>>2]=-1;break e}t=m[s+76>>2],m[t>>2]=m[t>>2]+1}m[s+68>>2]||(r=m[m[s+76>>2]>>2],n=m[m[s+84>>2]+4>>2],o=m[m[s+88>>2]+48>>2],i=m[s+72>>2],t=m[i>>2],m[i>>2]=t+1,m[o+(t<<2)>>2]=r-(-2==(0|n)?0:1),r=m[m[s+76>>2]>>2],n=m[m[s+88>>2]+48>>2],o=m[s+72>>2],t=m[o>>2],m[o>>2]=t+1,m[n+(t<<2)>>2]=r),m[s+92>>2]=m[m[s+72>>2]>>2]-1}return C=s+96|0,m[s+92>>2]}(m[r+24>>2],m[r+20>>2],m[m[r+24>>2]+44>>2],r+12|0,r+16|0,0,m[m[r+24>>2]+12>>2]<<1),m[n+8>>2]=o,e=m[m[r+24>>2]+48>>2],t=m[r+16>>2],m[r+16>>2]=t+1,m[e+(t<<2)>>2]=-1,e=m[m[r+24>>2]+48>>2],t=m[r+16>>2],m[r+16>>2]=t+1,m[e+(t<<2)>>2]=0,g[m[m[r+24>>2]+44>>2]+(m[r+12>>2]<<1)>>1]|m[r+8>>2]<0?m[r+28>>2]=m[r+12>>2]+1:m[r+28>>2]=0,C=r+32|0,m[r+28>>2]}function c(e){var t;return!(t=function(e){var t=0,r=0,n=0,o=0,i=0,a=0,_=0,c=0,u=0,d=0,v=0;e:{t:{r:{if(e>>>0>=245){if(e>>>0>=4294901709)break t;if(o=-8&(e=e+11|0),!(c=m[262145]))break r;r=0-o|0,_=0,(e>>>=8)&&(_=31,o>>>0>16777215||(_=62+((o>>>(6-(e=x(e))&31)&1)-(e<<1)|0)|0));n:{o:{if(e=m[1048848+(_<<2)>>2]){for(i=o<<(31==(0|_)?0:25-(_>>>1)&31);;){if(!((a=-8&m[e+4>>2])>>>0<o>>>0||(a=a-o|0)>>>0>=r>>>0||(n=e,r=a))){r=0;break o}if(a=m[e+20>>2],e=m[16+((i>>>29&4)+e|0)>>2],t=a&&(0|a)!=(0|e)?a:t,i<<=1,!e)break}if(t){e=t;break o}if(n)break n}if(n=0,!(e=(0-(e=2<<(31&_))|e)&c))break r;if(!(e=m[1048848+(f(e&0-e)<<2)>>2]))break r}for(;n=(a=(i=(t=-8&m[e+4>>2])-o|0)>>>0<r>>>0&t>>>0>=o>>>0)?e:n,r=a?i:r,e=(t=m[e+16>>2])||m[e+20>>2];);if(!n)break r}if(r>>>0>=(e=m[262244])-o>>>0&&e>>>0>=o>>>0)break r;s(n);n:if(r>>>0>=16){if(m[n+4>>2]=3|o,m[4+(t=n+o|0)>>2]=1|r,m[t+r>>2]=r,r>>>0>=256){l(t,r);break n}e=1048584+((r>>>=3)<<3)|0,i=m[262144],r=1<<(31&r),_=m[e+8>>2],i&r||(m[262144]=r|i,_=e),r=_,m[e+8>>2]=t,m[r+12>>2]=t,m[t+12>>2]=e,m[t+8>>2]=r}else e=r+o|0,m[n+4>>2]=3|e,m[4+(e=e+n|0)>>2]=1|m[e+4>>2];return n+8|0}n:{o:{if(!(3&(e=(t=m[262144])>>>(n=31&(r=(o=e>>>0<11?16:e+11&-8)>>>3))))){if(o>>>0<=w[262244])break r;if(e)break o;if(!(e=m[262145]))break r;for(t=m[1048848+(f(e&0-e)<<2)>>2],r=(-8&m[t+4>>2])-o|0,i=t;;){if(!(e=m[t+16>>2])&&!(e=m[t+20>>2]))break n;r=(t=(n=(-8&m[e+4>>2])-o|0)>>>0<r>>>0)?n:r,i=t?e:i,t=e}}r=(e=m[1048592+(a=(n=r+(1&(-1^e))|0)<<3)>>2])+8|0,(0|(i=m[e+8>>2]))==(0|(a=a+1048584|0))?(d=1048576,v=p(n)&t,m[d>>2]=v):(m[i+12>>2]=a,m[a+8>>2]=i),t=n<<3,m[e+4>>2]=3|t,m[4+(e=e+t|0)>>2]=1|m[e+4>>2];break t}return n=f(0-(e=(r=e<<n)&(0-(e=2<<n)|e))&e),e=m[1048592+(i=n<<3)>>2],(0|(r=m[e+8>>2]))==(0|(i=i+1048584|0))?(d=1048576,v=p(n)&t,m[d>>2]=v):(m[r+12>>2]=i,m[i+8>>2]=r),i=e+8|0,m[e+4>>2]=3|o,r=(t=n<<3)-o|0,m[4+(a=e+o|0)>>2]=1|r,m[e+t>>2]=r,(e=m[262244])&&(e=1048584+((n=e>>>3)<<3)|0,t=m[262246],o=m[262144],n=1<<(31&n),_=m[e+8>>2],o&n||(m[262144]=n|o,_=e),n=_,m[e+8>>2]=t,m[n+12>>2]=t,m[t+12>>2]=e,m[t+8>>2]=n),m[262246]=a,m[262244]=r,i}return s(i),r>>>0>=16?(m[i+4>>2]=3|o,m[4+(a=o+i|0)>>2]=1|r,m[r+a>>2]=r,(e=m[262244])&&(e=1048584+((n=e>>>3)<<3)|0,t=m[262246],o=m[262144],n=1<<(31&n),_=m[e+8>>2],o&n||(m[262144]=n|o,_=e),n=_,m[e+8>>2]=t,m[n+12>>2]=t,m[t+12>>2]=e,m[t+8>>2]=n),m[262246]=a,m[262244]=r):(e=r+o|0,m[i+4>>2]=3|e,m[4+(e=e+i|0)>>2]=1|m[e+4>>2]),i+8|0}r:{n:{o:{i:{if((t=m[262244])>>>0<o>>>0){if((e=m[262245])>>>0>o>>>0)break e;if(r=0,-1==(0|(t=h((e=o+65583|0)>>>16))))break t;if(!(n=t<<16))break t;if(e=(i=-65536&e)+m[262248]|0,m[262248]=e,t=m[262249],m[262249]=t>>>0>e>>>0?t:e,!(r=m[262247]))break i;for(e=1049e3;;){if((0|n)==((t=m[e>>2])+(a=m[e+4>>2])|0))break o;if(!(e=m[e+8>>2]))break}break n}return e=m[262246],(n=t-o|0)>>>0<=15?(m[262246]=0,m[262244]=0,m[e+4>>2]=3|t,o=4+(t=e+t|0)|0,r=1|m[t+4>>2]):(m[262244]=n,r=e+o|0,m[262246]=r,m[r+4>>2]=1|n,m[e+t>>2]=n,r=3|o,o=e+4|0),m[o>>2]=r,e+8|0}for((e=m[262255])>>>0<=n>>>0&&e||(m[262255]=n),e=0,m[262256]=4095,m[262251]=i,m[262250]=n,m[262253]=0;t=e+1048584|0,m[e+1048592>>2]=t,m[e+1048596>>2]=t,256!=(0|(e=e+8|0)););m[262247]=n,e=i+-40|0,m[262245]=e,m[n+4>>2]=1|e,m[4+(e+n|0)>>2]=40,m[262254]=2097152;break r}if(!(m[e+12>>2]|n>>>0<=r>>>0|t>>>0>r>>>0)){m[e+4>>2]=i+a,t=(e=m[262247])+15&-8,m[262247]=t+-8,r=8+((n=i+m[262245]|0)+(e-t|0)|0)|0,m[262245]=r,m[t+-4>>2]=1|r,m[4+(e+n|0)>>2]=40,m[262254]=2097152;break r}}e=m[262255],m[262255]=e>>>0<n>>>0?e:n,t=n+i|0,e=1049e3;n:{for(;;){if((0|t)!=m[e>>2]){if(e=m[e+8>>2])continue;break n}break}if(!m[e+12>>2]){m[e>>2]=n,m[e+4>>2]=i+m[e+4>>2],m[n+4>>2]=3|o,i=n+o|0,o=(t-n|0)-o|0;o:{i:{if((0|t)!=m[262247]){if(m[262246]==(0|t))break i;if(1==(3&(e=m[t+4>>2]))&&((r=-8&e)>>>0>=256?s(t):(0|(a=m[t+12>>2]))==(0|(_=m[t+8>>2]))?(d=1048576,v=m[262144]&p(e>>>3),m[d>>2]=v):(m[_+12>>2]=a,m[a+8>>2]=_),o=r+o|0,t=t+r|0),m[t+4>>2]=-2&m[t+4>>2],m[i+4>>2]=1|o,m[o+i>>2]=o,o>>>0>=256){l(i,o);break o}e=1048584+((t=o>>>3)<<3)|0,r=m[262144],t=1<<(31&t),_=m[e+8>>2],r&t||(m[262144]=t|r,_=e),r=_,m[e+8>>2]=i,m[r+12>>2]=i,m[i+12>>2]=e,m[i+8>>2]=r;break o}m[262247]=i,e=m[262245]+o|0,m[262245]=e,m[i+4>>2]=1|e;break o}m[262246]=i,e=m[262244]+o|0,m[262244]=e,m[i+4>>2]=1|e,m[e+i>>2]=e}return n+8|0}}for(e=1049e3;!((t=m[e>>2])>>>0<=r>>>0&&(a=t+m[e+4>>2]|0)>>>0>r>>>0);)e=m[e+8>>2];for(m[262247]=n,e=i+-40|0,m[262245]=e,m[n+4>>2]=1|e,m[4+(e+n|0)>>2]=40,m[262254]=2097152,m[(t=(e=(a+-32&-8)-8|0)>>>0<r+16>>>0?r:e)+4>>2]=27,e=m[262250],_=m[262251],u=m[262253],m[(c=t+16|0)>>2]=m[262252],m[c+4>>2]=u,m[t+8>>2]=e,m[t+12>>2]=_,m[262251]=i,m[262250]=n,m[262252]=t+8,m[262253]=0,e=t+28|0;m[e>>2]=7,a>>>0>(e=e+4|0)>>>0;);(0|t)!=(0|r)&&(m[t+4>>2]=-2&m[t+4>>2],e=t-r|0,m[r+4>>2]=1|e,m[t>>2]=e,e>>>0>=256?l(r,e):(e=1048584+((t=e>>>3)<<3)|0,n=m[262144],t=1<<(31&t),_=m[e+8>>2],n&t||(m[262144]=t|n,_=e),t=_,m[e+8>>2]=r,m[t+12>>2]=r,m[r+12>>2]=e,m[r+8>>2]=t))}if(r=0,!((e=m[262245])>>>0<=o>>>0))break e}return r}return t=e-o|0,m[262245]=t,n=(e=m[262247])+o|0,m[262247]=n,m[n+4>>2]=1|t,m[e+4>>2]=3|o,e+8|0}(e))|!(3&b[t+-4|0])||function(e,t){if(t)for(;v[0|e]=0,e=e+1|0,t=t+-1|0;);}(t,e),t}function u(e,t){return 0|c(y(e|=0,t|=0))}function d(){}function f(e){return e?31-x(e+-1^e)|0:32}function p(e){var t;return(-1>>>(t=31&e)&-2)<<t|(-1<<(e=0-e&31)&-2)>>>e}function h(t){t|=0;var n=0|r.byteLength/65536,o=n+t|0;if(n<o&&o<65536){var i=new ArrayBuffer(y(o,65536)),a=new e.Int8Array(i);a.set(v),v=a,v=new e.Int8Array(i),new e.Int16Array(i),m=new e.Int32Array(i),b=new e.Uint8Array(i),g=new e.Uint16Array(i),w=new e.Uint32Array(i),new e.Float32Array(i),new e.Float64Array(i),r=i}return n}var v=new e.Int8Array(r),m=(new e.Int16Array(r),new e.Int32Array(r)),b=new e.Uint8Array(r),g=new e.Uint16Array(r),w=new e.Uint32Array(r),y=(new e.Float32Array(r),new e.Float64Array(r),e.Math.imul),x=(e.Math.fround,e.Math.abs,e.Math.clz32),C=(e.Math.min,e.Math.max,e.Math.floor,e.Math.ceil,e.Math.sqrt,t.abort,e.NaN,e.Infinity,1048576);return{memory:Object.create(Object.prototype,{grow:{value:h},buffer:{get:function(){return r}}}),rust_calloc:u,rust_free:function(e){n(e|=0)},llparser_create:function(e,t,r){return 0|function(e,t,r){var n,o,i;return C=n=C-32|0,m[n+28>>2]=e,m[n+24>>2]=t,m[n+20>>2]=r,e=n,t=m[n+28>>2]?m[n+28>>2]:256,m[e+28>>2]=t,e=n,t=m[n+24>>2]?m[n+24>>2]:256,m[e+24>>2]=t,e=n,t=m[n+20>>2]?m[n+20>>2]:256,m[e+20>>2]=t,o=n,i=u(((((((y(m[n+24>>2],140)+52|0)+y(m[n+20>>2],44)|0)+(m[n+24>>2]<<9)|0)+(m[n+24>>2]<<9)|0)+y(m[n+20>>2],m[n+24>>2]<<3)|0)+(m[n+28>>2]<<1)|0)+(m[n+28>>2]<<3)|0,1),m[o+16>>2]=i,m[m[n+16>>2]+12>>2]=m[n+28>>2],m[m[n+16>>2]+16>>2]=m[n+24>>2],m[m[n+16>>2]+20>>2]=m[n+20>>2],m[m[n+16>>2]+4>>2]=0,m[m[n+16>>2]>>2]=0,m[m[n+16>>2]+8>>2]=0,m[n+12>>2]=m[n+16>>2]+52,m[m[n+16>>2]+24>>2]=m[n+12>>2],m[n+12>>2]=m[n+12>>2]+y(m[n+24>>2],140),m[m[n+16>>2]+28>>2]=m[n+12>>2],m[n+12>>2]=m[n+12>>2]+y(m[n+20>>2],44),m[m[n+16>>2]+32>>2]=m[n+12>>2],m[n+12>>2]=m[n+12>>2]+(m[n+24>>2]<<9),m[m[n+16>>2]+36>>2]=m[n+12>>2],m[n+12>>2]=m[n+12>>2]+(m[n+24>>2]<<9),m[m[n+16>>2]+40>>2]=m[n+12>>2],m[n+12>>2]=m[n+12>>2]+y(m[n+20>>2],m[n+24>>2]<<3),m[m[n+16>>2]+44>>2]=m[n+12>>2],m[n+12>>2]=m[n+12>>2]+(m[n+28>>2]<<1),m[m[n+16>>2]+48>>2]=m[n+12>>2],C=n+32|0,m[n+16>>2]}(e|=0,t|=0,r|=0)},llparser_destroy:function(e){!function(e){var 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t;for(m[12+(t=C-16|0)>>2]=e,m[t+8>>2]=1;!(m[t+8>>2]>=127);)v[m[t+8>>2]+(m[t+12>>2]+8|0)|0]=1&(0!=b[m[t+8>>2]+(m[t+12>>2]+8|0)|0]^-1),m[t+8>>2]=m[t+8>>2]+1}(e|=0)},llparser_add_rule:function(e,t,r,n,i,a,l,s,_,c,u,d){return 0|o(e|=0,t|=0,r|=0,n|=0,i|=0,a|=0,l|=0,s|=0,_|=0,c|=0,u|=0,d|=0)},llparser_prepare:function(e){!function(e){var t;for(C=t=C-32|0,m[t+28>>2]=e,m[t+24>>2]=0;!(m[t+24>>2]>=m[m[t+28>>2]+4>>2]);)m[t+20>>2]=m[m[t+28>>2]+24>>2]+y(m[t+24>>2],140),1==m[m[t+20>>2]+4>>2]&&i(m[t+28>>2],m[t+20>>2],m[t+20>>2],m[m[t+28>>2]+32>>2]+(m[t+24>>2]<<9)|0,0),m[t+24>>2]=m[t+24>>2]+1;for(m[t+16>>2]=0;!(m[t+16>>2]>=m[m[t+28>>2]+4>>2]);)m[t+12>>2]=m[m[t+28>>2]+24>>2]+y(m[t+16>>2],140),1==m[m[t+12>>2]+4>>2]&&(m[m[t+12>>2]>>2]=0,a(m[t+28>>2],m[t+12>>2],m[t+12>>2],m[m[t+28>>2]+36>>2]+(m[t+16>>2]<<9)|0)),m[t+16>>2]=m[t+16>>2]+1;C=t+32|0}(e|=0)},llparser_parse:function(e,t){return 0|_(e|=0,t|=0)},llparser_get_input_buffer:function(e){var t;return 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/***/ }),
/* 5 */
/***/ (function(module, exports) {

/**
 * 获取随机 id，生成 15 位
 */
let seed = 1e14 + Math.floor(Math.random() * 9e14)
const charString = 'abcdefghij'
function getId(notNumber) {
  const id = ++seed
  return notNumber ? id.toString().split('').map(item => charString[+item]).join('') : id
}

/**
 * 复制对象
 */
function copy(src) {
  if (typeof src === 'object' && src !== null) {
    let dest

    if (Array.isArray(src)) {
      dest = src.map(item => copy(item))
    } else {
      dest = {}
      Object.keys(src).forEach(key => dest[key] = copy(src[key]))
    }

    return dest
  }

  if (typeof src === 'symbol') return undefined
  return src
}

/**
 * 判断是否是 html 标签
 */
const tags = ['a', 'abbr', 'address', 'area', 'article', 'aside', 'audio', 'b', 'base', 'bdi', 'bdo', 'blockquote', 'body', 'br', 'button', 'canvas', 'caption', 'cite', 'code', 'col', 'colgroup', 'data', 'datalist', 'dd', 'del', 'dfn', 'div', 'dl', 'dt', 'em', 'embed', 'fieldset', 'figcaption', 'figure', 'footer', 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'head', 'header', 'hr', 'html', 'i', 'iframe', 'img', 'input', 'ins', 'kbd', 'keygen', 'label', 'legend', 'li', 'link', 'main', 'map', 'mark', 'meta', 'meter', 'nav', 'noscript', 'object', 'ol', 'optgroup', 'option', 'output', 'p', 'param', 'pre', 'progress', 'q', 'rb', 'rp', 'rt', 'rtc', 'ruby', 's', 'samp', 'script', 'section', 'select', 'small', 'source', 'span', 'strong', 'style', 'sub', 'sup', 'table', 'tbody', 'td', 'template', 'textarea', 'tfoot', 'th', 'thead', 'time', 'title', 'tr', 'track', 'u', 'ul', 'var', 'video', 'wbr']
function isHtmlTag(tagName) {
  return tags.indexOf(tagName) >= 0
}

/**
 * 判断是否是小程序内置组件
 */
const officialTags = [
  'view', 'scroll-view', 'swiper', 'movable-view', 'cover-view', 'cover-view',
  'icon', 'text', 'rich-text', 'progress',
  'button', 'checkbox', 'form', 'input', 'label', 'picker', 'picker', 'picker-view', 'radio', 'slider', 'switch', 'textarea',
  'navigator', 'function-page-navigator',
  'audio', 'image', 'video', 'camera', 'live-player', 'live-pusher',
  'map',
  'canvas',
  'open-data', 'web-view', 'ad'
]
function isOfficialTag(tagName) {
  return officialTags.indexOf(tagName) >= 0 || officialTags.indexOf(`wx-${tagName}`) >= 0
}

/**
 * 转换 rpx 单位为 px 单位
 */
function transformRpx(style) {
  return style.replace(/(\d+)rpx/ig, '$1px')
}

/**
 * 转换连字符为驼峰
 */
function dashToCamelCase(dash) {
  return dash.replace(/-[a-z]/g, s => s[1].toUpperCase())
}

/**
 * 转换驼峰为连字符
 */
function camelToDashCase(camel) {
  return camel.replace(/([A-Z])/g, '-$1').toLowerCase()
}

/**
 * 转换动画对象为样式
 */
function animationToStyle({animates, option = {}}) {
  const {transformOrigin, transition} = option

  if (transition === undefined || animates === undefined) {
    return {
      transformOrigin: '',
      transform: '',
      transition: '',
    }
  }

  const addPx = value => (typeof value === 'number' ? value + 'px' : value)
  const transform = animates.filter(({type}) => type !== 'style').map(({type, args}) => {
    switch (type) {
      case 'matrix':
        return `matrix(${args.join(',')})`
      case 'matrix3d':
        return `matrix3d(${args.join(',')})`

      case 'rotate':
        return `rotate(${args[0]}deg)`
      case 'rotate3d':
        args[3] += 'deg'
        return `rotate3d(${args.join(',')})`
      case 'rotateX':
        return `rotateX(${args[0]}deg)`
      case 'rotateY':
        return `rotateY(${args[0]}deg)`
      case 'rotateZ':
        return `rotateZ(${args[0]}deg)`

      case 'scale':
        return `scale(${args.join(',')})`
      case 'scale3d':
        return `scale3d(${args.join(',')})`
      case 'scaleX':
        return `scaleX(${args[0]})`
      case 'scaleY':
        return `scaleY(${args[0]})`
      case 'scaleZ':
        return `scaleZ(${args[0]})`

      case 'translate':
        return `translate(${args.map(addPx).join(',')})`
      case 'translate3d':
        return `translate3d(${args.map(addPx).join(',')})`
      case 'translateX':
        return `translateX(${addPx(args[0])})`
      case 'translateY':
        return `translateY(${addPx(args[0])})`
      case 'translateZ':
        return `translateZ(${addPx(args[0])})`

      case 'skew':
        return `skew(${args.map(value => value + 'deg').join(',')})`
      case 'skewX':
        return `skewX(${args[0]}deg)`
      case 'skewY':
        return `skewY(${args[0]}deg)`
      default:
        return ''
    }
  }).join(' ')
  const style = animates.filter(({type}) => type === 'style').reduce((previous, current) => {
    previous[current.args[0]] = current.args[1]
    return previous
  }, {})

  return {
    style,
    transformOrigin,
    transform,
    transitionProperty: ['transform', ...Object.keys(style)].join(','),
    transition: `${transition.duration}ms ${transition.timingFunction} ${transition.delay}ms`,
  }
}

/**
 * 调整 exparser 的定义对象
 */
function adjustExparserDefinition(definition) {
  // 调整 properties
  const properties = definition.properties || {}
  Object.keys(properties).forEach(key => {
    const value = properties[key]
    if (value === null) {
      properties[key] = {type: null}
    } else if (value === Number || value === String || value === Boolean || value === Object || value === Array) {
      properties[key] = {type: value}
    } else if (value.public === undefined || value.public) {
      properties[key] = {
        type: value.type === null ? null : value.type,
        value: value.value,
        observer: value.observer,
      }
    }
  })

  return definition
}

/**
 * 存入标签名
 */
const idTagNameMap = {}
function setTagName(id, tagName) {
  idTagNameMap[id] = tagName
}

/**
 * 根据 id 获取标签名
 */
function getTagName(id) {
  return idTagNameMap[id]
}

/**
 * 缓存 componentManager 实例
 */
const CACHE = {}
function cache(id, instance) {
  if (instance) {
    // 存入缓存
    CACHE[id] = instance
  } else {
    // 取缓存
    return CACHE[id]
  }
}

/**
 * 解析事件语法
 */
function parseEvent(name, value) {
  const res = /^(capture-)?(mut-)?(bind|catch|)(?::)?(.*)$/ig.exec(name)

  if (res[3] && res[4]) {
    // 事件绑定
    const isCapture = !!res[1]
    const isMutated = !!res[2]
    const isCatch = res[3] === 'catch'
    const eventName = res[4]

    return {
      name: eventName,
      isMutated,
      isCapture,
      isCatch,
      handler: value,
    }
  }
}

/**
 * 标准化文件绝对路径
 */
function normalizeAbsolute(absolutePath) {
  if (!absolutePath) return null

  absolutePath = absolutePath.replace(/\\/g, '/')
  return absolutePath.split('/').filter(item => !!item).join('/')
}

/**
 * 文件相对路径转绝对路径，其中 basePath 路径必须是文件路径
 */
function relativeToAbsolute(basePath, relativePath) {
  let baseDirPath = normalizeAbsolute(basePath).split('/')
  baseDirPath.pop()
  baseDirPath = baseDirPath.join('/')

  const pathList = []
  normalizeAbsolute(`${baseDirPath}/${relativePath}`).split('/').forEach(item => {
    if (item === '..') {
      pathList.pop()
    } else if (item !== '.') {
      pathList.push(item)
    }
  })

  return pathList.join('/')
}

/**
 * 获取 exparser 节点对应的 dom 节点
 */
function getDom(exparserNode) {
  let dom = exparserNode.$$
  if (!dom) {
    dom = document.createElement('virtual')
    const fragment = document.createDocumentFragment()
    const shadowRoot = exparserNode.shadowRoot
    const childNodes = shadowRoot && shadowRoot.childNodes
    if (childNodes && childNodes.length) {
      childNodes.forEach(child => fragment.appendChild(getDom(child)))
    }
    dom.appendChild(fragment)
  }

  return dom
}

module.exports = {
  getId,
  copy,
  isHtmlTag,
  isOfficialTag,
  transformRpx,
  dashToCamelCase,
  camelToDashCase,
  animationToStyle,
  adjustExparserDefinition,
  setTagName,
  getTagName,
  cache,
  parseEvent,
  normalizeAbsolute,
  relativeToAbsolute,
  getDom,
}


/***/ }),
/* 6 */
/***/ (function(module, exports) {

module.exports = {
  // 节点类型
  TYPE_ROOT: 10,
  TYPE_SLOT: 11,
  TYPE_TEMPLATE: 12,
  TYPE_BLOCK: 13,
  TYPE_IMPORT: 14,
  TYPE_INCLUDE: 15,
  TYPE_WXS: 16,
  TYPE_COMPONENT: 17,
  TYPE_TEXT: 18,
  TYPE_IF: 19,
  TYPE_FOR: 20,
  TYPE_FORITEM: 21,
  TYPE_NATIVE: 22,
}


/***/ }),
/* 7 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


//
//            item        item        item        item
//          /------\    /------\    /------\    /------\
//          | data |    | data |    | data |    | data |
//  null <--+-prev |<---+-prev |<---+-prev |<---+-prev |
//          | next-+--->| next-+--->| next-+--->| next-+--> null
//          \------/    \------/    \------/    \------/
//             ^                                    ^
//             |                list                |
//             |              /------\              |
//             \--------------+-head |              |
//                            | tail-+--------------/
//                            \------/
//

function createItem(data) {
    return {
        prev: null,
        next: null,
        data: data
    };
}

function allocateCursor(node, prev, next) {
    var cursor;

    if (cursors !== null) {
        cursor = cursors;
        cursors = cursors.cursor;
        cursor.prev = prev;
        cursor.next = next;
        cursor.cursor = node.cursor;
    } else {
        cursor = {
            prev: prev,
            next: next,
            cursor: node.cursor
        };
    }

    node.cursor = cursor;

    return cursor;
}

function releaseCursor(node) {
    var cursor = node.cursor;

    node.cursor = cursor.cursor;
    cursor.prev = null;
    cursor.next = null;
    cursor.cursor = cursors;
    cursors = cursor;
}

var cursors = null;
var List = function() {
    this.cursor = null;
    this.head = null;
    this.tail = null;
};

List.createItem = createItem;
List.prototype.createItem = createItem;

List.prototype.updateCursors = function(prevOld, prevNew, nextOld, nextNew) {
    var cursor = this.cursor;

    while (cursor !== null) {
        if (cursor.prev === prevOld) {
            cursor.prev = prevNew;
        }

        if (cursor.next === nextOld) {
            cursor.next = nextNew;
        }

        cursor = cursor.cursor;
    }
};

List.prototype.getSize = function() {
    var size = 0;
    var cursor = this.head;

    while (cursor) {
        size++;
        cursor = cursor.next;
    }

    return size;
};

List.prototype.fromArray = function(array) {
    var cursor = null;

    this.head = null;

    for (var i = 0; i < array.length; i++) {
        var item = createItem(array[i]);

        if (cursor !== null) {
            cursor.next = item;
        } else {
            this.head = item;
        }

        item.prev = cursor;
        cursor = item;
    }

    this.tail = cursor;

    return this;
};

List.prototype.toArray = function() {
    var cursor = this.head;
    var result = [];

    while (cursor) {
        result.push(cursor.data);
        cursor = cursor.next;
    }

    return result;
};

List.prototype.toJSON = List.prototype.toArray;

List.prototype.isEmpty = function() {
    return this.head === null;
};

List.prototype.first = function() {
    return this.head && this.head.data;
};

List.prototype.last = function() {
    return this.tail && this.tail.data;
};

List.prototype.each = function(fn, context) {
    var item;

    if (context === undefined) {
        context = this;
    }

    // push cursor
    var cursor = allocateCursor(this, null, this.head);

    while (cursor.next !== null) {
        item = cursor.next;
        cursor.next = item.next;

        fn.call(context, item.data, item, this);
    }

    // pop cursor
    releaseCursor(this);
};

List.prototype.forEach = List.prototype.each;

List.prototype.eachRight = function(fn, context) {
    var item;

    if (context === undefined) {
        context = this;
    }

    // push cursor
    var cursor = allocateCursor(this, this.tail, null);

    while (cursor.prev !== null) {
        item = cursor.prev;
        cursor.prev = item.prev;

        fn.call(context, item.data, item, this);
    }

    // pop cursor
    releaseCursor(this);
};

List.prototype.forEachRight = List.prototype.eachRight;

List.prototype.nextUntil = function(start, fn, context) {
    if (start === null) {
        return;
    }

    var item;

    if (context === undefined) {
        context = this;
    }

    // push cursor
    var cursor = allocateCursor(this, null, start);

    while (cursor.next !== null) {
        item = cursor.next;
        cursor.next = item.next;

        if (fn.call(context, item.data, item, this)) {
            break;
        }
    }

    // pop cursor
    releaseCursor(this);
};

List.prototype.prevUntil = function(start, fn, context) {
    if (start === null) {
        return;
    }

    var item;

    if (context === undefined) {
        context = this;
    }

    // push cursor
    var cursor = allocateCursor(this, start, null);

    while (cursor.prev !== null) {
        item = cursor.prev;
        cursor.prev = item.prev;

        if (fn.call(context, item.data, item, this)) {
            break;
        }
    }

    // pop cursor
    releaseCursor(this);
};

List.prototype.some = function(fn, context) {
    var cursor = this.head;

    if (context === undefined) {
        context = this;
    }

    while (cursor !== null) {
        if (fn.call(context, cursor.data, cursor, this)) {
            return true;
        }

        cursor = cursor.next;
    }

    return false;
};

List.prototype.map = function(fn, context) {
    var result = new List();
    var cursor = this.head;

    if (context === undefined) {
        context = this;
    }

    while (cursor !== null) {
        result.appendData(fn.call(context, cursor.data, cursor, this));
        cursor = cursor.next;
    }

    return result;
};

List.prototype.filter = function(fn, context) {
    var result = new List();
    var cursor = this.head;

    if (context === undefined) {
        context = this;
    }

    while (cursor !== null) {
        if (fn.call(context, cursor.data, cursor, this)) {
            result.appendData(cursor.data);
        }
        cursor = cursor.next;
    }

    return result;
};

List.prototype.clear = function() {
    this.head = null;
    this.tail = null;
};

List.prototype.copy = function() {
    var result = new List();
    var cursor = this.head;

    while (cursor !== null) {
        result.insert(createItem(cursor.data));
        cursor = cursor.next;
    }

    return result;
};

List.prototype.prepend = function(item) {
    //      head
    //    ^
    // item
    this.updateCursors(null, item, this.head, item);

    // insert to the beginning of the list
    if (this.head !== null) {
        // new item <- first item
        this.head.prev = item;

        // new item -> first item
        item.next = this.head;
    } else {
        // if list has no head, then it also has no tail
        // in this case tail points to the new item
        this.tail = item;
    }

    // head always points to new item
    this.head = item;

    return this;
};

List.prototype.prependData = function(data) {
    return this.prepend(createItem(data));
};

List.prototype.append = function(item) {
    return this.insert(item);
};

List.prototype.appendData = function(data) {
    return this.insert(createItem(data));
};

List.prototype.insert = function(item, before) {
    if (before !== undefined && before !== null) {
        // prev   before
        //      ^
        //     item
        this.updateCursors(before.prev, item, before, item);

        if (before.prev === null) {
            // insert to the beginning of list
            if (this.head !== before) {
                throw new Error('before doesn\'t belong to list');
            }

            // since head points to before therefore list doesn't empty
            // no need to check tail
            this.head = item;
            before.prev = item;
            item.next = before;

            this.updateCursors(null, item);
        } else {

            // insert between two items
            before.prev.next = item;
            item.prev = before.prev;

            before.prev = item;
            item.next = before;
        }
    } else {
        // tail
        //      ^
        //      item
        this.updateCursors(this.tail, item, null, item);

        // insert to the ending of the list
        if (this.tail !== null) {
            // last item -> new item
            this.tail.next = item;

            // last item <- new item
            item.prev = this.tail;
        } else {
            // if list has no tail, then it also has no head
            // in this case head points to new item
            this.head = item;
        }

        // tail always points to new item
        this.tail = item;
    }

    return this;
};

List.prototype.insertData = function(data, before) {
    return this.insert(createItem(data), before);
};

List.prototype.remove = function(item) {
    //      item
    //       ^
    // prev     next
    this.updateCursors(item, item.prev, item, item.next);

    if (item.prev !== null) {
        item.prev.next = item.next;
    } else {
        if (this.head !== item) {
            throw new Error('item doesn\'t belong to list');
        }

        this.head = item.next;
    }

    if (item.next !== null) {
        item.next.prev = item.prev;
    } else {
        if (this.tail !== item) {
            throw new Error('item doesn\'t belong to list');
        }

        this.tail = item.prev;
    }

    item.prev = null;
    item.next = null;

    return item;
};

List.prototype.push = function(data) {
    this.insert(createItem(data));
};

List.prototype.pop = function() {
    if (this.tail !== null) {
        return this.remove(this.tail);
    }
};

List.prototype.unshift = function(data) {
    this.prepend(createItem(data));
};

List.prototype.shift = function() {
    if (this.head !== null) {
        return this.remove(this.head);
    }
};

List.prototype.prependList = function(list) {
    return this.insertList(list, this.head);
};

List.prototype.appendList = function(list) {
    return this.insertList(list);
};

List.prototype.insertList = function(list, before) {
    // ignore empty lists
    if (list.head === null) {
        return this;
    }

    if (before !== undefined && before !== null) {
        this.updateCursors(before.prev, list.tail, before, list.head);

        // insert in the middle of dist list
        if (before.prev !== null) {
            // before.prev <-> list.head
            before.prev.next = list.head;
            list.head.prev = before.prev;
        } else {
            this.head = list.head;
        }

        before.prev = list.tail;
        list.tail.next = before;
    } else {
        this.updateCursors(this.tail, list.tail, null, list.head);

        // insert to end of the list
        if (this.tail !== null) {
            // if destination list has a tail, then it also has a head,
            // but head doesn't change

            // dest tail -> source head
            this.tail.next = list.head;

            // dest tail <- source head
            list.head.prev = this.tail;
        } else {
            // if list has no a tail, then it also has no a head
            // in this case points head to new item
            this.head = list.head;
        }

        // tail always start point to new item
        this.tail = list.tail;
    }

    list.head = null;
    list.tail = null;

    return this;
};

List.prototype.replace = function(oldItem, newItemOrList) {
    if ('head' in newItemOrList) {
        this.insertList(newItemOrList, oldItem);
    } else {
        this.insert(newItemOrList, oldItem);
    }

    this.remove(oldItem);
};

module.exports = List;


/***/ }),
/* 8 */
/***/ (function(module, exports) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

/**
 * This is a helper function for getting values from parameter/options
 * objects.
 *
 * @param args The object we are extracting values from
 * @param name The name of the property we are getting.
 * @param defaultValue An optional value to return if the property is missing
 * from the object. If this is not specified and the property is missing, an
 * error will be thrown.
 */
function getArg(aArgs, aName, aDefaultValue) {
  if (aName in aArgs) {
    return aArgs[aName];
  } else if (arguments.length === 3) {
    return aDefaultValue;
  } else {
    throw new Error('"' + aName + '" is a required argument.');
  }
}
exports.getArg = getArg;

var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.-]*)(?::(\d+))?(.*)$/;
var dataUrlRegexp = /^data:.+\,.+$/;

function urlParse(aUrl) {
  var match = aUrl.match(urlRegexp);
  if (!match) {
    return null;
  }
  return {
    scheme: match[1],
    auth: match[2],
    host: match[3],
    port: match[4],
    path: match[5]
  };
}
exports.urlParse = urlParse;

function urlGenerate(aParsedUrl) {
  var url = '';
  if (aParsedUrl.scheme) {
    url += aParsedUrl.scheme + ':';
  }
  url += '//';
  if (aParsedUrl.auth) {
    url += aParsedUrl.auth + '@';
  }
  if (aParsedUrl.host) {
    url += aParsedUrl.host;
  }
  if (aParsedUrl.port) {
    url += ":" + aParsedUrl.port
  }
  if (aParsedUrl.path) {
    url += aParsedUrl.path;
  }
  return url;
}
exports.urlGenerate = urlGenerate;

/**
 * Normalizes a path, or the path portion of a URL:
 *
 * - Replaces consecutive slashes with one slash.
 * - Removes unnecessary '.' parts.
 * - Removes unnecessary '<dir>/..' parts.
 *
 * Based on code in the Node.js 'path' core module.
 *
 * @param aPath The path or url to normalize.
 */
function normalize(aPath) {
  var path = aPath;
  var url = urlParse(aPath);
  if (url) {
    if (!url.path) {
      return aPath;
    }
    path = url.path;
  }
  var isAbsolute = exports.isAbsolute(path);

  var parts = path.split(/\/+/);
  for (var part, up = 0, i = parts.length - 1; i >= 0; i--) {
    part = parts[i];
    if (part === '.') {
      parts.splice(i, 1);
    } else if (part === '..') {
      up++;
    } else if (up > 0) {
      if (part === '') {
        // The first part is blank if the path is absolute. Trying to go
        // above the root is a no-op. Therefore we can remove all '..' parts
        // directly after the root.
        parts.splice(i + 1, up);
        up = 0;
      } else {
        parts.splice(i, 2);
        up--;
      }
    }
  }
  path = parts.join('/');

  if (path === '') {
    path = isAbsolute ? '/' : '.';
  }

  if (url) {
    url.path = path;
    return urlGenerate(url);
  }
  return path;
}
exports.normalize = normalize;

/**
 * Joins two paths/URLs.
 *
 * @param aRoot The root path or URL.
 * @param aPath The path or URL to be joined with the root.
 *
 * - If aPath is a URL or a data URI, aPath is returned, unless aPath is a
 *   scheme-relative URL: Then the scheme of aRoot, if any, is prepended
 *   first.
 * - Otherwise aPath is a path. If aRoot is a URL, then its path portion
 *   is updated with the result and aRoot is returned. Otherwise the result
 *   is returned.
 *   - If aPath is absolute, the result is aPath.
 *   - Otherwise the two paths are joined with a slash.
 * - Joining for example 'http://' and 'www.example.com' is also supported.
 */
function join(aRoot, aPath) {
  if (aRoot === "") {
    aRoot = ".";
  }
  if (aPath === "") {
    aPath = ".";
  }
  var aPathUrl = urlParse(aPath);
  var aRootUrl = urlParse(aRoot);
  if (aRootUrl) {
    aRoot = aRootUrl.path || '/';
  }

  // `join(foo, '//www.example.org')`
  if (aPathUrl && !aPathUrl.scheme) {
    if (aRootUrl) {
      aPathUrl.scheme = aRootUrl.scheme;
    }
    return urlGenerate(aPathUrl);
  }

  if (aPathUrl || aPath.match(dataUrlRegexp)) {
    return aPath;
  }

  // `join('http://', 'www.example.com')`
  if (aRootUrl && !aRootUrl.host && !aRootUrl.path) {
    aRootUrl.host = aPath;
    return urlGenerate(aRootUrl);
  }

  var joined = aPath.charAt(0) === '/'
    ? aPath
    : normalize(aRoot.replace(/\/+$/, '') + '/' + aPath);

  if (aRootUrl) {
    aRootUrl.path = joined;
    return urlGenerate(aRootUrl);
  }
  return joined;
}
exports.join = join;

exports.isAbsolute = function (aPath) {
  return aPath.charAt(0) === '/' || urlRegexp.test(aPath);
};

/**
 * Make a path relative to a URL or another path.
 *
 * @param aRoot The root path or URL.
 * @param aPath The path or URL to be made relative to aRoot.
 */
function relative(aRoot, aPath) {
  if (aRoot === "") {
    aRoot = ".";
  }

  aRoot = aRoot.replace(/\/$/, '');

  // It is possible for the path to be above the root. In this case, simply
  // checking whether the root is a prefix of the path won't work. Instead, we
  // need to remove components from the root one by one, until either we find
  // a prefix that fits, or we run out of components to remove.
  var level = 0;
  while (aPath.indexOf(aRoot + '/') !== 0) {
    var index = aRoot.lastIndexOf("/");
    if (index < 0) {
      return aPath;
    }

    // If the only part of the root that is left is the scheme (i.e. http://,
    // file:///, etc.), one or more slashes (/), or simply nothing at all, we
    // have exhausted all components, so the path is not relative to the root.
    aRoot = aRoot.slice(0, index);
    if (aRoot.match(/^([^\/]+:\/)?\/*$/)) {
      return aPath;
    }

    ++level;
  }

  // Make sure we add a "../" for each component we removed from the root.
  return Array(level + 1).join("../") + aPath.substr(aRoot.length + 1);
}
exports.relative = relative;

var supportsNullProto = (function () {
  var obj = Object.create(null);
  return !('__proto__' in obj);
}());

function identity (s) {
  return s;
}

/**
 * Because behavior goes wacky when you set `__proto__` on objects, we
 * have to prefix all the strings in our set with an arbitrary character.
 *
 * See https://github.com/mozilla/source-map/pull/31 and
 * https://github.com/mozilla/source-map/issues/30
 *
 * @param String aStr
 */
function toSetString(aStr) {
  if (isProtoString(aStr)) {
    return '$' + aStr;
  }

  return aStr;
}
exports.toSetString = supportsNullProto ? identity : toSetString;

function fromSetString(aStr) {
  if (isProtoString(aStr)) {
    return aStr.slice(1);
  }

  return aStr;
}
exports.fromSetString = supportsNullProto ? identity : fromSetString;

function isProtoString(s) {
  if (!s) {
    return false;
  }

  var length = s.length;

  if (length < 9 /* "__proto__".length */) {
    return false;
  }

  if (s.charCodeAt(length - 1) !== 95  /* '_' */ ||
      s.charCodeAt(length - 2) !== 95  /* '_' */ ||
      s.charCodeAt(length - 3) !== 111 /* 'o' */ ||
      s.charCodeAt(length - 4) !== 116 /* 't' */ ||
      s.charCodeAt(length - 5) !== 111 /* 'o' */ ||
      s.charCodeAt(length - 6) !== 114 /* 'r' */ ||
      s.charCodeAt(length - 7) !== 112 /* 'p' */ ||
      s.charCodeAt(length - 8) !== 95  /* '_' */ ||
      s.charCodeAt(length - 9) !== 95  /* '_' */) {
    return false;
  }

  for (var i = length - 10; i >= 0; i--) {
    if (s.charCodeAt(i) !== 36 /* '$' */) {
      return false;
    }
  }

  return true;
}

/**
 * Comparator between two mappings where the original positions are compared.
 *
 * Optionally pass in `true` as `onlyCompareGenerated` to consider two
 * mappings with the same original source/line/column, but different generated
 * line and column the same. Useful when searching for a mapping with a
 * stubbed out mapping.
 */
function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {
  var cmp = strcmp(mappingA.source, mappingB.source);
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.originalLine - mappingB.originalLine;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.originalColumn - mappingB.originalColumn;
  if (cmp !== 0 || onlyCompareOriginal) {
    return cmp;
  }

  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.generatedLine - mappingB.generatedLine;
  if (cmp !== 0) {
    return cmp;
  }

  return strcmp(mappingA.name, mappingB.name);
}
exports.compareByOriginalPositions = compareByOriginalPositions;

/**
 * Comparator between two mappings with deflated source and name indices where
 * the generated positions are compared.
 *
 * Optionally pass in `true` as `onlyCompareGenerated` to consider two
 * mappings with the same generated line and column, but different
 * source/name/original line and column the same. Useful when searching for a
 * mapping with a stubbed out mapping.
 */
function compareByGeneratedPositionsDeflated(mappingA, mappingB, onlyCompareGenerated) {
  var cmp = mappingA.generatedLine - mappingB.generatedLine;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
  if (cmp !== 0 || onlyCompareGenerated) {
    return cmp;
  }

  cmp = strcmp(mappingA.source, mappingB.source);
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.originalLine - mappingB.originalLine;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.originalColumn - mappingB.originalColumn;
  if (cmp !== 0) {
    return cmp;
  }

  return strcmp(mappingA.name, mappingB.name);
}
exports.compareByGeneratedPositionsDeflated = compareByGeneratedPositionsDeflated;

function strcmp(aStr1, aStr2) {
  if (aStr1 === aStr2) {
    return 0;
  }

  if (aStr1 === null) {
    return 1; // aStr2 !== null
  }

  if (aStr2 === null) {
    return -1; // aStr1 !== null
  }

  if (aStr1 > aStr2) {
    return 1;
  }

  return -1;
}

/**
 * Comparator between two mappings with inflated source and name strings where
 * the generated positions are compared.
 */
function compareByGeneratedPositionsInflated(mappingA, mappingB) {
  var cmp = mappingA.generatedLine - mappingB.generatedLine;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = strcmp(mappingA.source, mappingB.source);
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.originalLine - mappingB.originalLine;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.originalColumn - mappingB.originalColumn;
  if (cmp !== 0) {
    return cmp;
  }

  return strcmp(mappingA.name, mappingB.name);
}
exports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated;

/**
 * Strip any JSON XSSI avoidance prefix from the string (as documented
 * in the source maps specification), and then parse the string as
 * JSON.
 */
function parseSourceMapInput(str) {
  return JSON.parse(str.replace(/^\)]}'[^\n]*\n/, ''));
}
exports.parseSourceMapInput = parseSourceMapInput;

/**
 * Compute the URL of a source given the the source root, the source's
 * URL, and the source map's URL.
 */
function computeSourceURL(sourceRoot, sourceURL, sourceMapURL) {
  sourceURL = sourceURL || '';

  if (sourceRoot) {
    // This follows what Chrome does.
    if (sourceRoot[sourceRoot.length - 1] !== '/' && sourceURL[0] !== '/') {
      sourceRoot += '/';
    }
    // The spec says:
    //   Line 4: An optional source root, useful for relocating source
    //   files on a server or removing repeated values in the
    //   “sources” entry.  This value is prepended to the individual
    //   entries in the “source” field.
    sourceURL = sourceRoot + sourceURL;
  }

  // Historically, SourceMapConsumer did not take the sourceMapURL as
  // a parameter.  This mode is still somewhat supported, which is why
  // this code block is conditional.  However, it's preferable to pass
  // the source map URL to SourceMapConsumer, so that this function
  // can implement the source URL resolution algorithm as outlined in
  // the spec.  This block is basically the equivalent of:
  //    new URL(sourceURL, sourceMapURL).toString()
  // ... except it avoids using URL, which wasn't available in the
  // older releases of node still supported by this library.
  //
  // The spec says:
  //   If the sources are not absolute URLs after prepending of the
  //   “sourceRoot”, the sources are resolved relative to the
  //   SourceMap (like resolving script src in a html document).
  if (sourceMapURL) {
    var parsed = urlParse(sourceMapURL);
    if (!parsed) {
      throw new Error("sourceMapURL could not be parsed");
    }
    if (parsed.path) {
      // Strip the last path component, but keep the "/".
      var index = parsed.path.lastIndexOf('/');
      if (index >= 0) {
        parsed.path = parsed.path.substring(0, index + 1);
      }
    }
    sourceURL = join(urlGenerate(parsed), sourceURL);
  }

  return normalize(sourceURL);
}
exports.computeSourceURL = computeSourceURL;


/***/ }),
/* 9 */
/***/ (function(module, exports) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

/**
 * This is a helper function for getting values from parameter/options
 * objects.
 *
 * @param args The object we are extracting values from
 * @param name The name of the property we are getting.
 * @param defaultValue An optional value to return if the property is missing
 * from the object. If this is not specified and the property is missing, an
 * error will be thrown.
 */
function getArg(aArgs, aName, aDefaultValue) {
  if (aName in aArgs) {
    return aArgs[aName];
  } else if (arguments.length === 3) {
    return aDefaultValue;
  } else {
    throw new Error('"' + aName + '" is a required argument.');
  }
}
exports.getArg = getArg;

var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.]*)(?::(\d+))?(\S*)$/;
var dataUrlRegexp = /^data:.+\,.+$/;

function urlParse(aUrl) {
  var match = aUrl.match(urlRegexp);
  if (!match) {
    return null;
  }
  return {
    scheme: match[1],
    auth: match[2],
    host: match[3],
    port: match[4],
    path: match[5]
  };
}
exports.urlParse = urlParse;

function urlGenerate(aParsedUrl) {
  var url = '';
  if (aParsedUrl.scheme) {
    url += aParsedUrl.scheme + ':';
  }
  url += '//';
  if (aParsedUrl.auth) {
    url += aParsedUrl.auth + '@';
  }
  if (aParsedUrl.host) {
    url += aParsedUrl.host;
  }
  if (aParsedUrl.port) {
    url += ":" + aParsedUrl.port
  }
  if (aParsedUrl.path) {
    url += aParsedUrl.path;
  }
  return url;
}
exports.urlGenerate = urlGenerate;

/**
 * Normalizes a path, or the path portion of a URL:
 *
 * - Replaces consecutive slashes with one slash.
 * - Removes unnecessary '.' parts.
 * - Removes unnecessary '<dir>/..' parts.
 *
 * Based on code in the Node.js 'path' core module.
 *
 * @param aPath The path or url to normalize.
 */
function normalize(aPath) {
  var path = aPath;
  var url = urlParse(aPath);
  if (url) {
    if (!url.path) {
      return aPath;
    }
    path = url.path;
  }
  var isAbsolute = exports.isAbsolute(path);

  var parts = path.split(/\/+/);
  for (var part, up = 0, i = parts.length - 1; i >= 0; i--) {
    part = parts[i];
    if (part === '.') {
      parts.splice(i, 1);
    } else if (part === '..') {
      up++;
    } else if (up > 0) {
      if (part === '') {
        // The first part is blank if the path is absolute. Trying to go
        // above the root is a no-op. Therefore we can remove all '..' parts
        // directly after the root.
        parts.splice(i + 1, up);
        up = 0;
      } else {
        parts.splice(i, 2);
        up--;
      }
    }
  }
  path = parts.join('/');

  if (path === '') {
    path = isAbsolute ? '/' : '.';
  }

  if (url) {
    url.path = path;
    return urlGenerate(url);
  }
  return path;
}
exports.normalize = normalize;

/**
 * Joins two paths/URLs.
 *
 * @param aRoot The root path or URL.
 * @param aPath The path or URL to be joined with the root.
 *
 * - If aPath is a URL or a data URI, aPath is returned, unless aPath is a
 *   scheme-relative URL: Then the scheme of aRoot, if any, is prepended
 *   first.
 * - Otherwise aPath is a path. If aRoot is a URL, then its path portion
 *   is updated with the result and aRoot is returned. Otherwise the result
 *   is returned.
 *   - If aPath is absolute, the result is aPath.
 *   - Otherwise the two paths are joined with a slash.
 * - Joining for example 'http://' and 'www.example.com' is also supported.
 */
function join(aRoot, aPath) {
  if (aRoot === "") {
    aRoot = ".";
  }
  if (aPath === "") {
    aPath = ".";
  }
  var aPathUrl = urlParse(aPath);
  var aRootUrl = urlParse(aRoot);
  if (aRootUrl) {
    aRoot = aRootUrl.path || '/';
  }

  // `join(foo, '//www.example.org')`
  if (aPathUrl && !aPathUrl.scheme) {
    if (aRootUrl) {
      aPathUrl.scheme = aRootUrl.scheme;
    }
    return urlGenerate(aPathUrl);
  }

  if (aPathUrl || aPath.match(dataUrlRegexp)) {
    return aPath;
  }

  // `join('http://', 'www.example.com')`
  if (aRootUrl && !aRootUrl.host && !aRootUrl.path) {
    aRootUrl.host = aPath;
    return urlGenerate(aRootUrl);
  }

  var joined = aPath.charAt(0) === '/'
    ? aPath
    : normalize(aRoot.replace(/\/+$/, '') + '/' + aPath);

  if (aRootUrl) {
    aRootUrl.path = joined;
    return urlGenerate(aRootUrl);
  }
  return joined;
}
exports.join = join;

exports.isAbsolute = function (aPath) {
  return aPath.charAt(0) === '/' || !!aPath.match(urlRegexp);
};

/**
 * Make a path relative to a URL or another path.
 *
 * @param aRoot The root path or URL.
 * @param aPath The path or URL to be made relative to aRoot.
 */
function relative(aRoot, aPath) {
  if (aRoot === "") {
    aRoot = ".";
  }

  aRoot = aRoot.replace(/\/$/, '');

  // It is possible for the path to be above the root. In this case, simply
  // checking whether the root is a prefix of the path won't work. Instead, we
  // need to remove components from the root one by one, until either we find
  // a prefix that fits, or we run out of components to remove.
  var level = 0;
  while (aPath.indexOf(aRoot + '/') !== 0) {
    var index = aRoot.lastIndexOf("/");
    if (index < 0) {
      return aPath;
    }

    // If the only part of the root that is left is the scheme (i.e. http://,
    // file:///, etc.), one or more slashes (/), or simply nothing at all, we
    // have exhausted all components, so the path is not relative to the root.
    aRoot = aRoot.slice(0, index);
    if (aRoot.match(/^([^\/]+:\/)?\/*$/)) {
      return aPath;
    }

    ++level;
  }

  // Make sure we add a "../" for each component we removed from the root.
  return Array(level + 1).join("../") + aPath.substr(aRoot.length + 1);
}
exports.relative = relative;

var supportsNullProto = (function () {
  var obj = Object.create(null);
  return !('__proto__' in obj);
}());

function identity (s) {
  return s;
}

/**
 * Because behavior goes wacky when you set `__proto__` on objects, we
 * have to prefix all the strings in our set with an arbitrary character.
 *
 * See https://github.com/mozilla/source-map/pull/31 and
 * https://github.com/mozilla/source-map/issues/30
 *
 * @param String aStr
 */
function toSetString(aStr) {
  if (isProtoString(aStr)) {
    return '$' + aStr;
  }

  return aStr;
}
exports.toSetString = supportsNullProto ? identity : toSetString;

function fromSetString(aStr) {
  if (isProtoString(aStr)) {
    return aStr.slice(1);
  }

  return aStr;
}
exports.fromSetString = supportsNullProto ? identity : fromSetString;

function isProtoString(s) {
  if (!s) {
    return false;
  }

  var length = s.length;

  if (length < 9 /* "__proto__".length */) {
    return false;
  }

  if (s.charCodeAt(length - 1) !== 95  /* '_' */ ||
      s.charCodeAt(length - 2) !== 95  /* '_' */ ||
      s.charCodeAt(length - 3) !== 111 /* 'o' */ ||
      s.charCodeAt(length - 4) !== 116 /* 't' */ ||
      s.charCodeAt(length - 5) !== 111 /* 'o' */ ||
      s.charCodeAt(length - 6) !== 114 /* 'r' */ ||
      s.charCodeAt(length - 7) !== 112 /* 'p' */ ||
      s.charCodeAt(length - 8) !== 95  /* '_' */ ||
      s.charCodeAt(length - 9) !== 95  /* '_' */) {
    return false;
  }

  for (var i = length - 10; i >= 0; i--) {
    if (s.charCodeAt(i) !== 36 /* '$' */) {
      return false;
    }
  }

  return true;
}

/**
 * Comparator between two mappings where the original positions are compared.
 *
 * Optionally pass in `true` as `onlyCompareGenerated` to consider two
 * mappings with the same original source/line/column, but different generated
 * line and column the same. Useful when searching for a mapping with a
 * stubbed out mapping.
 */
function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {
  var cmp = mappingA.source - mappingB.source;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.originalLine - mappingB.originalLine;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.originalColumn - mappingB.originalColumn;
  if (cmp !== 0 || onlyCompareOriginal) {
    return cmp;
  }

  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.generatedLine - mappingB.generatedLine;
  if (cmp !== 0) {
    return cmp;
  }

  return mappingA.name - mappingB.name;
}
exports.compareByOriginalPositions = compareByOriginalPositions;

/**
 * Comparator between two mappings with deflated source and name indices where
 * the generated positions are compared.
 *
 * Optionally pass in `true` as `onlyCompareGenerated` to consider two
 * mappings with the same generated line and column, but different
 * source/name/original line and column the same. Useful when searching for a
 * mapping with a stubbed out mapping.
 */
function compareByGeneratedPositionsDeflated(mappingA, mappingB, onlyCompareGenerated) {
  var cmp = mappingA.generatedLine - mappingB.generatedLine;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
  if (cmp !== 0 || onlyCompareGenerated) {
    return cmp;
  }

  cmp = mappingA.source - mappingB.source;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.originalLine - mappingB.originalLine;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.originalColumn - mappingB.originalColumn;
  if (cmp !== 0) {
    return cmp;
  }

  return mappingA.name - mappingB.name;
}
exports.compareByGeneratedPositionsDeflated = compareByGeneratedPositionsDeflated;

function strcmp(aStr1, aStr2) {
  if (aStr1 === aStr2) {
    return 0;
  }

  if (aStr1 > aStr2) {
    return 1;
  }

  return -1;
}

/**
 * Comparator between two mappings with inflated source and name strings where
 * the generated positions are compared.
 */
function compareByGeneratedPositionsInflated(mappingA, mappingB) {
  var cmp = mappingA.generatedLine - mappingB.generatedLine;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = strcmp(mappingA.source, mappingB.source);
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.originalLine - mappingB.originalLine;
  if (cmp !== 0) {
    return cmp;
  }

  cmp = mappingA.originalColumn - mappingB.originalColumn;
  if (cmp !== 0) {
    return cmp;
  }

  return strcmp(mappingA.name, mappingB.name);
}
exports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated;


/***/ }),
/* 10 */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {const path = __webpack_require__(3)

const compilerName = 'miniprogram-compiler' // 为了在 webpack 构建打包时不被分析出此依赖
let env = 'nodejs'
let fs = null
let compiler = null
let runJs = null // 执行 js

/**
 * 获取当前环境
 */
function getEnv() {
    return env
}

/**
 * 设置 nodejs 环境
 */
function setNodeJsEnv() {
    env = 'nodejs'
    fs = __webpack_require__(71)
    // eslint-disable-next-line import/no-dynamic-require
    compiler = __webpack_require__(14)(compilerName)
    runJs = filePath => {
        // eslint-disable-next-line import/no-dynamic-require
        __webpack_require__(14)(filePath)
        delete __webpack_require__.c[/*require.resolve*/(__webpack_require__(14).resolve(filePath))]
    }
}

/**
 * 设置浏览器环境
 */
function setBrowserEnv() {
    env = 'browser'
    fs = {
        readFileSync(filePath) {
            const fileMap = window.__FILE_MAP__ || {}
            if (fileMap[filePath]) {
                return fileMap[filePath]
            } else if (filePath[0] === '/') {
                // path.resolve 可能会加上 /，在 windows 下会有问题
                return fileMap[filePath.substr(1)] || null
            }

            return null
        }
    }
    window.require = runJs = filePath => {
        const content = fs.readFileSync(filePath + '.js')
        if (content) {
            // eslint-disable-next-line no-new-func
            const func = new Function('require', 'module', content)
            const mod = {exports: {}} // modules

            func.call(null, relativePath => {
                const realPath = path.join(path.dirname(filePath), relativePath)
                return window.require(realPath)
            }, mod)

            return mod.exports
        }

        return null
    }
}

try {
    if (typeof global === 'object' && typeof process === 'object') {
        // nodejs
        setNodeJsEnv()
    } else {
        // 浏览器
        setBrowserEnv()
    }
} catch (err) {
    // 浏览器
    setBrowserEnv()
}

/**
 * 读取文件
 */
function readFile(filePath) {
    try {
        return fs.readFileSync(filePath, 'utf8')
    } catch (err) {
        return null
    }
}

/**
 * 读取 json
 */
function readJson(filePath) {
    try {
        const content = readFile(filePath)
        return JSON.parse(content)
    } catch (err) {
        return null
    }
}

/**
 * 转换 rpx 单位为 px 单位
 */
function transformRpx(style) {
    return style.replace(/(\d+)rpx/ig, '$1px')
}

/**
 * 获取 wxml、wxss 编译器
 */
function getCompiler() {
    return compiler
}

/**
 * 获取随机 id
 */
let seed = +new Date()
const charString = 'abcdefghij'
function getId() {
    const id = ++seed
    return id.toString().split('').map(item => charString[+item]).join('')
}

/**
 * 判断是否是绝对路径
 */
function isAbsolute(input) {
    if (typeof input !== 'string') return false
    if (!input.length) return false

    return /^(\/|\\|([a-zA-Z]:[/\\]))/.test(input)
}

module.exports = {
    getEnv,
    setNodeJsEnv,
    setBrowserEnv,
    runJs,
    readFile,
    readJson,
    transformRpx,
    getCompiler,
    getId,
    isAbsolute,
}

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(2)))

/***/ }),
/* 11 */
/***/ (function(module, exports) {

var OMIT_PLUSSIGN = /^(?:\+|(-))?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/;
var KEEP_PLUSSIGN = /^([\+\-])?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/;
var unsafeToRemovePlusSignAfter = {
    Dimension: true,
    HexColor: true,
    Identifier: true,
    Number: true,
    Raw: true,
    UnicodeRange: true
};

function packNumber(value, item) {
    // omit plus sign only if no prev or prev is safe type
    var regexp = item && item.prev !== null && unsafeToRemovePlusSignAfter.hasOwnProperty(item.prev.data.type)
        ? KEEP_PLUSSIGN
        : OMIT_PLUSSIGN;

    // 100 -> '100'
    // 00100 -> '100'
    // +100 -> '100' (only when safe, e.g. omitting plus sign for 1px+1px leads to single dimension instead of two)
    // -100 -> '-100'
    // 0.123 -> '.123'
    // 0.12300 -> '.123'
    // 0.0 -> ''
    // 0 -> ''
    // -0 -> '-'
    value = String(value).replace(regexp, '$1$2$3');

    if (value === '' || value === '-') {
        value = '0';
    }

    return value;
}

module.exports = function(node, item) {
    node.value = packNumber(node.value, item);
};
module.exports.pack = packNumber;


/***/ }),
/* 12 */
/***/ (function(module, exports) {

/**
 * 异步方法通用部分
 */
function runInAsync(options, res) {
    setTimeout(() => {
        if (res.errMsg.indexOf(':ok') >= 0 && typeof options.success === 'function') options.success(res)
        if (res.errMsg.indexOf(':fail') >= 0 && typeof options.fail === 'function') options.fail(res)
        if (typeof options.complete === 'function') options.complete(res)
    }, 0)
}

/**
 * 计算字符串字节数
 */
function getSize(string) {
    let total = 0
    for (let i = 0, len = string.length; i < len; i++) {
        const charCode = string.charCodeAt(i)
        if (charCode <= 0x007f) {
            total += 1
        } else if (charCode <= 0x07ff) {
            total += 2
        } else if (charCode <= 0xffff) {
            total += 3
        } else {
            total += 4
        }
    }

    return total
}

/**
 * 快速模拟同步接口
 */
function mockSync(ret) {
    return () => ret
}

/**
 * 快速模拟异步接口
 */
function mockAsync(name) {
    return (options = {}) => {
        const res = {
            errMsg: `${name}:ok`,
        }
        runInAsync(options, res)
    }
}

module.exports = {
    runInAsync,
    getSize,
    mockSync,
    mockAsync,
}


/***/ }),
/* 13 */
/***/ (function(module, exports, __webpack_require__) {

const exparser = __webpack_require__(4)
const CONSTANT = __webpack_require__(6)
const _ = __webpack_require__(5)

const transitionKeys = ['transition', 'transitionProperty', 'transform', 'transformOrigin', 'webkitTransition', 'webkitTransitionProperty', 'webkitTransform', 'webkitTransformOrigin']

/**
 * 更新 exparser 节点的属性
 */
function updateAttrs(exparserNode, attrs) {
  const isComponentNode = exparserNode instanceof exparser.Component
  const dataProxy = exparser.Component.getDataProxy(exparserNode)
  let needDoUpdate = false

  exparserNode.dataset = exparserNode.dataset || {}

  for (const {name, value} of attrs) {
    if (name === 'id' || name === 'slot' || (isComponentNode && name === 'class')) {
      // 普通属性
      exparserNode[name] = value || ''
    } else if (isComponentNode && name === 'style' && exparserNode.$$) {
      // style
      let animationStyle = exparserNode.__animationStyle || {}

      animationStyle = transitionKeys.map(key => {
        const styleValue = animationStyle[key.replace('webkitT', 't')]

        return styleValue !== undefined ? `${_.camelToDashCase(key)}:${styleValue}` : ''
      }).filter(item => !!item.trim()).join(';')

      exparserNode.setNodeStyle(_.transformRpx(value || '', true) + animationStyle)
    } else if (isComponentNode && exparser.Component.hasPublicProperty(exparserNode, _.dashToCamelCase(name))) {
      // public 属性，延迟处理
      dataProxy.scheduleReplace([_.dashToCamelCase(name)], value)
      needDoUpdate = true
    } else if (/^data-/.test(name)) {
      // dataset
      exparserNode.dataset[_.dashToCamelCase(name.slice(5).toLowerCase())] = value
      exparserNode.setAttribute(name, value)
    } else if (isComponentNode && name === 'animation') {
      // 动画
      if (exparserNode.$$ && value && value.actions && value.actions.length > 0) {
        let index = 0
        const actions = value.actions
        const length = actions.length
        const step = function () {
          if (index < length) {
            const styleObject = _.animationToStyle(actions[index])
            const extraStyle = styleObject.style

            transitionKeys.forEach(key => {
              exparserNode.$$.style[key] = styleObject[key.replace('webkitT', 't')]
            })

            Object.keys(extraStyle).forEach(key => {
              exparserNode.$$.style[key] = _.transformRpx(extraStyle[key])
            })

            exparserNode.__animationStyle = styleObject
          }
        }

        exparserNode.addListener('transitionend', () => {
          index += 1
          step()
        })
        step()
      }
    } else if (isComponentNode && exparserNode.hasExternalClass(_.camelToDashCase(name))) {
      // 外部样式类
      exparserNode.setExternalClass(_.camelToDashCase(name), value)
    }
  }

  if (needDoUpdate) dataProxy.doUpdates(true)
}

/**
 * 更新 exparser 节点的事件监听
 */
function updateEvent(exparserNode, event) {
  const convertEventTarget = (target, currentTarget) => {
    if (currentTarget && (target instanceof exparser.VirtualNode) && !target.id && !Object.keys(target.dataset).length) {
      // 如果 target 是 slot 且 slot 未设置 id 和 dataset，则兼容以前的逻辑：target === currentTarget
      target = currentTarget
    }

    return {
      id: target.id,
      offsetLeft: target.$$ && target.$$.offsetLeft || 0,
      offsetTop: target.$$ && target.$$.offsetTop || 0,
      dataset: target.dataset,
    }
  }

  Object.keys(event).forEach(key => {
    const {
      name, isCapture, isMutated, isCatch, handler
    } = event[key]

    if (!handler) return

    event[key].id = exparser.addListenerToElement(exparserNode, name, function (evt) {
      const shadowRoot = exparserNode.ownerShadowRoot

      const mutatedMarked = evt.mutatedMarked()
      if (isMutated && evt.mutatedMarked()) return // 已经被标记为互斥的事件，不再触发 mut- 绑定的事件回调
      if (isMutated) evt.markMutated()

      if (shadowRoot) {
        const host = shadowRoot.getHostNode()
        const writeOnly = exparser.Component.getComponentOptions(host).writeOnly

        if (!writeOnly) {
          const caller = exparser.Element.getMethodCaller(host)

          if (typeof caller[handler] === 'function') {
            caller[handler]({
              type: evt.type,
              timeStamp: evt.timeStamp,
              target: convertEventTarget(evt.target, this),
              currentTarget: convertEventTarget(this, null),
              detail: evt.detail,
              touches: evt.touches,
              changedTouches: evt.changedTouches,
              mut: mutatedMarked,
            })
          }
        }
      }

      if (isCatch) return false
    }, {capture: isCapture})
  })
}

/**
 * 渲染成 exparser 节点
 */
function renderExparserNode(options, shadowRootHost, shadowRoot) {
  const type = options.type
  const tagName = options.tagName
  const componentId = options.componentId
  let exparserNode

  if (type === CONSTANT.TYPE_TEXT) {
    exparserNode = shadowRoot.createTextNode(options.content) // save exparser node
  } else {
    if (type === CONSTANT.TYPE_ROOT) {
      shadowRoot = exparser.ShadowRoot.create(shadowRootHost)
      exparserNode = shadowRoot
    } else if (type === CONSTANT.TYPE_SLOT) {
      exparserNode = shadowRoot.createVirtualNode(tagName)
      exparser.Element.setSlotName(exparserNode, options.slotName)
    } else if (type === CONSTANT.TYPE_TEMPLATE || type === CONSTANT.TYPE_IF || type === CONSTANT.TYPE_FOR || type === CONSTANT.TYPE_FORITEM) {
      exparserNode = shadowRoot.createVirtualNode(tagName)
      exparser.Element.setInheritSlots(exparserNode)
    } else {
      const componentTagName = _.getTagName(componentId || tagName) || tagName
      const componentName = componentId || tagName
      exparserNode = shadowRoot.createComponent(componentTagName, componentName, options.generics)
    }

    updateAttrs(exparserNode, options.attrs)
    updateEvent(exparserNode, options.event)

    // children
    options.children.forEach(vt => {
      const childExparserNode = renderExparserNode(vt, null, shadowRoot)
      exparserNode.appendChild(childExparserNode)
    })
  }

  options.exparserNode = exparserNode // 保存 exparser node
  exparserNode._vt = options

  return exparserNode
}

module.exports = {
  updateAttrs,
  updateEvent,
  renderExparserNode,
}


/***/ }),
/* 14 */
/***/ (function(module, exports) {

function webpackEmptyContext(req) {
	var e = new Error("Cannot find module '" + req + "'");
	e.code = 'MODULE_NOT_FOUND';
	throw e;
}
webpackEmptyContext.keys = function() { return []; };
webpackEmptyContext.resolve = webpackEmptyContext;
module.exports = webpackEmptyContext;
webpackEmptyContext.id = 14;

/***/ }),
/* 15 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _node = _interopRequireDefault(__webpack_require__(16));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }

/**
 * Represents a CSS declaration.
 *
 * @extends Node
 *
 * @example
 * const root = postcss.parse('a { color: black }')
 * const decl = root.first.first
 * decl.type       //=> 'decl'
 * decl.toString() //=> ' color: black'
 */
var Declaration = /*#__PURE__*/function (_Node) {
  _inheritsLoose(Declaration, _Node);

  function Declaration(defaults) {
    var _this;

    _this = _Node.call(this, defaults) || this;
    _this.type = 'decl';
    return _this;
  }
  /**
   * @memberof Declaration#
   * @member {string} prop The declaration’s property name.
   *
   * @example
   * const root = postcss.parse('a { color: black }')
   * const decl = root.first.first
   * decl.prop //=> 'color'
   */

  /**
   * @memberof Declaration#
   * @member {string} value The declaration’s value.
   *
   * @example
   * const root = postcss.parse('a { color: black }')
   * const decl = root.first.first
   * decl.value //=> 'black'
   */

  /**
   * @memberof Declaration#
   * @member {boolean} important `true` if the declaration
   *                             has an !important annotation.
   *
   * @example
   * const root = postcss.parse('a { color: black !important; color: red }')
   * root.first.first.important //=> true
   * root.first.last.important  //=> undefined
   */

  /**
   * @memberof Declaration#
   * @member {object} raws Information to generate byte-to-byte equal
   *                       node string as it was in the origin input.
   *
   * Every parser saves its own properties,
   * but the default CSS parser uses:
   *
   * * `before`: the space symbols before the node. It also stores `*`
   *   and `_` symbols before the declaration (IE hack).
   * * `between`: the symbols between the property and value
   *   for declarations.
   * * `important`: the content of the important statement,
   *   if it is not just `!important`.
   *
   * PostCSS cleans declaration from comments and extra spaces,
   * but it stores origin content in raws properties.
   * As such, if you don’t change a declaration’s value,
   * PostCSS will use the raw value with comments.
   *
   * @example
   * const root = postcss.parse('a {\n  color:black\n}')
   * root.first.first.raws //=> { before: '\n  ', between: ':' }
   */


  return Declaration;
}(_node.default);

var _default = Declaration;
exports.default = _default;
module.exports = exports.default;
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/***/ }),
/* 16 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _cssSyntaxError = _interopRequireDefault(__webpack_require__(34));

var _stringifier = _interopRequireDefault(__webpack_require__(35));

var _stringify = _interopRequireDefault(__webpack_require__(17));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function cloneNode(obj, parent) {
  var cloned = new obj.constructor();

  for (var i in obj) {
    if (!obj.hasOwnProperty(i)) continue;
    var value = obj[i];
    var type = typeof value;

    if (i === 'parent' && type === 'object') {
      if (parent) cloned[i] = parent;
    } else if (i === 'source') {
      cloned[i] = value;
    } else if (value instanceof Array) {
      cloned[i] = value.map(function (j) {
        return cloneNode(j, cloned);
      });
    } else {
      if (type === 'object' && value !== null) value = cloneNode(value);
      cloned[i] = value;
    }
  }

  return cloned;
}
/**
 * All node classes inherit the following common methods.
 *
 * @abstract
 */


var Node = /*#__PURE__*/function () {
  /**
   * @param {object} [defaults] Value for node properties.
   */
  function Node(defaults) {
    if (defaults === void 0) {
      defaults = {};
    }

    this.raws = {};

    if (false) {}

    for (var name in defaults) {
      this[name] = defaults[name];
    }
  }
  /**
   * Returns a `CssSyntaxError` instance containing the original position
   * of the node in the source, showing line and column numbers and also
   * a small excerpt to facilitate debugging.
   *
   * If present, an input source map will be used to get the original position
   * of the source, even from a previous compilation step
   * (e.g., from Sass compilation).
   *
   * This method produces very useful error messages.
   *
   * @param {string} message     Error description.
   * @param {object} [opts]      Options.
   * @param {string} opts.plugin Plugin name that created this error.
   *                             PostCSS will set it automatically.
   * @param {string} opts.word   A word inside a node’s string that should
   *                             be highlighted as the source of the error.
   * @param {number} opts.index  An index inside a node’s string that should
   *                             be highlighted as the source of the error.
   *
   * @return {CssSyntaxError} Error object to throw it.
   *
   * @example
   * if (!variables[name]) {
   *   throw decl.error('Unknown variable ' + name, { word: name })
   *   // CssSyntaxError: postcss-vars:a.sass:4:3: Unknown variable $black
   *   //   color: $black
   *   // a
   *   //          ^
   *   //   background: white
   * }
   */


  var _proto = Node.prototype;

  _proto.error = function error(message, opts) {
    if (opts === void 0) {
      opts = {};
    }

    if (this.source) {
      var pos = this.positionBy(opts);
      return this.source.input.error(message, pos.line, pos.column, opts);
    }

    return new _cssSyntaxError.default(message);
  }
  /**
   * This method is provided as a convenience wrapper for {@link Result#warn}.
   *
   * @param {Result} result      The {@link Result} instance
   *                             that will receive the warning.
   * @param {string} text        Warning message.
   * @param {object} [opts]      Options
   * @param {string} opts.plugin Plugin name that created this warning.
   *                             PostCSS will set it automatically.
   * @param {string} opts.word   A word inside a node’s string that should
   *                             be highlighted as the source of the warning.
   * @param {number} opts.index  An index inside a node’s string that should
   *                             be highlighted as the source of the warning.
   *
   * @return {Warning} Created warning object.
   *
   * @example
   * const plugin = postcss.plugin('postcss-deprecated', () => {
   *   return (root, result) => {
   *     root.walkDecls('bad', decl => {
   *       decl.warn(result, 'Deprecated property bad')
   *     })
   *   }
   * })
   */
  ;

  _proto.warn = function warn(result, text, opts) {
    var data = {
      node: this
    };

    for (var i in opts) {
      data[i] = opts[i];
    }

    return result.warn(text, data);
  }
  /**
   * Removes the node from its parent and cleans the parent properties
   * from the node and its children.
   *
   * @example
   * if (decl.prop.match(/^-webkit-/)) {
   *   decl.remove()
   * }
   *
   * @return {Node} Node to make calls chain.
   */
  ;

  _proto.remove = function remove() {
    if (this.parent) {
      this.parent.removeChild(this);
    }

    this.parent = undefined;
    return this;
  }
  /**
   * Returns a CSS string representing the node.
   *
   * @param {stringifier|syntax} [stringifier] A syntax to use
   *                                           in string generation.
   *
   * @return {string} CSS string of this node.
   *
   * @example
   * postcss.rule({ selector: 'a' }).toString() //=> "a {}"
   */
  ;

  _proto.toString = function toString(stringifier) {
    if (stringifier === void 0) {
      stringifier = _stringify.default;
    }

    if (stringifier.stringify) stringifier = stringifier.stringify;
    var result = '';
    stringifier(this, function (i) {
      result += i;
    });
    return result;
  }
  /**
   * Returns an exact clone of the node.
   *
   * The resulting cloned node and its (cloned) children will retain
   * code style properties.
   *
   * @param {object} [overrides] New properties to override in the clone.
   *
   * @example
   * decl.raws.before    //=> "\n  "
   * const cloned = decl.clone({ prop: '-moz-' + decl.prop })
   * cloned.raws.before  //=> "\n  "
   * cloned.toString()   //=> -moz-transform: scale(0)
   *
   * @return {Node} Clone of the node.
   */
  ;

  _proto.clone = function clone(overrides) {
    if (overrides === void 0) {
      overrides = {};
    }

    var cloned = cloneNode(this);

    for (var name in overrides) {
      cloned[name] = overrides[name];
    }

    return cloned;
  }
  /**
   * Shortcut to clone the node and insert the resulting cloned node
   * before the current node.
   *
   * @param {object} [overrides] Mew properties to override in the clone.
   *
   * @example
   * decl.cloneBefore({ prop: '-moz-' + decl.prop })
   *
   * @return {Node} New node
   */
  ;

  _proto.cloneBefore = function cloneBefore(overrides) {
    if (overrides === void 0) {
      overrides = {};
    }

    var cloned = this.clone(overrides);
    this.parent.insertBefore(this, cloned);
    return cloned;
  }
  /**
   * Shortcut to clone the node and insert the resulting cloned node
   * after the current node.
   *
   * @param {object} [overrides] New properties to override in the clone.
   *
   * @return {Node} New node.
   */
  ;

  _proto.cloneAfter = function cloneAfter(overrides) {
    if (overrides === void 0) {
      overrides = {};
    }

    var cloned = this.clone(overrides);
    this.parent.insertAfter(this, cloned);
    return cloned;
  }
  /**
   * Inserts node(s) before the current node and removes the current node.
   *
   * @param {...Node} nodes Mode(s) to replace current one.
   *
   * @example
   * if (atrule.name === 'mixin') {
   *   atrule.replaceWith(mixinRules[atrule.params])
   * }
   *
   * @return {Node} Current node to methods chain.
   */
  ;

  _proto.replaceWith = function replaceWith() {
    if (this.parent) {
      for (var _len = arguments.length, nodes = new Array(_len), _key = 0; _key < _len; _key++) {
        nodes[_key] = arguments[_key];
      }

      for (var _i = 0, _nodes = nodes; _i < _nodes.length; _i++) {
        var node = _nodes[_i];
        this.parent.insertBefore(this, node);
      }

      this.remove();
    }

    return this;
  }
  /**
   * Returns the next child of the node’s parent.
   * Returns `undefined` if the current node is the last child.
   *
   * @return {Node|undefined} Next node.
   *
   * @example
   * if (comment.text === 'delete next') {
   *   const next = comment.next()
   *   if (next) {
   *     next.remove()
   *   }
   * }
   */
  ;

  _proto.next = function next() {
    if (!this.parent) return undefined;
    var index = this.parent.index(this);
    return this.parent.nodes[index + 1];
  }
  /**
   * Returns the previous child of the node’s parent.
   * Returns `undefined` if the current node is the first child.
   *
   * @return {Node|undefined} Previous node.
   *
   * @example
   * const annotation = decl.prev()
   * if (annotation.type === 'comment') {
   *   readAnnotation(annotation.text)
   * }
   */
  ;

  _proto.prev = function prev() {
    if (!this.parent) return undefined;
    var index = this.parent.index(this);
    return this.parent.nodes[index - 1];
  }
  /**
   * Insert new node before current node to current node’s parent.
   *
   * Just alias for `node.parent.insertBefore(node, add)`.
   *
   * @param {Node|object|string|Node[]} add New node.
   *
   * @return {Node} This node for methods chain.
   *
   * @example
   * decl.before('content: ""')
   */
  ;

  _proto.before = function before(add) {
    this.parent.insertBefore(this, add);
    return this;
  }
  /**
   * Insert new node after current node to current node’s parent.
   *
   * Just alias for `node.parent.insertAfter(node, add)`.
   *
   * @param {Node|object|string|Node[]} add New node.
   *
   * @return {Node} This node for methods chain.
   *
   * @example
   * decl.after('color: black')
   */
  ;

  _proto.after = function after(add) {
    this.parent.insertAfter(this, add);
    return this;
  };

  _proto.toJSON = function toJSON() {
    var fixed = {};

    for (var name in this) {
      if (!this.hasOwnProperty(name)) continue;
      if (name === 'parent') continue;
      var value = this[name];

      if (value instanceof Array) {
        fixed[name] = value.map(function (i) {
          if (typeof i === 'object' && i.toJSON) {
            return i.toJSON();
          } else {
            return i;
          }
        });
      } else if (typeof value === 'object' && value.toJSON) {
        fixed[name] = value.toJSON();
      } else {
        fixed[name] = value;
      }
    }

    return fixed;
  }
  /**
   * Returns a {@link Node#raws} value. If the node is missing
   * the code style property (because the node was manually built or cloned),
   * PostCSS will try to autodetect the code style property by looking
   * at other nodes in the tree.
   *
   * @param {string} prop          Name of code style property.
   * @param {string} [defaultType] Name of default value, it can be missed
   *                               if the value is the same as prop.
   *
   * @example
   * const root = postcss.parse('a { background: white }')
   * root.nodes[0].append({ prop: 'color', value: 'black' })
   * root.nodes[0].nodes[1].raws.before   //=> undefined
   * root.nodes[0].nodes[1].raw('before') //=> ' '
   *
   * @return {string} Code style value.
   */
  ;

  _proto.raw = function raw(prop, defaultType) {
    var str = new _stringifier.default();
    return str.raw(this, prop, defaultType);
  }
  /**
   * Finds the Root instance of the node’s tree.
   *
   * @example
   * root.nodes[0].nodes[0].root() === root
   *
   * @return {Root} Root parent.
   */
  ;

  _proto.root = function root() {
    var result = this;

    while (result.parent) {
      result = result.parent;
    }

    return result;
  }
  /**
   * Clear the code style properties for the node and its children.
   *
   * @param {boolean} [keepBetween] Keep the raws.between symbols.
   *
   * @return {undefined}
   *
   * @example
   * node.raws.before  //=> ' '
   * node.cleanRaws()
   * node.raws.before  //=> undefined
   */
  ;

  _proto.cleanRaws = function cleanRaws(keepBetween) {
    delete this.raws.before;
    delete this.raws.after;
    if (!keepBetween) delete this.raws.between;
  };

  _proto.positionInside = function positionInside(index) {
    var string = this.toString();
    var column = this.source.start.column;
    var line = this.source.start.line;

    for (var i = 0; i < index; i++) {
      if (string[i] === '\n') {
        column = 1;
        line += 1;
      } else {
        column += 1;
      }
    }

    return {
      line: line,
      column: column
    };
  };

  _proto.positionBy = function positionBy(opts) {
    var pos = this.source.start;

    if (opts.index) {
      pos = this.positionInside(opts.index);
    } else if (opts.word) {
      var index = this.toString().indexOf(opts.word);
      if (index !== -1) pos = this.positionInside(index);
    }

    return pos;
  }
  /**
   * @memberof Node#
   * @member {string} type String representing the node’s type.
   *                       Possible values are `root`, `atrule`, `rule`,
   *                       `decl`, or `comment`.
   *
   * @example
   * postcss.decl({ prop: 'color', value: 'black' }).type //=> 'decl'
   */

  /**
   * @memberof Node#
   * @member {Container} parent The node’s parent node.
   *
   * @example
   * root.nodes[0].parent === root
   */

  /**
   * @memberof Node#
   * @member {source} source The input source of the node.
   *
   * The property is used in source map generation.
   *
   * If you create a node manually (e.g., with `postcss.decl()`),
   * that node will not have a `source` property and will be absent
   * from the source map. For this reason, the plugin developer should
   * consider cloning nodes to create new ones (in which case the new node’s
   * source will reference the original, cloned node) or setting
   * the `source` property manually.
   *
   * ```js
   * // Bad
   * const prefixed = postcss.decl({
   *   prop: '-moz-' + decl.prop,
   *   value: decl.value
   * })
   *
   * // Good
   * const prefixed = decl.clone({ prop: '-moz-' + decl.prop })
   * ```
   *
   * ```js
   * if (atrule.name === 'add-link') {
   *   const rule = postcss.rule({ selector: 'a', source: atrule.source })
   *   atrule.parent.insertBefore(atrule, rule)
   * }
   * ```
   *
   * @example
   * decl.source.input.from //=> '/home/ai/a.sass'
   * decl.source.start      //=> { line: 10, column: 2 }
   * decl.source.end        //=> { line: 10, column: 12 }
   */

  /**
   * @memberof Node#
   * @member {object} raws Information to generate byte-to-byte equal
   *                       node string as it was in the origin input.
   *
   * Every parser saves its own properties,
   * but the default CSS parser uses:
   *
   * * `before`: the space symbols before the node. It also stores `*`
   *   and `_` symbols before the declaration (IE hack).
   * * `after`: the space symbols after the last child of the node
   *   to the end of the node.
   * * `between`: the symbols between the property and value
   *   for declarations, selector and `{` for rules, or last parameter
   *   and `{` for at-rules.
   * * `semicolon`: contains true if the last child has
   *   an (optional) semicolon.
   * * `afterName`: the space between the at-rule name and its parameters.
   * * `left`: the space symbols between `/*` and the comment’s text.
   * * `right`: the space symbols between the comment’s text
   *   and <code>*&#47;</code>.
   * * `important`: the content of the important statement,
   *   if it is not just `!important`.
   *
   * PostCSS cleans selectors, declaration values and at-rule parameters
   * from comments and extra spaces, but it stores origin content in raws
   * properties. As such, if you don’t change a declaration’s value,
   * PostCSS will use the raw value with comments.
   *
   * @example
   * const root = postcss.parse('a {\n  color:black\n}')
   * root.first.first.raws //=> { before: '\n  ', between: ':' }
   */
  ;

  return Node;
}();

var _default = Node;
/**
 * @typedef {object} position
 * @property {number} line   Source line in file.
 * @property {number} column Source column in file.
 */

/**
 * @typedef {object} source
 * @property {Input} input    {@link Input} with input file
 * @property {position} start The starting position of the node’s source.
 * @property {position} end   The ending position of the node’s source.
 */

exports.default = _default;
module.exports = exports.default;
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CssSyntaxError from './css-syntax-error'\nimport Stringifier from './stringifier'\nimport stringify from './stringify'\n\nfunction cloneNode (obj, parent) {\n  let cloned = new obj.constructor()\n\n  for (let i in obj) {\n    if (!obj.hasOwnProperty(i)) continue\n    let value = obj[i]\n    let type = typeof value\n\n    if (i === 'parent' && type === 'object') {\n      if (parent) cloned[i] = parent\n    } else if (i === 'source') {\n      cloned[i] = value\n    } else if (value instanceof Array) {\n      cloned[i] = value.map(j => cloneNode(j, cloned))\n    } else {\n      if (type === 'object' && value !== null) value = cloneNode(value)\n      cloned[i] = value\n    }\n  }\n\n  return cloned\n}\n\n/**\n * All node classes inherit the following common methods.\n *\n * @abstract\n */\nclass Node {\n  /**\n   * @param {object} [defaults] Value for node properties.\n   */\n  constructor (defaults = { }) {\n    this.raws = { }\n    if (process.env.NODE_ENV !== 'production') {\n      if (typeof defaults !== 'object' && typeof defaults !== 'undefined') {\n        throw new Error(\n          'PostCSS nodes constructor accepts object, not ' +\n          JSON.stringify(defaults)\n        )\n      }\n    }\n    for (let name in defaults) {\n      this[name] = defaults[name]\n    }\n  }\n\n  /**\n   * Returns a `CssSyntaxError` instance containing the original position\n   * of the node in the source, showing line and column numbers and also\n   * a small excerpt to facilitate debugging.\n   *\n   * If present, an input source map will be used to get the original position\n   * of the source, even from a previous compilation step\n   * (e.g., from Sass compilation).\n   *\n   * This method produces very useful error messages.\n   *\n   * @param {string} message     Error description.\n   * @param {object} [opts]      Options.\n   * @param {string} opts.plugin Plugin name that created this error.\n   *                             PostCSS will set it automatically.\n   * @param {string} opts.word   A word inside a node’s string that should\n   *                             be highlighted as the source of the error.\n   * @param {number} opts.index  An index inside a node’s string that should\n   *                             be highlighted as the source of the error.\n   *\n   * @return {CssSyntaxError} Error object to throw it.\n   *\n   * @example\n   * if (!variables[name]) {\n   *   throw decl.error('Unknown variable ' + name, { word: name })\n   *   // CssSyntaxError: postcss-vars:a.sass:4:3: Unknown variable $black\n   *   //   color: $black\n   *   // a\n   *   //          ^\n   *   //   background: white\n   * }\n   */\n  error (message, opts = { }) {\n    if (this.source) {\n      let pos = this.positionBy(opts)\n      return this.source.input.error(message, pos.line, pos.column, opts)\n    }\n    return new CssSyntaxError(message)\n  }\n\n  /**\n   * This method is provided as a convenience wrapper for {@link Result#warn}.\n   *\n   * @param {Result} result      The {@link Result} instance\n   *                             that will receive the warning.\n   * @param {string} text        Warning message.\n   * @param {object} [opts]      Options\n   * @param {string} opts.plugin Plugin name that created this warning.\n   *                             PostCSS will set it automatically.\n   * @param {string} opts.word   A word inside a node’s string that should\n   *                             be highlighted as the source of the warning.\n   * @param {number} opts.index  An index inside a node’s string that should\n   *                             be highlighted as the source of the warning.\n   *\n   * @return {Warning} Created warning object.\n   *\n   * @example\n   * const plugin = postcss.plugin('postcss-deprecated', () => {\n   *   return (root, result) => {\n   *     root.walkDecls('bad', decl => {\n   *       decl.warn(result, 'Deprecated property bad')\n   *     })\n   *   }\n   * })\n   */\n  warn (result, text, opts) {\n    let data = { node: this }\n    for (let i in opts) data[i] = opts[i]\n    return result.warn(text, data)\n  }\n\n  /**\n   * Removes the node from its parent and cleans the parent properties\n   * from the node and its children.\n   *\n   * @example\n   * if (decl.prop.match(/^-webkit-/)) {\n   *   decl.remove()\n   * }\n   *\n   * @return {Node} Node to make calls chain.\n   */\n  remove () {\n    if (this.parent) {\n      this.parent.removeChild(this)\n    }\n    this.parent = undefined\n    return this\n  }\n\n  /**\n   * Returns a CSS string representing the node.\n   *\n   * @param {stringifier|syntax} [stringifier] A syntax to use\n   *                                           in string generation.\n   *\n   * @return {string} CSS string of this node.\n   *\n   * @example\n   * postcss.rule({ selector: 'a' }).toString() //=> \"a {}\"\n   */\n  toString (stringifier = stringify) {\n    if (stringifier.stringify) stringifier = stringifier.stringify\n    let result = ''\n    stringifier(this, i => {\n      result += i\n    })\n    return result\n  }\n\n  /**\n   * Returns an exact clone of the node.\n   *\n   * The resulting cloned node and its (cloned) children will retain\n   * code style properties.\n   *\n   * @param {object} [overrides] New properties to override in the clone.\n   *\n   * @example\n   * decl.raws.before    //=> \"\\n  \"\n   * const cloned = decl.clone({ prop: '-moz-' + decl.prop })\n   * cloned.raws.before  //=> \"\\n  \"\n   * cloned.toString()   //=> -moz-transform: scale(0)\n   *\n   * @return {Node} Clone of the node.\n   */\n  clone (overrides = { }) {\n    let cloned = cloneNode(this)\n    for (let name in overrides) {\n      cloned[name] = overrides[name]\n    }\n    return cloned\n  }\n\n  /**\n   * Shortcut to clone the node and insert the resulting cloned node\n   * before the current node.\n   *\n   * @param {object} [overrides] Mew properties to override in the clone.\n   *\n   * @example\n   * decl.cloneBefore({ prop: '-moz-' + decl.prop })\n   *\n   * @return {Node} New node\n   */\n  cloneBefore (overrides = { }) {\n    let cloned = this.clone(overrides)\n    this.parent.insertBefore(this, cloned)\n    return cloned\n  }\n\n  /**\n   * Shortcut to clone the node and insert the resulting cloned node\n   * after the current node.\n   *\n   * @param {object} [overrides] New properties to override in the clone.\n   *\n   * @return {Node} New node.\n   */\n  cloneAfter (overrides = { }) {\n    let cloned = this.clone(overrides)\n    this.parent.insertAfter(this, cloned)\n    return cloned\n  }\n\n  /**\n   * Inserts node(s) before the current node and removes the current node.\n   *\n   * @param {...Node} nodes Mode(s) to replace current one.\n   *\n   * @example\n   * if (atrule.name === 'mixin') {\n   *   atrule.replaceWith(mixinRules[atrule.params])\n   * }\n   *\n   * @return {Node} Current node to methods chain.\n   */\n  replaceWith (...nodes) {\n    if (this.parent) {\n      for (let node of nodes) {\n        this.parent.insertBefore(this, node)\n      }\n\n      this.remove()\n    }\n\n    return this\n  }\n\n  /**\n   * Returns the next child of the node’s parent.\n   * Returns `undefined` if the current node is the last child.\n   *\n   * @return {Node|undefined} Next node.\n   *\n   * @example\n   * if (comment.text === 'delete next') {\n   *   const next = comment.next()\n   *   if (next) {\n   *     next.remove()\n   *   }\n   * }\n   */\n  next () {\n    if (!this.parent) return undefined\n    let index = this.parent.index(this)\n    return this.parent.nodes[index + 1]\n  }\n\n  /**\n   * Returns the previous child of the node’s parent.\n   * Returns `undefined` if the current node is the first child.\n   *\n   * @return {Node|undefined} Previous node.\n   *\n   * @example\n   * const annotation = decl.prev()\n   * if (annotation.type === 'comment') {\n   *   readAnnotation(annotation.text)\n   * }\n   */\n  prev () {\n    if (!this.parent) return undefined\n    let index = this.parent.index(this)\n    return this.parent.nodes[index - 1]\n  }\n\n  /**\n   * Insert new node before current node to current node’s parent.\n   *\n   * Just alias for `node.parent.insertBefore(node, add)`.\n   *\n   * @param {Node|object|string|Node[]} add New node.\n   *\n   * @return {Node} This node for methods chain.\n   *\n   * @example\n   * decl.before('content: \"\"')\n   */\n  before (add) {\n    this.parent.insertBefore(this, add)\n    return this\n  }\n\n  /**\n   * Insert new node after current node to current node’s parent.\n   *\n   * Just alias for `node.parent.insertAfter(node, add)`.\n   *\n   * @param {Node|object|string|Node[]} add New node.\n   *\n   * @return {Node} This node for methods chain.\n   *\n   * @example\n   * decl.after('color: black')\n   */\n  after (add) {\n    this.parent.insertAfter(this, add)\n    return this\n  }\n\n  toJSON () {\n    let fixed = { }\n\n    for (let name in this) {\n      if (!this.hasOwnProperty(name)) continue\n      if (name === 'parent') continue\n      let value = this[name]\n\n      if (value instanceof Array) {\n        fixed[name] = value.map(i => {\n          if (typeof i === 'object' && i.toJSON) {\n            return i.toJSON()\n          } else {\n            return i\n          }\n        })\n      } else if (typeof value === 'object' && value.toJSON) {\n        fixed[name] = value.toJSON()\n      } else {\n        fixed[name] = value\n      }\n    }\n\n    return fixed\n  }\n\n  /**\n   * Returns a {@link Node#raws} value. If the node is missing\n   * the code style property (because the node was manually built or cloned),\n   * PostCSS will try to autodetect the code style property by looking\n   * at other nodes in the tree.\n   *\n   * @param {string} prop          Name of code style property.\n   * @param {string} [defaultType] Name of default value, it can be missed\n   *                               if the value is the same as prop.\n   *\n   * @example\n   * const root = postcss.parse('a { background: white }')\n   * root.nodes[0].append({ prop: 'color', value: 'black' })\n   * root.nodes[0].nodes[1].raws.before   //=> undefined\n   * root.nodes[0].nodes[1].raw('before') //=> ' '\n   *\n   * @return {string} Code style value.\n   */\n  raw (prop, defaultType) {\n    let str = new Stringifier()\n    return str.raw(this, prop, defaultType)\n  }\n\n  /**\n   * Finds the Root instance of the node’s tree.\n   *\n   * @example\n   * root.nodes[0].nodes[0].root() === root\n   *\n   * @return {Root} Root parent.\n   */\n  root () {\n    let result = this\n    while (result.parent) result = result.parent\n    return result\n  }\n\n  /**\n   * Clear the code style properties for the node and its children.\n   *\n   * @param {boolean} [keepBetween] Keep the raws.between symbols.\n   *\n   * @return {undefined}\n   *\n   * @example\n   * node.raws.before  //=> ' '\n   * node.cleanRaws()\n   * node.raws.before  //=> undefined\n   */\n  cleanRaws (keepBetween) {\n    delete this.raws.before\n    delete this.raws.after\n    if (!keepBetween) delete this.raws.between\n  }\n\n  positionInside (index) {\n    let string = this.toString()\n    let column = this.source.start.column\n    let line = this.source.start.line\n\n    for (let i = 0; i < index; i++) {\n      if (string[i] === '\\n') {\n        column = 1\n        line += 1\n      } else {\n        column += 1\n      }\n    }\n\n    return { line, column }\n  }\n\n  positionBy (opts) {\n    let pos = this.source.start\n    if (opts.index) {\n      pos = this.positionInside(opts.index)\n    } else if (opts.word) {\n      let index = this.toString().indexOf(opts.word)\n      if (index !== -1) pos = this.positionInside(index)\n    }\n    return pos\n  }\n\n  /**\n   * @memberof Node#\n   * @member {string} type String representing the node’s type.\n   *                       Possible values are `root`, `atrule`, `rule`,\n   *                       `decl`, or `comment`.\n   *\n   * @example\n   * postcss.decl({ prop: 'color', value: 'black' }).type //=> 'decl'\n   */\n\n  /**\n   * @memberof Node#\n   * @member {Container} parent The node’s parent node.\n   *\n   * @example\n   * root.nodes[0].parent === root\n   */\n\n  /**\n   * @memberof Node#\n   * @member {source} source The input source of the node.\n   *\n   * The property is used in source map generation.\n   *\n   * If you create a node manually (e.g., with `postcss.decl()`),\n   * that node will not have a `source` property and will be absent\n   * from the source map. For this reason, the plugin developer should\n   * consider cloning nodes to create new ones (in which case the new node’s\n   * source will reference the original, cloned node) or setting\n   * the `source` property manually.\n   *\n   * ```js\n   * // Bad\n   * const prefixed = postcss.decl({\n   *   prop: '-moz-' + decl.prop,\n   *   value: decl.value\n   * })\n   *\n   * // Good\n   * const prefixed = decl.clone({ prop: '-moz-' + decl.prop })\n   * ```\n   *\n   * ```js\n   * if (atrule.name === 'add-link') {\n   *   const rule = postcss.rule({ selector: 'a', source: atrule.source })\n   *   atrule.parent.insertBefore(atrule, rule)\n   * }\n   * ```\n   *\n   * @example\n   * decl.source.input.from //=> '/home/ai/a.sass'\n   * decl.source.start      //=> { line: 10, column: 2 }\n   * decl.source.end        //=> { line: 10, column: 12 }\n   */\n\n  /**\n   * @memberof Node#\n   * @member {object} raws Information to generate byte-to-byte equal\n   *                       node string as it was in the origin input.\n   *\n   * Every parser saves its own properties,\n   * but the default CSS parser uses:\n   *\n   * * `before`: the space symbols before the node. It also stores `*`\n   *   and `_` symbols before the declaration (IE hack).\n   * * `after`: the space symbols after the last child of the node\n   *   to the end of the node.\n   * * `between`: the symbols between the property and value\n   *   for declarations, selector and `{` for rules, or last parameter\n   *   and `{` for at-rules.\n   * * `semicolon`: contains true if the last child has\n   *   an (optional) semicolon.\n   * * `afterName`: the space between the at-rule name and its parameters.\n   * * `left`: the space symbols between `/*` and the comment’s text.\n   * * `right`: the space symbols between the comment’s text\n   *   and <code>*&#47;</code>.\n   * * `important`: the content of the important statement,\n   *   if it is not just `!important`.\n   *\n   * PostCSS cleans selectors, declaration values and at-rule parameters\n   * from comments and extra spaces, but it stores origin content in raws\n   * properties. As such, if you don’t change a declaration’s value,\n   * PostCSS will use the raw value with comments.\n   *\n   * @example\n   * const root = postcss.parse('a {\\n  color:black\\n}')\n   * root.first.first.raws //=> { before: '\\n  ', between: ':' }\n   */\n}\n\nexport default Node\n\n/**\n * @typedef {object} position\n * @property {number} line   Source line in file.\n * @property {number} column Source column in file.\n */\n\n/**\n * @typedef {object} source\n * @property {Input} input    {@link Input} with input file\n * @property {position} start The starting position of the node’s source.\n * @property {position} end   The ending position of the node’s source.\n */\n"],"file":"node.js"}


/***/ }),
/* 17 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _stringifier = _interopRequireDefault(__webpack_require__(35));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function stringify(node, builder) {
  var str = new _stringifier.default(builder);
  str.stringify(node);
}

var _default = stringify;
exports.default = _default;
module.exports = exports.default;
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/***/ }),
/* 18 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _parser = _interopRequireDefault(__webpack_require__(89));

var _input = _interopRequireDefault(__webpack_require__(91));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function parse(css, opts) {
  var input = new _input.default(css, opts);
  var parser = new _parser.default(input);

  try {
    parser.parse();
  } catch (e) {
    if (false) {}

    throw e;
  }

  return parser.root;
}

var _default = parse;
exports.default = _default;
module.exports = exports.default;
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/***/ }),
/* 19 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _node = _interopRequireDefault(__webpack_require__(16));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }

/**
 * Represents a comment between declarations or statements (rule and at-rules).
 *
 * Comments inside selectors, at-rule parameters, or declaration values
 * will be stored in the `raws` properties explained above.
 *
 * @extends Node
 */
var Comment = /*#__PURE__*/function (_Node) {
  _inheritsLoose(Comment, _Node);

  function Comment(defaults) {
    var _this;

    _this = _Node.call(this, defaults) || this;
    _this.type = 'comment';
    return _this;
  }
  /**
   * @memberof Comment#
   * @member {string} text The comment’s text.
   */

  /**
   * @memberof Comment#
   * @member {object} raws Information to generate byte-to-byte equal
   *                       node string as it was in the origin input.
   *
   * Every parser saves its own properties,
   * but the default CSS parser uses:
   *
   * * `before`: the space symbols before the node.
   * * `left`: the space symbols between `/*` and the comment’s text.
   * * `right`: the space symbols between the comment’s text.
   */


  return Comment;
}(_node.default);

var _default = Comment;
exports.default = _default;
module.exports = exports.default;
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/***/ }),
/* 20 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _container = _interopRequireDefault(__webpack_require__(21));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }

/**
 * Represents an at-rule.
 *
 * If it’s followed in the CSS by a {} block, this node will have
 * a nodes property representing its children.
 *
 * @extends Container
 *
 * @example
 * const root = postcss.parse('@charset "UTF-8"; @media print {}')
 *
 * const charset = root.first
 * charset.type  //=> 'atrule'
 * charset.nodes //=> undefined
 *
 * const media = root.last
 * media.nodes   //=> []
 */
var AtRule = /*#__PURE__*/function (_Container) {
  _inheritsLoose(AtRule, _Container);

  function AtRule(defaults) {
    var _this;

    _this = _Container.call(this, defaults) || this;
    _this.type = 'atrule';
    return _this;
  }

  var _proto = AtRule.prototype;

  _proto.append = function append() {
    var _Container$prototype$;

    if (!this.nodes) this.nodes = [];

    for (var _len = arguments.length, children = new Array(_len), _key = 0; _key < _len; _key++) {
      children[_key] = arguments[_key];
    }

    return (_Container$prototype$ = _Container.prototype.append).call.apply(_Container$prototype$, [this].concat(children));
  };

  _proto.prepend = function prepend() {
    var _Container$prototype$2;

    if (!this.nodes) this.nodes = [];

    for (var _len2 = arguments.length, children = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
      children[_key2] = arguments[_key2];
    }

    return (_Container$prototype$2 = _Container.prototype.prepend).call.apply(_Container$prototype$2, [this].concat(children));
  }
  /**
   * @memberof AtRule#
   * @member {string} name The at-rule’s name immediately follows the `@`.
   *
   * @example
   * const root  = postcss.parse('@media print {}')
   * media.name //=> 'media'
   * const media = root.first
   */

  /**
   * @memberof AtRule#
   * @member {string} params The at-rule’s parameters, the values
   *                         that follow the at-rule’s name but precede
   *                         any {} block.
   *
   * @example
   * const root  = postcss.parse('@media print, screen {}')
   * const media = root.first
   * media.params //=> 'print, screen'
   */

  /**
   * @memberof AtRule#
   * @member {object} raws Information to generate byte-to-byte equal
   *                        node string as it was in the origin input.
   *
   * Every parser saves its own properties,
   * but the default CSS parser uses:
   *
   * * `before`: the space symbols before the node. It also stores `*`
   *   and `_` symbols before the declaration (IE hack).
   * * `after`: the space symbols after the last child of the node
   *   to the end of the node.
   * * `between`: the symbols between the property and value
   *   for declarations, selector and `{` for rules, or last parameter
   *   and `{` for at-rules.
   * * `semicolon`: contains true if the last child has
   *   an (optional) semicolon.
   * * `afterName`: the space between the at-rule name and its parameters.
   *
   * PostCSS cleans at-rule parameters from comments and extra spaces,
   * but it stores origin content in raws properties.
   * As such, if you don’t change a declaration’s value,
   * PostCSS will use the raw value with comments.
   *
   * @example
   * const root = postcss.parse('  @media\nprint {\n}')
   * root.first.first.raws //=> { before: '  ',
   *                       //     between: ' ',
   *                       //     afterName: '\n',
   *                       //     after: '\n' }
   */
  ;

  return AtRule;
}(_container.default);

var _default = AtRule;
exports.default = _default;
module.exports = exports.default;
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/***/ }),
/* 21 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _declaration = _interopRequireDefault(__webpack_require__(15));

var _comment = _interopRequireDefault(__webpack_require__(19));

var _node = _interopRequireDefault(__webpack_require__(16));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _createForOfIteratorHelperLoose(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; return function () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } it = o[Symbol.iterator](); return it.next.bind(it); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }

function cleanSource(nodes) {
  return nodes.map(function (i) {
    if (i.nodes) i.nodes = cleanSource(i.nodes);
    delete i.source;
    return i;
  });
}
/**
 * The {@link Root}, {@link AtRule}, and {@link Rule} container nodes
 * inherit some common methods to help work with their children.
 *
 * Note that all containers can store any content. If you write a rule inside
 * a rule, PostCSS will parse it.
 *
 * @extends Node
 * @abstract
 */


var Container = /*#__PURE__*/function (_Node) {
  _inheritsLoose(Container, _Node);

  function Container() {
    return _Node.apply(this, arguments) || this;
  }

  var _proto = Container.prototype;

  _proto.push = function push(child) {
    child.parent = this;
    this.nodes.push(child);
    return this;
  }
  /**
   * Iterates through the container’s immediate children,
   * calling `callback` for each child.
   *
   * Returning `false` in the callback will break iteration.
   *
   * This method only iterates through the container’s immediate children.
   * If you need to recursively iterate through all the container’s descendant
   * nodes, use {@link Container#walk}.
   *
   * Unlike the for `{}`-cycle or `Array#forEach` this iterator is safe
   * if you are mutating the array of child nodes during iteration.
   * PostCSS will adjust the current index to match the mutations.
   *
   * @param {childIterator} callback Iterator receives each node and index.
   *
   * @return {false|undefined} Returns `false` if iteration was broke.
   *
   * @example
   * const root = postcss.parse('a { color: black; z-index: 1 }')
   * const rule = root.first
   *
   * for (const decl of rule.nodes) {
   *   decl.cloneBefore({ prop: '-webkit-' + decl.prop })
   *   // Cycle will be infinite, because cloneBefore moves the current node
   *   // to the next index
   * }
   *
   * rule.each(decl => {
   *   decl.cloneBefore({ prop: '-webkit-' + decl.prop })
   *   // Will be executed only for color and z-index
   * })
   */
  ;

  _proto.each = function each(callback) {
    if (!this.lastEach) this.lastEach = 0;
    if (!this.indexes) this.indexes = {};
    this.lastEach += 1;
    var id = this.lastEach;
    this.indexes[id] = 0;
    if (!this.nodes) return undefined;
    var index, result;

    while (this.indexes[id] < this.nodes.length) {
      index = this.indexes[id];
      result = callback(this.nodes[index], index);
      if (result === false) break;
      this.indexes[id] += 1;
    }

    delete this.indexes[id];
    return result;
  }
  /**
   * Traverses the container’s descendant nodes, calling callback
   * for each node.
   *
   * Like container.each(), this method is safe to use
   * if you are mutating arrays during iteration.
   *
   * If you only need to iterate through the container’s immediate children,
   * use {@link Container#each}.
   *
   * @param {childIterator} callback Iterator receives each node and index.
   *
   * @return {false|undefined} Returns `false` if iteration was broke.
   *
   * @example
   * root.walk(node => {
   *   // Traverses all descendant nodes.
   * })
   */
  ;

  _proto.walk = function walk(callback) {
    return this.each(function (child, i) {
      var result;

      try {
        result = callback(child, i);
      } catch (e) {
        e.postcssNode = child;

        if (e.stack && child.source && /\n\s{4}at /.test(e.stack)) {
          var s = child.source;
          e.stack = e.stack.replace(/\n\s{4}at /, "$&" + s.input.from + ":" + s.start.line + ":" + s.start.column + "$&");
        }

        throw e;
      }

      if (result !== false && child.walk) {
        result = child.walk(callback);
      }

      return result;
    });
  }
  /**
   * Traverses the container’s descendant nodes, calling callback
   * for each declaration node.
   *
   * If you pass a filter, iteration will only happen over declarations
   * with matching properties.
   *
   * Like {@link Container#each}, this method is safe
   * to use if you are mutating arrays during iteration.
   *
   * @param {string|RegExp} [prop]   String or regular expression
   *                                 to filter declarations by property name.
   * @param {childIterator} callback Iterator receives each node and index.
   *
   * @return {false|undefined} Returns `false` if iteration was broke.
   *
   * @example
   * root.walkDecls(decl => {
   *   checkPropertySupport(decl.prop)
   * })
   *
   * root.walkDecls('border-radius', decl => {
   *   decl.remove()
   * })
   *
   * root.walkDecls(/^background/, decl => {
   *   decl.value = takeFirstColorFromGradient(decl.value)
   * })
   */
  ;

  _proto.walkDecls = function walkDecls(prop, callback) {
    if (!callback) {
      callback = prop;
      return this.walk(function (child, i) {
        if (child.type === 'decl') {
          return callback(child, i);
        }
      });
    }

    if (prop instanceof RegExp) {
      return this.walk(function (child, i) {
        if (child.type === 'decl' && prop.test(child.prop)) {
          return callback(child, i);
        }
      });
    }

    return this.walk(function (child, i) {
      if (child.type === 'decl' && child.prop === prop) {
        return callback(child, i);
      }
    });
  }
  /**
   * Traverses the container’s descendant nodes, calling callback
   * for each rule node.
   *
   * If you pass a filter, iteration will only happen over rules
   * with matching selectors.
   *
   * Like {@link Container#each}, this method is safe
   * to use if you are mutating arrays during iteration.
   *
   * @param {string|RegExp} [selector] String or regular expression
   *                                   to filter rules by selector.
   * @param {childIterator} callback   Iterator receives each node and index.
   *
   * @return {false|undefined} returns `false` if iteration was broke.
   *
   * @example
   * const selectors = []
   * root.walkRules(rule => {
   *   selectors.push(rule.selector)
   * })
   * console.log(`Your CSS uses ${ selectors.length } selectors`)
   */
  ;

  _proto.walkRules = function walkRules(selector, callback) {
    if (!callback) {
      callback = selector;
      return this.walk(function (child, i) {
        if (child.type === 'rule') {
          return callback(child, i);
        }
      });
    }

    if (selector instanceof RegExp) {
      return this.walk(function (child, i) {
        if (child.type === 'rule' && selector.test(child.selector)) {
          return callback(child, i);
        }
      });
    }

    return this.walk(function (child, i) {
      if (child.type === 'rule' && child.selector === selector) {
        return callback(child, i);
      }
    });
  }
  /**
   * Traverses the container’s descendant nodes, calling callback
   * for each at-rule node.
   *
   * If you pass a filter, iteration will only happen over at-rules
   * that have matching names.
   *
   * Like {@link Container#each}, this method is safe
   * to use if you are mutating arrays during iteration.
   *
   * @param {string|RegExp} [name]   String or regular expression
   *                                 to filter at-rules by name.
   * @param {childIterator} callback Iterator receives each node and index.
   *
   * @return {false|undefined} Returns `false` if iteration was broke.
   *
   * @example
   * root.walkAtRules(rule => {
   *   if (isOld(rule.name)) rule.remove()
   * })
   *
   * let first = false
   * root.walkAtRules('charset', rule => {
   *   if (!first) {
   *     first = true
   *   } else {
   *     rule.remove()
   *   }
   * })
   */
  ;

  _proto.walkAtRules = function walkAtRules(name, callback) {
    if (!callback) {
      callback = name;
      return this.walk(function (child, i) {
        if (child.type === 'atrule') {
          return callback(child, i);
        }
      });
    }

    if (name instanceof RegExp) {
      return this.walk(function (child, i) {
        if (child.type === 'atrule' && name.test(child.name)) {
          return callback(child, i);
        }
      });
    }

    return this.walk(function (child, i) {
      if (child.type === 'atrule' && child.name === name) {
        return callback(child, i);
      }
    });
  }
  /**
   * Traverses the container’s descendant nodes, calling callback
   * for each comment node.
   *
   * Like {@link Container#each}, this method is safe
   * to use if you are mutating arrays during iteration.
   *
   * @param {childIterator} callback Iterator receives each node and index.
   *
   * @return {false|undefined} Returns `false` if iteration was broke.
   *
   * @example
   * root.walkComments(comment => {
   *   comment.remove()
   * })
   */
  ;

  _proto.walkComments = function walkComments(callback) {
    return this.walk(function (child, i) {
      if (child.type === 'comment') {
        return callback(child, i);
      }
    });
  }
  /**
   * Inserts new nodes to the end of the container.
   *
   * @param {...(Node|object|string|Node[])} children New nodes.
   *
   * @return {Node} This node for methods chain.
   *
   * @example
   * const decl1 = postcss.decl({ prop: 'color', value: 'black' })
   * const decl2 = postcss.decl({ prop: 'background-color', value: 'white' })
   * rule.append(decl1, decl2)
   *
   * root.append({ name: 'charset', params: '"UTF-8"' })  // at-rule
   * root.append({ selector: 'a' })                       // rule
   * rule.append({ prop: 'color', value: 'black' })       // declaration
   * rule.append({ text: 'Comment' })                     // comment
   *
   * root.append('a {}')
   * root.first.append('color: black; z-index: 1')
   */
  ;

  _proto.append = function append() {
    for (var _len = arguments.length, children = new Array(_len), _key = 0; _key < _len; _key++) {
      children[_key] = arguments[_key];
    }

    for (var _i = 0, _children = children; _i < _children.length; _i++) {
      var child = _children[_i];
      var nodes = this.normalize(child, this.last);

      for (var _iterator = _createForOfIteratorHelperLoose(nodes), _step; !(_step = _iterator()).done;) {
        var node = _step.value;
        this.nodes.push(node);
      }
    }

    return this;
  }
  /**
   * Inserts new nodes to the start of the container.
   *
   * @param {...(Node|object|string|Node[])} children New nodes.
   *
   * @return {Node} This node for methods chain.
   *
   * @example
   * const decl1 = postcss.decl({ prop: 'color', value: 'black' })
   * const decl2 = postcss.decl({ prop: 'background-color', value: 'white' })
   * rule.prepend(decl1, decl2)
   *
   * root.append({ name: 'charset', params: '"UTF-8"' })  // at-rule
   * root.append({ selector: 'a' })                       // rule
   * rule.append({ prop: 'color', value: 'black' })       // declaration
   * rule.append({ text: 'Comment' })                     // comment
   *
   * root.append('a {}')
   * root.first.append('color: black; z-index: 1')
   */
  ;

  _proto.prepend = function prepend() {
    for (var _len2 = arguments.length, children = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
      children[_key2] = arguments[_key2];
    }

    children = children.reverse();

    for (var _iterator2 = _createForOfIteratorHelperLoose(children), _step2; !(_step2 = _iterator2()).done;) {
      var child = _step2.value;
      var nodes = this.normalize(child, this.first, 'prepend').reverse();

      for (var _iterator3 = _createForOfIteratorHelperLoose(nodes), _step3; !(_step3 = _iterator3()).done;) {
        var node = _step3.value;
        this.nodes.unshift(node);
      }

      for (var id in this.indexes) {
        this.indexes[id] = this.indexes[id] + nodes.length;
      }
    }

    return this;
  };

  _proto.cleanRaws = function cleanRaws(keepBetween) {
    _Node.prototype.cleanRaws.call(this, keepBetween);

    if (this.nodes) {
      for (var _iterator4 = _createForOfIteratorHelperLoose(this.nodes), _step4; !(_step4 = _iterator4()).done;) {
        var node = _step4.value;
        node.cleanRaws(keepBetween);
      }
    }
  }
  /**
   * Insert new node before old node within the container.
   *
   * @param {Node|number} exist             Child or child’s index.
   * @param {Node|object|string|Node[]} add New node.
   *
   * @return {Node} This node for methods chain.
   *
   * @example
   * rule.insertBefore(decl, decl.clone({ prop: '-webkit-' + decl.prop }))
   */
  ;

  _proto.insertBefore = function insertBefore(exist, add) {
    exist = this.index(exist);
    var type = exist === 0 ? 'prepend' : false;
    var nodes = this.normalize(add, this.nodes[exist], type).reverse();

    for (var _iterator5 = _createForOfIteratorHelperLoose(nodes), _step5; !(_step5 = _iterator5()).done;) {
      var node = _step5.value;
      this.nodes.splice(exist, 0, node);
    }

    var index;

    for (var id in this.indexes) {
      index = this.indexes[id];

      if (exist <= index) {
        this.indexes[id] = index + nodes.length;
      }
    }

    return this;
  }
  /**
   * Insert new node after old node within the container.
   *
   * @param {Node|number} exist             Child or child’s index.
   * @param {Node|object|string|Node[]} add New node.
   *
   * @return {Node} This node for methods chain.
   */
  ;

  _proto.insertAfter = function insertAfter(exist, add) {
    exist = this.index(exist);
    var nodes = this.normalize(add, this.nodes[exist]).reverse();

    for (var _iterator6 = _createForOfIteratorHelperLoose(nodes), _step6; !(_step6 = _iterator6()).done;) {
      var node = _step6.value;
      this.nodes.splice(exist + 1, 0, node);
    }

    var index;

    for (var id in this.indexes) {
      index = this.indexes[id];

      if (exist < index) {
        this.indexes[id] = index + nodes.length;
      }
    }

    return this;
  }
  /**
   * Removes node from the container and cleans the parent properties
   * from the node and its children.
   *
   * @param {Node|number} child Child or child’s index.
   *
   * @return {Node} This node for methods chain
   *
   * @example
   * rule.nodes.length  //=> 5
   * rule.removeChild(decl)
   * rule.nodes.length  //=> 4
   * decl.parent        //=> undefined
   */
  ;

  _proto.removeChild = function removeChild(child) {
    child = this.index(child);
    this.nodes[child].parent = undefined;
    this.nodes.splice(child, 1);
    var index;

    for (var id in this.indexes) {
      index = this.indexes[id];

      if (index >= child) {
        this.indexes[id] = index - 1;
      }
    }

    return this;
  }
  /**
   * Removes all children from the container
   * and cleans their parent properties.
   *
   * @return {Node} This node for methods chain.
   *
   * @example
   * rule.removeAll()
   * rule.nodes.length //=> 0
   */
  ;

  _proto.removeAll = function removeAll() {
    for (var _iterator7 = _createForOfIteratorHelperLoose(this.nodes), _step7; !(_step7 = _iterator7()).done;) {
      var node = _step7.value;
      node.parent = undefined;
    }

    this.nodes = [];
    return this;
  }
  /**
   * Passes all declaration values within the container that match pattern
   * through callback, replacing those values with the returned result
   * of callback.
   *
   * This method is useful if you are using a custom unit or function
   * and need to iterate through all values.
   *
   * @param {string|RegExp} pattern      Replace pattern.
   * @param {object} opts                Options to speed up the search.
   * @param {string|string[]} opts.props An array of property names.
   * @param {string} opts.fast           String that’s used to narrow down
   *                                     values and speed up the regexp search.
   * @param {function|string} callback   String to replace pattern or callback
   *                                     that returns a new value. The callback
   *                                     will receive the same arguments
   *                                     as those passed to a function parameter
   *                                     of `String#replace`.
   *
   * @return {Node} This node for methods chain.
   *
   * @example
   * root.replaceValues(/\d+rem/, { fast: 'rem' }, string => {
   *   return 15 * parseInt(string) + 'px'
   * })
   */
  ;

  _proto.replaceValues = function replaceValues(pattern, opts, callback) {
    if (!callback) {
      callback = opts;
      opts = {};
    }

    this.walkDecls(function (decl) {
      if (opts.props && opts.props.indexOf(decl.prop) === -1) return;
      if (opts.fast && decl.value.indexOf(opts.fast) === -1) return;
      decl.value = decl.value.replace(pattern, callback);
    });
    return this;
  }
  /**
   * Returns `true` if callback returns `true`
   * for all of the container’s children.
   *
   * @param {childCondition} condition Iterator returns true or false.
   *
   * @return {boolean} Is every child pass condition.
   *
   * @example
   * const noPrefixes = rule.every(i => i.prop[0] !== '-')
   */
  ;

  _proto.every = function every(condition) {
    return this.nodes.every(condition);
  }
  /**
   * Returns `true` if callback returns `true` for (at least) one
   * of the container’s children.
   *
   * @param {childCondition} condition Iterator returns true or false.
   *
   * @return {boolean} Is some child pass condition.
   *
   * @example
   * const hasPrefix = rule.some(i => i.prop[0] === '-')
   */
  ;

  _proto.some = function some(condition) {
    return this.nodes.some(condition);
  }
  /**
   * Returns a `child`’s index within the {@link Container#nodes} array.
   *
   * @param {Node} child Child of the current container.
   *
   * @return {number} Child index.
   *
   * @example
   * rule.index( rule.nodes[2] ) //=> 2
   */
  ;

  _proto.index = function index(child) {
    if (typeof child === 'number') {
      return child;
    }

    return this.nodes.indexOf(child);
  }
  /**
   * The container’s first child.
   *
   * @type {Node}
   *
   * @example
   * rule.first === rules.nodes[0]
   */
  ;

  _proto.normalize = function normalize(nodes, sample) {
    var _this = this;

    if (typeof nodes === 'string') {
      var parse = __webpack_require__(18);

      nodes = cleanSource(parse(nodes).nodes);
    } else if (Array.isArray(nodes)) {
      nodes = nodes.slice(0);

      for (var _iterator8 = _createForOfIteratorHelperLoose(nodes), _step8; !(_step8 = _iterator8()).done;) {
        var i = _step8.value;
        if (i.parent) i.parent.removeChild(i, 'ignore');
      }
    } else if (nodes.type === 'root') {
      nodes = nodes.nodes.slice(0);

      for (var _iterator9 = _createForOfIteratorHelperLoose(nodes), _step9; !(_step9 = _iterator9()).done;) {
        var _i2 = _step9.value;
        if (_i2.parent) _i2.parent.removeChild(_i2, 'ignore');
      }
    } else if (nodes.type) {
      nodes = [nodes];
    } else if (nodes.prop) {
      if (typeof nodes.value === 'undefined') {
        throw new Error('Value field is missed in node creation');
      } else if (typeof nodes.value !== 'string') {
        nodes.value = String(nodes.value);
      }

      nodes = [new _declaration.default(nodes)];
    } else if (nodes.selector) {
      var Rule = __webpack_require__(22);

      nodes = [new Rule(nodes)];
    } else if (nodes.name) {
      var AtRule = __webpack_require__(20);

      nodes = [new AtRule(nodes)];
    } else if (nodes.text) {
      nodes = [new _comment.default(nodes)];
    } else {
      throw new Error('Unknown node type in node creation');
    }

    var processed = nodes.map(function (i) {
      if (i.parent) i.parent.removeChild(i);

      if (typeof i.raws.before === 'undefined') {
        if (sample && typeof sample.raws.before !== 'undefined') {
          i.raws.before = sample.raws.before.replace(/[^\s]/g, '');
        }
      }

      i.parent = _this;
      return i;
    });
    return processed;
  }
  /**
   * @memberof Container#
   * @member {Node[]} nodes An array containing the container’s children.
   *
   * @example
   * const root = postcss.parse('a { color: black }')
   * root.nodes.length           //=> 1
   * root.nodes[0].selector      //=> 'a'
   * root.nodes[0].nodes[0].prop //=> 'color'
   */
  ;

  _createClass(Container, [{
    key: "first",
    get: function get() {
      if (!this.nodes) return undefined;
      return this.nodes[0];
    }
    /**
     * The container’s last child.
     *
     * @type {Node}
     *
     * @example
     * rule.last === rule.nodes[rule.nodes.length - 1]
     */

  }, {
    key: "last",
    get: function get() {
      if (!this.nodes) return undefined;
      return this.nodes[this.nodes.length - 1];
    }
  }]);

  return Container;
}(_node.default);

var _default = Container;
/**
 * @callback childCondition
 * @param {Node} node    Container child.
 * @param {number} index Child index.
 * @param {Node[]} nodes All container children.
 * @return {boolean}
 */

/**
 * @callback childIterator
 * @param {Node} node    Container child.
 * @param {number} index Child index.
 * @return {false|undefined} Returning `false` will break iteration.
 */

exports.default = _default;
module.exports = exports.default;
//# 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Declaration from './declaration'\nimport Comment from './comment'\nimport Node from './node'\n\nfunction cleanSource (nodes) {\n  return nodes.map(i => {\n    if (i.nodes) i.nodes = cleanSource(i.nodes)\n    delete i.source\n    return i\n  })\n}\n\n/**\n * The {@link Root}, {@link AtRule}, and {@link Rule} container nodes\n * inherit some common methods to help work with their children.\n *\n * Note that all containers can store any content. If you write a rule inside\n * a rule, PostCSS will parse it.\n *\n * @extends Node\n * @abstract\n */\nclass Container extends Node {\n  push (child) {\n    child.parent = this\n    this.nodes.push(child)\n    return this\n  }\n\n  /**\n   * Iterates through the container’s immediate children,\n   * calling `callback` for each child.\n   *\n   * Returning `false` in the callback will break iteration.\n   *\n   * This method only iterates through the container’s immediate children.\n   * If you need to recursively iterate through all the container’s descendant\n   * nodes, use {@link Container#walk}.\n   *\n   * Unlike the for `{}`-cycle or `Array#forEach` this iterator is safe\n   * if you are mutating the array of child nodes during iteration.\n   * PostCSS will adjust the current index to match the mutations.\n   *\n   * @param {childIterator} callback Iterator receives each node and index.\n   *\n   * @return {false|undefined} Returns `false` if iteration was broke.\n   *\n   * @example\n   * const root = postcss.parse('a { color: black; z-index: 1 }')\n   * const rule = root.first\n   *\n   * for (const decl of rule.nodes) {\n   *   decl.cloneBefore({ prop: '-webkit-' + decl.prop })\n   *   // Cycle will be infinite, because cloneBefore moves the current node\n   *   // to the next index\n   * }\n   *\n   * rule.each(decl => {\n   *   decl.cloneBefore({ prop: '-webkit-' + decl.prop })\n   *   // Will be executed only for color and z-index\n   * })\n   */\n  each (callback) {\n    if (!this.lastEach) this.lastEach = 0\n    if (!this.indexes) this.indexes = { }\n\n    this.lastEach += 1\n    let id = this.lastEach\n    this.indexes[id] = 0\n\n    if (!this.nodes) return undefined\n\n    let index, result\n    while (this.indexes[id] < this.nodes.length) {\n      index = this.indexes[id]\n      result = callback(this.nodes[index], index)\n      if (result === false) break\n\n      this.indexes[id] += 1\n    }\n\n    delete this.indexes[id]\n\n    return result\n  }\n\n  /**\n   * Traverses the container’s descendant nodes, calling callback\n   * for each node.\n   *\n   * Like container.each(), this method is safe to use\n   * if you are mutating arrays during iteration.\n   *\n   * If you only need to iterate through the container’s immediate children,\n   * use {@link Container#each}.\n   *\n   * @param {childIterator} callback Iterator receives each node and index.\n   *\n   * @return {false|undefined} Returns `false` if iteration was broke.\n   *\n   * @example\n   * root.walk(node => {\n   *   // Traverses all descendant nodes.\n   * })\n   */\n  walk (callback) {\n    return this.each((child, i) => {\n      let result\n      try {\n        result = callback(child, i)\n      } catch (e) {\n        e.postcssNode = child\n        if (e.stack && child.source && /\\n\\s{4}at /.test(e.stack)) {\n          let s = child.source\n          e.stack = e.stack.replace(/\\n\\s{4}at /,\n            `$&${ s.input.from }:${ s.start.line }:${ s.start.column }$&`)\n        }\n        throw e\n      }\n      if (result !== false && child.walk) {\n        result = child.walk(callback)\n      }\n      return result\n    })\n  }\n\n  /**\n   * Traverses the container’s descendant nodes, calling callback\n   * for each declaration node.\n   *\n   * If you pass a filter, iteration will only happen over declarations\n   * with matching properties.\n   *\n   * Like {@link Container#each}, this method is safe\n   * to use if you are mutating arrays during iteration.\n   *\n   * @param {string|RegExp} [prop]   String or regular expression\n   *                                 to filter declarations by property name.\n   * @param {childIterator} callback Iterator receives each node and index.\n   *\n   * @return {false|undefined} Returns `false` if iteration was broke.\n   *\n   * @example\n   * root.walkDecls(decl => {\n   *   checkPropertySupport(decl.prop)\n   * })\n   *\n   * root.walkDecls('border-radius', decl => {\n   *   decl.remove()\n   * })\n   *\n   * root.walkDecls(/^background/, decl => {\n   *   decl.value = takeFirstColorFromGradient(decl.value)\n   * })\n   */\n  walkDecls (prop, callback) {\n    if (!callback) {\n      callback = prop\n      return this.walk((child, i) => {\n        if (child.type === 'decl') {\n          return callback(child, i)\n        }\n      })\n    }\n    if (prop instanceof RegExp) {\n      return this.walk((child, i) => {\n        if (child.type === 'decl' && prop.test(child.prop)) {\n          return callback(child, i)\n        }\n      })\n    }\n    return this.walk((child, i) => {\n      if (child.type === 'decl' && child.prop === prop) {\n        return callback(child, i)\n      }\n    })\n  }\n\n  /**\n   * Traverses the container’s descendant nodes, calling callback\n   * for each rule node.\n   *\n   * If you pass a filter, iteration will only happen over rules\n   * with matching selectors.\n   *\n   * Like {@link Container#each}, this method is safe\n   * to use if you are mutating arrays during iteration.\n   *\n   * @param {string|RegExp} [selector] String or regular expression\n   *                                   to filter rules by selector.\n   * @param {childIterator} callback   Iterator receives each node and index.\n   *\n   * @return {false|undefined} returns `false` if iteration was broke.\n   *\n   * @example\n   * const selectors = []\n   * root.walkRules(rule => {\n   *   selectors.push(rule.selector)\n   * })\n   * console.log(`Your CSS uses ${ selectors.length } selectors`)\n   */\n  walkRules (selector, callback) {\n    if (!callback) {\n      callback = selector\n\n      return this.walk((child, i) => {\n        if (child.type === 'rule') {\n          return callback(child, i)\n        }\n      })\n    }\n    if (selector instanceof RegExp) {\n      return this.walk((child, i) => {\n        if (child.type === 'rule' && selector.test(child.selector)) {\n          return callback(child, i)\n        }\n      })\n    }\n    return this.walk((child, i) => {\n      if (child.type === 'rule' && child.selector === selector) {\n        return callback(child, i)\n      }\n    })\n  }\n\n  /**\n   * Traverses the container’s descendant nodes, calling callback\n   * for each at-rule node.\n   *\n   * If you pass a filter, iteration will only happen over at-rules\n   * that have matching names.\n   *\n   * Like {@link Container#each}, this method is safe\n   * to use if you are mutating arrays during iteration.\n   *\n   * @param {string|RegExp} [name]   String or regular expression\n   *                                 to filter at-rules by name.\n   * @param {childIterator} callback Iterator receives each node and index.\n   *\n   * @return {false|undefined} Returns `false` if iteration was broke.\n   *\n   * @example\n   * root.walkAtRules(rule => {\n   *   if (isOld(rule.name)) rule.remove()\n   * })\n   *\n   * let first = false\n   * root.walkAtRules('charset', rule => {\n   *   if (!first) {\n   *     first = true\n   *   } else {\n   *     rule.remove()\n   *   }\n   * })\n   */\n  walkAtRules (name, callback) {\n    if (!callback) {\n      callback = name\n      return this.walk((child, i) => {\n        if (child.type === 'atrule') {\n          return callback(child, i)\n        }\n      })\n    }\n    if (name instanceof RegExp) {\n      return this.walk((child, i) => {\n        if (child.type === 'atrule' && name.test(child.name)) {\n          return callback(child, i)\n        }\n      })\n    }\n    return this.walk((child, i) => {\n      if (child.type === 'atrule' && child.name === name) {\n        return callback(child, i)\n      }\n    })\n  }\n\n  /**\n   * Traverses the container’s descendant nodes, calling callback\n   * for each comment node.\n   *\n   * Like {@link Container#each}, this method is safe\n   * to use if you are mutating arrays during iteration.\n   *\n   * @param {childIterator} callback Iterator receives each node and index.\n   *\n   * @return {false|undefined} Returns `false` if iteration was broke.\n   *\n   * @example\n   * root.walkComments(comment => {\n   *   comment.remove()\n   * })\n   */\n  walkComments (callback) {\n    return this.walk((child, i) => {\n      if (child.type === 'comment') {\n        return callback(child, i)\n      }\n    })\n  }\n\n  /**\n   * Inserts new nodes to the end of the container.\n   *\n   * @param {...(Node|object|string|Node[])} children New nodes.\n   *\n   * @return {Node} This node for methods chain.\n   *\n   * @example\n   * const decl1 = postcss.decl({ prop: 'color', value: 'black' })\n   * const decl2 = postcss.decl({ prop: 'background-color', value: 'white' })\n   * rule.append(decl1, decl2)\n   *\n   * root.append({ name: 'charset', params: '\"UTF-8\"' })  // at-rule\n   * root.append({ selector: 'a' })                       // rule\n   * rule.append({ prop: 'color', value: 'black' })       // declaration\n   * rule.append({ text: 'Comment' })                     // comment\n   *\n   * root.append('a {}')\n   * root.first.append('color: black; z-index: 1')\n   */\n  append (...children) {\n    for (let child of children) {\n      let nodes = this.normalize(child, this.last)\n      for (let node of nodes) this.nodes.push(node)\n    }\n    return this\n  }\n\n  /**\n   * Inserts new nodes to the start of the container.\n   *\n   * @param {...(Node|object|string|Node[])} children New nodes.\n   *\n   * @return {Node} This node for methods chain.\n   *\n   * @example\n   * const decl1 = postcss.decl({ prop: 'color', value: 'black' })\n   * const decl2 = postcss.decl({ prop: 'background-color', value: 'white' })\n   * rule.prepend(decl1, decl2)\n   *\n   * root.append({ name: 'charset', params: '\"UTF-8\"' })  // at-rule\n   * root.append({ selector: 'a' })                       // rule\n   * rule.append({ prop: 'color', value: 'black' })       // declaration\n   * rule.append({ text: 'Comment' })                     // comment\n   *\n   * root.append('a {}')\n   * root.first.append('color: black; z-index: 1')\n   */\n  prepend (...children) {\n    children = children.reverse()\n    for (let child of children) {\n      let nodes = this.normalize(child, this.first, 'prepend').reverse()\n      for (let node of nodes) this.nodes.unshift(node)\n      for (let id in this.indexes) {\n        this.indexes[id] = this.indexes[id] + nodes.length\n      }\n    }\n    return this\n  }\n\n  cleanRaws (keepBetween) {\n    super.cleanRaws(keepBetween)\n    if (this.nodes) {\n      for (let node of this.nodes) node.cleanRaws(keepBetween)\n    }\n  }\n\n  /**\n   * Insert new node before old node within the container.\n   *\n   * @param {Node|number} exist             Child or child’s index.\n   * @param {Node|object|string|Node[]} add New node.\n   *\n   * @return {Node} This node for methods chain.\n   *\n   * @example\n   * rule.insertBefore(decl, decl.clone({ prop: '-webkit-' + decl.prop }))\n   */\n  insertBefore (exist, add) {\n    exist = this.index(exist)\n\n    let type = exist === 0 ? 'prepend' : false\n    let nodes = this.normalize(add, this.nodes[exist], type).reverse()\n    for (let node of nodes) this.nodes.splice(exist, 0, node)\n\n    let index\n    for (let id in this.indexes) {\n      index = this.indexes[id]\n      if (exist <= index) {\n        this.indexes[id] = index + nodes.length\n      }\n    }\n\n    return this\n  }\n\n  /**\n   * Insert new node after old node within the container.\n   *\n   * @param {Node|number} exist             Child or child’s index.\n   * @param {Node|object|string|Node[]} add New node.\n   *\n   * @return {Node} This node for methods chain.\n   */\n  insertAfter (exist, add) {\n    exist = this.index(exist)\n\n    let nodes = this.normalize(add, this.nodes[exist]).reverse()\n    for (let node of nodes) this.nodes.splice(exist + 1, 0, node)\n\n    let index\n    for (let id in this.indexes) {\n      index = this.indexes[id]\n      if (exist < index) {\n        this.indexes[id] = index + nodes.length\n      }\n    }\n\n    return this\n  }\n\n  /**\n   * Removes node from the container and cleans the parent properties\n   * from the node and its children.\n   *\n   * @param {Node|number} child Child or child’s index.\n   *\n   * @return {Node} This node for methods chain\n   *\n   * @example\n   * rule.nodes.length  //=> 5\n   * rule.removeChild(decl)\n   * rule.nodes.length  //=> 4\n   * decl.parent        //=> undefined\n   */\n  removeChild (child) {\n    child = this.index(child)\n    this.nodes[child].parent = undefined\n    this.nodes.splice(child, 1)\n\n    let index\n    for (let id in this.indexes) {\n      index = this.indexes[id]\n      if (index >= child) {\n        this.indexes[id] = index - 1\n      }\n    }\n\n    return this\n  }\n\n  /**\n   * Removes all children from the container\n   * and cleans their parent properties.\n   *\n   * @return {Node} This node for methods chain.\n   *\n   * @example\n   * rule.removeAll()\n   * rule.nodes.length //=> 0\n   */\n  removeAll () {\n    for (let node of this.nodes) node.parent = undefined\n    this.nodes = []\n    return this\n  }\n\n  /**\n   * Passes all declaration values within the container that match pattern\n   * through callback, replacing those values with the returned result\n   * of callback.\n   *\n   * This method is useful if you are using a custom unit or function\n   * and need to iterate through all values.\n   *\n   * @param {string|RegExp} pattern      Replace pattern.\n   * @param {object} opts                Options to speed up the search.\n   * @param {string|string[]} opts.props An array of property names.\n   * @param {string} opts.fast           String that’s used to narrow down\n   *                                     values and speed up the regexp search.\n   * @param {function|string} callback   String to replace pattern or callback\n   *                                     that returns a new value. The callback\n   *                                     will receive the same arguments\n   *                                     as those passed to a function parameter\n   *                                     of `String#replace`.\n   *\n   * @return {Node} This node for methods chain.\n   *\n   * @example\n   * root.replaceValues(/\\d+rem/, { fast: 'rem' }, string => {\n   *   return 15 * parseInt(string) + 'px'\n   * })\n   */\n  replaceValues (pattern, opts, callback) {\n    if (!callback) {\n      callback = opts\n      opts = { }\n    }\n\n    this.walkDecls(decl => {\n      if (opts.props && opts.props.indexOf(decl.prop) === -1) return\n      if (opts.fast && decl.value.indexOf(opts.fast) === -1) return\n\n      decl.value = decl.value.replace(pattern, callback)\n    })\n\n    return this\n  }\n\n  /**\n   * Returns `true` if callback returns `true`\n   * for all of the container’s children.\n   *\n   * @param {childCondition} condition Iterator returns true or false.\n   *\n   * @return {boolean} Is every child pass condition.\n   *\n   * @example\n   * const noPrefixes = rule.every(i => i.prop[0] !== '-')\n   */\n  every (condition) {\n    return this.nodes.every(condition)\n  }\n\n  /**\n   * Returns `true` if callback returns `true` for (at least) one\n   * of the container’s children.\n   *\n   * @param {childCondition} condition Iterator returns true or false.\n   *\n   * @return {boolean} Is some child pass condition.\n   *\n   * @example\n   * const hasPrefix = rule.some(i => i.prop[0] === '-')\n   */\n  some (condition) {\n    return this.nodes.some(condition)\n  }\n\n  /**\n   * Returns a `child`’s index within the {@link Container#nodes} array.\n   *\n   * @param {Node} child Child of the current container.\n   *\n   * @return {number} Child index.\n   *\n   * @example\n   * rule.index( rule.nodes[2] ) //=> 2\n   */\n  index (child) {\n    if (typeof child === 'number') {\n      return child\n    }\n    return this.nodes.indexOf(child)\n  }\n\n  /**\n   * The container’s first child.\n   *\n   * @type {Node}\n   *\n   * @example\n   * rule.first === rules.nodes[0]\n   */\n  get first () {\n    if (!this.nodes) return undefined\n    return this.nodes[0]\n  }\n\n  /**\n   * The container’s last child.\n   *\n   * @type {Node}\n   *\n   * @example\n   * rule.last === rule.nodes[rule.nodes.length - 1]\n   */\n  get last () {\n    if (!this.nodes) return undefined\n    return this.nodes[this.nodes.length - 1]\n  }\n\n  normalize (nodes, sample) {\n    if (typeof nodes === 'string') {\n      let parse = require('./parse')\n      nodes = cleanSource(parse(nodes).nodes)\n    } else if (Array.isArray(nodes)) {\n      nodes = nodes.slice(0)\n      for (let i of nodes) {\n        if (i.parent) i.parent.removeChild(i, 'ignore')\n      }\n    } else if (nodes.type === 'root') {\n      nodes = nodes.nodes.slice(0)\n      for (let i of nodes) {\n        if (i.parent) i.parent.removeChild(i, 'ignore')\n      }\n    } else if (nodes.type) {\n      nodes = [nodes]\n    } else if (nodes.prop) {\n      if (typeof nodes.value === 'undefined') {\n        throw new Error('Value field is missed in node creation')\n      } else if (typeof nodes.value !== 'string') {\n        nodes.value = String(nodes.value)\n      }\n      nodes = [new Declaration(nodes)]\n    } else if (nodes.selector) {\n      let Rule = require('./rule')\n      nodes = [new Rule(nodes)]\n    } else if (nodes.name) {\n      let AtRule = require('./at-rule')\n      nodes = [new AtRule(nodes)]\n    } else if (nodes.text) {\n      nodes = [new Comment(nodes)]\n    } else {\n      throw new Error('Unknown node type in node creation')\n    }\n\n    let processed = nodes.map(i => {\n      if (i.parent) i.parent.removeChild(i)\n      if (typeof i.raws.before === 'undefined') {\n        if (sample && typeof sample.raws.before !== 'undefined') {\n          i.raws.before = sample.raws.before.replace(/[^\\s]/g, '')\n        }\n      }\n      i.parent = this\n      return i\n    })\n\n    return processed\n  }\n\n  /**\n   * @memberof Container#\n   * @member {Node[]} nodes An array containing the container’s children.\n   *\n   * @example\n   * const root = postcss.parse('a { color: black }')\n   * root.nodes.length           //=> 1\n   * root.nodes[0].selector      //=> 'a'\n   * root.nodes[0].nodes[0].prop //=> 'color'\n   */\n}\n\nexport default Container\n\n/**\n * @callback childCondition\n * @param {Node} node    Container child.\n * @param {number} index Child index.\n * @param {Node[]} nodes All container children.\n * @return {boolean}\n */\n\n/**\n * @callback childIterator\n * @param {Node} node    Container child.\n * @param {number} index Child index.\n * @return {false|undefined} Returning `false` will break iteration.\n */\n"],"file":"container.js"}


/***/ }),
/* 22 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _container = _interopRequireDefault(__webpack_require__(21));

var _list = _interopRequireDefault(__webpack_require__(43));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }

/**
 * Represents a CSS rule: a selector followed by a declaration block.
 *
 * @extends Container
 *
 * @example
 * const root = postcss.parse('a{}')
 * const rule = root.first
 * rule.type       //=> 'rule'
 * rule.toString() //=> 'a{}'
 */
var Rule = /*#__PURE__*/function (_Container) {
  _inheritsLoose(Rule, _Container);

  function Rule(defaults) {
    var _this;

    _this = _Container.call(this, defaults) || this;
    _this.type = 'rule';
    if (!_this.nodes) _this.nodes = [];
    return _this;
  }
  /**
   * An array containing the rule’s individual selectors.
   * Groups of selectors are split at commas.
   *
   * @type {string[]}
   *
   * @example
   * const root = postcss.parse('a, b { }')
   * const rule = root.first
   *
   * rule.selector  //=> 'a, b'
   * rule.selectors //=> ['a', 'b']
   *
   * rule.selectors = ['a', 'strong']
   * rule.selector //=> 'a, strong'
   */


  _createClass(Rule, [{
    key: "selectors",
    get: function get() {
      return _list.default.comma(this.selector);
    },
    set: function set(values) {
      var match = this.selector ? this.selector.match(/,\s*/) : null;
      var sep = match ? match[0] : ',' + this.raw('between', 'beforeOpen');
      this.selector = values.join(sep);
    }
    /**
     * @memberof Rule#
     * @member {string} selector The rule’s full selector represented
     *                           as a string.
     *
     * @example
     * const root = postcss.parse('a, b { }')
     * const rule = root.first
     * rule.selector //=> 'a, b'
     */

    /**
     * @memberof Rule#
     * @member {object} raws Information to generate byte-to-byte equal
     *                       node string as it was in the origin input.
     *
     * Every parser saves its own properties,
     * but the default CSS parser uses:
     *
     * * `before`: the space symbols before the node. It also stores `*`
     *   and `_` symbols before the declaration (IE hack).
     * * `after`: the space symbols after the last child of the node
     *   to the end of the node.
     * * `between`: the symbols between the property and value
     *   for declarations, selector and `{` for rules, or last parameter
     *   and `{` for at-rules.
     * * `semicolon`: contains `true` if the last child has
     *   an (optional) semicolon.
     * * `ownSemicolon`: contains `true` if there is semicolon after rule.
     *
     * PostCSS cleans selectors from comments and extra spaces,
     * but it stores origin content in raws properties.
     * As such, if you don’t change a declaration’s value,
     * PostCSS will use the raw value with comments.
     *
     * @example
     * const root = postcss.parse('a {\n  color:black\n}')
     * root.first.first.raws //=> { before: '', between: ' ', after: '\n' }
     */

  }]);

  return Rule;
}(_container.default);

var _default = Rule;
exports.default = _default;
module.exports = exports.default;
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/***/ }),
/* 23 */
/***/ (function(module, exports) {

module.exports = function createCustomError(name, message) {
    // use Object.create(), because some VMs prevent setting line/column otherwise
    // (iOS Safari 10 even throws an exception)
    var error = Object.create(SyntaxError.prototype);
    var errorStack = new Error();

    error.name = name;
    error.message = message;

    Object.defineProperty(error, 'stack', {
        get: function() {
            return (errorStack.stack || '').replace(/^(.+\n){1,3}/, name + ': ' + message + '\n');
        }
    });

    return error;
};


/***/ }),
/* 24 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


// token types (note: value shouldn't intersect with used char codes)
var WHITESPACE = 1;
var IDENTIFIER = 2;
var NUMBER = 3;
var STRING = 4;
var COMMENT = 5;
var PUNCTUATOR = 6;
var CDO = 7;
var CDC = 8;
var ATKEYWORD = 14;
var FUNCTION = 15;
var URL = 16;
var RAW = 17;

var TAB = 9;
var N = 10;
var F = 12;
var R = 13;
var SPACE = 32;

var TYPE = {
    WhiteSpace:   WHITESPACE,
    Identifier:   IDENTIFIER,
    Number:           NUMBER,
    String:           STRING,
    Comment:         COMMENT,
    Punctuator:   PUNCTUATOR,
    CDO:                 CDO,
    CDC:                 CDC,
    AtKeyword:     ATKEYWORD,
    Function:       FUNCTION,
    Url:                 URL,
    Raw:                 RAW,

    ExclamationMark:      33,  // !
    QuotationMark:        34,  // "
    NumberSign:           35,  // #
    DollarSign:           36,  // $
    PercentSign:          37,  // %
    Ampersand:            38,  // &
    Apostrophe:           39,  // '
    LeftParenthesis:      40,  // (
    RightParenthesis:     41,  // )
    Asterisk:             42,  // *
    PlusSign:             43,  // +
    Comma:                44,  // ,
    HyphenMinus:          45,  // -
    FullStop:             46,  // .
    Solidus:              47,  // /
    Colon:                58,  // :
    Semicolon:            59,  // ;
    LessThanSign:         60,  // <
    EqualsSign:           61,  // =
    GreaterThanSign:      62,  // >
    QuestionMark:         63,  // ?
    CommercialAt:         64,  // @
    LeftSquareBracket:    91,  // [
    Backslash:            92,  // \
    RightSquareBracket:   93,  // ]
    CircumflexAccent:     94,  // ^
    LowLine:              95,  // _
    GraveAccent:          96,  // `
    LeftCurlyBracket:    123,  // {
    VerticalLine:        124,  // |
    RightCurlyBracket:   125,  // }
    Tilde:               126   // ~
};

var NAME = Object.keys(TYPE).reduce(function(result, key) {
    result[TYPE[key]] = key;
    return result;
}, {});

// https://drafts.csswg.org/css-syntax/#tokenizer-definitions
// > non-ASCII code point
// >   A code point with a value equal to or greater than U+0080 <control>
// > name-start code point
// >   A letter, a non-ASCII code point, or U+005F LOW LINE (_).
// > name code point
// >   A name-start code point, a digit, or U+002D HYPHEN-MINUS (-)
// That means only ASCII code points has a special meaning and we a maps for 0..127 codes only
var SafeUint32Array = typeof Uint32Array !== 'undefined' ? Uint32Array : Array; // fallback on Array when TypedArray is not supported
var SYMBOL_TYPE = new SafeUint32Array(0x80);
var PUNCTUATION = new SafeUint32Array(0x80);
var STOP_URL_RAW = new SafeUint32Array(0x80);

for (var i = 0; i < SYMBOL_TYPE.length; i++) {
    SYMBOL_TYPE[i] = IDENTIFIER;
}

// fill categories
[
    TYPE.ExclamationMark,    // !
    TYPE.QuotationMark,      // "
    TYPE.NumberSign,         // #
    TYPE.DollarSign,         // $
    TYPE.PercentSign,        // %
    TYPE.Ampersand,          // &
    TYPE.Apostrophe,         // '
    TYPE.LeftParenthesis,    // (
    TYPE.RightParenthesis,   // )
    TYPE.Asterisk,           // *
    TYPE.PlusSign,           // +
    TYPE.Comma,              // ,
    TYPE.HyphenMinus,        // -
    TYPE.FullStop,           // .
    TYPE.Solidus,            // /
    TYPE.Colon,              // :
    TYPE.Semicolon,          // ;
    TYPE.LessThanSign,       // <
    TYPE.EqualsSign,         // =
    TYPE.GreaterThanSign,    // >
    TYPE.QuestionMark,       // ?
    TYPE.CommercialAt,       // @
    TYPE.LeftSquareBracket,  // [
    // TYPE.Backslash,          // \
    TYPE.RightSquareBracket, // ]
    TYPE.CircumflexAccent,   // ^
    // TYPE.LowLine,            // _
    TYPE.GraveAccent,        // `
    TYPE.LeftCurlyBracket,   // {
    TYPE.VerticalLine,       // |
    TYPE.RightCurlyBracket,  // }
    TYPE.Tilde               // ~
].forEach(function(key) {
    SYMBOL_TYPE[Number(key)] = PUNCTUATOR;
    PUNCTUATION[Number(key)] = PUNCTUATOR;
});

for (var i = 48; i <= 57; i++) {
    SYMBOL_TYPE[i] = NUMBER;
}

SYMBOL_TYPE[SPACE] = WHITESPACE;
SYMBOL_TYPE[TAB] = WHITESPACE;
SYMBOL_TYPE[N] = WHITESPACE;
SYMBOL_TYPE[R] = WHITESPACE;
SYMBOL_TYPE[F] = WHITESPACE;

SYMBOL_TYPE[TYPE.Apostrophe] = STRING;
SYMBOL_TYPE[TYPE.QuotationMark] = STRING;

STOP_URL_RAW[SPACE] = 1;
STOP_URL_RAW[TAB] = 1;
STOP_URL_RAW[N] = 1;
STOP_URL_RAW[R] = 1;
STOP_URL_RAW[F] = 1;
STOP_URL_RAW[TYPE.Apostrophe] = 1;
STOP_URL_RAW[TYPE.QuotationMark] = 1;
STOP_URL_RAW[TYPE.LeftParenthesis] = 1;
STOP_URL_RAW[TYPE.RightParenthesis] = 1;

// whitespace is punctuation ...
PUNCTUATION[SPACE] = PUNCTUATOR;
PUNCTUATION[TAB] = PUNCTUATOR;
PUNCTUATION[N] = PUNCTUATOR;
PUNCTUATION[R] = PUNCTUATOR;
PUNCTUATION[F] = PUNCTUATOR;
// ... hyper minus is not
PUNCTUATION[TYPE.HyphenMinus] = 0;

module.exports = {
    TYPE: TYPE,
    NAME: NAME,

    SYMBOL_TYPE: SYMBOL_TYPE,
    PUNCTUATION: PUNCTUATION,
    STOP_URL_RAW: STOP_URL_RAW
};


/***/ }),
/* 25 */
/***/ (function(module, exports) {

function noop(value) {
    return value;
}

function generateMultiplier(multiplier) {
    if (multiplier.min === 0 && multiplier.max === 0) {
        return '*';
    }

    if (multiplier.min === 0 && multiplier.max === 1) {
        return '?';
    }

    if (multiplier.min === 1 && multiplier.max === 0) {
        return multiplier.comma ? '#' : '+';
    }

    if (multiplier.min === 1 && multiplier.max === 1) {
        return '';
    }

    return (
        (multiplier.comma ? '#' : '') +
        (multiplier.min === multiplier.max
            ? '{' + multiplier.min + '}'
            : '{' + multiplier.min + ',' + (multiplier.max !== 0 ? multiplier.max : '') + '}'
        )
    );
}

function generateSequence(node, forceBraces, decorate) {
    var result = node.terms.map(function(term) {
        return generate(term, forceBraces, decorate);
    }).join(node.combinator === ' ' ? ' ' : ' ' + node.combinator + ' ');

    if (node.explicit || forceBraces) {
        result = (result[0] !== ',' ? '[ ' : '[') + result + ' ]';
    }

    return result;
}

function generate(node, forceBraces, decorate) {
    var result;

    switch (node.type) {
        case 'Group':
            result =
                generateSequence(node, forceBraces, decorate) +
                (node.disallowEmpty ? '!' : '');
            break;

        case 'Multiplier':
            // return since node is a composition
            return (
                generate(node.term, forceBraces, decorate) +
                decorate(generateMultiplier(node), node)
            );

        case 'Type':
            result = '<' + node.name + '>';
            break;

        case 'Property':
            result = '<\'' + node.name + '\'>';
            break;

        case 'Keyword':
            result = node.name;
            break;

        case 'AtKeyword':
            result = '@' + node.name;
            break;

        case 'Function':
            result = node.name + '(';
            break;

        case 'String':
        case 'Token':
            result = node.value;
            break;

        case 'Comma':
            result = ',';
            break;

        default:
            throw new Error('Unknown node type `' + node.type + '`');
    }

    return decorate(result, node);
}

module.exports = function(node, options) {
    var decorate = noop;
    var forceBraces = false;

    if (typeof options === 'function') {
        decorate = options;
    } else if (options) {
        forceBraces = Boolean(options.forceBraces);
        if (typeof options.decorate === 'function') {
            decorate = options.decorate;
        }
    }

    return generate(node, forceBraces, decorate);
};


/***/ }),
/* 26 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var hasOwnProperty = Object.prototype.hasOwnProperty;
var keywords = Object.create(null);
var properties = Object.create(null);
var HYPHENMINUS = 45; // '-'.charCodeAt()

function isCustomProperty(str, offset) {
    offset = offset || 0;

    return str.length - offset >= 2 &&
           str.charCodeAt(offset) === HYPHENMINUS &&
           str.charCodeAt(offset + 1) === HYPHENMINUS;
}

function getVendorPrefix(str, offset) {
    offset = offset || 0;

    // verdor prefix should be at least 3 chars length
    if (str.length - offset >= 3) {
        // vendor prefix starts with hyper minus following non-hyper minus
        if (str.charCodeAt(offset) === HYPHENMINUS &&
            str.charCodeAt(offset + 1) !== HYPHENMINUS) {
            // vendor prefix should contain a hyper minus at the ending
            var secondDashIndex = str.indexOf('-', offset + 2);

            if (secondDashIndex !== -1) {
                return str.substring(offset, secondDashIndex + 1);
            }
        }
    }

    return '';
}

function getKeywordDescriptor(keyword) {
    if (hasOwnProperty.call(keywords, keyword)) {
        return keywords[keyword];
    }

    var name = keyword.toLowerCase();

    if (hasOwnProperty.call(keywords, name)) {
        return keywords[keyword] = keywords[name];
    }

    var custom = isCustomProperty(name, 0);
    var vendor = !custom ? getVendorPrefix(name, 0) : '';

    return keywords[keyword] = Object.freeze({
        basename: name.substr(vendor.length),
        name: name,
        vendor: vendor,
        prefix: vendor,
        custom: custom
    });
}

function getPropertyDescriptor(property) {
    if (hasOwnProperty.call(properties, property)) {
        return properties[property];
    }

    var name = property;
    var hack = property[0];

    if (hack === '/') {
        hack = property[1] === '/' ? '//' : '/';
    } else if (hack !== '_' &&
               hack !== '*' &&
               hack !== '$' &&
               hack !== '#' &&
               hack !== '+') {
        hack = '';
    }

    var custom = isCustomProperty(name, hack.length);

    // re-use result when possible (the same as for lower case)
    if (!custom) {
        name = name.toLowerCase();
        if (hasOwnProperty.call(properties, name)) {
            return properties[property] = properties[name];
        }
    }

    var vendor = !custom ? getVendorPrefix(name, hack.length) : '';
    var prefix = name.substr(0, hack.length + vendor.length);

    return properties[property] = Object.freeze({
        basename: name.substr(prefix.length),
        name: name.substr(hack.length),
        hack: hack,
        vendor: vendor,
        prefix: prefix,
        custom: custom
    });
}

module.exports = {
    keyword: getKeywordDescriptor,
    property: getPropertyDescriptor,
    isCustomProperty: isCustomProperty,
    vendorPrefix: getVendorPrefix
};


/***/ }),
/* 27 */
/***/ (function(module, exports, __webpack_require__) {

var Tokenizer = __webpack_require__(103);
var TAB = 9;
var N = 10;
var F = 12;
var R = 13;
var SPACE = 32;
var EXCLAMATIONMARK = 33;    // !
var NUMBERSIGN = 35;         // #
var AMPERSAND = 38;          // &
var APOSTROPHE = 39;         // '
var LEFTPARENTHESIS = 40;    // (
var RIGHTPARENTHESIS = 41;   // )
var ASTERISK = 42;           // *
var PLUSSIGN = 43;           // +
var COMMA = 44;              // ,
var LESSTHANSIGN = 60;       // <
var GREATERTHANSIGN = 62;    // >
var QUESTIONMARK = 63;       // ?
var COMMERCIALAT = 64;       // @
var LEFTSQUAREBRACKET = 91;  // [
var RIGHTSQUAREBRACKET = 93; // ]
var LEFTCURLYBRACKET = 123;  // {
var VERTICALLINE = 124;      // |
var RIGHTCURLYBRACKET = 125; // }
var NAME_CHAR = createCharMap(function(ch) {
    return /[a-zA-Z0-9\-]/.test(ch);
});
var COMBINATOR_PRECEDENCE = {
    ' ': 1,
    '&&': 2,
    '||': 3,
    '|': 4
};

function createCharMap(fn) {
    var array = typeof Uint32Array === 'function' ? new Uint32Array(128) : new Array(128);
    for (var i = 0; i < 128; i++) {
        array[i] = fn(String.fromCharCode(i)) ? 1 : 0;
    }
    return array;
}

function scanSpaces(tokenizer) {
    return tokenizer.substringToPos(
        tokenizer.findWsEnd(tokenizer.pos + 1)
    );
}

function scanWord(tokenizer) {
    var end = tokenizer.pos;

    for (; end < tokenizer.str.length; end++) {
        var code = tokenizer.str.charCodeAt(end);
        if (code >= 128 || NAME_CHAR[code] === 0) {
            break;
        }
    }

    if (tokenizer.pos === end) {
        tokenizer.error('Expect a keyword');
    }

    return tokenizer.substringToPos(end);
}

function scanNumber(tokenizer) {
    var end = tokenizer.pos;

    for (; end < tokenizer.str.length; end++) {
        var code = tokenizer.str.charCodeAt(end);
        if (code < 48 || code > 57) {
            break;
        }
    }

    if (tokenizer.pos === end) {
        tokenizer.error('Expect a number');
    }

    return tokenizer.substringToPos(end);
}

function scanString(tokenizer) {
    var end = tokenizer.str.indexOf('\'', tokenizer.pos + 1);

    if (end === -1) {
        tokenizer.pos = tokenizer.str.length;
        tokenizer.error('Expect an apostrophe');
    }

    return tokenizer.substringToPos(end + 1);
}

function readMultiplierRange(tokenizer) {
    var min = null;
    var max = null;

    tokenizer.eat(LEFTCURLYBRACKET);

    min = scanNumber(tokenizer);

    if (tokenizer.charCode() === COMMA) {
        tokenizer.pos++;
        if (tokenizer.charCode() !== RIGHTCURLYBRACKET) {
            max = scanNumber(tokenizer);
        }
    } else {
        max = min;
    }

    tokenizer.eat(RIGHTCURLYBRACKET);

    return {
        min: Number(min),
        max: max ? Number(max) : 0
    };
}

function readMultiplier(tokenizer) {
    var range = null;
    var comma = false;

    switch (tokenizer.charCode()) {
        case ASTERISK:
            tokenizer.pos++;

            range = {
                min: 0,
                max: 0
            };

            break;

        case PLUSSIGN:
            tokenizer.pos++;

            range = {
                min: 1,
                max: 0
            };

            break;

        case QUESTIONMARK:
            tokenizer.pos++;

            range = {
                min: 0,
                max: 1
            };

            break;

        case NUMBERSIGN:
            tokenizer.pos++;

            comma = true;

            if (tokenizer.charCode() === LEFTCURLYBRACKET) {
                range = readMultiplierRange(tokenizer);
            } else {
                range = {
                    min: 1,
                    max: 0
                };
            }

            break;

        case LEFTCURLYBRACKET:
            range = readMultiplierRange(tokenizer);
            break;

        default:
            return null;
    }

    return {
        type: 'Multiplier',
        comma: comma,
        min: range.min,
        max: range.max,
        term: null
    };
}

function maybeMultiplied(tokenizer, node) {
    var multiplier = readMultiplier(tokenizer);

    if (multiplier !== null) {
        multiplier.term = node;
        return multiplier;
    }

    return node;
}

function maybeToken(tokenizer) {
    var ch = tokenizer.peek();

    if (ch === '') {
        return null;
    }

    return {
        type: 'Token',
        value: ch
    };
}

function readProperty(tokenizer) {
    var name;

    tokenizer.eat(LESSTHANSIGN);
    tokenizer.eat(APOSTROPHE);

    name = scanWord(tokenizer);

    tokenizer.eat(APOSTROPHE);
    tokenizer.eat(GREATERTHANSIGN);

    return maybeMultiplied(tokenizer, {
        type: 'Property',
        name: name
    });
}

function readType(tokenizer) {
    var name;

    tokenizer.eat(LESSTHANSIGN);
    name = scanWord(tokenizer);

    if (tokenizer.charCode() === LEFTPARENTHESIS &&
        tokenizer.nextCharCode() === RIGHTPARENTHESIS) {
        tokenizer.pos += 2;
        name += '()';
    }

    tokenizer.eat(GREATERTHANSIGN);

    return maybeMultiplied(tokenizer, {
        type: 'Type',
        name: name
    });
}

function readKeywordOrFunction(tokenizer) {
    var name;

    name = scanWord(tokenizer);

    if (tokenizer.charCode() === LEFTPARENTHESIS) {
        tokenizer.pos++;

        return {
            type: 'Function',
            name: name
        };
    }

    return maybeMultiplied(tokenizer, {
        type: 'Keyword',
        name: name
    });
}

function regroupTerms(terms, combinators) {
    function createGroup(terms, combinator) {
        return {
            type: 'Group',
            terms: terms,
            combinator: combinator,
            disallowEmpty: false,
            explicit: false
        };
    }

    combinators = Object.keys(combinators).sort(function(a, b) {
        return COMBINATOR_PRECEDENCE[a] - COMBINATOR_PRECEDENCE[b];
    });

    while (combinators.length > 0) {
        var combinator = combinators.shift();
        for (var i = 0, subgroupStart = 0; i < terms.length; i++) {
            var term = terms[i];
            if (term.type === 'Combinator') {
                if (term.value === combinator) {
                    if (subgroupStart === -1) {
                        subgroupStart = i - 1;
                    }
                    terms.splice(i, 1);
                    i--;
                } else {
                    if (subgroupStart !== -1 && i - subgroupStart > 1) {
                        terms.splice(
                            subgroupStart,
                            i - subgroupStart,
                            createGroup(terms.slice(subgroupStart, i), combinator)
                        );
                        i = subgroupStart + 1;
                    }
                    subgroupStart = -1;
                }
            }
        }

        if (subgroupStart !== -1 && combinators.length) {
            terms.splice(
                subgroupStart,
                i - subgroupStart,
                createGroup(terms.slice(subgroupStart, i), combinator)
            );
        }
    }

    return combinator;
}

function readImplicitGroup(tokenizer) {
    var terms = [];
    var combinators = {};
    var token;
    var prevToken = null;
    var prevTokenPos = tokenizer.pos;

    while (token = peek(tokenizer)) {
        if (token.type !== 'Spaces') {
            if (token.type === 'Combinator') {
                // check for combinator in group beginning and double combinator sequence
                if (prevToken === null || prevToken.type === 'Combinator') {
                    tokenizer.pos = prevTokenPos;
                    tokenizer.error('Unexpected combinator');
                }

                combinators[token.value] = true;
            } else if (prevToken !== null && prevToken.type !== 'Combinator') {
                combinators[' '] = true;  // a b
                terms.push({
                    type: 'Combinator',
                    value: ' '
                });
            }

            terms.push(token);
            prevToken = token;
            prevTokenPos = tokenizer.pos;
        }
    }

    // check for combinator in group ending
    if (prevToken !== null && prevToken.type === 'Combinator') {
        tokenizer.pos -= prevTokenPos;
        tokenizer.error('Unexpected combinator');
    }

    return {
        type: 'Group',
        terms: terms,
        combinator: regroupTerms(terms, combinators) || ' ',
        disallowEmpty: false,
        explicit: false
    };
}

function readGroup(tokenizer) {
    var result;

    tokenizer.eat(LEFTSQUAREBRACKET);
    result = readImplicitGroup(tokenizer);
    tokenizer.eat(RIGHTSQUAREBRACKET);

    result.explicit = true;

    if (tokenizer.charCode() === EXCLAMATIONMARK) {
        tokenizer.pos++;
        result.disallowEmpty = true;
    }

    return result;
}

function peek(tokenizer) {
    var code = tokenizer.charCode();

    if (code < 128 && NAME_CHAR[code] === 1) {
        return readKeywordOrFunction(tokenizer);
    }

    switch (code) {
        case RIGHTSQUAREBRACKET:
            // don't eat, stop scan a group
            break;

        case LEFTSQUAREBRACKET:
            return maybeMultiplied(tokenizer, readGroup(tokenizer));

        case LESSTHANSIGN:
            return tokenizer.nextCharCode() === APOSTROPHE
                ? readProperty(tokenizer)
                : readType(tokenizer);

        case VERTICALLINE:
            return {
                type: 'Combinator',
                value: tokenizer.substringToPos(
                    tokenizer.nextCharCode() === VERTICALLINE
                        ? tokenizer.pos + 2
                        : tokenizer.pos + 1
                )
            };

        case AMPERSAND:
            tokenizer.pos++;
            tokenizer.eat(AMPERSAND);

            return {
                type: 'Combinator',
                value: '&&'
            };

        case COMMA:
            tokenizer.pos++;
            return {
                type: 'Comma'
            };

        case APOSTROPHE:
            return maybeMultiplied(tokenizer, {
                type: 'String',
                value: scanString(tokenizer)
            });

        case SPACE:
        case TAB:
        case N:
        case R:
        case F:
            return {
                type: 'Spaces',
                value: scanSpaces(tokenizer)
            };

        case COMMERCIALAT:
            code = tokenizer.nextCharCode();

            if (code < 128 && NAME_CHAR[code] === 1) {
                tokenizer.pos++;
                return {
                    type: 'AtKeyword',
                    name: scanWord(tokenizer)
                };
            }

            return maybeToken(tokenizer);

        case ASTERISK:
        case PLUSSIGN:
        case QUESTIONMARK:
        case NUMBERSIGN:
        case EXCLAMATIONMARK:
            // prohibited tokens (used as a multiplier start)
            break;

        case LEFTCURLYBRACKET:
            // LEFTCURLYBRACKET is allowed since mdn/data uses it w/o quoting
            // check next char isn't a number, because it's likely a disjoined multiplier
            code = tokenizer.nextCharCode();

            if (code < 48 || code > 57) {
                return maybeToken(tokenizer);
            }

            break;

        default:
            return maybeToken(tokenizer);
    }
}

function parse(str) {
    var tokenizer = new Tokenizer(str);
    var result = readImplicitGroup(tokenizer);

    if (tokenizer.pos !== str.length) {
        tokenizer.error('Unexpected input');
    }

    // reduce redundant groups with single group term
    if (result.terms.length === 1 && result.terms[0].type === 'Group') {
        result = result.terms[0];
    }

    return result;
}

// warm up parse to elimitate code branches that never execute
// fix soft deoptimizations (insufficient type feedback)
parse('[a&&<b>#|<\'c\'>*||e() f{2} /,(% g#{1,2} h{2,})]!');

module.exports = parse;


/***/ }),
/* 28 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = {
    AnPlusB: __webpack_require__(127),
    Atrule: __webpack_require__(128),
    AtrulePrelude: __webpack_require__(129),
    AttributeSelector: __webpack_require__(130),
    Block: __webpack_require__(131),
    Brackets: __webpack_require__(132),
    CDC: __webpack_require__(133),
    CDO: __webpack_require__(134),
    ClassSelector: __webpack_require__(135),
    Combinator: __webpack_require__(136),
    Comment: __webpack_require__(137),
    Declaration: __webpack_require__(138),
    DeclarationList: __webpack_require__(139),
    Dimension: __webpack_require__(140),
    Function: __webpack_require__(141),
    HexColor: __webpack_require__(142),
    Identifier: __webpack_require__(143),
    IdSelector: __webpack_require__(144),
    MediaFeature: __webpack_require__(145),
    MediaQuery: __webpack_require__(146),
    MediaQueryList: __webpack_require__(147),
    Nth: __webpack_require__(148),
    Number: __webpack_require__(149),
    Operator: __webpack_require__(150),
    Parentheses: __webpack_require__(151),
    Percentage: __webpack_require__(152),
    PseudoClassSelector: __webpack_require__(153),
    PseudoElementSelector: __webpack_require__(154),
    Ratio: __webpack_require__(155),
    Raw: __webpack_require__(156),
    Rule: __webpack_require__(157),
    Selector: __webpack_require__(158),
    SelectorList: __webpack_require__(159),
    String: __webpack_require__(160),
    StyleSheet: __webpack_require__(161),
    TypeSelector: __webpack_require__(162),
    UnicodeRange: __webpack_require__(163),
    Url: __webpack_require__(164),
    Value: __webpack_require__(165),
    WhiteSpace: __webpack_require__(166)
};


/***/ }),
/* 29 */
/***/ (function(module, exports, __webpack_require__) {

var lexer = __webpack_require__(1).lexer;
var packNumber = __webpack_require__(11).pack;

// http://www.w3.org/TR/css3-color/#svg-color
var NAME_TO_HEX = {
    'aliceblue': 'f0f8ff',
    'antiquewhite': 'faebd7',
    'aqua': '0ff',
    'aquamarine': '7fffd4',
    'azure': 'f0ffff',
    'beige': 'f5f5dc',
    'bisque': 'ffe4c4',
    'black': '000',
    'blanchedalmond': 'ffebcd',
    'blue': '00f',
    'blueviolet': '8a2be2',
    'brown': 'a52a2a',
    'burlywood': 'deb887',
    'cadetblue': '5f9ea0',
    'chartreuse': '7fff00',
    'chocolate': 'd2691e',
    'coral': 'ff7f50',
    'cornflowerblue': '6495ed',
    'cornsilk': 'fff8dc',
    'crimson': 'dc143c',
    'cyan': '0ff',
    'darkblue': '00008b',
    'darkcyan': '008b8b',
    'darkgoldenrod': 'b8860b',
    'darkgray': 'a9a9a9',
    'darkgrey': 'a9a9a9',
    'darkgreen': '006400',
    'darkkhaki': 'bdb76b',
    'darkmagenta': '8b008b',
    'darkolivegreen': '556b2f',
    'darkorange': 'ff8c00',
    'darkorchid': '9932cc',
    'darkred': '8b0000',
    'darksalmon': 'e9967a',
    'darkseagreen': '8fbc8f',
    'darkslateblue': '483d8b',
    'darkslategray': '2f4f4f',
    'darkslategrey': '2f4f4f',
    'darkturquoise': '00ced1',
    'darkviolet': '9400d3',
    'deeppink': 'ff1493',
    'deepskyblue': '00bfff',
    'dimgray': '696969',
    'dimgrey': '696969',
    'dodgerblue': '1e90ff',
    'firebrick': 'b22222',
    'floralwhite': 'fffaf0',
    'forestgreen': '228b22',
    'fuchsia': 'f0f',
    'gainsboro': 'dcdcdc',
    'ghostwhite': 'f8f8ff',
    'gold': 'ffd700',
    'goldenrod': 'daa520',
    'gray': '808080',
    'grey': '808080',
    'green': '008000',
    'greenyellow': 'adff2f',
    'honeydew': 'f0fff0',
    'hotpink': 'ff69b4',
    'indianred': 'cd5c5c',
    'indigo': '4b0082',
    'ivory': 'fffff0',
    'khaki': 'f0e68c',
    'lavender': 'e6e6fa',
    'lavenderblush': 'fff0f5',
    'lawngreen': '7cfc00',
    'lemonchiffon': 'fffacd',
    'lightblue': 'add8e6',
    'lightcoral': 'f08080',
    'lightcyan': 'e0ffff',
    'lightgoldenrodyellow': 'fafad2',
    'lightgray': 'd3d3d3',
    'lightgrey': 'd3d3d3',
    'lightgreen': '90ee90',
    'lightpink': 'ffb6c1',
    'lightsalmon': 'ffa07a',
    'lightseagreen': '20b2aa',
    'lightskyblue': '87cefa',
    'lightslategray': '789',
    'lightslategrey': '789',
    'lightsteelblue': 'b0c4de',
    'lightyellow': 'ffffe0',
    'lime': '0f0',
    'limegreen': '32cd32',
    'linen': 'faf0e6',
    'magenta': 'f0f',
    'maroon': '800000',
    'mediumaquamarine': '66cdaa',
    'mediumblue': '0000cd',
    'mediumorchid': 'ba55d3',
    'mediumpurple': '9370db',
    'mediumseagreen': '3cb371',
    'mediumslateblue': '7b68ee',
    'mediumspringgreen': '00fa9a',
    'mediumturquoise': '48d1cc',
    'mediumvioletred': 'c71585',
    'midnightblue': '191970',
    'mintcream': 'f5fffa',
    'mistyrose': 'ffe4e1',
    'moccasin': 'ffe4b5',
    'navajowhite': 'ffdead',
    'navy': '000080',
    'oldlace': 'fdf5e6',
    'olive': '808000',
    'olivedrab': '6b8e23',
    'orange': 'ffa500',
    'orangered': 'ff4500',
    'orchid': 'da70d6',
    'palegoldenrod': 'eee8aa',
    'palegreen': '98fb98',
    'paleturquoise': 'afeeee',
    'palevioletred': 'db7093',
    'papayawhip': 'ffefd5',
    'peachpuff': 'ffdab9',
    'peru': 'cd853f',
    'pink': 'ffc0cb',
    'plum': 'dda0dd',
    'powderblue': 'b0e0e6',
    'purple': '800080',
    'rebeccapurple': '639',
    'red': 'f00',
    'rosybrown': 'bc8f8f',
    'royalblue': '4169e1',
    'saddlebrown': '8b4513',
    'salmon': 'fa8072',
    'sandybrown': 'f4a460',
    'seagreen': '2e8b57',
    'seashell': 'fff5ee',
    'sienna': 'a0522d',
    'silver': 'c0c0c0',
    'skyblue': '87ceeb',
    'slateblue': '6a5acd',
    'slategray': '708090',
    'slategrey': '708090',
    'snow': 'fffafa',
    'springgreen': '00ff7f',
    'steelblue': '4682b4',
    'tan': 'd2b48c',
    'teal': '008080',
    'thistle': 'd8bfd8',
    'tomato': 'ff6347',
    'turquoise': '40e0d0',
    'violet': 'ee82ee',
    'wheat': 'f5deb3',
    'white': 'fff',
    'whitesmoke': 'f5f5f5',
    'yellow': 'ff0',
    'yellowgreen': '9acd32'
};

var HEX_TO_NAME = {
    '800000': 'maroon',
    '800080': 'purple',
    '808000': 'olive',
    '808080': 'gray',
    '00ffff': 'cyan',
    'f0ffff': 'azure',
    'f5f5dc': 'beige',
    'ffe4c4': 'bisque',
    '000000': 'black',
    '0000ff': 'blue',
    'a52a2a': 'brown',
    'ff7f50': 'coral',
    'ffd700': 'gold',
    '008000': 'green',
    '4b0082': 'indigo',
    'fffff0': 'ivory',
    'f0e68c': 'khaki',
    '00ff00': 'lime',
    'faf0e6': 'linen',
    '000080': 'navy',
    'ffa500': 'orange',
    'da70d6': 'orchid',
    'cd853f': 'peru',
    'ffc0cb': 'pink',
    'dda0dd': 'plum',
    'f00': 'red',
    'ff0000': 'red',
    'fa8072': 'salmon',
    'a0522d': 'sienna',
    'c0c0c0': 'silver',
    'fffafa': 'snow',
    'd2b48c': 'tan',
    '008080': 'teal',
    'ff6347': 'tomato',
    'ee82ee': 'violet',
    'f5deb3': 'wheat',
    'ffffff': 'white',
    'ffff00': 'yellow'
};

function hueToRgb(p, q, t) {
    if (t < 0) {
        t += 1;
    }
    if (t > 1) {
        t -= 1;
    }
    if (t < 1 / 6) {
        return p + (q - p) * 6 * t;
    }
    if (t < 1 / 2) {
        return q;
    }
    if (t < 2 / 3) {
        return p + (q - p) * (2 / 3 - t) * 6;
    }
    return p;
}

function hslToRgb(h, s, l, a) {
    var r;
    var g;
    var b;

    if (s === 0) {
        r = g = b = l; // achromatic
    } else {
        var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
        var p = 2 * l - q;

        r = hueToRgb(p, q, h + 1 / 3);
        g = hueToRgb(p, q, h);
        b = hueToRgb(p, q, h - 1 / 3);
    }

    return [
        Math.round(r * 255),
        Math.round(g * 255),
        Math.round(b * 255),
        a
    ];
}

function toHex(value) {
    value = value.toString(16);
    return value.length === 1 ? '0' + value : value;
}

function parseFunctionArgs(functionArgs, count, rgb) {
    var cursor = functionArgs.head;
    var args = [];
    var wasValue = false;

    while (cursor !== null) {
        var node = cursor.data;
        var type = node.type;

        switch (type) {
            case 'Number':
            case 'Percentage':
                if (wasValue) {
                    return;
                }

                wasValue = true;
                args.push({
                    type: type,
                    value: Number(node.value)
                });
                break;

            case 'Operator':
                if (node.value === ',') {
                    if (!wasValue) {
                        return;
                    }
                    wasValue = false;
                } else if (wasValue || node.value !== '+') {
                    return;
                }
                break;

            default:
                // something we couldn't understand
                return;
        }

        cursor = cursor.next;
    }

    if (args.length !== count) {
        // invalid arguments count
        // TODO: remove those tokens
        return;
    }

    if (args.length === 4) {
        if (args[3].type !== 'Number') {
            // 4th argument should be a number
            // TODO: remove those tokens
            return;
        }

        args[3].type = 'Alpha';
    }

    if (rgb) {
        if (args[0].type !== args[1].type || args[0].type !== args[2].type) {
            // invalid color, numbers and percentage shouldn't be mixed
            // TODO: remove those tokens
            return;
        }
    } else {
        if (args[0].type !== 'Number' ||
            args[1].type !== 'Percentage' ||
            args[2].type !== 'Percentage') {
            // invalid color, for hsl values should be: number, percentage, percentage
            // TODO: remove those tokens
            return;
        }

        args[0].type = 'Angle';
    }

    return args.map(function(arg) {
        var value = Math.max(0, arg.value);

        switch (arg.type) {
            case 'Number':
                // fit value to [0..255] range
                value = Math.min(value, 255);
                break;

            case 'Percentage':
                // convert 0..100% to value in [0..255] range
                value = Math.min(value, 100) / 100;

                if (!rgb) {
                    return value;
                }

                value = 255 * value;
                break;

            case 'Angle':
                // fit value to (-360..360) range
                return (((value % 360) + 360) % 360) / 360;

            case 'Alpha':
                // fit value to [0..1] range
                return Math.min(value, 1);
        }

        return Math.round(value);
    });
}

function compressFunction(node, item, list) {
    var functionName = node.name;
    var args;

    if (functionName === 'rgba' || functionName === 'hsla') {
        args = parseFunctionArgs(node.children, 4, functionName === 'rgba');

        if (!args) {
            // something went wrong
            return;
        }

        if (functionName === 'hsla') {
            args = hslToRgb.apply(null, args);
            node.name = 'rgba';
        }

        if (args[3] === 0) {
            // try to replace `rgba(x, x, x, 0)` to `transparent`
            // always replace `rgba(0, 0, 0, 0)` to `transparent`
            // otherwise avoid replacement in gradients since it may break color transition
            // http://stackoverflow.com/questions/11829410/css3-gradient-rendering-issues-from-transparent-to-white
            var scopeFunctionName = this['function'] && this['function'].name;
            if ((args[0] === 0 && args[1] === 0 && args[2] === 0) ||
                !/^(?:to|from|color-stop)$|gradient$/i.test(scopeFunctionName)) {

                item.data = {
                    type: 'Identifier',
                    loc: node.loc,
                    name: 'transparent'
                };

                return;
            }
        }

        if (args[3] !== 1) {
            // replace argument values for normalized/interpolated
            node.children.each(function(node, item, list) {
                if (node.type === 'Operator') {
                    if (node.value !== ',') {
                        list.remove(item);
                    }
                    return;
                }

                item.data = {
                    type: 'Number',
                    loc: node.loc,
                    value: packNumber(args.shift(), null)
                };
            });

            return;
        }

        // otherwise convert to rgb, i.e. rgba(255, 0, 0, 1) -> rgb(255, 0, 0)
        functionName = 'rgb';
    }

    if (functionName === 'hsl') {
        args = args || parseFunctionArgs(node.children, 3, false);

        if (!args) {
            // something went wrong
            return;
        }

        // convert to rgb
        args = hslToRgb.apply(null, args);
        functionName = 'rgb';
    }

    if (functionName === 'rgb') {
        args = args || parseFunctionArgs(node.children, 3, true);

        if (!args) {
            // something went wrong
            return;
        }

        // check if color is not at the end and not followed by space
        var next = item.next;
        if (next && next.data.type !== 'WhiteSpace') {
            list.insert(list.createItem({
                type: 'WhiteSpace',
                value: ' '
            }), next);
        }

        item.data = {
            type: 'HexColor',
            loc: node.loc,
            value: toHex(args[0]) + toHex(args[1]) + toHex(args[2])
        };

        compressHex(item.data, item);
    }
}

function compressIdent(node, item) {
    if (this.declaration === null) {
        return;
    }

    var color = node.name.toLowerCase();

    if (NAME_TO_HEX.hasOwnProperty(color) &&
        lexer.matchDeclaration(this.declaration).isType(node, 'color')) {
        var hex = NAME_TO_HEX[color];

        if (hex.length + 1 <= color.length) {
            // replace for shorter hex value
            item.data = {
                type: 'HexColor',
                loc: node.loc,
                value: hex
            };
        } else {
            // special case for consistent colors
            if (color === 'grey') {
                color = 'gray';
            }

            // just replace value for lower cased name
            node.name = color;
        }
    }
}

function compressHex(node, item) {
    var color = node.value.toLowerCase();

    // #112233 -> #123
    if (color.length === 6 &&
        color[0] === color[1] &&
        color[2] === color[3] &&
        color[4] === color[5]) {
        color = color[0] + color[2] + color[4];
    }

    if (HEX_TO_NAME[color]) {
        item.data = {
            type: 'Identifier',
            loc: node.loc,
            name: HEX_TO_NAME[color]
        };
    } else {
        node.value = color;
    }
}

module.exports = {
    compressFunction: compressFunction,
    compressIdent: compressIdent,
    compressHex: compressHex
};


/***/ }),
/* 30 */
/***/ (function(module, exports) {

var hasOwnProperty = Object.prototype.hasOwnProperty;

function isEqualSelectors(a, b) {
    var cursor1 = a.head;
    var cursor2 = b.head;

    while (cursor1 !== null && cursor2 !== null && cursor1.data.id === cursor2.data.id) {
        cursor1 = cursor1.next;
        cursor2 = cursor2.next;
    }

    return cursor1 === null && cursor2 === null;
}

function isEqualDeclarations(a, b) {
    var cursor1 = a.head;
    var cursor2 = b.head;

    while (cursor1 !== null && cursor2 !== null && cursor1.data.id === cursor2.data.id) {
        cursor1 = cursor1.next;
        cursor2 = cursor2.next;
    }

    return cursor1 === null && cursor2 === null;
}

function compareDeclarations(declarations1, declarations2) {
    var result = {
        eq: [],
        ne1: [],
        ne2: [],
        ne2overrided: []
    };

    var fingerprints = Object.create(null);
    var declarations2hash = Object.create(null);

    for (var cursor = declarations2.head; cursor; cursor = cursor.next)  {
        declarations2hash[cursor.data.id] = true;
    }

    for (var cursor = declarations1.head; cursor; cursor = cursor.next)  {
        var data = cursor.data;

        if (data.fingerprint) {
            fingerprints[data.fingerprint] = data.important;
        }

        if (declarations2hash[data.id]) {
            declarations2hash[data.id] = false;
            result.eq.push(data);
        } else {
            result.ne1.push(data);
        }
    }

    for (var cursor = declarations2.head; cursor; cursor = cursor.next)  {
        var data = cursor.data;

        if (declarations2hash[data.id]) {
            // if declarations1 has overriding declaration, this is not a difference
            // but take in account !important - prev should be equal or greater than follow
            if (hasOwnProperty.call(fingerprints, data.fingerprint) &&
                Number(fingerprints[data.fingerprint]) >= Number(data.important)) {
                result.ne2overrided.push(data);
            } else {
                result.ne2.push(data);
            }
        }
    }

    return result;
}

function addSelectors(dest, source) {
    source.each(function(sourceData) {
        var newStr = sourceData.id;
        var cursor = dest.head;

        while (cursor) {
            var nextStr = cursor.data.id;

            if (nextStr === newStr) {
                return;
            }

            if (nextStr > newStr) {
                break;
            }

            cursor = cursor.next;
        }

        dest.insert(dest.createItem(sourceData), cursor);
    });

    return dest;
}

// check if simpleselectors has no equal specificity and element selector
function hasSimilarSelectors(selectors1, selectors2) {
    var cursor1 = selectors1.head;

    while (cursor1 !== null) {
        var cursor2 = selectors2.head;

        while (cursor2 !== null) {
            if (cursor1.data.compareMarker === cursor2.data.compareMarker) {
                return true;
            }

            cursor2 = cursor2.next;
        }

        cursor1 = cursor1.next;
    }

    return false;
}

// test node can't to be skipped
function unsafeToSkipNode(node) {
    switch (node.type) {
        case 'Rule':
            // unsafe skip ruleset with selector similarities
            return hasSimilarSelectors(node.prelude.children, this);

        case 'Atrule':
            // can skip at-rules with blocks
            if (node.block) {
                // unsafe skip at-rule if block contains something unsafe to skip
                return node.block.children.some(unsafeToSkipNode, this);
            }
            break;

        case 'Declaration':
            return false;
    }

    // unsafe by default
    return true;
}

module.exports = {
    isEqualSelectors: isEqualSelectors,
    isEqualDeclarations: isEqualDeclarations,
    compareDeclarations: compareDeclarations,
    addSelectors: addSelectors,
    hasSimilarSelectors: hasSimilarSelectors,
    unsafeToSkipNode: unsafeToSkipNode
};


/***/ }),
/* 31 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__(61);


/***/ }),
/* 32 */
/***/ (function(module, exports, __webpack_require__) {

const Expression = __webpack_require__(66)

module.exports = {
  /**
   * 获取表达式
   */
  getExpression(content) {
    let end = 0
    let start = content.indexOf('{{', end)
    const res = []

    while (start >= 0) {
      let expression

      res.push(content.substring(end, start)) // before
      start += 2
      end = content.indexOf('}}', start)

      if (end >= 0) {
        expression = new Expression(content.substring(start, end))
        end += 2
      } else {
        // without end
        res.push(content.substring(start - 2))
        end = content.length
      }

      if (expression) res.push(expression.parse())
      start = content.indexOf('{{', end)
    }

    res.push(content.substring(end)) // after

    return res.filter(item => !!item)
  },

  /**
   * 计算表达式
   */
  calcExpression(arr, data = {}) {
    if (!arr || typeof arr === 'string' || typeof arr === 'number' || typeof arr === 'boolean') {
      return arr
    } if (arr.length === 1 && typeof arr[0] === 'function') {
      return arr[0](data)
    }

    return arr.map(item => {
      if (typeof item === 'string') return item
      if (typeof item === 'function') return item(data)

      return ''
    }).join('')
  },
}


/***/ }),
/* 33 */
/***/ (function(module, exports, __webpack_require__) {

const exparser = __webpack_require__(4)
const _ = __webpack_require__(5)

/**
 * 测量相交区域
 */
function measureIntersect(baseRect, newRect) {
  const rect = {
    left: baseRect.left < newRect.left ? newRect.left : baseRect.left,
    top: baseRect.top < newRect.top ? newRect.top : baseRect.top,
    right: baseRect.right > newRect.right ? newRect.right : baseRect.right,
    bottom: baseRect.bottom > newRect.bottom ? newRect.bottom : baseRect.bottom,
    width: 0,
    height: 0,
  }
  if (rect.right > rect.left) rect.width = rect.right - rect.left
  else rect.right = rect.left = rect.bottom = rect.top = 0

  if (rect.bottom > rect.top) rect.height = rect.bottom - rect.top
  else rect.right = rect.left = rect.bottom = rect.top = 0

  return rect
}

/**
 * 测量参照区域
 */
function measureRelativeRect(relatives) {
  const clientWidth = document.documentElement.clientWidth
  const clientHeight = document.documentElement.clientHeight

  let retRect = null
  for (let i = 0; i < relatives.length; i++) {
    const {node, margins} = relatives[i]
    const boundingRect = node ? node.$$.getBoundingClientRect() : {
      left: 0,
      top: 0,
      right: clientWidth,
      bottom: clientHeight,
      width: clientWidth,
      height: clientHeight
    }
    const rect = {
      left: boundingRect.left - margins.left,
      top: boundingRect.top - margins.top,
      right: boundingRect.right + margins.right,
      bottom: boundingRect.bottom + margins.bottom,
    }

    if (retRect) retRect = measureIntersect(retRect, rect)
    else retRect = rect
  }

  return retRect
}

class IntersectionObserver {
  constructor(compInst, options = {}) {
    this._exparserNode = compInst._exparserNode
    this._relativeInfo = []
    this._options = options
    this._disconnected = false
    this._observers = []

    this._exparserNode._listenInfoMap = this._exparserNode._listenInfoMap || {} // 存入监听信息
  }

  /**
     * 检查并更新目标节点的相交情况
     */
  static updateTargetIntersection(listenerInfo) {
    const {
      targetNode, relatives, thresholds, minWidthOrHeight, currentRatio, callback
    } = listenerInfo
    const targetRect = targetNode.$$.getBoundingClientRect()

    if (targetRect.right - targetRect.left < minWidthOrHeight) {
      targetRect.right = targetRect.left + minWidthOrHeight
      targetRect.width = minWidthOrHeight
    }
    if (targetRect.bottom - targetRect.top < minWidthOrHeight) {
      targetRect.bottom = targetRect.top + minWidthOrHeight
      targetRect.height = minWidthOrHeight
    }

    const relativeRect = measureRelativeRect(relatives)
    const intersectRect = measureIntersect(relativeRect, targetRect)
    const targetArea = targetRect.width * targetRect.height
    const intersectRatio = targetArea ? intersectRect.width * intersectRect.height / targetArea : 0

    listenerInfo.currentRatio = intersectRatio

    let isUpdate = currentRatio === undefined
    if (intersectRatio !== currentRatio) {
      thresholds.forEach(threshold => {
        if (isUpdate) return
        if (intersectRatio <= threshold && currentRatio >= threshold) isUpdate = true
        else if (intersectRatio >= threshold && currentRatio <= threshold) isUpdate = true
      })
    }

    if (isUpdate) {
      callback.call(targetNode, {
        id: targetNode.id,
        dataset: targetNode.dataset,
        time: Date.now(),
        boundingClientRect: targetRect,
        intersectionRatio: intersectRatio,
        intersectionRect: intersectRect,
        relativeRect,
      })
    }
  }

  disconnect() {
    this._disconnected = true
    this._observers.forEach(observer => observer.disconnect())
    this._observers = []
  }

  observe(selector, callback) {
    // 获取目标节点
    const shadowRoot = this._exparserNode.shadowRoot
    let targetNodes = this._options.observeAll ? shadowRoot.querySelectorAll(selector) : shadowRoot.querySelector(selector)
    if (!Array.isArray(targetNodes)) targetNodes = targetNodes ? [targetNodes] : []

    // 获取参照区域
    const relatives = []
    this._relativeInfo.forEach(item => {
      const {selector, margins} = item
      const node = selector === null ? null : shadowRoot.querySelector(selector)
      if (selector === null || node) {
        relatives.push({
          node,
          margins: {
            left: margins.left || 0,
            top: margins.top || 0,
            right: margins.right || 0,
            bottom: margins.bottom || 0,
          },
        })
      }
    })

    targetNodes.forEach(targetNode => {
      const id = _.getId()
      const listenerInfo = {
        targetNode,
        relatives,
        thresholds: this._options.thresholds || [0],
        currentRatio: this._options.initialRatio || 0,
        minWidthOrHeight: 0,
        callback,
      }
      const observer = exparser.Observer.create(evt => {
        if (evt.status === 'attached') {
          this._exparserNode._listenInfoMap[id] = listenerInfo
          window.requestAnimationFrame(() => {
            if (!this._disconnected) IntersectionObserver.updateTargetIntersection(listenerInfo)
          })
        } else if (evt.status === 'detached') {
          delete this._exparserNode._listenInfoMap[id]
          observer.disconnect()
        }
      })
      observer.observe(targetNode, {attachStatus: true})
      if (exparser.Element.isAttached(targetNode)) {
        this._exparserNode._listenInfoMap[id] = listenerInfo
        window.requestAnimationFrame(() => {
          if (!this._disconnected) IntersectionObserver.updateTargetIntersection(listenerInfo)
        })
      }

      this._observers.push(observer)
    })
  }

  relativeTo(selector, margins = {}) {
    this._relativeInfo.push({
      selector,
      margins,
    })
    return this
  }

  relativeToViewport(margins = {}) {
    this._relativeInfo.push({
      selector: null,
      margins,
    })
    return this
  }
}

module.exports = IntersectionObserver


/***/ }),
/* 34 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _picocolors = _interopRequireDefault(__webpack_require__(74));

var _terminalHighlight = _interopRequireDefault(__webpack_require__(75));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }

function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { if (Class === null || !_isNativeFunction(Class)) return Class; if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() { return _construct(Class, arguments, _getPrototypeOf(this).constructor); } Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _setPrototypeOf(Wrapper, Class); }; return _wrapNativeSuper(Class); }

function _construct(Parent, args, Class) { if (_isNativeReflectConstruct()) { _construct = Reflect.construct; } else { _construct = function _construct(Parent, args, Class) { var a = [null]; a.push.apply(a, args); var Constructor = Function.bind.apply(Parent, a); var instance = new Constructor(); if (Class) _setPrototypeOf(instance, Class.prototype); return instance; }; } return _construct.apply(null, arguments); }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }

function _isNativeFunction(fn) { return Function.toString.call(fn).indexOf("[native code]") !== -1; }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

/**
 * The CSS parser throws this error for broken CSS.
 *
 * Custom parsers can throw this error for broken custom syntax using
 * the {@link Node#error} method.
 *
 * PostCSS will use the input source map to detect the original error location.
 * If you wrote a Sass file, compiled it to CSS and then parsed it with PostCSS,
 * PostCSS will show the original position in the Sass file.
 *
 * If you need the position in the PostCSS input
 * (e.g., to debug the previous compiler), use `error.input.file`.
 *
 * @example
 * // Catching and checking syntax error
 * try {
 *   postcss.parse('a{')
 * } catch (error) {
 *   if (error.name === 'CssSyntaxError') {
 *     error //=> CssSyntaxError
 *   }
 * }
 *
 * @example
 * // Raising error from plugin
 * throw node.error('Unknown variable', { plugin: 'postcss-vars' })
 */
var CssSyntaxError = /*#__PURE__*/function (_Error) {
  _inheritsLoose(CssSyntaxError, _Error);

  /**
   * @param {string} message  Error message.
   * @param {number} [line]   Source line of the error.
   * @param {number} [column] Source column of the error.
   * @param {string} [source] Source code of the broken file.
   * @param {string} [file]   Absolute path to the broken file.
   * @param {string} [plugin] PostCSS plugin name, if error came from plugin.
   */
  function CssSyntaxError(message, line, column, source, file, plugin) {
    var _this;

    _this = _Error.call(this, message) || this;
    /**
     * Always equal to `'CssSyntaxError'`. You should always check error type
     * by `error.name === 'CssSyntaxError'`
     * instead of `error instanceof CssSyntaxError`,
     * because npm could have several PostCSS versions.
     *
     * @type {string}
     *
     * @example
     * if (error.name === 'CssSyntaxError') {
     *   error //=> CssSyntaxError
     * }
     */

    _this.name = 'CssSyntaxError';
    /**
     * Error message.
     *
     * @type {string}
     *
     * @example
     * error.message //=> 'Unclosed block'
     */

    _this.reason = message;

    if (file) {
      /**
       * Absolute path to the broken file.
       *
       * @type {string}
       *
       * @example
       * error.file       //=> 'a.sass'
       * error.input.file //=> 'a.css'
       */
      _this.file = file;
    }

    if (source) {
      /**
       * Source code of the broken file.
       *
       * @type {string}
       *
       * @example
       * error.source       //=> 'a { b {} }'
       * error.input.column //=> 'a b { }'
       */
      _this.source = source;
    }

    if (plugin) {
      /**
       * Plugin name, if error came from plugin.
       *
       * @type {string}
       *
       * @example
       * error.plugin //=> 'postcss-vars'
       */
      _this.plugin = plugin;
    }

    if (typeof line !== 'undefined' && typeof column !== 'undefined') {
      /**
       * Source line of the error.
       *
       * @type {number}
       *
       * @example
       * error.line       //=> 2
       * error.input.line //=> 4
       */
      _this.line = line;
      /**
       * Source column of the error.
       *
       * @type {number}
       *
       * @example
       * error.column       //=> 1
       * error.input.column //=> 4
       */

      _this.column = column;
    }

    _this.setMessage();

    if (Error.captureStackTrace) {
      Error.captureStackTrace(_assertThisInitialized(_this), CssSyntaxError);
    }

    return _this;
  }

  var _proto = CssSyntaxError.prototype;

  _proto.setMessage = function setMessage() {
    /**
     * Full error text in the GNU error format
     * with plugin, file, line and column.
     *
     * @type {string}
     *
     * @example
     * error.message //=> 'a.css:1:1: Unclosed block'
     */
    this.message = this.plugin ? this.plugin + ': ' : '';
    this.message += this.file ? this.file : '<css input>';

    if (typeof this.line !== 'undefined') {
      this.message += ':' + this.line + ':' + this.column;
    }

    this.message += ': ' + this.reason;
  }
  /**
   * Returns a few lines of CSS source that caused the error.
   *
   * If the CSS has an input source map without `sourceContent`,
   * this method will return an empty string.
   *
   * @param {boolean} [color] Whether arrow will be colored red by terminal
   *                          color codes. By default, PostCSS will detect
   *                          color support by `process.stdout.isTTY`
   *                          and `process.env.NODE_DISABLE_COLORS`.
   *
   * @example
   * error.showSourceCode() //=> "  4 | }
   *                        //      5 | a {
   *                        //    > 6 |   bad
   *                        //        |   ^
   *                        //      7 | }
   *                        //      8 | b {"
   *
   * @return {string} Few lines of CSS source that caused the error.
   */
  ;

  _proto.showSourceCode = function showSourceCode(color) {
    var _this2 = this;

    if (!this.source) return '';
    var css = this.source;

    if (_terminalHighlight.default) {
      if (typeof color === 'undefined') color = _picocolors.default.isColorSupported;
      if (color) css = (0, _terminalHighlight.default)(css);
    }

    var lines = css.split(/\r?\n/);
    var start = Math.max(this.line - 3, 0);
    var end = Math.min(this.line + 2, lines.length);
    var maxWidth = String(end).length;

    function mark(text) {
      if (color && _picocolors.default.red) {
        return _picocolors.default.red(_picocolors.default.bold(text));
      }

      return text;
    }

    function aside(text) {
      if (color && _picocolors.default.gray) {
        return _picocolors.default.gray(text);
      }

      return text;
    }

    return lines.slice(start, end).map(function (line, index) {
      var number = start + 1 + index;
      var gutter = ' ' + (' ' + number).slice(-maxWidth) + ' | ';

      if (number === _this2.line) {
        var spacing = aside(gutter.replace(/\d/g, ' ')) + line.slice(0, _this2.column - 1).replace(/[^\t]/g, ' ');
        return mark('>') + aside(gutter) + line + '\n ' + spacing + mark('^');
      }

      return ' ' + aside(gutter) + line;
    }).join('\n');
  }
  /**
   * Returns error position, message and source code of the broken part.
   *
   * @example
   * error.toString() //=> "CssSyntaxError: app.css:1:1: Unclosed block
   *                  //    > 1 | a {
   *                  //        | ^"
   *
   * @return {string} Error position, message and source code.
   */
  ;

  _proto.toString = function toString() {
    var code = this.showSourceCode();

    if (code) {
      code = '\n\n' + code + '\n';
    }

    return this.name + ': ' + this.message + code;
  }
  /**
   * @memberof CssSyntaxError#
   * @member {Input} input Input object with PostCSS internal information
   *                       about input file. If input has source map
   *                       from previous tool, PostCSS will use origin
   *                       (for example, Sass) source. You can use this
   *                       object to get PostCSS input source.
   *
   * @example
   * error.input.file //=> 'a.css'
   * error.file       //=> 'a.sass'
   */
  ;

  return CssSyntaxError;
}( /*#__PURE__*/_wrapNativeSuper(Error));

var _default = CssSyntaxError;
exports.default = _default;
module.exports = exports.default;
//# 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pico from 'picocolors'\n\nimport terminalHighlight from './terminal-highlight'\n\n/**\n * The CSS parser throws this error for broken CSS.\n *\n * Custom parsers can throw this error for broken custom syntax using\n * the {@link Node#error} method.\n *\n * PostCSS will use the input source map to detect the original error location.\n * If you wrote a Sass file, compiled it to CSS and then parsed it with PostCSS,\n * PostCSS will show the original position in the Sass file.\n *\n * If you need the position in the PostCSS input\n * (e.g., to debug the previous compiler), use `error.input.file`.\n *\n * @example\n * // Catching and checking syntax error\n * try {\n *   postcss.parse('a{')\n * } catch (error) {\n *   if (error.name === 'CssSyntaxError') {\n *     error //=> CssSyntaxError\n *   }\n * }\n *\n * @example\n * // Raising error from plugin\n * throw node.error('Unknown variable', { plugin: 'postcss-vars' })\n */\nclass CssSyntaxError extends Error {\n  /**\n   * @param {string} message  Error message.\n   * @param {number} [line]   Source line of the error.\n   * @param {number} [column] Source column of the error.\n   * @param {string} [source] Source code of the broken file.\n   * @param {string} [file]   Absolute path to the broken file.\n   * @param {string} [plugin] PostCSS plugin name, if error came from plugin.\n   */\n  constructor (message, line, column, source, file, plugin) {\n    super(message)\n\n    /**\n     * Always equal to `'CssSyntaxError'`. You should always check error type\n     * by `error.name === 'CssSyntaxError'`\n     * instead of `error instanceof CssSyntaxError`,\n     * because npm could have several PostCSS versions.\n     *\n     * @type {string}\n     *\n     * @example\n     * if (error.name === 'CssSyntaxError') {\n     *   error //=> CssSyntaxError\n     * }\n     */\n    this.name = 'CssSyntaxError'\n    /**\n     * Error message.\n     *\n     * @type {string}\n     *\n     * @example\n     * error.message //=> 'Unclosed block'\n     */\n    this.reason = message\n\n    if (file) {\n      /**\n       * Absolute path to the broken file.\n       *\n       * @type {string}\n       *\n       * @example\n       * error.file       //=> 'a.sass'\n       * error.input.file //=> 'a.css'\n       */\n      this.file = file\n    }\n    if (source) {\n      /**\n       * Source code of the broken file.\n       *\n       * @type {string}\n       *\n       * @example\n       * error.source       //=> 'a { b {} }'\n       * error.input.column //=> 'a b { }'\n       */\n      this.source = source\n    }\n    if (plugin) {\n      /**\n       * Plugin name, if error came from plugin.\n       *\n       * @type {string}\n       *\n       * @example\n       * error.plugin //=> 'postcss-vars'\n       */\n      this.plugin = plugin\n    }\n    if (typeof line !== 'undefined' && typeof column !== 'undefined') {\n      /**\n       * Source line of the error.\n       *\n       * @type {number}\n       *\n       * @example\n       * error.line       //=> 2\n       * error.input.line //=> 4\n       */\n      this.line = line\n      /**\n       * Source column of the error.\n       *\n       * @type {number}\n       *\n       * @example\n       * error.column       //=> 1\n       * error.input.column //=> 4\n       */\n      this.column = column\n    }\n\n    this.setMessage()\n\n    if (Error.captureStackTrace) {\n      Error.captureStackTrace(this, CssSyntaxError)\n    }\n  }\n\n  setMessage () {\n    /**\n     * Full error text in the GNU error format\n     * with plugin, file, line and column.\n     *\n     * @type {string}\n     *\n     * @example\n     * error.message //=> 'a.css:1:1: Unclosed block'\n     */\n    this.message = this.plugin ? this.plugin + ': ' : ''\n    this.message += this.file ? this.file : '<css input>'\n    if (typeof this.line !== 'undefined') {\n      this.message += ':' + this.line + ':' + this.column\n    }\n    this.message += ': ' + this.reason\n  }\n\n  /**\n   * Returns a few lines of CSS source that caused the error.\n   *\n   * If the CSS has an input source map without `sourceContent`,\n   * this method will return an empty string.\n   *\n   * @param {boolean} [color] Whether arrow will be colored red by terminal\n   *                          color codes. By default, PostCSS will detect\n   *                          color support by `process.stdout.isTTY`\n   *                          and `process.env.NODE_DISABLE_COLORS`.\n   *\n   * @example\n   * error.showSourceCode() //=> \"  4 | }\n   *                        //      5 | a {\n   *                        //    > 6 |   bad\n   *                        //        |   ^\n   *                        //      7 | }\n   *                        //      8 | b {\"\n   *\n   * @return {string} Few lines of CSS source that caused the error.\n   */\n  showSourceCode (color) {\n    if (!this.source) return ''\n\n    let css = this.source\n    if (terminalHighlight) {\n      if (typeof color === 'undefined') color = pico.isColorSupported\n      if (color) css = terminalHighlight(css)\n    }\n\n    let lines = css.split(/\\r?\\n/)\n    let start = Math.max(this.line - 3, 0)\n    let end = Math.min(this.line + 2, lines.length)\n\n    let maxWidth = String(end).length\n\n    function mark (text) {\n      if (color && pico.red) {\n        return pico.red(pico.bold(text))\n      }\n      return text\n    }\n    function aside (text) {\n      if (color && pico.gray) {\n        return pico.gray(text)\n      }\n      return text\n    }\n\n    return lines\n      .slice(start, end)\n      .map((line, index) => {\n        let number = start + 1 + index\n        let gutter = ' ' + (' ' + number).slice(-maxWidth) + ' | '\n        if (number === this.line) {\n          let spacing =\n            aside(gutter.replace(/\\d/g, ' ')) +\n            line.slice(0, this.column - 1).replace(/[^\\t]/g, ' ')\n          return mark('>') + aside(gutter) + line + '\\n ' + spacing + mark('^')\n        }\n        return ' ' + aside(gutter) + line\n      })\n      .join('\\n')\n  }\n\n  /**\n   * Returns error position, message and source code of the broken part.\n   *\n   * @example\n   * error.toString() //=> \"CssSyntaxError: app.css:1:1: Unclosed block\n   *                  //    > 1 | a {\n   *                  //        | ^\"\n   *\n   * @return {string} Error position, message and source code.\n   */\n  toString () {\n    let code = this.showSourceCode()\n    if (code) {\n      code = '\\n\\n' + code + '\\n'\n    }\n    return this.name + ': ' + this.message + code\n  }\n\n  /**\n   * @memberof CssSyntaxError#\n   * @member {Input} input Input object with PostCSS internal information\n   *                       about input file. If input has source map\n   *                       from previous tool, PostCSS will use origin\n   *                       (for example, Sass) source. You can use this\n   *                       object to get PostCSS input source.\n   *\n   * @example\n   * error.input.file //=> 'a.css'\n   * error.file       //=> 'a.sass'\n   */\n}\n\nexport default CssSyntaxError\n"],"file":"css-syntax-error.js"}


/***/ }),
/* 35 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;
var DEFAULT_RAW = {
  colon: ': ',
  indent: '    ',
  beforeDecl: '\n',
  beforeRule: '\n',
  beforeOpen: ' ',
  beforeClose: '\n',
  beforeComment: '\n',
  after: '\n',
  emptyBody: '',
  commentLeft: ' ',
  commentRight: ' ',
  semicolon: false
};

function capitalize(str) {
  return str[0].toUpperCase() + str.slice(1);
}

var Stringifier = /*#__PURE__*/function () {
  function Stringifier(builder) {
    this.builder = builder;
  }

  var _proto = Stringifier.prototype;

  _proto.stringify = function stringify(node, semicolon) {
    this[node.type](node, semicolon);
  };

  _proto.root = function root(node) {
    this.body(node);
    if (node.raws.after) this.builder(node.raws.after);
  };

  _proto.comment = function comment(node) {
    var left = this.raw(node, 'left', 'commentLeft');
    var right = this.raw(node, 'right', 'commentRight');
    this.builder('/*' + left + node.text + right + '*/', node);
  };

  _proto.decl = function decl(node, semicolon) {
    var between = this.raw(node, 'between', 'colon');
    var string = node.prop + between + this.rawValue(node, 'value');

    if (node.important) {
      string += node.raws.important || ' !important';
    }

    if (semicolon) string += ';';
    this.builder(string, node);
  };

  _proto.rule = function rule(node) {
    this.block(node, this.rawValue(node, 'selector'));

    if (node.raws.ownSemicolon) {
      this.builder(node.raws.ownSemicolon, node, 'end');
    }
  };

  _proto.atrule = function atrule(node, semicolon) {
    var name = '@' + node.name;
    var params = node.params ? this.rawValue(node, 'params') : '';

    if (typeof node.raws.afterName !== 'undefined') {
      name += node.raws.afterName;
    } else if (params) {
      name += ' ';
    }

    if (node.nodes) {
      this.block(node, name + params);
    } else {
      var end = (node.raws.between || '') + (semicolon ? ';' : '');
      this.builder(name + params + end, node);
    }
  };

  _proto.body = function body(node) {
    var last = node.nodes.length - 1;

    while (last > 0) {
      if (node.nodes[last].type !== 'comment') break;
      last -= 1;
    }

    var semicolon = this.raw(node, 'semicolon');

    for (var i = 0; i < node.nodes.length; i++) {
      var child = node.nodes[i];
      var before = this.raw(child, 'before');
      if (before) this.builder(before);
      this.stringify(child, last !== i || semicolon);
    }
  };

  _proto.block = function block(node, start) {
    var between = this.raw(node, 'between', 'beforeOpen');
    this.builder(start + between + '{', node, 'start');
    var after;

    if (node.nodes && node.nodes.length) {
      this.body(node);
      after = this.raw(node, 'after');
    } else {
      after = this.raw(node, 'after', 'emptyBody');
    }

    if (after) this.builder(after);
    this.builder('}', node, 'end');
  };

  _proto.raw = function raw(node, own, detect) {
    var value;
    if (!detect) detect = own; // Already had

    if (own) {
      value = node.raws[own];
      if (typeof value !== 'undefined') return value;
    }

    var parent = node.parent; // Hack for first rule in CSS

    if (detect === 'before') {
      if (!parent || parent.type === 'root' && parent.first === node) {
        return '';
      }
    } // Floating child without parent


    if (!parent) return DEFAULT_RAW[detect]; // Detect style by other nodes

    var root = node.root();
    if (!root.rawCache) root.rawCache = {};

    if (typeof root.rawCache[detect] !== 'undefined') {
      return root.rawCache[detect];
    }

    if (detect === 'before' || detect === 'after') {
      return this.beforeAfter(node, detect);
    } else {
      var method = 'raw' + capitalize(detect);

      if (this[method]) {
        value = this[method](root, node);
      } else {
        root.walk(function (i) {
          value = i.raws[own];
          if (typeof value !== 'undefined') return false;
        });
      }
    }

    if (typeof value === 'undefined') value = DEFAULT_RAW[detect];
    root.rawCache[detect] = value;
    return value;
  };

  _proto.rawSemicolon = function rawSemicolon(root) {
    var value;
    root.walk(function (i) {
      if (i.nodes && i.nodes.length && i.last.type === 'decl') {
        value = i.raws.semicolon;
        if (typeof value !== 'undefined') return false;
      }
    });
    return value;
  };

  _proto.rawEmptyBody = function rawEmptyBody(root) {
    var value;
    root.walk(function (i) {
      if (i.nodes && i.nodes.length === 0) {
        value = i.raws.after;
        if (typeof value !== 'undefined') return false;
      }
    });
    return value;
  };

  _proto.rawIndent = function rawIndent(root) {
    if (root.raws.indent) return root.raws.indent;
    var value;
    root.walk(function (i) {
      var p = i.parent;

      if (p && p !== root && p.parent && p.parent === root) {
        if (typeof i.raws.before !== 'undefined') {
          var parts = i.raws.before.split('\n');
          value = parts[parts.length - 1];
          value = value.replace(/[^\s]/g, '');
          return false;
        }
      }
    });
    return value;
  };

  _proto.rawBeforeComment = function rawBeforeComment(root, node) {
    var value;
    root.walkComments(function (i) {
      if (typeof i.raws.before !== 'undefined') {
        value = i.raws.before;

        if (value.indexOf('\n') !== -1) {
          value = value.replace(/[^\n]+$/, '');
        }

        return false;
      }
    });

    if (typeof value === 'undefined') {
      value = this.raw(node, null, 'beforeDecl');
    } else if (value) {
      value = value.replace(/[^\s]/g, '');
    }

    return value;
  };

  _proto.rawBeforeDecl = function rawBeforeDecl(root, node) {
    var value;
    root.walkDecls(function (i) {
      if (typeof i.raws.before !== 'undefined') {
        value = i.raws.before;

        if (value.indexOf('\n') !== -1) {
          value = value.replace(/[^\n]+$/, '');
        }

        return false;
      }
    });

    if (typeof value === 'undefined') {
      value = this.raw(node, null, 'beforeRule');
    } else if (value) {
      value = value.replace(/[^\s]/g, '');
    }

    return value;
  };

  _proto.rawBeforeRule = function rawBeforeRule(root) {
    var value;
    root.walk(function (i) {
      if (i.nodes && (i.parent !== root || root.first !== i)) {
        if (typeof i.raws.before !== 'undefined') {
          value = i.raws.before;

          if (value.indexOf('\n') !== -1) {
            value = value.replace(/[^\n]+$/, '');
          }

          return false;
        }
      }
    });
    if (value) value = value.replace(/[^\s]/g, '');
    return value;
  };

  _proto.rawBeforeClose = function rawBeforeClose(root) {
    var value;
    root.walk(function (i) {
      if (i.nodes && i.nodes.length > 0) {
        if (typeof i.raws.after !== 'undefined') {
          value = i.raws.after;

          if (value.indexOf('\n') !== -1) {
            value = value.replace(/[^\n]+$/, '');
          }

          return false;
        }
      }
    });
    if (value) value = value.replace(/[^\s]/g, '');
    return value;
  };

  _proto.rawBeforeOpen = function rawBeforeOpen(root) {
    var value;
    root.walk(function (i) {
      if (i.type !== 'decl') {
        value = i.raws.between;
        if (typeof value !== 'undefined') return false;
      }
    });
    return value;
  };

  _proto.rawColon = function rawColon(root) {
    var value;
    root.walkDecls(function (i) {
      if (typeof i.raws.between !== 'undefined') {
        value = i.raws.between.replace(/[^\s:]/g, '');
        return false;
      }
    });
    return value;
  };

  _proto.beforeAfter = function beforeAfter(node, detect) {
    var value;

    if (node.type === 'decl') {
      value = this.raw(node, null, 'beforeDecl');
    } else if (node.type === 'comment') {
      value = this.raw(node, null, 'beforeComment');
    } else if (detect === 'before') {
      value = this.raw(node, null, 'beforeRule');
    } else {
      value = this.raw(node, null, 'beforeClose');
    }

    var buf = node.parent;
    var depth = 0;

    while (buf && buf.type !== 'root') {
      depth += 1;
      buf = buf.parent;
    }

    if (value.indexOf('\n') !== -1) {
      var indent = this.raw(node, null, 'indent');

      if (indent.length) {
        for (var step = 0; step < depth; step++) {
          value += indent;
        }
      }
    }

    return value;
  };

  _proto.rawValue = function rawValue(node, prop) {
    var value = node[prop];
    var raw = node.raws[prop];

    if (raw && raw.value === value) {
      return raw.raw;
    }

    return value;
  };

  return Stringifier;
}();

var _default = Stringifier;
exports.default = _default;
module.exports = exports.default;
//# 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string += node.raws.important || ' !important'\n    }\n\n    if (semicolon) string += ';'\n    this.builder(string, node)\n  }\n\n  rule (node) {\n    this.block(node, this.rawValue(node, 'selector'))\n    if (node.raws.ownSemicolon) {\n      this.builder(node.raws.ownSemicolon, node, 'end')\n    }\n  }\n\n  atrule (node, semicolon) {\n    let name = '@' + node.name\n    let params = node.params ? this.rawValue(node, 'params') : ''\n\n    if (typeof node.raws.afterName !== 'undefined') {\n      name += node.raws.afterName\n    } else if (params) {\n      name += ' '\n    }\n\n    if (node.nodes) {\n      this.block(node, name + params)\n    } else {\n      let end = (node.raws.between || '') + (semicolon ? ';' : '')\n      this.builder(name + params + end, node)\n    }\n  }\n\n  body (node) {\n    let last = node.nodes.length - 1\n    while (last > 0) {\n      if (node.nodes[last].type !== 'comment') break\n      last -= 1\n    }\n\n    let semicolon = this.raw(node, 'semicolon')\n    for (let i = 0; i < node.nodes.length; i++) {\n      let child = node.nodes[i]\n      let before = this.raw(child, 'before')\n      if (before) this.builder(before)\n      this.stringify(child, last !== i || semicolon)\n    }\n  }\n\n  block (node, start) {\n    let between = this.raw(node, 'between', 'beforeOpen')\n    this.builder(start + between + '{', node, 'start')\n\n    let after\n    if (node.nodes && node.nodes.length) {\n      this.body(node)\n      after = this.raw(node, 'after')\n    } else {\n      after = this.raw(node, 'after', 'emptyBody')\n    }\n\n    if (after) this.builder(after)\n    this.builder('}', node, 'end')\n  }\n\n  raw (node, own, detect) {\n    let value\n    if (!detect) detect = own\n\n    // Already had\n    if (own) {\n      value = node.raws[own]\n      if (typeof value !== 'undefined') return value\n    }\n\n    let parent = node.parent\n\n    // Hack for first rule in CSS\n    if (detect === 'before') {\n      if (!parent || (parent.type === 'root' && parent.first === node)) {\n        return ''\n      }\n    }\n\n    // Floating child without parent\n    if (!parent) return DEFAULT_RAW[detect]\n\n    // Detect style by other nodes\n    let root = node.root()\n    if (!root.rawCache) root.rawCache = { }\n    if (typeof root.rawCache[detect] !== 'undefined') {\n      return root.rawCache[detect]\n    }\n\n    if (detect === 'before' || detect === 'after') {\n      return this.beforeAfter(node, detect)\n    } else {\n      let method = 'raw' + capitalize(detect)\n      if (this[method]) {\n        value = this[method](root, node)\n      } else {\n        root.walk(i => {\n          value = i.raws[own]\n          if (typeof value !== 'undefined') return false\n        })\n      }\n    }\n\n    if (typeof value === 'undefined') value = DEFAULT_RAW[detect]\n\n    root.rawCache[detect] = value\n    return value\n  }\n\n  rawSemicolon (root) {\n    let value\n    root.walk(i => {\n      if (i.nodes && i.nodes.length && i.last.type === 'decl') {\n        value = i.raws.semicolon\n        if (typeof value !== 'undefined') return false\n      }\n    })\n    return value\n  }\n\n  rawEmptyBody (root) {\n    let value\n    root.walk(i => {\n      if (i.nodes && i.nodes.length === 0) {\n        value = i.raws.after\n        if (typeof value !== 'undefined') return false\n      }\n    })\n    return value\n  }\n\n  rawIndent (root) {\n    if (root.raws.indent) return root.raws.indent\n    let value\n    root.walk(i => {\n      let p = i.parent\n      if (p && p !== root && p.parent && p.parent === root) {\n        if (typeof i.raws.before !== 'undefined') {\n          let parts = i.raws.before.split('\\n')\n          value = parts[parts.length - 1]\n          value = value.replace(/[^\\s]/g, '')\n          return false\n        }\n      }\n    })\n    return value\n  }\n\n  rawBeforeComment (root, node) {\n    let value\n    root.walkComments(i => {\n      if (typeof i.raws.before !== 'undefined') {\n        value = i.raws.before\n        if (value.indexOf('\\n') !== -1) {\n          value = value.replace(/[^\\n]+$/, '')\n        }\n        return false\n      }\n    })\n    if (typeof value === 'undefined') {\n      value = this.raw(node, null, 'beforeDecl')\n    } else if (value) {\n      value = value.replace(/[^\\s]/g, '')\n    }\n    return value\n  }\n\n  rawBeforeDecl (root, node) {\n    let value\n    root.walkDecls(i => {\n      if (typeof i.raws.before !== 'undefined') {\n        value = i.raws.before\n        if (value.indexOf('\\n') !== -1) {\n          value = value.replace(/[^\\n]+$/, '')\n        }\n        return false\n      }\n    })\n    if (typeof value === 'undefined') {\n      value = this.raw(node, null, 'beforeRule')\n    } else if (value) {\n      value = value.replace(/[^\\s]/g, '')\n    }\n    return value\n  }\n\n  rawBeforeRule (root) {\n    let value\n    root.walk(i => {\n      if (i.nodes && (i.parent !== root || root.first !== i)) {\n        if (typeof i.raws.before !== 'undefined') {\n          value = i.raws.before\n          if (value.indexOf('\\n') !== -1) {\n            value = value.replace(/[^\\n]+$/, '')\n          }\n          return false\n        }\n      }\n    })\n    if (value) value = value.replace(/[^\\s]/g, '')\n    return value\n  }\n\n  rawBeforeClose (root) {\n    let value\n    root.walk(i => {\n      if (i.nodes && i.nodes.length > 0) {\n        if (typeof i.raws.after !== 'undefined') {\n          value = i.raws.after\n          if (value.indexOf('\\n') !== -1) {\n            value = value.replace(/[^\\n]+$/, '')\n          }\n          return false\n        }\n      }\n    })\n    if (value) value = value.replace(/[^\\s]/g, '')\n    return value\n  }\n\n  rawBeforeOpen (root) {\n    let value\n    root.walk(i => {\n      if (i.type !== 'decl') {\n        value = i.raws.between\n        if (typeof value !== 'undefined') return false\n      }\n    })\n    return value\n  }\n\n  rawColon (root) {\n    let value\n    root.walkDecls(i => {\n      if (typeof i.raws.between !== 'undefined') {\n        value = i.raws.between.replace(/[^\\s:]/g, '')\n        return false\n      }\n    })\n    return value\n  }\n\n  beforeAfter (node, detect) {\n    let value\n    if (node.type === 'decl') {\n      value = this.raw(node, null, 'beforeDecl')\n    } else if (node.type === 'comment') {\n      value = this.raw(node, null, 'beforeComment')\n    } else if (detect === 'before') {\n      value = this.raw(node, null, 'beforeRule')\n    } else {\n      value = this.raw(node, null, 'beforeClose')\n    }\n\n    let buf = node.parent\n    let depth = 0\n    while (buf && buf.type !== 'root') {\n      depth += 1\n      buf = buf.parent\n    }\n\n    if (value.indexOf('\\n') !== -1) {\n      let indent = this.raw(node, null, 'indent')\n      if (indent.length) {\n        for (let step = 0; step < depth; step++) value += indent\n      }\n    }\n\n    return value\n  }\n\n  rawValue (node, prop) {\n    let value = node[prop]\n    let raw = node.raws[prop]\n    if (raw && raw.value === value) {\n      return raw.raw\n    }\n\n    return value\n  }\n}\n\nexport default Stringifier\n"],"file":"stringifier.js"}


/***/ }),
/* 36 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _lazyResult = _interopRequireDefault(__webpack_require__(37));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _createForOfIteratorHelperLoose(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; return function () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } it = o[Symbol.iterator](); return it.next.bind(it); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

/**
 * Contains plugins to process CSS. Create one `Processor` instance,
 * initialize its plugins, and then use that instance on numerous CSS files.
 *
 * @example
 * const processor = postcss([autoprefixer, precss])
 * processor.process(css1).then(result => console.log(result.css))
 * processor.process(css2).then(result => console.log(result.css))
 */
var Processor = /*#__PURE__*/function () {
  /**
   * @param {Array.<Plugin|pluginFunction>|Processor} plugins PostCSS plugins.
   *        See {@link Processor#use} for plugin format.
   */
  function Processor(plugins) {
    if (plugins === void 0) {
      plugins = [];
    }

    /**
     * Current PostCSS version.
     *
     * @type {string}
     *
     * @example
     * if (result.processor.version.split('.')[0] !== '6') {
     *   throw new Error('This plugin works only with PostCSS 6')
     * }
     */
    this.version = '7.0.39';
    /**
     * Plugins added to this processor.
     *
     * @type {pluginFunction[]}
     *
     * @example
     * const processor = postcss([autoprefixer, precss])
     * processor.plugins.length //=> 2
     */

    this.plugins = this.normalize(plugins);
  }
  /**
   * Adds a plugin to be used as a CSS processor.
   *
   * PostCSS plugin can be in 4 formats:
   * * A plugin created by {@link postcss.plugin} method.
   * * A function. PostCSS will pass the function a @{link Root}
   *   as the first argument and current {@link Result} instance
   *   as the second.
   * * An object with a `postcss` method. PostCSS will use that method
   *   as described in #2.
   * * Another {@link Processor} instance. PostCSS will copy plugins
   *   from that instance into this one.
   *
   * Plugins can also be added by passing them as arguments when creating
   * a `postcss` instance (see [`postcss(plugins)`]).
   *
   * Asynchronous plugins should return a `Promise` instance.
   *
   * @param {Plugin|pluginFunction|Processor} plugin PostCSS plugin
   *                                                 or {@link Processor}
   *                                                 with plugins.
   *
   * @example
   * const processor = postcss()
   *   .use(autoprefixer)
   *   .use(precss)
   *
   * @return {Processes} Current processor to make methods chain.
   */


  var _proto = Processor.prototype;

  _proto.use = function use(plugin) {
    this.plugins = this.plugins.concat(this.normalize([plugin]));
    return this;
  }
  /**
   * Parses source CSS and returns a {@link LazyResult} Promise proxy.
   * Because some plugins can be asynchronous it doesn’t make
   * any transformations. Transformations will be applied
   * in the {@link LazyResult} methods.
   *
   * @param {string|toString|Result} css String with input CSS or any object
   *                                     with a `toString()` method,
   *                                     like a Buffer. Optionally, send
   *                                     a {@link Result} instance
   *                                     and the processor will take
   *                                     the {@link Root} from it.
   * @param {processOptions} [opts]      Options.
   *
   * @return {LazyResult} Promise proxy.
   *
   * @example
   * processor.process(css, { from: 'a.css', to: 'a.out.css' })
   *   .then(result => {
   *      console.log(result.css)
   *   })
   */
  ;

  _proto.process = function (_process) {
    function process(_x) {
      return _process.apply(this, arguments);
    }

    process.toString = function () {
      return _process.toString();
    };

    return process;
  }(function (css, opts) {
    if (opts === void 0) {
      opts = {};
    }

    if (this.plugins.length === 0 && opts.parser === opts.stringifier) {
      if (false) {}
    }

    return new _lazyResult.default(this, css, opts);
  });

  _proto.normalize = function normalize(plugins) {
    var normalized = [];

    for (var _iterator = _createForOfIteratorHelperLoose(plugins), _step; !(_step = _iterator()).done;) {
      var i = _step.value;

      if (i.postcss === true) {
        var plugin = i();
        throw new Error('PostCSS plugin ' + plugin.postcssPlugin + ' requires PostCSS 8.\n' + 'Migration guide for end-users:\n' + 'https://github.com/postcss/postcss/wiki/PostCSS-8-for-end-users');
      }

      if (i.postcss) i = i.postcss;

      if (typeof i === 'object' && Array.isArray(i.plugins)) {
        normalized = normalized.concat(i.plugins);
      } else if (typeof i === 'function') {
        normalized.push(i);
      } else if (typeof i === 'object' && (i.parse || i.stringify)) {
        if (false) {}
      } else if (typeof i === 'object' && i.postcssPlugin) {
        throw new Error('PostCSS plugin ' + i.postcssPlugin + ' requires PostCSS 8.\n' + 'Migration guide for end-users:\n' + 'https://github.com/postcss/postcss/wiki/PostCSS-8-for-end-users');
      } else {
        throw new Error(i + ' is not a PostCSS plugin');
      }
    }

    return normalized;
  };

  return Processor;
}();

var _default = Processor;
/**
 * @callback builder
 * @param {string} part          Part of generated CSS connected to this node.
 * @param {Node}   node          AST node.
 * @param {"start"|"end"} [type] Node’s part type.
 */

/**
 * @callback parser
 *
 * @param {string|toString} css   String with input CSS or any object
 *                                with toString() method, like a Buffer.
 * @param {processOptions} [opts] Options with only `from` and `map` keys.
 *
 * @return {Root} PostCSS AST
 */

/**
 * @callback stringifier
 *
 * @param {Node} node       Start node for stringifing. Usually {@link Root}.
 * @param {builder} builder Function to concatenate CSS from node’s parts
 *                          or generate string and source map.
 *
 * @return {void}
 */

/**
 * @typedef {object} syntax
 * @property {parser} parse          Function to generate AST by string.
 * @property {stringifier} stringify Function to generate string by AST.
 */

/**
 * @typedef {object} toString
 * @property {function} toString
 */

/**
 * @callback pluginFunction
 * @param {Root} root     Parsed input CSS.
 * @param {Result} result Result to set warnings or check other plugins.
 */

/**
 * @typedef {object} Plugin
 * @property {function} postcss PostCSS plugin function.
 */

/**
 * @typedef {object} processOptions
 * @property {string} from             The path of the CSS source file.
 *                                     You should always set `from`,
 *                                     because it is used in source map
 *                                     generation and syntax error messages.
 * @property {string} to               The path where you’ll put the output
 *                                     CSS file. You should always set `to`
 *                                     to generate correct source maps.
 * @property {parser} parser           Function to generate AST by string.
 * @property {stringifier} stringifier Class to generate string by AST.
 * @property {syntax} syntax           Object with `parse` and `stringify`.
 * @property {object} map              Source map options.
 * @property {boolean} map.inline                    Does source map should
 *                                                   be embedded in the output
 *                                                   CSS as a base64-encoded
 *                                                   comment.
 * @property {string|object|false|function} map.prev Source map content
 *                                                   from a previous
 *                                                   processing step
 *                                                   (for example, Sass).
 *                                                   PostCSS will try to find
 *                                                   previous map automatically,
 *                                                   so you could disable it by
 *                                                   `false` value.
 * @property {boolean} map.sourcesContent            Does PostCSS should set
 *                                                   the origin content to map.
 * @property {string|false} map.annotation           Does PostCSS should set
 *                                                   annotation comment to map.
 * @property {string} map.from                       Override `from` in map’s
 *                                                   sources`.
 */

exports.default = _default;
module.exports = exports.default;
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Create one `Processor` instance,\n * initialize its plugins, and then use that instance on numerous CSS files.\n *\n * @example\n * const processor = postcss([autoprefixer, precss])\n * processor.process(css1).then(result => console.log(result.css))\n * processor.process(css2).then(result => console.log(result.css))\n */\nclass Processor {\n  /**\n   * @param {Array.<Plugin|pluginFunction>|Processor} plugins PostCSS plugins.\n   *        See {@link Processor#use} for plugin format.\n   */\n  constructor (plugins = []) {\n    /**\n     * Current PostCSS version.\n     *\n     * @type {string}\n     *\n     * @example\n     * if (result.processor.version.split('.')[0] !== '6') {\n     *   throw new Error('This plugin works only with PostCSS 6')\n     * }\n     */\n    this.version = '7.0.39'\n    /**\n     * Plugins added to this processor.\n     *\n     * @type {pluginFunction[]}\n     *\n     * @example\n     * const processor = postcss([autoprefixer, precss])\n     * processor.plugins.length //=> 2\n     */\n    this.plugins = this.normalize(plugins)\n  }\n\n  /**\n   * Adds a plugin to be used as a CSS processor.\n   *\n   * PostCSS plugin can be in 4 formats:\n   * * A plugin created by {@link postcss.plugin} method.\n   * * A function. PostCSS will pass the function a @{link Root}\n   *   as the first argument and current {@link Result} instance\n   *   as the second.\n   * * An object with a `postcss` method. PostCSS will use that method\n   *   as described in #2.\n   * * Another {@link Processor} instance. PostCSS will copy plugins\n   *   from that instance into this one.\n   *\n   * Plugins can also be added by passing them as arguments when creating\n   * a `postcss` instance (see [`postcss(plugins)`]).\n   *\n   * Asynchronous plugins should return a `Promise` instance.\n   *\n   * @param {Plugin|pluginFunction|Processor} plugin PostCSS plugin\n   *                                                 or {@link Processor}\n   *                                                 with plugins.\n   *\n   * @example\n   * const processor = postcss()\n   *   .use(autoprefixer)\n   *   .use(precss)\n   *\n   * @return {Processes} Current processor to make methods chain.\n   */\n  use (plugin) {\n    this.plugins = this.plugins.concat(this.normalize([plugin]))\n    return this\n  }\n\n  /**\n   * Parses source CSS and returns a {@link LazyResult} Promise proxy.\n   * Because some plugins can be asynchronous it doesn’t make\n   * any transformations. Transformations will be applied\n   * in the {@link LazyResult} methods.\n   *\n   * @param {string|toString|Result} css String with input CSS or any object\n   *                                     with a `toString()` method,\n   *                                     like a Buffer. Optionally, send\n   *                                     a {@link Result} instance\n   *                                     and the processor will take\n   *                                     the {@link Root} from it.\n   * @param {processOptions} [opts]      Options.\n   *\n   * @return {LazyResult} Promise proxy.\n   *\n   * @example\n   * processor.process(css, { from: 'a.css', to: 'a.out.css' })\n   *   .then(result => {\n   *      console.log(result.css)\n   *   })\n   */\n  process (css, opts = { }) {\n    if (this.plugins.length === 0 && opts.parser === opts.stringifier) {\n      if (process.env.NODE_ENV !== 'production') {\n        if (typeof console !== 'undefined' && console.warn) {\n          console.warn(\n            'You did not set any plugins, parser, or stringifier. ' +\n            'Right now, PostCSS does nothing. Pick plugins for your case ' +\n            'on https://www.postcss.parts/ and use them in postcss.config.js.'\n          )\n        }\n      }\n    }\n    return new LazyResult(this, css, opts)\n  }\n\n  normalize (plugins) {\n    let normalized = []\n    for (let i of plugins) {\n      if (i.postcss === true) {\n        let plugin = i()\n        throw new Error(\n          'PostCSS plugin ' + plugin.postcssPlugin + ' requires PostCSS 8.\\n' +\n          'Migration guide for end-users:\\n' +\n          'https://github.com/postcss/postcss/wiki/PostCSS-8-for-end-users'\n        )\n      }\n\n      if (i.postcss) i = i.postcss\n\n      if (typeof i === 'object' && Array.isArray(i.plugins)) {\n        normalized = normalized.concat(i.plugins)\n      } else if (typeof i === 'function') {\n        normalized.push(i)\n      } else if (typeof i === 'object' && (i.parse || i.stringify)) {\n        if (process.env.NODE_ENV !== 'production') {\n          throw new Error(\n            'PostCSS syntaxes cannot be used as plugins. Instead, please use ' +\n            'one of the syntax/parser/stringifier options as outlined ' +\n            'in your PostCSS runner documentation.'\n          )\n        }\n      } else if (typeof i === 'object' && i.postcssPlugin) {\n        throw new Error(\n          'PostCSS plugin ' + i.postcssPlugin + ' requires PostCSS 8.\\n' +\n          'Migration guide for end-users:\\n' +\n          'https://github.com/postcss/postcss/wiki/PostCSS-8-for-end-users'\n        )\n      } else {\n        throw new Error(i + ' is not a PostCSS plugin')\n      }\n    }\n    return normalized\n  }\n}\n\nexport default Processor\n\n/**\n * @callback builder\n * @param {string} part          Part of generated CSS connected to this node.\n * @param {Node}   node          AST node.\n * @param {\"start\"|\"end\"} [type] Node’s part type.\n */\n\n/**\n * @callback parser\n *\n * @param {string|toString} css   String with input CSS or any object\n *                                with toString() method, like a Buffer.\n * @param {processOptions} [opts] Options with only `from` and `map` keys.\n *\n * @return {Root} PostCSS AST\n */\n\n/**\n * @callback stringifier\n *\n * @param {Node} node       Start node for stringifing. Usually {@link Root}.\n * @param {builder} builder Function to concatenate CSS from node’s parts\n *                          or generate string and source map.\n *\n * @return {void}\n */\n\n/**\n * @typedef {object} syntax\n * @property {parser} parse          Function to generate AST by string.\n * @property {stringifier} stringify Function to generate string by AST.\n */\n\n/**\n * @typedef {object} toString\n * @property {function} toString\n */\n\n/**\n * @callback pluginFunction\n * @param {Root} root     Parsed input CSS.\n * @param {Result} result Result to set warnings or check other plugins.\n */\n\n/**\n * @typedef {object} Plugin\n * @property {function} postcss PostCSS plugin function.\n */\n\n/**\n * @typedef {object} processOptions\n * @property {string} from             The path of the CSS source file.\n *                                     You should always set `from`,\n *                                     because it is used in source map\n *                                     generation and syntax error messages.\n * @property {string} to               The path where you’ll put the output\n *                                     CSS file. You should always set `to`\n *                                     to generate correct source maps.\n * @property {parser} parser           Function to generate AST by string.\n * @property {stringifier} stringifier Class to generate string by AST.\n * @property {syntax} syntax           Object with `parse` and `stringify`.\n * @property {object} map              Source map options.\n * @property {boolean} map.inline                    Does source map should\n *                                                   be embedded in the output\n *                                                   CSS as a base64-encoded\n *                                                   comment.\n * @property {string|object|false|function} map.prev Source map content\n *                                                   from a previous\n *                                                   processing step\n *                                                   (for example, Sass).\n *                                                   PostCSS will try to find\n *                                                   previous map automatically,\n *                                                   so you could disable it by\n *                                                   `false` value.\n * @property {boolean} map.sourcesContent            Does PostCSS should set\n *                                                   the origin content to map.\n * @property {string|false} map.annotation           Does PostCSS should set\n *                                                   annotation comment to map.\n * @property {string} map.from                       Override `from` in map’s\n *                                                   sources`.\n */\n"],"file":"processor.js"}


/***/ }),
/* 37 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _mapGenerator = _interopRequireDefault(__webpack_require__(76));

var _stringify2 = _interopRequireDefault(__webpack_require__(17));

var _warnOnce = _interopRequireDefault(__webpack_require__(86));

var _result = _interopRequireDefault(__webpack_require__(87));

var _parse = _interopRequireDefault(__webpack_require__(18));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _createForOfIteratorHelperLoose(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; return function () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } it = o[Symbol.iterator](); return it.next.bind(it); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function isPromise(obj) {
  return typeof obj === 'object' && typeof obj.then === 'function';
}
/**
 * A Promise proxy for the result of PostCSS transformations.
 *
 * A `LazyResult` instance is returned by {@link Processor#process}.
 *
 * @example
 * const lazy = postcss([autoprefixer]).process(css)
 */


var LazyResult = /*#__PURE__*/function () {
  function LazyResult(processor, css, opts) {
    this.stringified = false;
    this.processed = false;
    var root;

    if (typeof css === 'object' && css !== null && css.type === 'root') {
      root = css;
    } else if (css instanceof LazyResult || css instanceof _result.default) {
      root = css.root;

      if (css.map) {
        if (typeof opts.map === 'undefined') opts.map = {};
        if (!opts.map.inline) opts.map.inline = false;
        opts.map.prev = css.map;
      }
    } else {
      var parser = _parse.default;
      if (opts.syntax) parser = opts.syntax.parse;
      if (opts.parser) parser = opts.parser;
      if (parser.parse) parser = parser.parse;

      try {
        root = parser(css, opts);
      } catch (error) {
        this.error = error;
      }
    }

    this.result = new _result.default(processor, root, opts);
  }
  /**
   * Returns a {@link Processor} instance, which will be used
   * for CSS transformations.
   *
   * @type {Processor}
   */


  var _proto = LazyResult.prototype;

  /**
   * Processes input CSS through synchronous plugins
   * and calls {@link Result#warnings()}.
   *
   * @return {Warning[]} Warnings from plugins.
   */
  _proto.warnings = function warnings() {
    return this.sync().warnings();
  }
  /**
   * Alias for the {@link LazyResult#css} property.
   *
   * @example
   * lazy + '' === lazy.css
   *
   * @return {string} Output CSS.
   */
  ;

  _proto.toString = function toString() {
    return this.css;
  }
  /**
   * Processes input CSS through synchronous and asynchronous plugins
   * and calls `onFulfilled` with a Result instance. If a plugin throws
   * an error, the `onRejected` callback will be executed.
   *
   * It implements standard Promise API.
   *
   * @param {onFulfilled} onFulfilled Callback will be executed
   *                                  when all plugins will finish work.
   * @param {onRejected}  onRejected  Callback will be executed on any error.
   *
   * @return {Promise} Promise API to make queue.
   *
   * @example
   * postcss([autoprefixer]).process(css, { from: cssPath }).then(result => {
   *   console.log(result.css)
   * })
   */
  ;

  _proto.then = function then(onFulfilled, onRejected) {
    if (false) {}

    return this.async().then(onFulfilled, onRejected);
  }
  /**
   * Processes input CSS through synchronous and asynchronous plugins
   * and calls onRejected for each error thrown in any plugin.
   *
   * It implements standard Promise API.
   *
   * @param {onRejected} onRejected Callback will be executed on any error.
   *
   * @return {Promise} Promise API to make queue.
   *
   * @example
   * postcss([autoprefixer]).process(css).then(result => {
   *   console.log(result.css)
   * }).catch(error => {
   *   console.error(error)
   * })
   */
  ;

  _proto.catch = function _catch(onRejected) {
    return this.async().catch(onRejected);
  }
  /**
   * Processes input CSS through synchronous and asynchronous plugins
   * and calls onFinally on any error or when all plugins will finish work.
   *
   * It implements standard Promise API.
   *
   * @param {onFinally} onFinally Callback will be executed on any error or
   *                              when all plugins will finish work.
   *
   * @return {Promise} Promise API to make queue.
   *
   * @example
   * postcss([autoprefixer]).process(css).finally(() => {
   *   console.log('processing ended')
   * })
   */
  ;

  _proto.finally = function _finally(onFinally) {
    return this.async().then(onFinally, onFinally);
  };

  _proto.handleError = function handleError(error, plugin) {
    try {
      this.error = error;

      if (error.name === 'CssSyntaxError' && !error.plugin) {
        error.plugin = plugin.postcssPlugin;
        error.setMessage();
      } else if (plugin.postcssVersion) {
        if (false) { var b, a, runtimeVer, pluginVer, pluginName; }
      }
    } catch (err) {
      if (console && console.error) console.error(err);
    }
  };

  _proto.asyncTick = function asyncTick(resolve, reject) {
    var _this = this;

    if (this.plugin >= this.processor.plugins.length) {
      this.processed = true;
      return resolve();
    }

    try {
      var plugin = this.processor.plugins[this.plugin];
      var promise = this.run(plugin);
      this.plugin += 1;

      if (isPromise(promise)) {
        promise.then(function () {
          _this.asyncTick(resolve, reject);
        }).catch(function (error) {
          _this.handleError(error, plugin);

          _this.processed = true;
          reject(error);
        });
      } else {
        this.asyncTick(resolve, reject);
      }
    } catch (error) {
      this.processed = true;
      reject(error);
    }
  };

  _proto.async = function async() {
    var _this2 = this;

    if (this.processed) {
      return new Promise(function (resolve, reject) {
        if (_this2.error) {
          reject(_this2.error);
        } else {
          resolve(_this2.stringify());
        }
      });
    }

    if (this.processing) {
      return this.processing;
    }

    this.processing = new Promise(function (resolve, reject) {
      if (_this2.error) return reject(_this2.error);
      _this2.plugin = 0;

      _this2.asyncTick(resolve, reject);
    }).then(function () {
      _this2.processed = true;
      return _this2.stringify();
    });
    return this.processing;
  };

  _proto.sync = function sync() {
    if (this.processed) return this.result;
    this.processed = true;

    if (this.processing) {
      throw new Error('Use process(css).then(cb) to work with async plugins');
    }

    if (this.error) throw this.error;

    for (var _iterator = _createForOfIteratorHelperLoose(this.result.processor.plugins), _step; !(_step = _iterator()).done;) {
      var plugin = _step.value;
      var promise = this.run(plugin);

      if (isPromise(promise)) {
        throw new Error('Use process(css).then(cb) to work with async plugins');
      }
    }

    return this.result;
  };

  _proto.run = function run(plugin) {
    this.result.lastPlugin = plugin;

    try {
      return plugin(this.result.root, this.result);
    } catch (error) {
      this.handleError(error, plugin);
      throw error;
    }
  };

  _proto.stringify = function stringify() {
    if (this.stringified) return this.result;
    this.stringified = true;
    this.sync();
    var opts = this.result.opts;
    var str = _stringify2.default;
    if (opts.syntax) str = opts.syntax.stringify;
    if (opts.stringifier) str = opts.stringifier;
    if (str.stringify) str = str.stringify;
    var map = new _mapGenerator.default(str, this.result.root, this.result.opts);
    var data = map.generate();
    this.result.css = data[0];
    this.result.map = data[1];
    return this.result;
  };

  _createClass(LazyResult, [{
    key: "processor",
    get: function get() {
      return this.result.processor;
    }
    /**
     * Options from the {@link Processor#process} call.
     *
     * @type {processOptions}
     */

  }, {
    key: "opts",
    get: function get() {
      return this.result.opts;
    }
    /**
     * Processes input CSS through synchronous plugins, converts `Root`
     * to a CSS string and returns {@link Result#css}.
     *
     * This property will only work with synchronous plugins.
     * If the processor contains any asynchronous plugins
     * it will throw an error. This is why this method is only
     * for debug purpose, you should always use {@link LazyResult#then}.
     *
     * @type {string}
     * @see Result#css
     */

  }, {
    key: "css",
    get: function get() {
      return this.stringify().css;
    }
    /**
     * An alias for the `css` property. Use it with syntaxes
     * that generate non-CSS output.
     *
     * This property will only work with synchronous plugins.
     * If the processor contains any asynchronous plugins
     * it will throw an error. This is why this method is only
     * for debug purpose, you should always use {@link LazyResult#then}.
     *
     * @type {string}
     * @see Result#content
     */

  }, {
    key: "content",
    get: function get() {
      return this.stringify().content;
    }
    /**
     * Processes input CSS through synchronous plugins
     * and returns {@link Result#map}.
     *
     * This property will only work with synchronous plugins.
     * If the processor contains any asynchronous plugins
     * it will throw an error. This is why this method is only
     * for debug purpose, you should always use {@link LazyResult#then}.
     *
     * @type {SourceMapGenerator}
     * @see Result#map
     */

  }, {
    key: "map",
    get: function get() {
      return this.stringify().map;
    }
    /**
     * Processes input CSS through synchronous plugins
     * and returns {@link Result#root}.
     *
     * This property will only work with synchronous plugins. If the processor
     * contains any asynchronous plugins it will throw an error.
     *
     * This is why this method is only for debug purpose,
     * you should always use {@link LazyResult#then}.
     *
     * @type {Root}
     * @see Result#root
     */

  }, {
    key: "root",
    get: function get() {
      return this.sync().root;
    }
    /**
     * Processes input CSS through synchronous plugins
     * and returns {@link Result#messages}.
     *
     * This property will only work with synchronous plugins. If the processor
     * contains any asynchronous plugins it will throw an error.
     *
     * This is why this method is only for debug purpose,
     * you should always use {@link LazyResult#then}.
     *
     * @type {Message[]}
     * @see Result#messages
     */

  }, {
    key: "messages",
    get: function get() {
      return this.sync().messages;
    }
  }]);

  return LazyResult;
}();

var _default = LazyResult;
/**
 * @callback onFulfilled
 * @param {Result} result
 */

/**
 * @callback onRejected
 * @param {Error} error
 */

exports.default = _default;
module.exports = exports.default;
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MapGenerator from './map-generator'\nimport stringify from './stringify'\nimport warnOnce from './warn-once'\nimport Result from './result'\nimport parse from './parse'\n\nfunction isPromise (obj) {\n  return typeof obj === 'object' && typeof obj.then === 'function'\n}\n\n/**\n * A Promise proxy for the result of PostCSS transformations.\n *\n * A `LazyResult` instance is returned by {@link Processor#process}.\n *\n * @example\n * const lazy = postcss([autoprefixer]).process(css)\n */\nclass LazyResult {\n  constructor (processor, css, opts) {\n    this.stringified = false\n    this.processed = false\n\n    let root\n    if (typeof css === 'object' && css !== null && css.type === 'root') {\n      root = css\n    } else if (css instanceof LazyResult || css instanceof Result) {\n      root = css.root\n      if (css.map) {\n        if (typeof opts.map === 'undefined') opts.map = { }\n        if (!opts.map.inline) opts.map.inline = false\n        opts.map.prev = css.map\n      }\n    } else {\n      let parser = parse\n      if (opts.syntax) parser = opts.syntax.parse\n      if (opts.parser) parser = opts.parser\n      if (parser.parse) parser = parser.parse\n\n      try {\n        root = parser(css, opts)\n      } catch (error) {\n        this.error = error\n      }\n    }\n\n    this.result = new Result(processor, root, opts)\n  }\n\n  /**\n   * Returns a {@link Processor} instance, which will be used\n   * for CSS transformations.\n   *\n   * @type {Processor}\n   */\n  get processor () {\n    return this.result.processor\n  }\n\n  /**\n   * Options from the {@link Processor#process} call.\n   *\n   * @type {processOptions}\n   */\n  get opts () {\n    return this.result.opts\n  }\n\n  /**\n   * Processes input CSS through synchronous plugins, converts `Root`\n   * to a CSS string and returns {@link Result#css}.\n   *\n   * This property will only work with synchronous plugins.\n   * If the processor contains any asynchronous plugins\n   * it will throw an error. This is why this method is only\n   * for debug purpose, you should always use {@link LazyResult#then}.\n   *\n   * @type {string}\n   * @see Result#css\n   */\n  get css () {\n    return this.stringify().css\n  }\n\n  /**\n   * An alias for the `css` property. Use it with syntaxes\n   * that generate non-CSS output.\n   *\n   * This property will only work with synchronous plugins.\n   * If the processor contains any asynchronous plugins\n   * it will throw an error. This is why this method is only\n   * for debug purpose, you should always use {@link LazyResult#then}.\n   *\n   * @type {string}\n   * @see Result#content\n   */\n  get content () {\n    return this.stringify().content\n  }\n\n  /**\n   * Processes input CSS through synchronous plugins\n   * and returns {@link Result#map}.\n   *\n   * This property will only work with synchronous plugins.\n   * If the processor contains any asynchronous plugins\n   * it will throw an error. This is why this method is only\n   * for debug purpose, you should always use {@link LazyResult#then}.\n   *\n   * @type {SourceMapGenerator}\n   * @see Result#map\n   */\n  get map () {\n    return this.stringify().map\n  }\n\n  /**\n   * Processes input CSS through synchronous plugins\n   * and returns {@link Result#root}.\n   *\n   * This property will only work with synchronous plugins. If the processor\n   * contains any asynchronous plugins it will throw an error.\n   *\n   * This is why this method is only for debug purpose,\n   * you should always use {@link LazyResult#then}.\n   *\n   * @type {Root}\n   * @see Result#root\n   */\n  get root () {\n    return this.sync().root\n  }\n\n  /**\n   * Processes input CSS through synchronous plugins\n   * and returns {@link Result#messages}.\n   *\n   * This property will only work with synchronous plugins. If the processor\n   * contains any asynchronous plugins it will throw an error.\n   *\n   * This is why this method is only for debug purpose,\n   * you should always use {@link LazyResult#then}.\n   *\n   * @type {Message[]}\n   * @see Result#messages\n   */\n  get messages () {\n    return this.sync().messages\n  }\n\n  /**\n   * Processes input CSS through synchronous plugins\n   * and calls {@link Result#warnings()}.\n   *\n   * @return {Warning[]} Warnings from plugins.\n   */\n  warnings () {\n    return this.sync().warnings()\n  }\n\n  /**\n   * Alias for the {@link LazyResult#css} property.\n   *\n   * @example\n   * lazy + '' === lazy.css\n   *\n   * @return {string} Output CSS.\n   */\n  toString () {\n    return this.css\n  }\n\n  /**\n   * Processes input CSS through synchronous and asynchronous plugins\n   * and calls `onFulfilled` with a Result instance. If a plugin throws\n   * an error, the `onRejected` callback will be executed.\n   *\n   * It implements standard Promise API.\n   *\n   * @param {onFulfilled} onFulfilled Callback will be executed\n   *                                  when all plugins will finish work.\n   * @param {onRejected}  onRejected  Callback will be executed on any error.\n   *\n   * @return {Promise} Promise API to make queue.\n   *\n   * @example\n   * postcss([autoprefixer]).process(css, { from: cssPath }).then(result => {\n   *   console.log(result.css)\n   * })\n   */\n  then (onFulfilled, onRejected) {\n    if (process.env.NODE_ENV !== 'production') {\n      if (!('from' in this.opts)) {\n        warnOnce(\n          'Without `from` option PostCSS could generate wrong source map ' +\n          'and will not find Browserslist config. Set it to CSS file path ' +\n          'or to `undefined` to prevent this warning.'\n        )\n      }\n    }\n    return this.async().then(onFulfilled, onRejected)\n  }\n\n  /**\n   * Processes input CSS through synchronous and asynchronous plugins\n   * and calls onRejected for each error thrown in any plugin.\n   *\n   * It implements standard Promise API.\n   *\n   * @param {onRejected} onRejected Callback will be executed on any error.\n   *\n   * @return {Promise} Promise API to make queue.\n   *\n   * @example\n   * postcss([autoprefixer]).process(css).then(result => {\n   *   console.log(result.css)\n   * }).catch(error => {\n   *   console.error(error)\n   * })\n   */\n  catch (onRejected) {\n    return this.async().catch(onRejected)\n  }\n  /**\n   * Processes input CSS through synchronous and asynchronous plugins\n   * and calls onFinally on any error or when all plugins will finish work.\n   *\n   * It implements standard Promise API.\n   *\n   * @param {onFinally} onFinally Callback will be executed on any error or\n   *                              when all plugins will finish work.\n   *\n   * @return {Promise} Promise API to make queue.\n   *\n   * @example\n   * postcss([autoprefixer]).process(css).finally(() => {\n   *   console.log('processing ended')\n   * })\n   */\n  finally (onFinally) {\n    return this.async().then(onFinally, onFinally)\n  }\n\n  handleError (error, plugin) {\n    try {\n      this.error = error\n      if (error.name === 'CssSyntaxError' && !error.plugin) {\n        error.plugin = plugin.postcssPlugin\n        error.setMessage()\n      } else if (plugin.postcssVersion) {\n        if (process.env.NODE_ENV !== 'production') {\n          let pluginName = plugin.postcssPlugin\n          let pluginVer = plugin.postcssVersion\n          let runtimeVer = this.result.processor.version\n          let a = pluginVer.split('.')\n          let b = runtimeVer.split('.')\n\n          if (a[0] !== b[0] || parseInt(a[1]) > parseInt(b[1])) {\n            console.error(\n              'Unknown error from PostCSS plugin. Your current PostCSS ' +\n              'version is ' + runtimeVer + ', but ' + pluginName + ' uses ' +\n              pluginVer + '. Perhaps this is the source of the error below.'\n            )\n          }\n        }\n      }\n    } catch (err) {\n      if (console && console.error) console.error(err)\n    }\n  }\n\n  asyncTick (resolve, reject) {\n    if (this.plugin >= this.processor.plugins.length) {\n      this.processed = true\n      return resolve()\n    }\n\n    try {\n      let plugin = this.processor.plugins[this.plugin]\n      let promise = this.run(plugin)\n      this.plugin += 1\n\n      if (isPromise(promise)) {\n        promise.then(() => {\n          this.asyncTick(resolve, reject)\n        }).catch(error => {\n          this.handleError(error, plugin)\n          this.processed = true\n          reject(error)\n        })\n      } else {\n        this.asyncTick(resolve, reject)\n      }\n    } catch (error) {\n      this.processed = true\n      reject(error)\n    }\n  }\n\n  async () {\n    if (this.processed) {\n      return new Promise((resolve, reject) => {\n        if (this.error) {\n          reject(this.error)\n        } else {\n          resolve(this.stringify())\n        }\n      })\n    }\n    if (this.processing) {\n      return this.processing\n    }\n\n    this.processing = new Promise((resolve, reject) => {\n      if (this.error) return reject(this.error)\n      this.plugin = 0\n      this.asyncTick(resolve, reject)\n    }).then(() => {\n      this.processed = true\n      return this.stringify()\n    })\n\n    return this.processing\n  }\n\n  sync () {\n    if (this.processed) return this.result\n    this.processed = true\n\n    if (this.processing) {\n      throw new Error(\n        'Use process(css).then(cb) to work with async plugins')\n    }\n\n    if (this.error) throw this.error\n\n    for (let plugin of this.result.processor.plugins) {\n      let promise = this.run(plugin)\n      if (isPromise(promise)) {\n        throw new Error(\n          'Use process(css).then(cb) to work with async plugins')\n      }\n    }\n\n    return this.result\n  }\n\n  run (plugin) {\n    this.result.lastPlugin = plugin\n\n    try {\n      return plugin(this.result.root, this.result)\n    } catch (error) {\n      this.handleError(error, plugin)\n      throw error\n    }\n  }\n\n  stringify () {\n    if (this.stringified) return this.result\n    this.stringified = true\n\n    this.sync()\n\n    let opts = this.result.opts\n    let str = stringify\n    if (opts.syntax) str = opts.syntax.stringify\n    if (opts.stringifier) str = opts.stringifier\n    if (str.stringify) str = str.stringify\n\n    let map = new MapGenerator(str, this.result.root, this.result.opts)\n    let data = map.generate()\n    this.result.css = data[0]\n    this.result.map = data[1]\n\n    return this.result\n  }\n}\n\nexport default LazyResult\n\n/**\n * @callback onFulfilled\n * @param {Result} result\n */\n\n/**\n * @callback onRejected\n * @param {Error} error\n */\n"],"file":"lazy-result.js"}


/***/ }),
/* 38 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";
/* WEBPACK VAR INJECTION */(function(global) {/*!
 * The buffer module from node.js, for the browser.
 *
 * @author   Feross Aboukhadijeh <http://feross.org>
 * @license  MIT
 */
/* eslint-disable no-proto */



var base64 = __webpack_require__(77)
var ieee754 = __webpack_require__(78)
var isArray = __webpack_require__(79)

exports.Buffer = Buffer
exports.SlowBuffer = SlowBuffer
exports.INSPECT_MAX_BYTES = 50

/**
 * If `Buffer.TYPED_ARRAY_SUPPORT`:
 *   === true    Use Uint8Array implementation (fastest)
 *   === false   Use Object implementation (most compatible, even IE6)
 *
 * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
 * Opera 11.6+, iOS 4.2+.
 *
 * Due to various browser bugs, sometimes the Object implementation will be used even
 * when the browser supports typed arrays.
 *
 * Note:
 *
 *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
 *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
 *
 *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
 *
 *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
 *     incorrect length in some situations.

 * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
 * get the Object implementation, which is slower but behaves correctly.
 */
Buffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined
  ? global.TYPED_ARRAY_SUPPORT
  : typedArraySupport()

/*
 * Export kMaxLength after typed array support is determined.
 */
exports.kMaxLength = kMaxLength()

function typedArraySupport () {
  try {
    var arr = new Uint8Array(1)
    arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}
    return arr.foo() === 42 && // typed array instances can be augmented
        typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
        arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
  } catch (e) {
    return false
  }
}

function kMaxLength () {
  return Buffer.TYPED_ARRAY_SUPPORT
    ? 0x7fffffff
    : 0x3fffffff
}

function createBuffer (that, length) {
  if (kMaxLength() < length) {
    throw new RangeError('Invalid typed array length')
  }
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    // Return an augmented `Uint8Array` instance, for best performance
    that = new Uint8Array(length)
    that.__proto__ = Buffer.prototype
  } else {
    // Fallback: Return an object instance of the Buffer class
    if (that === null) {
      that = new Buffer(length)
    }
    that.length = length
  }

  return that
}

/**
 * The Buffer constructor returns instances of `Uint8Array` that have their
 * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
 * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
 * and the `Uint8Array` methods. Square bracket notation works as expected -- it
 * returns a single octet.
 *
 * The `Uint8Array` prototype remains unmodified.
 */

function Buffer (arg, encodingOrOffset, length) {
  if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {
    return new Buffer(arg, encodingOrOffset, length)
  }

  // Common case.
  if (typeof arg === 'number') {
    if (typeof encodingOrOffset === 'string') {
      throw new Error(
        'If encoding is specified then the first argument must be a string'
      )
    }
    return allocUnsafe(this, arg)
  }
  return from(this, arg, encodingOrOffset, length)
}

Buffer.poolSize = 8192 // not used by this implementation

// TODO: Legacy, not needed anymore. Remove in next major version.
Buffer._augment = function (arr) {
  arr.__proto__ = Buffer.prototype
  return arr
}

function from (that, value, encodingOrOffset, length) {
  if (typeof value === 'number') {
    throw new TypeError('"value" argument must not be a number')
  }

  if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
    return fromArrayBuffer(that, value, encodingOrOffset, length)
  }

  if (typeof value === 'string') {
    return fromString(that, value, encodingOrOffset)
  }

  return fromObject(that, value)
}

/**
 * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
 * if value is a number.
 * Buffer.from(str[, encoding])
 * Buffer.from(array)
 * Buffer.from(buffer)
 * Buffer.from(arrayBuffer[, byteOffset[, length]])
 **/
Buffer.from = function (value, encodingOrOffset, length) {
  return from(null, value, encodingOrOffset, length)
}

if (Buffer.TYPED_ARRAY_SUPPORT) {
  Buffer.prototype.__proto__ = Uint8Array.prototype
  Buffer.__proto__ = Uint8Array
  if (typeof Symbol !== 'undefined' && Symbol.species &&
      Buffer[Symbol.species] === Buffer) {
    // Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
    Object.defineProperty(Buffer, Symbol.species, {
      value: null,
      configurable: true
    })
  }
}

function assertSize (size) {
  if (typeof size !== 'number') {
    throw new TypeError('"size" argument must be a number')
  } else if (size < 0) {
    throw new RangeError('"size" argument must not be negative')
  }
}

function alloc (that, size, fill, encoding) {
  assertSize(size)
  if (size <= 0) {
    return createBuffer(that, size)
  }
  if (fill !== undefined) {
    // Only pay attention to encoding if it's a string. This
    // prevents accidentally sending in a number that would
    // be interpretted as a start offset.
    return typeof encoding === 'string'
      ? createBuffer(that, size).fill(fill, encoding)
      : createBuffer(that, size).fill(fill)
  }
  return createBuffer(that, size)
}

/**
 * Creates a new filled Buffer instance.
 * alloc(size[, fill[, encoding]])
 **/
Buffer.alloc = function (size, fill, encoding) {
  return alloc(null, size, fill, encoding)
}

function allocUnsafe (that, size) {
  assertSize(size)
  that = createBuffer(that, size < 0 ? 0 : checked(size) | 0)
  if (!Buffer.TYPED_ARRAY_SUPPORT) {
    for (var i = 0; i < size; ++i) {
      that[i] = 0
    }
  }
  return that
}

/**
 * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
 * */
Buffer.allocUnsafe = function (size) {
  return allocUnsafe(null, size)
}
/**
 * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
 */
Buffer.allocUnsafeSlow = function (size) {
  return allocUnsafe(null, size)
}

function fromString (that, string, encoding) {
  if (typeof encoding !== 'string' || encoding === '') {
    encoding = 'utf8'
  }

  if (!Buffer.isEncoding(encoding)) {
    throw new TypeError('"encoding" must be a valid string encoding')
  }

  var length = byteLength(string, encoding) | 0
  that = createBuffer(that, length)

  var actual = that.write(string, encoding)

  if (actual !== length) {
    // Writing a hex string, for example, that contains invalid characters will
    // cause everything after the first invalid character to be ignored. (e.g.
    // 'abxxcd' will be treated as 'ab')
    that = that.slice(0, actual)
  }

  return that
}

function fromArrayLike (that, array) {
  var length = array.length < 0 ? 0 : checked(array.length) | 0
  that = createBuffer(that, length)
  for (var i = 0; i < length; i += 1) {
    that[i] = array[i] & 255
  }
  return that
}

function fromArrayBuffer (that, array, byteOffset, length) {
  array.byteLength // this throws if `array` is not a valid ArrayBuffer

  if (byteOffset < 0 || array.byteLength < byteOffset) {
    throw new RangeError('\'offset\' is out of bounds')
  }

  if (array.byteLength < byteOffset + (length || 0)) {
    throw new RangeError('\'length\' is out of bounds')
  }

  if (byteOffset === undefined && length === undefined) {
    array = new Uint8Array(array)
  } else if (length === undefined) {
    array = new Uint8Array(array, byteOffset)
  } else {
    array = new Uint8Array(array, byteOffset, length)
  }

  if (Buffer.TYPED_ARRAY_SUPPORT) {
    // Return an augmented `Uint8Array` instance, for best performance
    that = array
    that.__proto__ = Buffer.prototype
  } else {
    // Fallback: Return an object instance of the Buffer class
    that = fromArrayLike(that, array)
  }
  return that
}

function fromObject (that, obj) {
  if (Buffer.isBuffer(obj)) {
    var len = checked(obj.length) | 0
    that = createBuffer(that, len)

    if (that.length === 0) {
      return that
    }

    obj.copy(that, 0, 0, len)
    return that
  }

  if (obj) {
    if ((typeof ArrayBuffer !== 'undefined' &&
        obj.buffer instanceof ArrayBuffer) || 'length' in obj) {
      if (typeof obj.length !== 'number' || isnan(obj.length)) {
        return createBuffer(that, 0)
      }
      return fromArrayLike(that, obj)
    }

    if (obj.type === 'Buffer' && isArray(obj.data)) {
      return fromArrayLike(that, obj.data)
    }
  }

  throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
}

function checked (length) {
  // Note: cannot use `length < kMaxLength()` here because that fails when
  // length is NaN (which is otherwise coerced to zero.)
  if (length >= kMaxLength()) {
    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
                         'size: 0x' + kMaxLength().toString(16) + ' bytes')
  }
  return length | 0
}

function SlowBuffer (length) {
  if (+length != length) { // eslint-disable-line eqeqeq
    length = 0
  }
  return Buffer.alloc(+length)
}

Buffer.isBuffer = function isBuffer (b) {
  return !!(b != null && b._isBuffer)
}

Buffer.compare = function compare (a, b) {
  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
    throw new TypeError('Arguments must be Buffers')
  }

  if (a === b) return 0

  var x = a.length
  var y = b.length

  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
    if (a[i] !== b[i]) {
      x = a[i]
      y = b[i]
      break
    }
  }

  if (x < y) return -1
  if (y < x) return 1
  return 0
}

Buffer.isEncoding = function isEncoding (encoding) {
  switch (String(encoding).toLowerCase()) {
    case 'hex':
    case 'utf8':
    case 'utf-8':
    case 'ascii':
    case 'latin1':
    case 'binary':
    case 'base64':
    case 'ucs2':
    case 'ucs-2':
    case 'utf16le':
    case 'utf-16le':
      return true
    default:
      return false
  }
}

Buffer.concat = function concat (list, length) {
  if (!isArray(list)) {
    throw new TypeError('"list" argument must be an Array of Buffers')
  }

  if (list.length === 0) {
    return Buffer.alloc(0)
  }

  var i
  if (length === undefined) {
    length = 0
    for (i = 0; i < list.length; ++i) {
      length += list[i].length
    }
  }

  var buffer = Buffer.allocUnsafe(length)
  var pos = 0
  for (i = 0; i < list.length; ++i) {
    var buf = list[i]
    if (!Buffer.isBuffer(buf)) {
      throw new TypeError('"list" argument must be an Array of Buffers')
    }
    buf.copy(buffer, pos)
    pos += buf.length
  }
  return buffer
}

function byteLength (string, encoding) {
  if (Buffer.isBuffer(string)) {
    return string.length
  }
  if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&
      (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
    return string.byteLength
  }
  if (typeof string !== 'string') {
    string = '' + string
  }

  var len = string.length
  if (len === 0) return 0

  // Use a for loop to avoid recursion
  var loweredCase = false
  for (;;) {
    switch (encoding) {
      case 'ascii':
      case 'latin1':
      case 'binary':
        return len
      case 'utf8':
      case 'utf-8':
      case undefined:
        return utf8ToBytes(string).length
      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return len * 2
      case 'hex':
        return len >>> 1
      case 'base64':
        return base64ToBytes(string).length
      default:
        if (loweredCase) return utf8ToBytes(string).length // assume utf8
        encoding = ('' + encoding).toLowerCase()
        loweredCase = true
    }
  }
}
Buffer.byteLength = byteLength

function slowToString (encoding, start, end) {
  var loweredCase = false

  // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
  // property of a typed array.

  // This behaves neither like String nor Uint8Array in that we set start/end
  // to their upper/lower bounds if the value passed is out of range.
  // undefined is handled specially as per ECMA-262 6th Edition,
  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
  if (start === undefined || start < 0) {
    start = 0
  }
  // Return early if start > this.length. Done here to prevent potential uint32
  // coercion fail below.
  if (start > this.length) {
    return ''
  }

  if (end === undefined || end > this.length) {
    end = this.length
  }

  if (end <= 0) {
    return ''
  }

  // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
  end >>>= 0
  start >>>= 0

  if (end <= start) {
    return ''
  }

  if (!encoding) encoding = 'utf8'

  while (true) {
    switch (encoding) {
      case 'hex':
        return hexSlice(this, start, end)

      case 'utf8':
      case 'utf-8':
        return utf8Slice(this, start, end)

      case 'ascii':
        return asciiSlice(this, start, end)

      case 'latin1':
      case 'binary':
        return latin1Slice(this, start, end)

      case 'base64':
        return base64Slice(this, start, end)

      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return utf16leSlice(this, start, end)

      default:
        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
        encoding = (encoding + '').toLowerCase()
        loweredCase = true
    }
  }
}

// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
// Buffer instances.
Buffer.prototype._isBuffer = true

function swap (b, n, m) {
  var i = b[n]
  b[n] = b[m]
  b[m] = i
}

Buffer.prototype.swap16 = function swap16 () {
  var len = this.length
  if (len % 2 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 16-bits')
  }
  for (var i = 0; i < len; i += 2) {
    swap(this, i, i + 1)
  }
  return this
}

Buffer.prototype.swap32 = function swap32 () {
  var len = this.length
  if (len % 4 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 32-bits')
  }
  for (var i = 0; i < len; i += 4) {
    swap(this, i, i + 3)
    swap(this, i + 1, i + 2)
  }
  return this
}

Buffer.prototype.swap64 = function swap64 () {
  var len = this.length
  if (len % 8 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 64-bits')
  }
  for (var i = 0; i < len; i += 8) {
    swap(this, i, i + 7)
    swap(this, i + 1, i + 6)
    swap(this, i + 2, i + 5)
    swap(this, i + 3, i + 4)
  }
  return this
}

Buffer.prototype.toString = function toString () {
  var length = this.length | 0
  if (length === 0) return ''
  if (arguments.length === 0) return utf8Slice(this, 0, length)
  return slowToString.apply(this, arguments)
}

Buffer.prototype.equals = function equals (b) {
  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
  if (this === b) return true
  return Buffer.compare(this, b) === 0
}

Buffer.prototype.inspect = function inspect () {
  var str = ''
  var max = exports.INSPECT_MAX_BYTES
  if (this.length > 0) {
    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
    if (this.length > max) str += ' ... '
  }
  return '<Buffer ' + str + '>'
}

Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
  if (!Buffer.isBuffer(target)) {
    throw new TypeError('Argument must be a Buffer')
  }

  if (start === undefined) {
    start = 0
  }
  if (end === undefined) {
    end = target ? target.length : 0
  }
  if (thisStart === undefined) {
    thisStart = 0
  }
  if (thisEnd === undefined) {
    thisEnd = this.length
  }

  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
    throw new RangeError('out of range index')
  }

  if (thisStart >= thisEnd && start >= end) {
    return 0
  }
  if (thisStart >= thisEnd) {
    return -1
  }
  if (start >= end) {
    return 1
  }

  start >>>= 0
  end >>>= 0
  thisStart >>>= 0
  thisEnd >>>= 0

  if (this === target) return 0

  var x = thisEnd - thisStart
  var y = end - start
  var len = Math.min(x, y)

  var thisCopy = this.slice(thisStart, thisEnd)
  var targetCopy = target.slice(start, end)

  for (var i = 0; i < len; ++i) {
    if (thisCopy[i] !== targetCopy[i]) {
      x = thisCopy[i]
      y = targetCopy[i]
      break
    }
  }

  if (x < y) return -1
  if (y < x) return 1
  return 0
}

// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
//
// Arguments:
// - buffer - a Buffer to search
// - val - a string, Buffer, or number
// - byteOffset - an index into `buffer`; will be clamped to an int32
// - encoding - an optional encoding, relevant is val is a string
// - dir - true for indexOf, false for lastIndexOf
function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
  // Empty buffer means no match
  if (buffer.length === 0) return -1

  // Normalize byteOffset
  if (typeof byteOffset === 'string') {
    encoding = byteOffset
    byteOffset = 0
  } else if (byteOffset > 0x7fffffff) {
    byteOffset = 0x7fffffff
  } else if (byteOffset < -0x80000000) {
    byteOffset = -0x80000000
  }
  byteOffset = +byteOffset  // Coerce to Number.
  if (isNaN(byteOffset)) {
    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
    byteOffset = dir ? 0 : (buffer.length - 1)
  }

  // Normalize byteOffset: negative offsets start from the end of the buffer
  if (byteOffset < 0) byteOffset = buffer.length + byteOffset
  if (byteOffset >= buffer.length) {
    if (dir) return -1
    else byteOffset = buffer.length - 1
  } else if (byteOffset < 0) {
    if (dir) byteOffset = 0
    else return -1
  }

  // Normalize val
  if (typeof val === 'string') {
    val = Buffer.from(val, encoding)
  }

  // Finally, search either indexOf (if dir is true) or lastIndexOf
  if (Buffer.isBuffer(val)) {
    // Special case: looking for empty string/buffer always fails
    if (val.length === 0) {
      return -1
    }
    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
  } else if (typeof val === 'number') {
    val = val & 0xFF // Search for a byte value [0-255]
    if (Buffer.TYPED_ARRAY_SUPPORT &&
        typeof Uint8Array.prototype.indexOf === 'function') {
      if (dir) {
        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
      } else {
        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
      }
    }
    return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
  }

  throw new TypeError('val must be string, number or Buffer')
}

function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
  var indexSize = 1
  var arrLength = arr.length
  var valLength = val.length

  if (encoding !== undefined) {
    encoding = String(encoding).toLowerCase()
    if (encoding === 'ucs2' || encoding === 'ucs-2' ||
        encoding === 'utf16le' || encoding === 'utf-16le') {
      if (arr.length < 2 || val.length < 2) {
        return -1
      }
      indexSize = 2
      arrLength /= 2
      valLength /= 2
      byteOffset /= 2
    }
  }

  function read (buf, i) {
    if (indexSize === 1) {
      return buf[i]
    } else {
      return buf.readUInt16BE(i * indexSize)
    }
  }

  var i
  if (dir) {
    var foundIndex = -1
    for (i = byteOffset; i < arrLength; i++) {
      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
        if (foundIndex === -1) foundIndex = i
        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
      } else {
        if (foundIndex !== -1) i -= i - foundIndex
        foundIndex = -1
      }
    }
  } else {
    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
    for (i = byteOffset; i >= 0; i--) {
      var found = true
      for (var j = 0; j < valLength; j++) {
        if (read(arr, i + j) !== read(val, j)) {
          found = false
          break
        }
      }
      if (found) return i
    }
  }

  return -1
}

Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
  return this.indexOf(val, byteOffset, encoding) !== -1
}

Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
}

Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
}

function hexWrite (buf, string, offset, length) {
  offset = Number(offset) || 0
  var remaining = buf.length - offset
  if (!length) {
    length = remaining
  } else {
    length = Number(length)
    if (length > remaining) {
      length = remaining
    }
  }

  // must be an even number of digits
  var strLen = string.length
  if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')

  if (length > strLen / 2) {
    length = strLen / 2
  }
  for (var i = 0; i < length; ++i) {
    var parsed = parseInt(string.substr(i * 2, 2), 16)
    if (isNaN(parsed)) return i
    buf[offset + i] = parsed
  }
  return i
}

function utf8Write (buf, string, offset, length) {
  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
}

function asciiWrite (buf, string, offset, length) {
  return blitBuffer(asciiToBytes(string), buf, offset, length)
}

function latin1Write (buf, string, offset, length) {
  return asciiWrite(buf, string, offset, length)
}

function base64Write (buf, string, offset, length) {
  return blitBuffer(base64ToBytes(string), buf, offset, length)
}

function ucs2Write (buf, string, offset, length) {
  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
}

Buffer.prototype.write = function write (string, offset, length, encoding) {
  // Buffer#write(string)
  if (offset === undefined) {
    encoding = 'utf8'
    length = this.length
    offset = 0
  // Buffer#write(string, encoding)
  } else if (length === undefined && typeof offset === 'string') {
    encoding = offset
    length = this.length
    offset = 0
  // Buffer#write(string, offset[, length][, encoding])
  } else if (isFinite(offset)) {
    offset = offset | 0
    if (isFinite(length)) {
      length = length | 0
      if (encoding === undefined) encoding = 'utf8'
    } else {
      encoding = length
      length = undefined
    }
  // legacy write(string, encoding, offset, length) - remove in v0.13
  } else {
    throw new Error(
      'Buffer.write(string, encoding, offset[, length]) is no longer supported'
    )
  }

  var remaining = this.length - offset
  if (length === undefined || length > remaining) length = remaining

  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
    throw new RangeError('Attempt to write outside buffer bounds')
  }

  if (!encoding) encoding = 'utf8'

  var loweredCase = false
  for (;;) {
    switch (encoding) {
      case 'hex':
        return hexWrite(this, string, offset, length)

      case 'utf8':
      case 'utf-8':
        return utf8Write(this, string, offset, length)

      case 'ascii':
        return asciiWrite(this, string, offset, length)

      case 'latin1':
      case 'binary':
        return latin1Write(this, string, offset, length)

      case 'base64':
        // Warning: maxLength not taken into account in base64Write
        return base64Write(this, string, offset, length)

      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return ucs2Write(this, string, offset, length)

      default:
        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
        encoding = ('' + encoding).toLowerCase()
        loweredCase = true
    }
  }
}

Buffer.prototype.toJSON = function toJSON () {
  return {
    type: 'Buffer',
    data: Array.prototype.slice.call(this._arr || this, 0)
  }
}

function base64Slice (buf, start, end) {
  if (start === 0 && end === buf.length) {
    return base64.fromByteArray(buf)
  } else {
    return base64.fromByteArray(buf.slice(start, end))
  }
}

function utf8Slice (buf, start, end) {
  end = Math.min(buf.length, end)
  var res = []

  var i = start
  while (i < end) {
    var firstByte = buf[i]
    var codePoint = null
    var bytesPerSequence = (firstByte > 0xEF) ? 4
      : (firstByte > 0xDF) ? 3
      : (firstByte > 0xBF) ? 2
      : 1

    if (i + bytesPerSequence <= end) {
      var secondByte, thirdByte, fourthByte, tempCodePoint

      switch (bytesPerSequence) {
        case 1:
          if (firstByte < 0x80) {
            codePoint = firstByte
          }
          break
        case 2:
          secondByte = buf[i + 1]
          if ((secondByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
            if (tempCodePoint > 0x7F) {
              codePoint = tempCodePoint
            }
          }
          break
        case 3:
          secondByte = buf[i + 1]
          thirdByte = buf[i + 2]
          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
              codePoint = tempCodePoint
            }
          }
          break
        case 4:
          secondByte = buf[i + 1]
          thirdByte = buf[i + 2]
          fourthByte = buf[i + 3]
          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
              codePoint = tempCodePoint
            }
          }
      }
    }

    if (codePoint === null) {
      // we did not generate a valid codePoint so insert a
      // replacement char (U+FFFD) and advance only 1 byte
      codePoint = 0xFFFD
      bytesPerSequence = 1
    } else if (codePoint > 0xFFFF) {
      // encode to utf16 (surrogate pair dance)
      codePoint -= 0x10000
      res.push(codePoint >>> 10 & 0x3FF | 0xD800)
      codePoint = 0xDC00 | codePoint & 0x3FF
    }

    res.push(codePoint)
    i += bytesPerSequence
  }

  return decodeCodePointsArray(res)
}

// Based on http://stackoverflow.com/a/22747272/680742, the browser with
// the lowest limit is Chrome, with 0x10000 args.
// We go 1 magnitude less, for safety
var MAX_ARGUMENTS_LENGTH = 0x1000

function decodeCodePointsArray (codePoints) {
  var len = codePoints.length
  if (len <= MAX_ARGUMENTS_LENGTH) {
    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
  }

  // Decode in chunks to avoid "call stack size exceeded".
  var res = ''
  var i = 0
  while (i < len) {
    res += String.fromCharCode.apply(
      String,
      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
    )
  }
  return res
}

function asciiSlice (buf, start, end) {
  var ret = ''
  end = Math.min(buf.length, end)

  for (var i = start; i < end; ++i) {
    ret += String.fromCharCode(buf[i] & 0x7F)
  }
  return ret
}

function latin1Slice (buf, start, end) {
  var ret = ''
  end = Math.min(buf.length, end)

  for (var i = start; i < end; ++i) {
    ret += String.fromCharCode(buf[i])
  }
  return ret
}

function hexSlice (buf, start, end) {
  var len = buf.length

  if (!start || start < 0) start = 0
  if (!end || end < 0 || end > len) end = len

  var out = ''
  for (var i = start; i < end; ++i) {
    out += toHex(buf[i])
  }
  return out
}

function utf16leSlice (buf, start, end) {
  var bytes = buf.slice(start, end)
  var res = ''
  for (var i = 0; i < bytes.length; i += 2) {
    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)
  }
  return res
}

Buffer.prototype.slice = function slice (start, end) {
  var len = this.length
  start = ~~start
  end = end === undefined ? len : ~~end

  if (start < 0) {
    start += len
    if (start < 0) start = 0
  } else if (start > len) {
    start = len
  }

  if (end < 0) {
    end += len
    if (end < 0) end = 0
  } else if (end > len) {
    end = len
  }

  if (end < start) end = start

  var newBuf
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    newBuf = this.subarray(start, end)
    newBuf.__proto__ = Buffer.prototype
  } else {
    var sliceLen = end - start
    newBuf = new Buffer(sliceLen, undefined)
    for (var i = 0; i < sliceLen; ++i) {
      newBuf[i] = this[i + start]
    }
  }

  return newBuf
}

/*
 * Need to make sure that buffer isn't trying to write out of bounds.
 */
function checkOffset (offset, ext, length) {
  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
}

Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  var val = this[offset]
  var mul = 1
  var i = 0
  while (++i < byteLength && (mul *= 0x100)) {
    val += this[offset + i] * mul
  }

  return val
}

Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) {
    checkOffset(offset, byteLength, this.length)
  }

  var val = this[offset + --byteLength]
  var mul = 1
  while (byteLength > 0 && (mul *= 0x100)) {
    val += this[offset + --byteLength] * mul
  }

  return val
}

Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 1, this.length)
  return this[offset]
}

Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 2, this.length)
  return this[offset] | (this[offset + 1] << 8)
}

Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 2, this.length)
  return (this[offset] << 8) | this[offset + 1]
}

Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)

  return ((this[offset]) |
      (this[offset + 1] << 8) |
      (this[offset + 2] << 16)) +
      (this[offset + 3] * 0x1000000)
}

Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset] * 0x1000000) +
    ((this[offset + 1] << 16) |
    (this[offset + 2] << 8) |
    this[offset + 3])
}

Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  var val = this[offset]
  var mul = 1
  var i = 0
  while (++i < byteLength && (mul *= 0x100)) {
    val += this[offset + i] * mul
  }
  mul *= 0x80

  if (val >= mul) val -= Math.pow(2, 8 * byteLength)

  return val
}

Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  var i = byteLength
  var mul = 1
  var val = this[offset + --i]
  while (i > 0 && (mul *= 0x100)) {
    val += this[offset + --i] * mul
  }
  mul *= 0x80

  if (val >= mul) val -= Math.pow(2, 8 * byteLength)

  return val
}

Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 1, this.length)
  if (!(this[offset] & 0x80)) return (this[offset])
  return ((0xff - this[offset] + 1) * -1)
}

Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 2, this.length)
  var val = this[offset] | (this[offset + 1] << 8)
  return (val & 0x8000) ? val | 0xFFFF0000 : val
}

Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 2, this.length)
  var val = this[offset + 1] | (this[offset] << 8)
  return (val & 0x8000) ? val | 0xFFFF0000 : val
}

Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset]) |
    (this[offset + 1] << 8) |
    (this[offset + 2] << 16) |
    (this[offset + 3] << 24)
}

Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset] << 24) |
    (this[offset + 1] << 16) |
    (this[offset + 2] << 8) |
    (this[offset + 3])
}

Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)
  return ieee754.read(this, offset, true, 23, 4)
}

Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)
  return ieee754.read(this, offset, false, 23, 4)
}

Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 8, this.length)
  return ieee754.read(this, offset, true, 52, 8)
}

Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 8, this.length)
  return ieee754.read(this, offset, false, 52, 8)
}

function checkInt (buf, value, offset, ext, max, min) {
  if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
  if (offset + ext > buf.length) throw new RangeError('Index out of range')
}

Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) {
    var maxBytes = Math.pow(2, 8 * byteLength) - 1
    checkInt(this, value, offset, byteLength, maxBytes, 0)
  }

  var mul = 1
  var i = 0
  this[offset] = value & 0xFF
  while (++i < byteLength && (mul *= 0x100)) {
    this[offset + i] = (value / mul) & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) {
    var maxBytes = Math.pow(2, 8 * byteLength) - 1
    checkInt(this, value, offset, byteLength, maxBytes, 0)
  }

  var i = byteLength - 1
  var mul = 1
  this[offset + i] = value & 0xFF
  while (--i >= 0 && (mul *= 0x100)) {
    this[offset + i] = (value / mul) & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
  this[offset] = (value & 0xff)
  return offset + 1
}

function objectWriteUInt16 (buf, value, offset, littleEndian) {
  if (value < 0) value = 0xffff + value + 1
  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
    buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
      (littleEndian ? i : 1 - i) * 8
  }
}

Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value & 0xff)
    this[offset + 1] = (value >>> 8)
  } else {
    objectWriteUInt16(this, value, offset, true)
  }
  return offset + 2
}

Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value >>> 8)
    this[offset + 1] = (value & 0xff)
  } else {
    objectWriteUInt16(this, value, offset, false)
  }
  return offset + 2
}

function objectWriteUInt32 (buf, value, offset, littleEndian) {
  if (value < 0) value = 0xffffffff + value + 1
  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
    buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff
  }
}

Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset + 3] = (value >>> 24)
    this[offset + 2] = (value >>> 16)
    this[offset + 1] = (value >>> 8)
    this[offset] = (value & 0xff)
  } else {
    objectWriteUInt32(this, value, offset, true)
  }
  return offset + 4
}

Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value >>> 24)
    this[offset + 1] = (value >>> 16)
    this[offset + 2] = (value >>> 8)
    this[offset + 3] = (value & 0xff)
  } else {
    objectWriteUInt32(this, value, offset, false)
  }
  return offset + 4
}

Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) {
    var limit = Math.pow(2, 8 * byteLength - 1)

    checkInt(this, value, offset, byteLength, limit - 1, -limit)
  }

  var i = 0
  var mul = 1
  var sub = 0
  this[offset] = value & 0xFF
  while (++i < byteLength && (mul *= 0x100)) {
    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
      sub = 1
    }
    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) {
    var limit = Math.pow(2, 8 * byteLength - 1)

    checkInt(this, value, offset, byteLength, limit - 1, -limit)
  }

  var i = byteLength - 1
  var mul = 1
  var sub = 0
  this[offset + i] = value & 0xFF
  while (--i >= 0 && (mul *= 0x100)) {
    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
      sub = 1
    }
    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
  if (value < 0) value = 0xff + value + 1
  this[offset] = (value & 0xff)
  return offset + 1
}

Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value & 0xff)
    this[offset + 1] = (value >>> 8)
  } else {
    objectWriteUInt16(this, value, offset, true)
  }
  return offset + 2
}

Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value >>> 8)
    this[offset + 1] = (value & 0xff)
  } else {
    objectWriteUInt16(this, value, offset, false)
  }
  return offset + 2
}

Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value & 0xff)
    this[offset + 1] = (value >>> 8)
    this[offset + 2] = (value >>> 16)
    this[offset + 3] = (value >>> 24)
  } else {
    objectWriteUInt32(this, value, offset, true)
  }
  return offset + 4
}

Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
  if (value < 0) value = 0xffffffff + value + 1
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value >>> 24)
    this[offset + 1] = (value >>> 16)
    this[offset + 2] = (value >>> 8)
    this[offset + 3] = (value & 0xff)
  } else {
    objectWriteUInt32(this, value, offset, false)
  }
  return offset + 4
}

function checkIEEE754 (buf, value, offset, ext, max, min) {
  if (offset + ext > buf.length) throw new RangeError('Index out of range')
  if (offset < 0) throw new RangeError('Index out of range')
}

function writeFloat (buf, value, offset, littleEndian, noAssert) {
  if (!noAssert) {
    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
  }
  ieee754.write(buf, value, offset, littleEndian, 23, 4)
  return offset + 4
}

Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
  return writeFloat(this, value, offset, true, noAssert)
}

Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
  return writeFloat(this, value, offset, false, noAssert)
}

function writeDouble (buf, value, offset, littleEndian, noAssert) {
  if (!noAssert) {
    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
  }
  ieee754.write(buf, value, offset, littleEndian, 52, 8)
  return offset + 8
}

Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
  return writeDouble(this, value, offset, true, noAssert)
}

Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
  return writeDouble(this, value, offset, false, noAssert)
}

// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
Buffer.prototype.copy = function copy (target, targetStart, start, end) {
  if (!start) start = 0
  if (!end && end !== 0) end = this.length
  if (targetStart >= target.length) targetStart = target.length
  if (!targetStart) targetStart = 0
  if (end > 0 && end < start) end = start

  // Copy 0 bytes; we're done
  if (end === start) return 0
  if (target.length === 0 || this.length === 0) return 0

  // Fatal error conditions
  if (targetStart < 0) {
    throw new RangeError('targetStart out of bounds')
  }
  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
  if (end < 0) throw new RangeError('sourceEnd out of bounds')

  // Are we oob?
  if (end > this.length) end = this.length
  if (target.length - targetStart < end - start) {
    end = target.length - targetStart + start
  }

  var len = end - start
  var i

  if (this === target && start < targetStart && targetStart < end) {
    // descending copy from end
    for (i = len - 1; i >= 0; --i) {
      target[i + targetStart] = this[i + start]
    }
  } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
    // ascending copy from start
    for (i = 0; i < len; ++i) {
      target[i + targetStart] = this[i + start]
    }
  } else {
    Uint8Array.prototype.set.call(
      target,
      this.subarray(start, start + len),
      targetStart
    )
  }

  return len
}

// Usage:
//    buffer.fill(number[, offset[, end]])
//    buffer.fill(buffer[, offset[, end]])
//    buffer.fill(string[, offset[, end]][, encoding])
Buffer.prototype.fill = function fill (val, start, end, encoding) {
  // Handle string cases:
  if (typeof val === 'string') {
    if (typeof start === 'string') {
      encoding = start
      start = 0
      end = this.length
    } else if (typeof end === 'string') {
      encoding = end
      end = this.length
    }
    if (val.length === 1) {
      var code = val.charCodeAt(0)
      if (code < 256) {
        val = code
      }
    }
    if (encoding !== undefined && typeof encoding !== 'string') {
      throw new TypeError('encoding must be a string')
    }
    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
      throw new TypeError('Unknown encoding: ' + encoding)
    }
  } else if (typeof val === 'number') {
    val = val & 255
  }

  // Invalid ranges are not set to a default, so can range check early.
  if (start < 0 || this.length < start || this.length < end) {
    throw new RangeError('Out of range index')
  }

  if (end <= start) {
    return this
  }

  start = start >>> 0
  end = end === undefined ? this.length : end >>> 0

  if (!val) val = 0

  var i
  if (typeof val === 'number') {
    for (i = start; i < end; ++i) {
      this[i] = val
    }
  } else {
    var bytes = Buffer.isBuffer(val)
      ? val
      : utf8ToBytes(new Buffer(val, encoding).toString())
    var len = bytes.length
    for (i = 0; i < end - start; ++i) {
      this[i + start] = bytes[i % len]
    }
  }

  return this
}

// HELPER FUNCTIONS
// ================

var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g

function base64clean (str) {
  // Node strips out invalid characters like \n and \t from the string, base64-js does not
  str = stringtrim(str).replace(INVALID_BASE64_RE, '')
  // Node converts strings with length < 2 to ''
  if (str.length < 2) return ''
  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
  while (str.length % 4 !== 0) {
    str = str + '='
  }
  return str
}

function stringtrim (str) {
  if (str.trim) return str.trim()
  return str.replace(/^\s+|\s+$/g, '')
}

function toHex (n) {
  if (n < 16) return '0' + n.toString(16)
  return n.toString(16)
}

function utf8ToBytes (string, units) {
  units = units || Infinity
  var codePoint
  var length = string.length
  var leadSurrogate = null
  var bytes = []

  for (var i = 0; i < length; ++i) {
    codePoint = string.charCodeAt(i)

    // is surrogate component
    if (codePoint > 0xD7FF && codePoint < 0xE000) {
      // last char was a lead
      if (!leadSurrogate) {
        // no lead yet
        if (codePoint > 0xDBFF) {
          // unexpected trail
          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
          continue
        } else if (i + 1 === length) {
          // unpaired lead
          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
          continue
        }

        // valid lead
        leadSurrogate = codePoint

        continue
      }

      // 2 leads in a row
      if (codePoint < 0xDC00) {
        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
        leadSurrogate = codePoint
        continue
      }

      // valid surrogate pair
      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
    } else if (leadSurrogate) {
      // valid bmp char, but last char was a lead
      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
    }

    leadSurrogate = null

    // encode utf8
    if (codePoint < 0x80) {
      if ((units -= 1) < 0) break
      bytes.push(codePoint)
    } else if (codePoint < 0x800) {
      if ((units -= 2) < 0) break
      bytes.push(
        codePoint >> 0x6 | 0xC0,
        codePoint & 0x3F | 0x80
      )
    } else if (codePoint < 0x10000) {
      if ((units -= 3) < 0) break
      bytes.push(
        codePoint >> 0xC | 0xE0,
        codePoint >> 0x6 & 0x3F | 0x80,
        codePoint & 0x3F | 0x80
      )
    } else if (codePoint < 0x110000) {
      if ((units -= 4) < 0) break
      bytes.push(
        codePoint >> 0x12 | 0xF0,
        codePoint >> 0xC & 0x3F | 0x80,
        codePoint >> 0x6 & 0x3F | 0x80,
        codePoint & 0x3F | 0x80
      )
    } else {
      throw new Error('Invalid code point')
    }
  }

  return bytes
}

function asciiToBytes (str) {
  var byteArray = []
  for (var i = 0; i < str.length; ++i) {
    // Node's code seems to be doing this and not & 0x7F..
    byteArray.push(str.charCodeAt(i) & 0xFF)
  }
  return byteArray
}

function utf16leToBytes (str, units) {
  var c, hi, lo
  var byteArray = []
  for (var i = 0; i < str.length; ++i) {
    if ((units -= 2) < 0) break

    c = str.charCodeAt(i)
    hi = c >> 8
    lo = c % 256
    byteArray.push(lo)
    byteArray.push(hi)
  }

  return byteArray
}

function base64ToBytes (str) {
  return base64.toByteArray(base64clean(str))
}

function blitBuffer (src, dst, offset, length) {
  for (var i = 0; i < length; ++i) {
    if ((i + offset >= dst.length) || (i >= src.length)) break
    dst[i + offset] = src[i]
  }
  return i
}

function isnan (val) {
  return val !== val // eslint-disable-line no-self-compare
}

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(2)))

/***/ }),
/* 39 */
/***/ (function(module, exports, __webpack_require__) {

/*
 * Copyright 2009-2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE.txt or:
 * http://opensource.org/licenses/BSD-3-Clause
 */
exports.SourceMapGenerator = __webpack_require__(40).SourceMapGenerator;
exports.SourceMapConsumer = __webpack_require__(82).SourceMapConsumer;
exports.SourceNode = __webpack_require__(85).SourceNode;


/***/ }),
/* 40 */
/***/ (function(module, exports, __webpack_require__) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

var base64VLQ = __webpack_require__(41);
var util = __webpack_require__(8);
var ArraySet = __webpack_require__(42).ArraySet;
var MappingList = __webpack_require__(81).MappingList;

/**
 * An instance of the SourceMapGenerator represents a source map which is
 * being built incrementally. You may pass an object with the following
 * properties:
 *
 *   - file: The filename of the generated source.
 *   - sourceRoot: A root for all relative URLs in this source map.
 */
function SourceMapGenerator(aArgs) {
  if (!aArgs) {
    aArgs = {};
  }
  this._file = util.getArg(aArgs, 'file', null);
  this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);
  this._skipValidation = util.getArg(aArgs, 'skipValidation', false);
  this._sources = new ArraySet();
  this._names = new ArraySet();
  this._mappings = new MappingList();
  this._sourcesContents = null;
}

SourceMapGenerator.prototype._version = 3;

/**
 * Creates a new SourceMapGenerator based on a SourceMapConsumer
 *
 * @param aSourceMapConsumer The SourceMap.
 */
SourceMapGenerator.fromSourceMap =
  function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) {
    var sourceRoot = aSourceMapConsumer.sourceRoot;
    var generator = new SourceMapGenerator({
      file: aSourceMapConsumer.file,
      sourceRoot: sourceRoot
    });
    aSourceMapConsumer.eachMapping(function (mapping) {
      var newMapping = {
        generated: {
          line: mapping.generatedLine,
          column: mapping.generatedColumn
        }
      };

      if (mapping.source != null) {
        newMapping.source = mapping.source;
        if (sourceRoot != null) {
          newMapping.source = util.relative(sourceRoot, newMapping.source);
        }

        newMapping.original = {
          line: mapping.originalLine,
          column: mapping.originalColumn
        };

        if (mapping.name != null) {
          newMapping.name = mapping.name;
        }
      }

      generator.addMapping(newMapping);
    });
    aSourceMapConsumer.sources.forEach(function (sourceFile) {
      var sourceRelative = sourceFile;
      if (sourceRoot !== null) {
        sourceRelative = util.relative(sourceRoot, sourceFile);
      }

      if (!generator._sources.has(sourceRelative)) {
        generator._sources.add(sourceRelative);
      }

      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
      if (content != null) {
        generator.setSourceContent(sourceFile, content);
      }
    });
    return generator;
  };

/**
 * Add a single mapping from original source line and column to the generated
 * source's line and column for this source map being created. The mapping
 * object should have the following properties:
 *
 *   - generated: An object with the generated line and column positions.
 *   - original: An object with the original line and column positions.
 *   - source: The original source file (relative to the sourceRoot).
 *   - name: An optional original token name for this mapping.
 */
SourceMapGenerator.prototype.addMapping =
  function SourceMapGenerator_addMapping(aArgs) {
    var generated = util.getArg(aArgs, 'generated');
    var original = util.getArg(aArgs, 'original', null);
    var source = util.getArg(aArgs, 'source', null);
    var name = util.getArg(aArgs, 'name', null);

    if (!this._skipValidation) {
      this._validateMapping(generated, original, source, name);
    }

    if (source != null) {
      source = String(source);
      if (!this._sources.has(source)) {
        this._sources.add(source);
      }
    }

    if (name != null) {
      name = String(name);
      if (!this._names.has(name)) {
        this._names.add(name);
      }
    }

    this._mappings.add({
      generatedLine: generated.line,
      generatedColumn: generated.column,
      originalLine: original != null && original.line,
      originalColumn: original != null && original.column,
      source: source,
      name: name
    });
  };

/**
 * Set the source content for a source file.
 */
SourceMapGenerator.prototype.setSourceContent =
  function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) {
    var source = aSourceFile;
    if (this._sourceRoot != null) {
      source = util.relative(this._sourceRoot, source);
    }

    if (aSourceContent != null) {
      // Add the source content to the _sourcesContents map.
      // Create a new _sourcesContents map if the property is null.
      if (!this._sourcesContents) {
        this._sourcesContents = Object.create(null);
      }
      this._sourcesContents[util.toSetString(source)] = aSourceContent;
    } else if (this._sourcesContents) {
      // Remove the source file from the _sourcesContents map.
      // If the _sourcesContents map is empty, set the property to null.
      delete this._sourcesContents[util.toSetString(source)];
      if (Object.keys(this._sourcesContents).length === 0) {
        this._sourcesContents = null;
      }
    }
  };

/**
 * Applies the mappings of a sub-source-map for a specific source file to the
 * source map being generated. Each mapping to the supplied source file is
 * rewritten using the supplied source map. Note: The resolution for the
 * resulting mappings is the minimium of this map and the supplied map.
 *
 * @param aSourceMapConsumer The source map to be applied.
 * @param aSourceFile Optional. The filename of the source file.
 *        If omitted, SourceMapConsumer's file property will be used.
 * @param aSourceMapPath Optional. The dirname of the path to the source map
 *        to be applied. If relative, it is relative to the SourceMapConsumer.
 *        This parameter is needed when the two source maps aren't in the same
 *        directory, and the source map to be applied contains relative source
 *        paths. If so, those relative source paths need to be rewritten
 *        relative to the SourceMapGenerator.
 */
SourceMapGenerator.prototype.applySourceMap =
  function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile, aSourceMapPath) {
    var sourceFile = aSourceFile;
    // If aSourceFile is omitted, we will use the file property of the SourceMap
    if (aSourceFile == null) {
      if (aSourceMapConsumer.file == null) {
        throw new Error(
          'SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, ' +
          'or the source map\'s "file" property. Both were omitted.'
        );
      }
      sourceFile = aSourceMapConsumer.file;
    }
    var sourceRoot = this._sourceRoot;
    // Make "sourceFile" relative if an absolute Url is passed.
    if (sourceRoot != null) {
      sourceFile = util.relative(sourceRoot, sourceFile);
    }
    // Applying the SourceMap can add and remove items from the sources and
    // the names array.
    var newSources = new ArraySet();
    var newNames = new ArraySet();

    // Find mappings for the "sourceFile"
    this._mappings.unsortedForEach(function (mapping) {
      if (mapping.source === sourceFile && mapping.originalLine != null) {
        // Check if it can be mapped by the source map, then update the mapping.
        var original = aSourceMapConsumer.originalPositionFor({
          line: mapping.originalLine,
          column: mapping.originalColumn
        });
        if (original.source != null) {
          // Copy mapping
          mapping.source = original.source;
          if (aSourceMapPath != null) {
            mapping.source = util.join(aSourceMapPath, mapping.source)
          }
          if (sourceRoot != null) {
            mapping.source = util.relative(sourceRoot, mapping.source);
          }
          mapping.originalLine = original.line;
          mapping.originalColumn = original.column;
          if (original.name != null) {
            mapping.name = original.name;
          }
        }
      }

      var source = mapping.source;
      if (source != null && !newSources.has(source)) {
        newSources.add(source);
      }

      var name = mapping.name;
      if (name != null && !newNames.has(name)) {
        newNames.add(name);
      }

    }, this);
    this._sources = newSources;
    this._names = newNames;

    // Copy sourcesContents of applied map.
    aSourceMapConsumer.sources.forEach(function (sourceFile) {
      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
      if (content != null) {
        if (aSourceMapPath != null) {
          sourceFile = util.join(aSourceMapPath, sourceFile);
        }
        if (sourceRoot != null) {
          sourceFile = util.relative(sourceRoot, sourceFile);
        }
        this.setSourceContent(sourceFile, content);
      }
    }, this);
  };

/**
 * A mapping can have one of the three levels of data:
 *
 *   1. Just the generated position.
 *   2. The Generated position, original position, and original source.
 *   3. Generated and original position, original source, as well as a name
 *      token.
 *
 * To maintain consistency, we validate that any new mapping being added falls
 * in to one of these categories.
 */
SourceMapGenerator.prototype._validateMapping =
  function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource,
                                              aName) {
    // When aOriginal is truthy but has empty values for .line and .column,
    // it is most likely a programmer error. In this case we throw a very
    // specific error message to try to guide them the right way.
    // For example: https://github.com/Polymer/polymer-bundler/pull/519
    if (aOriginal && typeof aOriginal.line !== 'number' && typeof aOriginal.column !== 'number') {
        throw new Error(
            'original.line and original.column are not numbers -- you probably meant to omit ' +
            'the original mapping entirely and only map the generated position. If so, pass ' +
            'null for the original mapping instead of an object with empty or null values.'
        );
    }

    if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
        && aGenerated.line > 0 && aGenerated.column >= 0
        && !aOriginal && !aSource && !aName) {
      // Case 1.
      return;
    }
    else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
             && aOriginal && 'line' in aOriginal && 'column' in aOriginal
             && aGenerated.line > 0 && aGenerated.column >= 0
             && aOriginal.line > 0 && aOriginal.column >= 0
             && aSource) {
      // Cases 2 and 3.
      return;
    }
    else {
      throw new Error('Invalid mapping: ' + JSON.stringify({
        generated: aGenerated,
        source: aSource,
        original: aOriginal,
        name: aName
      }));
    }
  };

/**
 * Serialize the accumulated mappings in to the stream of base 64 VLQs
 * specified by the source map format.
 */
SourceMapGenerator.prototype._serializeMappings =
  function SourceMapGenerator_serializeMappings() {
    var previousGeneratedColumn = 0;
    var previousGeneratedLine = 1;
    var previousOriginalColumn = 0;
    var previousOriginalLine = 0;
    var previousName = 0;
    var previousSource = 0;
    var result = '';
    var next;
    var mapping;
    var nameIdx;
    var sourceIdx;

    var mappings = this._mappings.toArray();
    for (var i = 0, len = mappings.length; i < len; i++) {
      mapping = mappings[i];
      next = ''

      if (mapping.generatedLine !== previousGeneratedLine) {
        previousGeneratedColumn = 0;
        while (mapping.generatedLine !== previousGeneratedLine) {
          next += ';';
          previousGeneratedLine++;
        }
      }
      else {
        if (i > 0) {
          if (!util.compareByGeneratedPositionsInflated(mapping, mappings[i - 1])) {
            continue;
          }
          next += ',';
        }
      }

      next += base64VLQ.encode(mapping.generatedColumn
                                 - previousGeneratedColumn);
      previousGeneratedColumn = mapping.generatedColumn;

      if (mapping.source != null) {
        sourceIdx = this._sources.indexOf(mapping.source);
        next += base64VLQ.encode(sourceIdx - previousSource);
        previousSource = sourceIdx;

        // lines are stored 0-based in SourceMap spec version 3
        next += base64VLQ.encode(mapping.originalLine - 1
                                   - previousOriginalLine);
        previousOriginalLine = mapping.originalLine - 1;

        next += base64VLQ.encode(mapping.originalColumn
                                   - previousOriginalColumn);
        previousOriginalColumn = mapping.originalColumn;

        if (mapping.name != null) {
          nameIdx = this._names.indexOf(mapping.name);
          next += base64VLQ.encode(nameIdx - previousName);
          previousName = nameIdx;
        }
      }

      result += next;
    }

    return result;
  };

SourceMapGenerator.prototype._generateSourcesContent =
  function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) {
    return aSources.map(function (source) {
      if (!this._sourcesContents) {
        return null;
      }
      if (aSourceRoot != null) {
        source = util.relative(aSourceRoot, source);
      }
      var key = util.toSetString(source);
      return Object.prototype.hasOwnProperty.call(this._sourcesContents, key)
        ? this._sourcesContents[key]
        : null;
    }, this);
  };

/**
 * Externalize the source map.
 */
SourceMapGenerator.prototype.toJSON =
  function SourceMapGenerator_toJSON() {
    var map = {
      version: this._version,
      sources: this._sources.toArray(),
      names: this._names.toArray(),
      mappings: this._serializeMappings()
    };
    if (this._file != null) {
      map.file = this._file;
    }
    if (this._sourceRoot != null) {
      map.sourceRoot = this._sourceRoot;
    }
    if (this._sourcesContents) {
      map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot);
    }

    return map;
  };

/**
 * Render the source map being generated to a string.
 */
SourceMapGenerator.prototype.toString =
  function SourceMapGenerator_toString() {
    return JSON.stringify(this.toJSON());
  };

exports.SourceMapGenerator = SourceMapGenerator;


/***/ }),
/* 41 */
/***/ (function(module, exports, __webpack_require__) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 *
 * Based on the Base 64 VLQ implementation in Closure Compiler:
 * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java
 *
 * Copyright 2011 The Closure Compiler Authors. All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer in the documentation and/or other materials provided
 *    with the distribution.
 *  * Neither the name of Google Inc. nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

var base64 = __webpack_require__(80);

// A single base 64 digit can contain 6 bits of data. For the base 64 variable
// length quantities we use in the source map spec, the first bit is the sign,
// the next four bits are the actual value, and the 6th bit is the
// continuation bit. The continuation bit tells us whether there are more
// digits in this value following this digit.
//
//   Continuation
//   |    Sign
//   |    |
//   V    V
//   101011

var VLQ_BASE_SHIFT = 5;

// binary: 100000
var VLQ_BASE = 1 << VLQ_BASE_SHIFT;

// binary: 011111
var VLQ_BASE_MASK = VLQ_BASE - 1;

// binary: 100000
var VLQ_CONTINUATION_BIT = VLQ_BASE;

/**
 * Converts from a two-complement value to a value where the sign bit is
 * placed in the least significant bit.  For example, as decimals:
 *   1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
 *   2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
 */
function toVLQSigned(aValue) {
  return aValue < 0
    ? ((-aValue) << 1) + 1
    : (aValue << 1) + 0;
}

/**
 * Converts to a two-complement value from a value where the sign bit is
 * placed in the least significant bit.  For example, as decimals:
 *   2 (10 binary) becomes 1, 3 (11 binary) becomes -1
 *   4 (100 binary) becomes 2, 5 (101 binary) becomes -2
 */
function fromVLQSigned(aValue) {
  var isNegative = (aValue & 1) === 1;
  var shifted = aValue >> 1;
  return isNegative
    ? -shifted
    : shifted;
}

/**
 * Returns the base 64 VLQ encoded value.
 */
exports.encode = function base64VLQ_encode(aValue) {
  var encoded = "";
  var digit;

  var vlq = toVLQSigned(aValue);

  do {
    digit = vlq & VLQ_BASE_MASK;
    vlq >>>= VLQ_BASE_SHIFT;
    if (vlq > 0) {
      // There are still more digits in this value, so we must make sure the
      // continuation bit is marked.
      digit |= VLQ_CONTINUATION_BIT;
    }
    encoded += base64.encode(digit);
  } while (vlq > 0);

  return encoded;
};

/**
 * Decodes the next base 64 VLQ value from the given string and returns the
 * value and the rest of the string via the out parameter.
 */
exports.decode = function base64VLQ_decode(aStr, aIndex, aOutParam) {
  var strLen = aStr.length;
  var result = 0;
  var shift = 0;
  var continuation, digit;

  do {
    if (aIndex >= strLen) {
      throw new Error("Expected more digits in base 64 VLQ value.");
    }

    digit = base64.decode(aStr.charCodeAt(aIndex++));
    if (digit === -1) {
      throw new Error("Invalid base64 digit: " + aStr.charAt(aIndex - 1));
    }

    continuation = !!(digit & VLQ_CONTINUATION_BIT);
    digit &= VLQ_BASE_MASK;
    result = result + (digit << shift);
    shift += VLQ_BASE_SHIFT;
  } while (continuation);

  aOutParam.value = fromVLQSigned(result);
  aOutParam.rest = aIndex;
};


/***/ }),
/* 42 */
/***/ (function(module, exports, __webpack_require__) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

var util = __webpack_require__(8);
var has = Object.prototype.hasOwnProperty;
var hasNativeMap = typeof Map !== "undefined";

/**
 * A data structure which is a combination of an array and a set. Adding a new
 * member is O(1), testing for membership is O(1), and finding the index of an
 * element is O(1). Removing elements from the set is not supported. Only
 * strings are supported for membership.
 */
function ArraySet() {
  this._array = [];
  this._set = hasNativeMap ? new Map() : Object.create(null);
}

/**
 * Static method for creating ArraySet instances from an existing array.
 */
ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) {
  var set = new ArraySet();
  for (var i = 0, len = aArray.length; i < len; i++) {
    set.add(aArray[i], aAllowDuplicates);
  }
  return set;
};

/**
 * Return how many unique items are in this ArraySet. If duplicates have been
 * added, than those do not count towards the size.
 *
 * @returns Number
 */
ArraySet.prototype.size = function ArraySet_size() {
  return hasNativeMap ? this._set.size : Object.getOwnPropertyNames(this._set).length;
};

/**
 * Add the given string to this set.
 *
 * @param String aStr
 */
ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) {
  var sStr = hasNativeMap ? aStr : util.toSetString(aStr);
  var isDuplicate = hasNativeMap ? this.has(aStr) : has.call(this._set, sStr);
  var idx = this._array.length;
  if (!isDuplicate || aAllowDuplicates) {
    this._array.push(aStr);
  }
  if (!isDuplicate) {
    if (hasNativeMap) {
      this._set.set(aStr, idx);
    } else {
      this._set[sStr] = idx;
    }
  }
};

/**
 * Is the given string a member of this set?
 *
 * @param String aStr
 */
ArraySet.prototype.has = function ArraySet_has(aStr) {
  if (hasNativeMap) {
    return this._set.has(aStr);
  } else {
    var sStr = util.toSetString(aStr);
    return has.call(this._set, sStr);
  }
};

/**
 * What is the index of the given string in the array?
 *
 * @param String aStr
 */
ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) {
  if (hasNativeMap) {
    var idx = this._set.get(aStr);
    if (idx >= 0) {
        return idx;
    }
  } else {
    var sStr = util.toSetString(aStr);
    if (has.call(this._set, sStr)) {
      return this._set[sStr];
    }
  }

  throw new Error('"' + aStr + '" is not in the set.');
};

/**
 * What is the element at the given index?
 *
 * @param Number aIdx
 */
ArraySet.prototype.at = function ArraySet_at(aIdx) {
  if (aIdx >= 0 && aIdx < this._array.length) {
    return this._array[aIdx];
  }
  throw new Error('No element indexed by ' + aIdx);
};

/**
 * Returns the array representation of this set (which has the proper indices
 * indicated by indexOf). Note that this is a copy of the internal array used
 * for storing the members so that no one can mess with internal state.
 */
ArraySet.prototype.toArray = function ArraySet_toArray() {
  return this._array.slice();
};

exports.ArraySet = ArraySet;


/***/ }),
/* 43 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

/**
 * Contains helpers for safely splitting lists of CSS values,
 * preserving parentheses and quotes.
 *
 * @example
 * const list = postcss.list
 *
 * @namespace list
 */
var list = {
  split: function split(string, separators, last) {
    var array = [];
    var current = '';
    var split = false;
    var func = 0;
    var quote = false;
    var escape = false;

    for (var i = 0; i < string.length; i++) {
      var letter = string[i];

      if (quote) {
        if (escape) {
          escape = false;
        } else if (letter === '\\') {
          escape = true;
        } else if (letter === quote) {
          quote = false;
        }
      } else if (letter === '"' || letter === '\'') {
        quote = letter;
      } else if (letter === '(') {
        func += 1;
      } else if (letter === ')') {
        if (func > 0) func -= 1;
      } else if (func === 0) {
        if (separators.indexOf(letter) !== -1) split = true;
      }

      if (split) {
        if (current !== '') array.push(current.trim());
        current = '';
        split = false;
      } else {
        current += letter;
      }
    }

    if (last || current !== '') array.push(current.trim());
    return array;
  },

  /**
   * Safely splits space-separated values (such as those for `background`,
   * `border-radius`, and other shorthand properties).
   *
   * @param {string} string Space-separated values.
   *
   * @return {string[]} Split values.
   *
   * @example
   * postcss.list.space('1px calc(10% + 1px)') //=> ['1px', 'calc(10% + 1px)']
   */
  space: function space(string) {
    var spaces = [' ', '\n', '\t'];
    return list.split(string, spaces);
  },

  /**
   * Safely splits comma-separated values (such as those for `transition-*`
   * and `background` properties).
   *
   * @param {string} string Comma-separated values.
   *
   * @return {string[]} Split values.
   *
   * @example
   * postcss.list.comma('black, linear-gradient(white, black)')
   * //=> ['black', 'linear-gradient(white, black)']
   */
  comma: function comma(string) {
    return list.split(string, [','], true);
  }
};
var _default = list;
exports.default = _default;
module.exports = exports.default;
//# sourceMappingURL=data:application/json;charset=utf8;base64,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


/***/ }),
/* 44 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _container = _interopRequireDefault(__webpack_require__(21));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _createForOfIteratorHelperLoose(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; return function () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } it = o[Symbol.iterator](); return it.next.bind(it); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }

/**
 * Represents a CSS file and contains all its parsed nodes.
 *
 * @extends Container
 *
 * @example
 * const root = postcss.parse('a{color:black} b{z-index:2}')
 * root.type         //=> 'root'
 * root.nodes.length //=> 2
 */
var Root = /*#__PURE__*/function (_Container) {
  _inheritsLoose(Root, _Container);

  function Root(defaults) {
    var _this;

    _this = _Container.call(this, defaults) || this;
    _this.type = 'root';
    if (!_this.nodes) _this.nodes = [];
    return _this;
  }

  var _proto = Root.prototype;

  _proto.removeChild = function removeChild(child, ignore) {
    var index = this.index(child);

    if (!ignore && index === 0 && this.nodes.length > 1) {
      this.nodes[1].raws.before = this.nodes[index].raws.before;
    }

    return _Container.prototype.removeChild.call(this, child);
  };

  _proto.normalize = function normalize(child, sample, type) {
    var nodes = _Container.prototype.normalize.call(this, child);

    if (sample) {
      if (type === 'prepend') {
        if (this.nodes.length > 1) {
          sample.raws.before = this.nodes[1].raws.before;
        } else {
          delete sample.raws.before;
        }
      } else if (this.first !== sample) {
        for (var _iterator = _createForOfIteratorHelperLoose(nodes), _step; !(_step = _iterator()).done;) {
          var node = _step.value;
          node.raws.before = sample.raws.before;
        }
      }
    }

    return nodes;
  }
  /**
   * Returns a {@link Result} instance representing the root’s CSS.
   *
   * @param {processOptions} [opts] Options with only `to` and `map` keys.
   *
   * @return {Result} Result with current root’s CSS.
   *
   * @example
   * const root1 = postcss.parse(css1, { from: 'a.css' })
   * const root2 = postcss.parse(css2, { from: 'b.css' })
   * root1.append(root2)
   * const result = root1.toResult({ to: 'all.css', map: true })
   */
  ;

  _proto.toResult = function toResult(opts) {
    if (opts === void 0) {
      opts = {};
    }

    var LazyResult = __webpack_require__(37);

    var Processor = __webpack_require__(36);

    var lazy = new LazyResult(new Processor(), this, opts);
    return lazy.stringify();
  }
  /**
   * @memberof Root#
   * @member {object} raws Information to generate byte-to-byte equal
   *                       node string as it was in the origin input.
   *
   * Every parser saves its own properties,
   * but the default CSS parser uses:
   *
   * * `after`: the space symbols after the last child to the end of file.
   * * `semicolon`: is the last child has an (optional) semicolon.
   *
   * @example
   * postcss.parse('a {}\n').raws //=> { after: '\n' }
   * postcss.parse('a {}').raws   //=> { after: '' }
   */
  ;

  return Root;
}(_container.default);

var _default = Root;
exports.default = _default;
module.exports = exports.default;
//# sourceMappingURL=data:application/json;charset=utf8;base64,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


/***/ }),
/* 45 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var constants = __webpack_require__(24);
var PUNCTUATION = constants.PUNCTUATION;
var STOP_URL_RAW = constants.STOP_URL_RAW;
var TYPE = constants.TYPE;
var FULLSTOP = TYPE.FullStop;
var PLUSSIGN = TYPE.PlusSign;
var HYPHENMINUS = TYPE.HyphenMinus;
var PUNCTUATOR = TYPE.Punctuator;
var TAB = 9;
var N = 10;
var F = 12;
var R = 13;
var SPACE = 32;
var BACK_SLASH = 92;
var E = 101; // 'e'.charCodeAt(0)

function firstCharOffset(source) {
    // detect BOM (https://en.wikipedia.org/wiki/Byte_order_mark)
    if (source.charCodeAt(0) === 0xFEFF ||  // UTF-16BE
        source.charCodeAt(0) === 0xFFFE) {  // UTF-16LE
        return 1;
    }

    return 0;
}

function isHex(code) {
    return (code >= 48 && code <= 57) || // 0 .. 9
           (code >= 65 && code <= 70) || // A .. F
           (code >= 97 && code <= 102);  // a .. f
}

function isNumber(code) {
    return code >= 48 && code <= 57;
}

function isWhiteSpace(code) {
    return code === SPACE || code === TAB || isNewline(code);
}

function isNewline(code) {
    return code === R || code === N || code === F;
}

function getNewlineLength(source, offset, code) {
    if (isNewline(code)) {
        if (code === R && offset + 1 < source.length && source.charCodeAt(offset + 1) === N) {
            return 2;
        }

        return 1;
    }

    return 0;
}

function cmpChar(testStr, offset, referenceCode) {
    var code = testStr.charCodeAt(offset);

    // code.toLowerCase() for A..Z
    if (code >= 65 && code <= 90) {
        code = code | 32;
    }

    return code === referenceCode;
}

function cmpStr(testStr, start, end, referenceStr) {
    if (end - start !== referenceStr.length) {
        return false;
    }

    if (start < 0 || end > testStr.length) {
        return false;
    }

    for (var i = start; i < end; i++) {
        var testCode = testStr.charCodeAt(i);
        var refCode = referenceStr.charCodeAt(i - start);

        // testCode.toLowerCase() for A..Z
        if (testCode >= 65 && testCode <= 90) {
            testCode = testCode | 32;
        }

        if (testCode !== refCode) {
            return false;
        }
    }

    return true;
}

function findWhiteSpaceStart(source, offset) {
    while (offset >= 0 && isWhiteSpace(source.charCodeAt(offset))) {
        offset--;
    }

    return offset + 1;
}

function findWhiteSpaceEnd(source, offset) {
    while (offset < source.length && isWhiteSpace(source.charCodeAt(offset))) {
        offset++;
    }

    return offset;
}

function findCommentEnd(source, offset) {
    var commentEnd = source.indexOf('*/', offset);

    if (commentEnd === -1) {
        return source.length;
    }

    return commentEnd + 2;
}

function findStringEnd(source, offset, quote) {
    for (; offset < source.length; offset++) {
        var code = source.charCodeAt(offset);

        // TODO: bad string
        if (code === BACK_SLASH) {
            offset++;
        } else if (code === quote) {
            offset++;
            break;
        }
    }

    return offset;
}

function findDecimalNumberEnd(source, offset) {
    while (offset < source.length && isNumber(source.charCodeAt(offset))) {
        offset++;
    }

    return offset;
}

function findNumberEnd(source, offset, allowFraction) {
    var code;

    offset = findDecimalNumberEnd(source, offset);

    // fraction: .\d+
    if (allowFraction && offset + 1 < source.length && source.charCodeAt(offset) === FULLSTOP) {
        code = source.charCodeAt(offset + 1);

        if (isNumber(code)) {
            offset = findDecimalNumberEnd(source, offset + 1);
        }
    }

    // exponent: e[+-]\d+
    if (offset + 1 < source.length) {
        if ((source.charCodeAt(offset) | 32) === E) { // case insensitive check for `e`
            code = source.charCodeAt(offset + 1);

            if (code === PLUSSIGN || code === HYPHENMINUS) {
                if (offset + 2 < source.length) {
                    code = source.charCodeAt(offset + 2);
                }
            }

            if (isNumber(code)) {
                offset = findDecimalNumberEnd(source, offset + 2);
            }
        }
    }

    return offset;
}

// skip escaped unicode sequence that can ends with space
// [0-9a-f]{1,6}(\r\n|[ \n\r\t\f])?
function findEscapeEnd(source, offset) {
    for (var i = 0; i < 7 && offset + i < source.length; i++) {
        var code = source.charCodeAt(offset + i);

        if (i !== 6 && isHex(code)) {
            continue;
        }

        if (i > 0) {
            offset += i - 1 + getNewlineLength(source, offset + i, code);
            if (code === SPACE || code === TAB) {
                offset++;
            }
        }

        break;
    }

    return offset;
}

function findIdentifierEnd(source, offset) {
    for (; offset < source.length; offset++) {
        var code = source.charCodeAt(offset);

        if (code === BACK_SLASH) {
            offset = findEscapeEnd(source, offset + 1);
        } else if (code < 0x80 && PUNCTUATION[code] === PUNCTUATOR) {
            break;
        }
    }

    return offset;
}

function findUrlRawEnd(source, offset) {
    for (; offset < source.length; offset++) {
        var code = source.charCodeAt(offset);

        if (code === BACK_SLASH) {
            offset = findEscapeEnd(source, offset + 1);
        } else if (code < 0x80 && STOP_URL_RAW[code] === 1) {
            break;
        }
    }

    return offset;
}

module.exports = {
    firstCharOffset: firstCharOffset,

    isHex: isHex,
    isNumber: isNumber,
    isWhiteSpace: isWhiteSpace,
    isNewline: isNewline,
    getNewlineLength: getNewlineLength,

    cmpChar: cmpChar,
    cmpStr: cmpStr,

    findWhiteSpaceStart: findWhiteSpaceStart,
    findWhiteSpaceEnd: findWhiteSpaceEnd,
    findCommentEnd: findCommentEnd,
    findStringEnd: findStringEnd,
    findDecimalNumberEnd: findDecimalNumberEnd,
    findNumberEnd: findNumberEnd,
    findEscapeEnd: findEscapeEnd,
    findIdentifierEnd: findIdentifierEnd,
    findUrlRawEnd: findUrlRawEnd
};


/***/ }),
/* 46 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var createCustomError = __webpack_require__(23);
var generateGrammar = __webpack_require__(25);

function fromMatchResult(matchResult) {
    var tokens = matchResult.tokens;
    var longestMatch = matchResult.longestMatch;
    var node = longestMatch < tokens.length ? tokens[longestMatch].node : null;
    var mismatchOffset = 0;
    var entries = 0;
    var css = '';

    for (var i = 0; i < tokens.length; i++) {
        if (i === longestMatch) {
            mismatchOffset = css.length;
        }

        if (node !== null && tokens[i].node === node) {
            if (i <= longestMatch) {
                entries++;
            } else {
                entries = 0;
            }
        }

        css += tokens[i].value;
    }

    if (node === null) {
        mismatchOffset = css.length;
    }

    return {
        node: node,
        css: css,
        mismatchOffset: mismatchOffset,
        last: node === null || entries > 1
    };
}

function getLocation(node, point) {
    var loc = node && node.loc && node.loc[point];

    if (loc) {
        return {
            offset: loc.offset,
            line: loc.line,
            column: loc.column
        };
    }

    return null;
}

var SyntaxReferenceError = function(type, referenceName) {
    var error = createCustomError(
        'SyntaxReferenceError',
        type + (referenceName ? ' `' + referenceName + '`' : '')
    );

    error.reference = referenceName;

    return error;
};

var MatchError = function(message, lexer, syntax, node, matchResult) {
    var error = createCustomError('SyntaxMatchError', message);
    var details = fromMatchResult(matchResult);
    var mismatchOffset = details.mismatchOffset || 0;
    var badNode = details.node || node;
    var end = getLocation(badNode, 'end');
    var start = details.last ? end : getLocation(badNode, 'start');
    var css = details.css;

    error.rawMessage = message;
    error.syntax = syntax ? generateGrammar(syntax) : '<generic>';
    error.css = css;
    error.mismatchOffset = mismatchOffset;
    error.loc = {
        source: (badNode && badNode.loc && badNode.loc.source) || '<unknown>',
        start: start,
        end: end
    };
    error.line = start ? start.line : undefined;
    error.column = start ? start.column : undefined;
    error.offset = start ? start.offset : undefined;
    error.message = message + '\n' +
        '  syntax: ' + error.syntax + '\n' +
        '   value: ' + (error.css || '<empty string>') + '\n' +
        '  --------' + new Array(error.mismatchOffset + 1).join('-') + '^';

    return error;
};

module.exports = {
    SyntaxReferenceError: SyntaxReferenceError,
    MatchError: MatchError
};


/***/ }),
/* 47 */
/***/ (function(module, exports, __webpack_require__) {

var createCustomError = __webpack_require__(23);

var SyntaxParseError = function(message, input, offset) {
    var error = createCustomError('SyntaxParseError', message);

    error.input = input;
    error.offset = offset;
    error.rawMessage = message;
    error.message = error.rawMessage + '\n' +
        '  ' + error.input + '\n' +
        '--' + new Array((error.offset || error.input.length) + 1).join('-') + '^';

    return error;
};

module.exports = {
    SyntaxParseError: SyntaxParseError
};


/***/ }),
/* 48 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var noop = function() {};

function ensureFunction(value) {
    return typeof value === 'function' ? value : noop;
}

module.exports = function(node, options, context) {
    function walk(node) {
        enter.call(context, node);

        switch (node.type) {
            case 'Group':
                node.terms.forEach(walk);
                break;

            case 'Multiplier':
                walk(node.term);
                break;

            case 'Type':
            case 'Property':
            case 'Keyword':
            case 'AtKeyword':
            case 'Function':
            case 'String':
            case 'Token':
            case 'Comma':
                break;

            default:
                throw new Error('Unknown type: ' + node.type);
        }

        leave.call(context, node);
    }

    var enter = noop;
    var leave = noop;

    if (typeof options === 'function') {
        enter = options;
    } else if (options) {
        enter = ensureFunction(options.enter);
        leave = ensureFunction(options.leave);
    }

    if (enter === noop && leave === noop) {
        throw new Error('Neither `enter` nor `leave` walker handler is set or both aren\'t a function');
    }

    walk(node, context);
};


/***/ }),
/* 49 */
/***/ (function(module, exports, __webpack_require__) {

var parse = __webpack_require__(27);

var MATCH = { type: 'Match' };
var MISMATCH = { type: 'Mismatch' };
var DISALLOW_EMPTY = { type: 'DisallowEmpty' };
var LEFTPARENTHESIS = 40;  // (
var RIGHTPARENTHESIS = 41; // )

function createCondition(match, thenBranch, elseBranch) {
    // reduce node count
    if (thenBranch === MATCH && elseBranch === MISMATCH) {
        return match;
    }

    if (match === MATCH && thenBranch === MATCH && elseBranch === MATCH) {
        return match;
    }

    if (match.type === 'If' && match.else === MISMATCH && thenBranch === MATCH) {
        thenBranch = match.then;
        match = match.match;
    }

    return {
        type: 'If',
        match: match,
        then: thenBranch,
        else: elseBranch
    };
}

function isFunctionType(name) {
    return (
        name.length > 2 &&
        name.charCodeAt(name.length - 2) === LEFTPARENTHESIS &&
        name.charCodeAt(name.length - 1) === RIGHTPARENTHESIS
    );
}

function isEnumCapatible(term) {
    return (
        term.type === 'Keyword' ||
        term.type === 'AtKeyword' ||
        term.type === 'Function' ||
        term.type === 'Type' && isFunctionType(term.name)
    );
}

function buildGroupMatchGraph(combinator, terms, atLeastOneTermMatched) {
    switch (combinator) {
        case ' ':
            // Juxtaposing components means that all of them must occur, in the given order.
            //
            // a b c
            // =
            // match a
            //   then match b
            //     then match c
            //       then MATCH
            //       else MISMATCH
            //     else MISMATCH
            //   else MISMATCH
            var result = MATCH;

            for (var i = terms.length - 1; i >= 0; i--) {
                var term = terms[i];

                result = createCondition(
                    term,
                    result,
                    MISMATCH
                );
            };

            return result;

        case '|':
            // A bar (|) separates two or more alternatives: exactly one of them must occur.
            //
            // a | b | c
            // =
            // match a
            //   then MATCH
            //   else match b
            //     then MATCH
            //     else match c
            //       then MATCH
            //       else MISMATCH

            var result = MISMATCH;
            var map = null;

            for (var i = terms.length - 1; i >= 0; i--) {
                var term = terms[i];

                // reduce sequence of keywords into a Enum
                if (isEnumCapatible(term)) {
                    if (map === null && i > 0 && isEnumCapatible(terms[i - 1])) {
                        map = Object.create(null);
                        result = createCondition(
                            {
                                type: 'Enum',
                                map: map
                            },
                            MATCH,
                            result
                        );
                    }

                    if (map !== null) {
                        var key = (isFunctionType(term.name) ? term.name.slice(0, -1) : term.name).toLowerCase();
                        if (key in map === false) {
                            map[key] = term;
                            continue;
                        }
                    }
                }

                map = null;

                // create a new conditonal node
                result = createCondition(
                    term,
                    MATCH,
                    result
                );
            };

            return result;

        case '&&':
            // A double ampersand (&&) separates two or more components,
            // all of which must occur, in any order.

            // Use MatchOnce for groups with a large number of terms,
            // since &&-groups produces at least N!-node trees
            if (terms.length > 5) {
                return {
                    type: 'MatchOnce',
                    terms: terms,
                    all: true
                };
            }

            // Use a combination tree for groups with small number of terms
            //
            // a && b && c
            // =
            // match a
            //   then [b && c]
            //   else match b
            //     then [a && c]
            //     else match c
            //       then [a && b]
            //       else MISMATCH
            //
            // a && b
            // =
            // match a
            //   then match b
            //     then MATCH
            //     else MISMATCH
            //   else match b
            //     then match a
            //       then MATCH
            //       else MISMATCH
            //     else MISMATCH
            var result = MISMATCH;

            for (var i = terms.length - 1; i >= 0; i--) {
                var term = terms[i];
                var thenClause;

                if (terms.length > 1) {
                    thenClause = buildGroupMatchGraph(
                        combinator,
                        terms.filter(function(newGroupTerm) {
                            return newGroupTerm !== term;
                        }),
                        false
                    );
                } else {
                    thenClause = MATCH;
                }

                result = createCondition(
                    term,
                    thenClause,
                    result
                );
            };

            return result;

        case '||':
            // A double bar (||) separates two or more options:
            // one or more of them must occur, in any order.

            // Use MatchOnce for groups with a large number of terms,
            // since ||-groups produces at least N!-node trees
            if (terms.length > 5) {
                return {
                    type: 'MatchOnce',
                    terms: terms,
                    all: false
                };;
            }

            // Use a combination tree for groups with small number of terms
            //
            // a || b || c
            // =
            // match a
            //   then [b || c]
            //   else match b
            //     then [a || c]
            //     else match c
            //       then [a || b]
            //       else MISMATCH
            //
            // a || b
            // =
            // match a
            //   then match b
            //     then MATCH
            //     else MATCH
            //   else match b
            //     then match a
            //       then MATCH
            //       else MATCH
            //     else MISMATCH
            var result = atLeastOneTermMatched ? MATCH : MISMATCH;

            for (var i = terms.length - 1; i >= 0; i--) {
                var term = terms[i];
                var thenClause;

                if (terms.length > 1) {
                    thenClause = buildGroupMatchGraph(
                        combinator,
                        terms.filter(function(newGroupTerm) {
                            return newGroupTerm !== term;
                        }),
                        true
                    );
                } else {
                    thenClause = MATCH;
                }

                result = createCondition(
                    term,
                    thenClause,
                    result
                );
            };

            return result;
    }
}

function buildMultiplierMatchGraph(node) {
    var result = MATCH;
    var matchTerm = buildMatchGraph(node.term);

    if (node.max === 0) {
        // disable repeating of empty match to prevent infinite loop
        matchTerm = createCondition(
            matchTerm,
            DISALLOW_EMPTY,
            MISMATCH
        );

        // an occurrence count is not limited, make a cycle;
        // to collect more terms on each following matching mismatch
        result = createCondition(
            matchTerm,
            null, // will be a loop
            MISMATCH
        );

        result.then = createCondition(
            MATCH,
            MATCH,
            result // make a loop
        );

        if (node.comma) {
            result.then.else = createCondition(
                { type: 'Comma', syntax: node },
                result,
                MISMATCH
            );
        }
    } else {
        // create a match node chain for [min .. max] interval with optional matches
        for (var i = node.min || 1; i <= node.max; i++) {
            if (node.comma && result !== MATCH) {
                result = createCondition(
                    { type: 'Comma', syntax: node },
                    result,
                    MISMATCH
                );
            }

            result = createCondition(
                matchTerm,
                createCondition(
                    MATCH,
                    MATCH,
                    result
                ),
                MISMATCH
            );
        }
    }

    if (node.min === 0) {
        // allow zero match
        result = createCondition(
            MATCH,
            MATCH,
            result
        );
    } else {
        // create a match node chain to collect [0 ... min - 1] required matches
        for (var i = 0; i < node.min - 1; i++) {
            if (node.comma && result !== MATCH) {
                result = createCondition(
                    { type: 'Comma', syntax: node },
                    result,
                    MISMATCH
                );
            }

            result = createCondition(
                matchTerm,
                result,
                MISMATCH
            );
        }
    }

    return result;
}

function buildMatchGraph(node) {
    if (typeof node === 'function') {
        return {
            type: 'Generic',
            fn: node
        };
    }

    switch (node.type) {
        case 'Group':
            var result = buildGroupMatchGraph(
                node.combinator,
                node.terms.map(buildMatchGraph),
                false
            );

            if (node.disallowEmpty) {
                result = createCondition(
                    result,
                    DISALLOW_EMPTY,
                    MISMATCH
                );
            }

            return result;

        case 'Multiplier':
            return buildMultiplierMatchGraph(node);

        case 'Type':
        case 'Property':
            return {
                type: node.type,
                name: node.name,
                syntax: node
            };

        case 'Keyword':
            return {
                type: node.type,
                name: node.name.toLowerCase(),
                syntax: node
            };

        case 'AtKeyword':
            return {
                type: node.type,
                name: '@' + node.name.toLowerCase(),
                syntax: node
            };

        case 'Function':
            return {
                type: node.type,
                name: node.name.toLowerCase() + '(',
                syntax: node
            };

        case 'String':
            // convert a one char length String to a Token
            if (node.value.length === 3) {
                return {
                    type: 'Token',
                    value: node.value.charAt(1),
                    syntax: node
                };
            }

            // otherwise use it as is
            return {
                type: node.type,
                value: node.value,
                syntax: node
            };

        case 'Token':
            return {
                type: node.type,
                value: node.value,
                syntax: node
            };

        case 'Comma':
            return {
                type: node.type,
                syntax: node
            };

        default:
            throw new Error('Unknown node type:', node.type);
    }
}

module.exports = {
    MATCH: MATCH,
    MISMATCH: MISMATCH,
    DISALLOW_EMPTY: DISALLOW_EMPTY,
    buildMatchGraph: function(syntaxTree, ref) {
        if (typeof syntaxTree === 'string') {
            syntaxTree = parse(syntaxTree);
        }

        return {
            type: 'MatchGraph',
            match: buildMatchGraph(syntaxTree),
            syntax: ref || null,
            source: syntaxTree
        };
    }
};


/***/ }),
/* 50 */
/***/ (function(module, exports, __webpack_require__) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

var base64VLQ = __webpack_require__(51);
var util = __webpack_require__(9);
var ArraySet = __webpack_require__(52).ArraySet;
var MappingList = __webpack_require__(116).MappingList;

/**
 * An instance of the SourceMapGenerator represents a source map which is
 * being built incrementally. You may pass an object with the following
 * properties:
 *
 *   - file: The filename of the generated source.
 *   - sourceRoot: A root for all relative URLs in this source map.
 */
function SourceMapGenerator(aArgs) {
  if (!aArgs) {
    aArgs = {};
  }
  this._file = util.getArg(aArgs, 'file', null);
  this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);
  this._skipValidation = util.getArg(aArgs, 'skipValidation', false);
  this._sources = new ArraySet();
  this._names = new ArraySet();
  this._mappings = new MappingList();
  this._sourcesContents = null;
}

SourceMapGenerator.prototype._version = 3;

/**
 * Creates a new SourceMapGenerator based on a SourceMapConsumer
 *
 * @param aSourceMapConsumer The SourceMap.
 */
SourceMapGenerator.fromSourceMap =
  function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) {
    var sourceRoot = aSourceMapConsumer.sourceRoot;
    var generator = new SourceMapGenerator({
      file: aSourceMapConsumer.file,
      sourceRoot: sourceRoot
    });
    aSourceMapConsumer.eachMapping(function (mapping) {
      var newMapping = {
        generated: {
          line: mapping.generatedLine,
          column: mapping.generatedColumn
        }
      };

      if (mapping.source != null) {
        newMapping.source = mapping.source;
        if (sourceRoot != null) {
          newMapping.source = util.relative(sourceRoot, newMapping.source);
        }

        newMapping.original = {
          line: mapping.originalLine,
          column: mapping.originalColumn
        };

        if (mapping.name != null) {
          newMapping.name = mapping.name;
        }
      }

      generator.addMapping(newMapping);
    });
    aSourceMapConsumer.sources.forEach(function (sourceFile) {
      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
      if (content != null) {
        generator.setSourceContent(sourceFile, content);
      }
    });
    return generator;
  };

/**
 * Add a single mapping from original source line and column to the generated
 * source's line and column for this source map being created. The mapping
 * object should have the following properties:
 *
 *   - generated: An object with the generated line and column positions.
 *   - original: An object with the original line and column positions.
 *   - source: The original source file (relative to the sourceRoot).
 *   - name: An optional original token name for this mapping.
 */
SourceMapGenerator.prototype.addMapping =
  function SourceMapGenerator_addMapping(aArgs) {
    var generated = util.getArg(aArgs, 'generated');
    var original = util.getArg(aArgs, 'original', null);
    var source = util.getArg(aArgs, 'source', null);
    var name = util.getArg(aArgs, 'name', null);

    if (!this._skipValidation) {
      this._validateMapping(generated, original, source, name);
    }

    if (source != null) {
      source = String(source);
      if (!this._sources.has(source)) {
        this._sources.add(source);
      }
    }

    if (name != null) {
      name = String(name);
      if (!this._names.has(name)) {
        this._names.add(name);
      }
    }

    this._mappings.add({
      generatedLine: generated.line,
      generatedColumn: generated.column,
      originalLine: original != null && original.line,
      originalColumn: original != null && original.column,
      source: source,
      name: name
    });
  };

/**
 * Set the source content for a source file.
 */
SourceMapGenerator.prototype.setSourceContent =
  function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) {
    var source = aSourceFile;
    if (this._sourceRoot != null) {
      source = util.relative(this._sourceRoot, source);
    }

    if (aSourceContent != null) {
      // Add the source content to the _sourcesContents map.
      // Create a new _sourcesContents map if the property is null.
      if (!this._sourcesContents) {
        this._sourcesContents = Object.create(null);
      }
      this._sourcesContents[util.toSetString(source)] = aSourceContent;
    } else if (this._sourcesContents) {
      // Remove the source file from the _sourcesContents map.
      // If the _sourcesContents map is empty, set the property to null.
      delete this._sourcesContents[util.toSetString(source)];
      if (Object.keys(this._sourcesContents).length === 0) {
        this._sourcesContents = null;
      }
    }
  };

/**
 * Applies the mappings of a sub-source-map for a specific source file to the
 * source map being generated. Each mapping to the supplied source file is
 * rewritten using the supplied source map. Note: The resolution for the
 * resulting mappings is the minimium of this map and the supplied map.
 *
 * @param aSourceMapConsumer The source map to be applied.
 * @param aSourceFile Optional. The filename of the source file.
 *        If omitted, SourceMapConsumer's file property will be used.
 * @param aSourceMapPath Optional. The dirname of the path to the source map
 *        to be applied. If relative, it is relative to the SourceMapConsumer.
 *        This parameter is needed when the two source maps aren't in the same
 *        directory, and the source map to be applied contains relative source
 *        paths. If so, those relative source paths need to be rewritten
 *        relative to the SourceMapGenerator.
 */
SourceMapGenerator.prototype.applySourceMap =
  function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile, aSourceMapPath) {
    var sourceFile = aSourceFile;
    // If aSourceFile is omitted, we will use the file property of the SourceMap
    if (aSourceFile == null) {
      if (aSourceMapConsumer.file == null) {
        throw new Error(
          'SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, ' +
          'or the source map\'s "file" property. Both were omitted.'
        );
      }
      sourceFile = aSourceMapConsumer.file;
    }
    var sourceRoot = this._sourceRoot;
    // Make "sourceFile" relative if an absolute Url is passed.
    if (sourceRoot != null) {
      sourceFile = util.relative(sourceRoot, sourceFile);
    }
    // Applying the SourceMap can add and remove items from the sources and
    // the names array.
    var newSources = new ArraySet();
    var newNames = new ArraySet();

    // Find mappings for the "sourceFile"
    this._mappings.unsortedForEach(function (mapping) {
      if (mapping.source === sourceFile && mapping.originalLine != null) {
        // Check if it can be mapped by the source map, then update the mapping.
        var original = aSourceMapConsumer.originalPositionFor({
          line: mapping.originalLine,
          column: mapping.originalColumn
        });
        if (original.source != null) {
          // Copy mapping
          mapping.source = original.source;
          if (aSourceMapPath != null) {
            mapping.source = util.join(aSourceMapPath, mapping.source)
          }
          if (sourceRoot != null) {
            mapping.source = util.relative(sourceRoot, mapping.source);
          }
          mapping.originalLine = original.line;
          mapping.originalColumn = original.column;
          if (original.name != null) {
            mapping.name = original.name;
          }
        }
      }

      var source = mapping.source;
      if (source != null && !newSources.has(source)) {
        newSources.add(source);
      }

      var name = mapping.name;
      if (name != null && !newNames.has(name)) {
        newNames.add(name);
      }

    }, this);
    this._sources = newSources;
    this._names = newNames;

    // Copy sourcesContents of applied map.
    aSourceMapConsumer.sources.forEach(function (sourceFile) {
      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
      if (content != null) {
        if (aSourceMapPath != null) {
          sourceFile = util.join(aSourceMapPath, sourceFile);
        }
        if (sourceRoot != null) {
          sourceFile = util.relative(sourceRoot, sourceFile);
        }
        this.setSourceContent(sourceFile, content);
      }
    }, this);
  };

/**
 * A mapping can have one of the three levels of data:
 *
 *   1. Just the generated position.
 *   2. The Generated position, original position, and original source.
 *   3. Generated and original position, original source, as well as a name
 *      token.
 *
 * To maintain consistency, we validate that any new mapping being added falls
 * in to one of these categories.
 */
SourceMapGenerator.prototype._validateMapping =
  function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource,
                                              aName) {
    // When aOriginal is truthy but has empty values for .line and .column,
    // it is most likely a programmer error. In this case we throw a very
    // specific error message to try to guide them the right way.
    // For example: https://github.com/Polymer/polymer-bundler/pull/519
    if (aOriginal && typeof aOriginal.line !== 'number' && typeof aOriginal.column !== 'number') {
        throw new Error(
            'original.line and original.column are not numbers -- you probably meant to omit ' +
            'the original mapping entirely and only map the generated position. If so, pass ' +
            'null for the original mapping instead of an object with empty or null values.'
        );
    }

    if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
        && aGenerated.line > 0 && aGenerated.column >= 0
        && !aOriginal && !aSource && !aName) {
      // Case 1.
      return;
    }
    else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
             && aOriginal && 'line' in aOriginal && 'column' in aOriginal
             && aGenerated.line > 0 && aGenerated.column >= 0
             && aOriginal.line > 0 && aOriginal.column >= 0
             && aSource) {
      // Cases 2 and 3.
      return;
    }
    else {
      throw new Error('Invalid mapping: ' + JSON.stringify({
        generated: aGenerated,
        source: aSource,
        original: aOriginal,
        name: aName
      }));
    }
  };

/**
 * Serialize the accumulated mappings in to the stream of base 64 VLQs
 * specified by the source map format.
 */
SourceMapGenerator.prototype._serializeMappings =
  function SourceMapGenerator_serializeMappings() {
    var previousGeneratedColumn = 0;
    var previousGeneratedLine = 1;
    var previousOriginalColumn = 0;
    var previousOriginalLine = 0;
    var previousName = 0;
    var previousSource = 0;
    var result = '';
    var next;
    var mapping;
    var nameIdx;
    var sourceIdx;

    var mappings = this._mappings.toArray();
    for (var i = 0, len = mappings.length; i < len; i++) {
      mapping = mappings[i];
      next = ''

      if (mapping.generatedLine !== previousGeneratedLine) {
        previousGeneratedColumn = 0;
        while (mapping.generatedLine !== previousGeneratedLine) {
          next += ';';
          previousGeneratedLine++;
        }
      }
      else {
        if (i > 0) {
          if (!util.compareByGeneratedPositionsInflated(mapping, mappings[i - 1])) {
            continue;
          }
          next += ',';
        }
      }

      next += base64VLQ.encode(mapping.generatedColumn
                                 - previousGeneratedColumn);
      previousGeneratedColumn = mapping.generatedColumn;

      if (mapping.source != null) {
        sourceIdx = this._sources.indexOf(mapping.source);
        next += base64VLQ.encode(sourceIdx - previousSource);
        previousSource = sourceIdx;

        // lines are stored 0-based in SourceMap spec version 3
        next += base64VLQ.encode(mapping.originalLine - 1
                                   - previousOriginalLine);
        previousOriginalLine = mapping.originalLine - 1;

        next += base64VLQ.encode(mapping.originalColumn
                                   - previousOriginalColumn);
        previousOriginalColumn = mapping.originalColumn;

        if (mapping.name != null) {
          nameIdx = this._names.indexOf(mapping.name);
          next += base64VLQ.encode(nameIdx - previousName);
          previousName = nameIdx;
        }
      }

      result += next;
    }

    return result;
  };

SourceMapGenerator.prototype._generateSourcesContent =
  function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) {
    return aSources.map(function (source) {
      if (!this._sourcesContents) {
        return null;
      }
      if (aSourceRoot != null) {
        source = util.relative(aSourceRoot, source);
      }
      var key = util.toSetString(source);
      return Object.prototype.hasOwnProperty.call(this._sourcesContents, key)
        ? this._sourcesContents[key]
        : null;
    }, this);
  };

/**
 * Externalize the source map.
 */
SourceMapGenerator.prototype.toJSON =
  function SourceMapGenerator_toJSON() {
    var map = {
      version: this._version,
      sources: this._sources.toArray(),
      names: this._names.toArray(),
      mappings: this._serializeMappings()
    };
    if (this._file != null) {
      map.file = this._file;
    }
    if (this._sourceRoot != null) {
      map.sourceRoot = this._sourceRoot;
    }
    if (this._sourcesContents) {
      map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot);
    }

    return map;
  };

/**
 * Render the source map being generated to a string.
 */
SourceMapGenerator.prototype.toString =
  function SourceMapGenerator_toString() {
    return JSON.stringify(this.toJSON());
  };

exports.SourceMapGenerator = SourceMapGenerator;


/***/ }),
/* 51 */
/***/ (function(module, exports, __webpack_require__) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 *
 * Based on the Base 64 VLQ implementation in Closure Compiler:
 * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java
 *
 * Copyright 2011 The Closure Compiler Authors. All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer in the documentation and/or other materials provided
 *    with the distribution.
 *  * Neither the name of Google Inc. nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

var base64 = __webpack_require__(115);

// A single base 64 digit can contain 6 bits of data. For the base 64 variable
// length quantities we use in the source map spec, the first bit is the sign,
// the next four bits are the actual value, and the 6th bit is the
// continuation bit. The continuation bit tells us whether there are more
// digits in this value following this digit.
//
//   Continuation
//   |    Sign
//   |    |
//   V    V
//   101011

var VLQ_BASE_SHIFT = 5;

// binary: 100000
var VLQ_BASE = 1 << VLQ_BASE_SHIFT;

// binary: 011111
var VLQ_BASE_MASK = VLQ_BASE - 1;

// binary: 100000
var VLQ_CONTINUATION_BIT = VLQ_BASE;

/**
 * Converts from a two-complement value to a value where the sign bit is
 * placed in the least significant bit.  For example, as decimals:
 *   1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
 *   2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
 */
function toVLQSigned(aValue) {
  return aValue < 0
    ? ((-aValue) << 1) + 1
    : (aValue << 1) + 0;
}

/**
 * Converts to a two-complement value from a value where the sign bit is
 * placed in the least significant bit.  For example, as decimals:
 *   2 (10 binary) becomes 1, 3 (11 binary) becomes -1
 *   4 (100 binary) becomes 2, 5 (101 binary) becomes -2
 */
function fromVLQSigned(aValue) {
  var isNegative = (aValue & 1) === 1;
  var shifted = aValue >> 1;
  return isNegative
    ? -shifted
    : shifted;
}

/**
 * Returns the base 64 VLQ encoded value.
 */
exports.encode = function base64VLQ_encode(aValue) {
  var encoded = "";
  var digit;

  var vlq = toVLQSigned(aValue);

  do {
    digit = vlq & VLQ_BASE_MASK;
    vlq >>>= VLQ_BASE_SHIFT;
    if (vlq > 0) {
      // There are still more digits in this value, so we must make sure the
      // continuation bit is marked.
      digit |= VLQ_CONTINUATION_BIT;
    }
    encoded += base64.encode(digit);
  } while (vlq > 0);

  return encoded;
};

/**
 * Decodes the next base 64 VLQ value from the given string and returns the
 * value and the rest of the string via the out parameter.
 */
exports.decode = function base64VLQ_decode(aStr, aIndex, aOutParam) {
  var strLen = aStr.length;
  var result = 0;
  var shift = 0;
  var continuation, digit;

  do {
    if (aIndex >= strLen) {
      throw new Error("Expected more digits in base 64 VLQ value.");
    }

    digit = base64.decode(aStr.charCodeAt(aIndex++));
    if (digit === -1) {
      throw new Error("Invalid base64 digit: " + aStr.charAt(aIndex - 1));
    }

    continuation = !!(digit & VLQ_CONTINUATION_BIT);
    digit &= VLQ_BASE_MASK;
    result = result + (digit << shift);
    shift += VLQ_BASE_SHIFT;
  } while (continuation);

  aOutParam.value = fromVLQSigned(result);
  aOutParam.rest = aIndex;
};


/***/ }),
/* 52 */
/***/ (function(module, exports, __webpack_require__) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

var util = __webpack_require__(9);
var has = Object.prototype.hasOwnProperty;
var hasNativeMap = typeof Map !== "undefined";

/**
 * A data structure which is a combination of an array and a set. Adding a new
 * member is O(1), testing for membership is O(1), and finding the index of an
 * element is O(1). Removing elements from the set is not supported. Only
 * strings are supported for membership.
 */
function ArraySet() {
  this._array = [];
  this._set = hasNativeMap ? new Map() : Object.create(null);
}

/**
 * Static method for creating ArraySet instances from an existing array.
 */
ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) {
  var set = new ArraySet();
  for (var i = 0, len = aArray.length; i < len; i++) {
    set.add(aArray[i], aAllowDuplicates);
  }
  return set;
};

/**
 * Return how many unique items are in this ArraySet. If duplicates have been
 * added, than those do not count towards the size.
 *
 * @returns Number
 */
ArraySet.prototype.size = function ArraySet_size() {
  return hasNativeMap ? this._set.size : Object.getOwnPropertyNames(this._set).length;
};

/**
 * Add the given string to this set.
 *
 * @param String aStr
 */
ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) {
  var sStr = hasNativeMap ? aStr : util.toSetString(aStr);
  var isDuplicate = hasNativeMap ? this.has(aStr) : has.call(this._set, sStr);
  var idx = this._array.length;
  if (!isDuplicate || aAllowDuplicates) {
    this._array.push(aStr);
  }
  if (!isDuplicate) {
    if (hasNativeMap) {
      this._set.set(aStr, idx);
    } else {
      this._set[sStr] = idx;
    }
  }
};

/**
 * Is the given string a member of this set?
 *
 * @param String aStr
 */
ArraySet.prototype.has = function ArraySet_has(aStr) {
  if (hasNativeMap) {
    return this._set.has(aStr);
  } else {
    var sStr = util.toSetString(aStr);
    return has.call(this._set, sStr);
  }
};

/**
 * What is the index of the given string in the array?
 *
 * @param String aStr
 */
ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) {
  if (hasNativeMap) {
    var idx = this._set.get(aStr);
    if (idx >= 0) {
        return idx;
    }
  } else {
    var sStr = util.toSetString(aStr);
    if (has.call(this._set, sStr)) {
      return this._set[sStr];
    }
  }

  throw new Error('"' + aStr + '" is not in the set.');
};

/**
 * What is the element at the given index?
 *
 * @param Number aIdx
 */
ArraySet.prototype.at = function ArraySet_at(aIdx) {
  if (aIdx >= 0 && aIdx < this._array.length) {
    return this._array[aIdx];
  }
  throw new Error('No element indexed by ' + aIdx);
};

/**
 * Returns the array representation of this set (which has the proper indices
 * indicated by indexOf). Note that this is a copy of the internal array used
 * for storing the members so that no one can mess with internal state.
 */
ArraySet.prototype.toArray = function ArraySet_toArray() {
  return this._array.slice();
};

exports.ArraySet = ArraySet;


/***/ }),
/* 53 */
/***/ (function(module, exports, __webpack_require__) {

var cmpChar = __webpack_require__(0).cmpChar;
var TYPE = __webpack_require__(0).TYPE;

var IDENTIFIER = TYPE.Identifier;
var STRING = TYPE.String;
var NUMBER = TYPE.Number;
var FUNCTION = TYPE.Function;
var URL = TYPE.Url;
var NUMBERSIGN = TYPE.NumberSign;
var LEFTPARENTHESIS = TYPE.LeftParenthesis;
var LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;
var PLUSSIGN = TYPE.PlusSign;
var HYPHENMINUS = TYPE.HyphenMinus;
var COMMA = TYPE.Comma;
var SOLIDUS = TYPE.Solidus;
var ASTERISK = TYPE.Asterisk;
var PERCENTSIGN = TYPE.PercentSign;
var BACKSLASH = TYPE.Backslash;
var U = 117; // 'u'.charCodeAt(0)

module.exports = function defaultRecognizer(context) {
    switch (this.scanner.tokenType) {
        case NUMBERSIGN:
            return this.HexColor();

        case COMMA:
            context.space = null;
            context.ignoreWSAfter = true;
            return this.Operator();

        case SOLIDUS:
        case ASTERISK:
        case PLUSSIGN:
        case HYPHENMINUS:
            return this.Operator();

        case LEFTPARENTHESIS:
            return this.Parentheses(this.readSequence, context.recognizer);

        case LEFTSQUAREBRACKET:
            return this.Brackets(this.readSequence, context.recognizer);

        case STRING:
            return this.String();

        case NUMBER:
            switch (this.scanner.lookupType(1)) {
                case PERCENTSIGN:
                    return this.Percentage();

                case IDENTIFIER:
                    // edge case: number with folowing \0 and \9 hack shouldn't to be a Dimension
                    if (cmpChar(this.scanner.source, this.scanner.tokenEnd, BACKSLASH)) {
                        return this.Number();
                    } else {
                        return this.Dimension();
                    }

                default:
                    return this.Number();
            }

        case FUNCTION:
            return this.Function(this.readSequence, context.recognizer);

        case URL:
            return this.Url();

        case IDENTIFIER:
            // check for unicode range, it should start with u+ or U+
            if (cmpChar(this.scanner.source, this.scanner.tokenStart, U) &&
                cmpChar(this.scanner.source, this.scanner.tokenStart + 1, PLUSSIGN)) {
                return this.UnicodeRange();
            } else {
                return this.Identifier();
            }
    }
};


/***/ }),
/* 54 */
/***/ (function(module, exports) {

// https://drafts.csswg.org/css-images-4/#element-notation
// https://developer.mozilla.org/en-US/docs/Web/CSS/element
module.exports = function() {
    this.scanner.skipSC();

    var children = this.createSingleNodeList(
        this.IdSelector()
    );

    this.scanner.skipSC();

    return children;
};


/***/ }),
/* 55 */
/***/ (function(module, exports) {

module.exports = {
    parse: function selectorList() {
        return this.createSingleNodeList(
            this.SelectorList()
        );
    }
};


/***/ }),
/* 56 */
/***/ (function(module, exports) {

var ALLOW_OF_CLAUSE = true;

module.exports = {
    parse: function nthWithOfClause() {
        return this.createSingleNodeList(
            this.Nth(ALLOW_OF_CLAUSE)
        );
    }
};


/***/ }),
/* 57 */
/***/ (function(module, exports) {

var DISALLOW_OF_CLAUSE = false;

module.exports = {
    parse: function nth() {
        return this.createSingleNodeList(
            this.Nth(DISALLOW_OF_CLAUSE)
        );
    }
};


/***/ }),
/* 58 */
/***/ (function(module, exports) {

function removeItemAndRedundantWhiteSpace(list, item) {
    var prev = item.prev;
    var next = item.next;

    if (next !== null) {
        if (next.data.type === 'WhiteSpace' && (prev === null || prev.data.type === 'WhiteSpace')) {
            list.remove(next);
        }
    } else if (prev !== null && prev.data.type === 'WhiteSpace') {
        list.remove(prev);
    }

    list.remove(item);
}

module.exports = function compressBorder(node) {
    node.children.each(function(node, item, list) {
        if (node.type === 'Identifier' && node.name.toLowerCase() === 'none') {
            if (list.head === list.tail) {
                // replace `none` for zero when `none` is a single term
                item.data = {
                    type: 'Number',
                    loc: node.loc,
                    value: '0'
                };
            } else {
                removeItemAndRedundantWhiteSpace(list, item);
            }
        }
    });
};


/***/ }),
/* 59 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__(60)


/***/ }),
/* 60 */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {/* global Event */
const path = __webpack_require__(3)
const jComponent = __webpack_require__(31)

const _ = __webpack_require__(10)
const wxss = __webpack_require__(72)
const compile = __webpack_require__(227)
const injectPolyfill = __webpack_require__(228)
const injectDefinition = __webpack_require__(229)

const componentMap = {}
let nowLoad = null

/**
 * 自定义组件构造器
 */
global.Component = options => {
    const component = nowLoad
    const pathToIdMap = component.pathToIdMap
    const definition = Object.assign({
        id: component.id,
        path: component.path,
        template: component.wxml,
        usingComponents: component.json.usingComponents,
        tagName: component.tagName,
    }, options)
    definition.options = Object.assign({
        classPrefix: component.tagName,
    }, definition.options || {})

    // 处理 relations
    if (definition.relations) {
        Object.keys(definition.relations).forEach(key => {
            const value = definition.relations[key]
            const componentPath = _.isAbsolute(key) ? key : path.join(path.dirname(component.path), key)
            const id = pathToIdMap[componentPath]
            if (id) {
                // 将涉及到的自定义组件路径转成 id
                value.target = id
                definition.relations[id] = value
                delete definition.relations[key]
            }
        })
    }

    jComponent.register(definition)
}

/**
 * behavior 构造器
 */
global.Behavior = definition => jComponent.behavior(definition)

/**
 * 加载 behavior
 */
function behavior(definition) {
    if (typeof definition !== 'object') {
        throw new Error('definition must be a object')
    }

    return jComponent.behavior(definition)
}

/* eslint-disable complexity */
/**
 * 注册自定义组件
 */
function register(componentPath, tagName, cache, hasRegisterCache) {
    // 用于 wcc 编译器使用
    window.__webview_engine_version__ = 0.02

    if (typeof componentPath === 'object') {
        // 直接传入定义对象
        const definition = componentPath

        return jComponent.register(definition)
    }

    if (typeof componentPath !== 'string') {
        throw new Error('componentPath must be a string')
    }

    if (!tagName || typeof tagName !== 'string') {
        tagName = 'main' // 默认标签名
    }

    const id = _.getId()

    if (hasRegisterCache[componentPath]) return hasRegisterCache[componentPath]
    hasRegisterCache[componentPath] = id

    const component = {
        id,
        path: componentPath,
        tagName,
        json: _.readJson(`${componentPath}.json`),
    }

    if (!component.json) {
        throw new Error(`invalid componentPath: ${componentPath}`)
    }

    // 先加载 using components
    const rootPath = cache.options.rootPath
    const usingComponents = component.json.usingComponents || {}
    const overrideUsingComponents = cache.options.usingComponents || {}
    Object.assign(usingComponents, overrideUsingComponents)
    const usingComponentKeys = Object.keys(usingComponents)
    for (let i = 0, len = usingComponentKeys.length; i < len; i++) {
        const key = usingComponentKeys[i]

        const value = usingComponents[key]
        const usingPath = _.isAbsolute(value) ? path.join(rootPath, value) : path.join(path.dirname(componentPath), value)
        
        if (_.readFile(`${usingPath}.json`)) {
            // 文件路径
            const id = register(usingPath, key, cache, hasRegisterCache)
            usingComponents[key] = id
        }
    }

    // 读取自定义组件的静态内容
    component.wxml = compile.getWxml(componentPath, cache.options)
    component.wxss = wxss.getContent(`${componentPath}.wxss`)

    // 存入需要执行的自定义组件 js
    cache.needRunJsList.push([componentPath, component])

    // 保存追加了已编译的 wxss
    cache.wxss.push(wxss.compile(component.wxss, {
        prefix: tagName,
        ...cache.options,
    }))

    return component.id
}

/**
 * 加载自定义组件
 */
function load(componentPath, tagName, options = {}) {
    if (typeof tagName === 'object') {
        options = tagName
        tagName = ''
    }

    if (typeof componentPath === 'string') {
        options = Object.assign({
            compiler: 'official', // official - 官方编译器、simulate - 纯 js 实现的模拟编译器
            rootPath: path.dirname(componentPath), // 项目根路径
        }, options)
    } else {
        options = Object.assign({
            compiler: 'simulate',
            rootPath: '',
        }, options)
    }

    const cache = {
        wxss: [],
        options,
        needRunJsList: [],
    }
    const hasRegisterCache = {}
    const id = register(componentPath, tagName, cache, hasRegisterCache)

    // 执行自定义组件 js
    cache.needRunJsList.forEach(item => {
        const oldLoad = nowLoad

        nowLoad = item[1] // nowLoad 用于执行用户代码调用 Component 构造器时注入额外的参数给 j-component
        nowLoad.pathToIdMap = hasRegisterCache
        _.runJs(item[0])

        nowLoad = oldLoad
    })

    // 存入缓存
    componentMap[id] = cache

    return id
}

/**
 * 渲染自定义组件
 */
function render(id, properties) {
    if (!id) throw new Error('you need to pass the componentId')

    const cache = componentMap[id]

    if (cache) {
        // 注入 wxss
        wxss.insert(cache.wxss, id)
    }

    return jComponent.create(id, properties)
}

/**
 * 比较 dom 节点是否符合某个 html 结构
 */
function match(dom, html) {
    if (!(dom instanceof window.Element) || !html || typeof html !== 'string') return false

    // 干掉一些换行符，以免生成不必要的 TextNode
    html = html.trim()
        .replace(/(>)[\n\r\s\t]+(<)/g, '$1$2')

    const a = dom.cloneNode()
    const b = dom.cloneNode()

    a.innerHTML = dom.innerHTML
    b.innerHTML = html

    return a.isEqualNode(b)
}

/**
 * 让线程等待一段时间再执行
 */
function sleep(time = 0) {
    return new Promise(resolve => {
        setTimeout(() => {
            resolve()
        }, time)
    })
}

/**
 * 模拟滚动
 */
function scroll(comp, destOffset = 0, times = 20, propName = 'scrollTop') {
    if (!comp || !comp.dom) throw new Error('invalid params')
    if (typeof times !== 'number' || times <= 0) times = 1

    destOffset = destOffset < 0 ? 0 : destOffset

    const dom = comp.dom
    const delta = destOffset - dom[propName]
    // eslint-disable-next-line no-bitwise
    const unit = ~~(delta / times)
    const env = _.getEnv()

    if (env === 'nodejs') {
        for (let i = 0; i < times; i++) {
            // nodejs 环境
            setTimeout(() => {
                if (i === times - 1) dom[propName] = destOffset
                else dom[propName] += unit

                // 模拟异步触发
                dom.dispatchEvent(new Event('scroll', {bubbles: true, cancelable: false}))
            }, 0)
        }
    } else {
        // 浏览器
        dom[propName] = destOffset
    }
}


injectPolyfill()
injectDefinition()

module.exports = {
    behavior,
    load,
    render,
    match,
    sleep,
    scroll,
}

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(2)))

/***/ }),
/* 61 */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {const exparser = __webpack_require__(4)
const ComponentManager = __webpack_require__(62)
const RootComponent = __webpack_require__(70)
const _ = __webpack_require__(5)

module.exports = {
  /**
   * 注册组件
   */
  register(definition = {}) {
    const componentManager = new ComponentManager(definition)

    return componentManager.id
  },

  /**
   * 注册 behavior
   */
  behavior(definition) {
    definition.is = _.getId(true)
    definition.options = {
      lazyRegistration: true,
      publicProperties: true,
    }

    _.adjustExparserDefinition(definition)
    definition.definitionFilter = exparser.Behavior.callDefinitionFilter(definition)
    exparser.registerBehavior(definition)

    return definition.is
  },

  /**
   * 创建组件实例
   */
  create(id, properties) {
    const componentManager = _.cache(id)

    if (!componentManager) return

    return new RootComponent(componentManager, properties)
  },
}

global.wxFormField = module.exports.behavior({
  id: 'wx://form-field',
  properties: {
    name: {
      type: String
    },
    value: {
      type: null
    }
  }
})

global.wxFormFieldGroup = module.exports.behavior({
  is: 'wx://form-field-group',
})

global.wxFormFieldButton = module.exports.behavior({
  is: 'wx://form-field-button',
  listeners: {
    formSubmit(data) {
      this.triggerEvent('formSubmit', data, {bubbles: true})
    },
    formReset(data) {
      this.triggerEvent('formReset', data, {bubbles: true})
    },
  }
})

global.wxComponentExport = module.exports.behavior({
  is: 'wx://component-export',
  definitionFilter(def) {
    if (typeof def.export === 'function') {
      if (typeof def.methods === 'object') {
        def.methods.__export__ = def.export
      } else {
        def.methods = {
          __export__: def.export,
        }
      }
    }
  }
})

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(2)))

/***/ }),
/* 62 */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {const exparser = __webpack_require__(4)
const compile = __webpack_require__(63)
const transform = __webpack_require__(67)
const diff = __webpack_require__(68)
const render = __webpack_require__(13)
const _ = __webpack_require__(5)
const SelectorQuery = __webpack_require__(69)
const IntersectionObserver = __webpack_require__(33)

const PATH_TO_ID_MAP = []

class ComponentManager {
  constructor(definition) {
    this.id = definition.id || _.getId(true)
    this.path = _.normalizeAbsolute(definition.path)
    this.definition = definition

    if (definition.tagName) _.setTagName(this.id, definition.tagName) // 保存标签名
    if (this.path) PATH_TO_ID_MAP[this.path] = this.id // 保存 path 到 id 的映射

    const template = definition.template

    this.data = {}
    this.generateFunc = typeof template === 'function' ? transform(template, definition.usingComponents || {}) : compile(template, this.data, definition.usingComponents || {}) // 解析编译模板
    this.exparserDef = this.registerToExparser()

    _.cache(this.id, this)
  }

  /**
   * 注册 exparser 组件
   */
  registerToExparser() {
    const definition = this.definition
    const options = definition.options || {}
    const usingComponents = definition.usingComponents || {}
    const using = Object.keys(usingComponents).map(key => usingComponents[key])
    let methods = {}

    definition.behaviors = definition.behaviors || []
    definition.behaviors = definition.behaviors.map((item) => {
      // 支持内置 behavior
      if (item === 'wx://component-export') {
        return global.wxComponentExport
      } else if (item === 'wx://form-field') {
        return global.wxFormField
      } else if (item === 'wx://form-field-group') {
        return global.wxFormFieldGroup
      } else if (item === 'wx://form-field-button') {
        return global.wxFormFieldButton
      }

      return item
    })

    _.adjustExparserDefinition(definition)

    const path = this.path
    const definitionFilter = exparser.Behavior.callDefinitionFilter(definition)
    const exparserDef = {
      is: this.id,
      using,
      generics: [], // TODO
      template: {
        func: this.generateFunc,
        data: this.data,
      },
      properties: definition.properties,
      data: definition.data,
      methods: definition.methods,
      behaviors: definition.behaviors,
      created: definition.created,
      attached: definition.attached,
      ready: definition.ready,
      moved: definition.moved,
      detached: definition.detached,
      saved: definition.saved,
      restored: definition.restored,
      relations: definition.relations,
      externalClasses: definition.externalClasses,
      options: {
        domain: `${options.writeOnly ? 'wo://' : ''}/`,
        writeOnly: options.writeOnly || false,
        allowInWriteOnly: false,
        lazyRegistration: true,
        classPrefix: options.classPrefix || '',
        addGlobalClass: false,
        templateEngine: TemplateEngine,
        renderingMode: 'full',
        multipleSlots: options.multipleSlots || false,
        publicProperties: true,
        reflectToAttributes: false,
        writeFieldsToNode: false,
        writeIdToDOM: false,
        virtualHost: options.virtualHost || undefined,
      },
      lifetimes: definition.lifetimes,
      pageLifetimes: definition.pageLifetimes,
      observers: definition.observers,
      definitionFilter,
      initiator() {
        // 更新方法调用者，即自定义组件中的 this
        const caller = Object.create(this, {
          data: {
            get: () => this.data,
            set: newData => this.data = newData,
            configurable: true
          },
        })
        const originalSetData = caller.setData
        const getSelectComponentResult = selected => {
          const selectedFilter = exparser.Component.getMethod(selected, '__export__')
          const defaultResult = exparser.Element.getMethodCaller(selected)
          if (selectedFilter) {
            const res = selectedFilter.call(exparser.Element.getMethodCaller(selected), caller)
            return res === undefined ? defaultResult : res
          }
          return defaultResult
        }

        caller._exparserNode = this // 存入原本对应的 exparserNode 实例
        caller.properties = caller.data
        caller.selectComponent = selector => {
          const exparserNode = this.shadowRoot.querySelector(selector)
          return getSelectComponentResult(exparserNode)
        }
        caller.selectAllComponents = selector => {
          const exparserNodes = this.shadowRoot.querySelectorAll(selector)
          return exparserNodes.map(item => getSelectComponentResult(item))
        }
        caller.createSelectorQuery = () => new SelectorQuery(caller)
        caller.createIntersectionObserver = options => new IntersectionObserver(caller, options)
        caller.setData = (data, callback) => {
          if (!originalSetData || typeof originalSetData !== 'function') return

          originalSetData.call(this, data)

          if (typeof callback === 'function') {
            // 模拟异步情况
            Promise.resolve().then(callback).catch(console.error)
          }
        }
        caller.getRelationNodes = relationKey => {
          if (!path || !relationKey) return null

          const id = PATH_TO_ID_MAP[_.relativeToAbsolute(path, relationKey)]
          if (!id) return null

          const res = this.getRelationNodes(id)
          if (!res) return null
          return res.map(exparserNode => exparser.Element.getMethodCaller(exparserNode))
        }

        Object.keys(methods).forEach(name => caller[name] = methods[name])
        exparser.Element.setMethodCaller(this, caller)
      },
    }

    const exparserReg = exparser.registerElement(exparserDef)
    exparser.Behavior.prepare(exparserReg.behavior)
    methods = exparserReg.behavior.methods

    return exparserReg
  }
}

/**
 * exparser 的模板引擎封装
 */
class TemplateEngine {
  static create(behavior, initValues) {
    const templateEngine = new TemplateEngine()
    const data = Object.assign({}, initValues, behavior.template.data)

    templateEngine._data = data
    templateEngine._generateFunc = behavior.template.func

    return templateEngine
  }

  static collectIdMapAndSlots(exparserNode, idMap, slots) {
    const children = exparserNode.childNodes

    for (const child of children) {
      if (child instanceof exparser.TextNode) continue
      if (child.__id) idMap[child.__id] = child
      if (child.__slotName !== undefined) slots[child.__slotName] = child

      TemplateEngine.collectIdMapAndSlots(child, idMap, slots)
    }
  }

  createInstance(exparserNode, properties = {}) {
    this._data = Object.assign(this._data, properties)
    this._vt = this._generateFunc({data: this._data}) // 生成虚拟树

    const instance = new TemplateEngineInstance()
    instance._generateFunc = this._generateFunc
    instance._vt = this._vt

    instance.data = _.copy(this._data)
    instance.idMap = {}
    instance.slots = {}
    instance.shadowRoot = render.renderExparserNode(instance._vt, exparserNode, null) // 渲染成 exparser 树
    instance.shadowRoot._vt = instance._vt
    instance.listeners = []

    TemplateEngine.collectIdMapAndSlots(instance.shadowRoot, instance.idMap, instance.slots)

    return instance
  }
}

/**
 * exparser 的模板引擎实例
 */
class TemplateEngineInstance {
  /**
   * 当遇到组件更新时，会触发此方法
   */
  updateValues(exparserNode, data, changedPaths, changedValues, changes) {
    const newVt = this._generateFunc({data}) // 生成新虚拟树

    // 合并到方法调用者的 data 中
    const callerData = exparser.Element.getMethodCaller(exparserNode).data
    const hasOwnProperty = Object.prototype.hasOwnProperty
    for (const changeInfo of changes) {
      if (!changeInfo) continue

      const path = changeInfo[0]
      const newData = changeInfo[1]
      let currentData = callerData
      let currentPath = path[0]

      // 检查更新路径
      for (let i = 1, len = path.length; i < len; i++) {
        const nextPath = path[i]
        const currentValue = currentData[currentPath]

        if (!hasOwnProperty.call(currentData, currentPath)) {
          // 不存在，则进行初始化
          if (typeof nextPath === 'number' && isFinite(nextPath)) {
            // 数组
            if (!Array.isArray(currentValue)) currentData[currentPath] = []
          } else if (currentValue === null || typeof currentValue !== 'object' || Array.isArray(currentValue)) {
            // 对象
            currentData[currentPath] = {}
          }
        }

        currentData = currentData[currentPath]
        currentPath = nextPath
      }

      const oldData = currentData[currentPath]
      currentData[currentPath] = _.copy(newData)
      changedValues = [currentData[currentPath], oldData]
    }

    // 应用更新
    diff.diffVt(this._vt, newVt)
    this._vt = newVt
  }
}

module.exports = ComponentManager

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(2)))

/***/ }),
/* 63 */
/***/ (function(module, exports, __webpack_require__) {

const parse = __webpack_require__(64)
const VirtualNode = __webpack_require__(65)
const expr = __webpack_require__(32)
const _ = __webpack_require__(5)
const CONSTANT = __webpack_require__(6)

/**
 * 过滤属性
 */
function filterAttrs(attrs) {
  const statement = {}
  const event = {}
  const normalAttrs = []

  for (const attr of attrs) {
    const name = attr.name
    const value = attr.value || ''

    if (name === 'wx:if') {
      statement.if = expr.getExpression(value)
    } else if (name === 'wx:elif') {
      statement.elif = expr.getExpression(value)
    } else if (name === 'wx:else') {
      statement.else = true
    } else if (name === 'wx:for') {
      statement.for = expr.getExpression(value)
    } else if (name === 'wx:for-item') {
      statement.forItem = value
    } else if (name === 'wx:for-index') {
      statement.forIndex = value
    } else if (name === 'wx:key') {
      statement.forKey = value
    } else {
      const eventObj = _.parseEvent(name, value)

      if (eventObj) {
        // 事件绑定
        event[eventObj.name] = eventObj
      } else {
        // 普通属性
        normalAttrs.push(attr)
      }
    }
  }

  return {
    statement,
    event,
    normalAttrs,
  }
}

module.exports = function (template, data, usingComponents) {
  if (!template || typeof template !== 'string' || !template.trim()) throw new Error('invalid template')
  template = template.trim()

  // 根节点
  const rootNode = new VirtualNode({
    type: CONSTANT.TYPE_ROOT,
    componentManager: this,
    data,
  })
  const stack = [rootNode]

  stack.last = function () {
    return this[this.length - 1]
  }

  parse(template, {
    start: (tagName, attrs, unary) => {
      let type
      let componentManager
      let id = ''

      if (tagName === 'slot') {
        type = CONSTANT.TYPE_SLOT
      } else if (tagName === 'template') {
        type = CONSTANT.TYPE_TEMPLATE
        tagName = 'virtual'
      } else if (tagName === 'block') {
        type = CONSTANT.TYPE_BLOCK
      } else if (tagName === 'import') {
        type = CONSTANT.TYPE_IMPORT
      } else if (tagName === 'include') {
        type = CONSTANT.TYPE_INCLUDE
      } else if (tagName === 'wxs') {
        type = CONSTANT.TYPE_WXS
      } else if (_.isHtmlTag(tagName)) {
        type = CONSTANT.TYPE_NATIVE
        id = tagName
      } else {
        type = CONSTANT.TYPE_COMPONENT
        id = usingComponents[tagName]
        componentManager = id ? _.cache(id) : _.cache(tagName)

        if (!componentManager) throw new Error(`component ${tagName} not found`)
        else id = componentManager.id
      }

      const {statement, event, normalAttrs} = filterAttrs(attrs)

      const parent = stack.last()
      const node = new VirtualNode({
        type,
        tagName,
        componentId: id,
        attrs: normalAttrs,
        event,
        generics: {}, // TODO
        componentManager,
        root: rootNode,
      })
      let appendNode = node

      // for 语句
      if (statement.for) {
        const itemNode = new VirtualNode({
          type: CONSTANT.TYPE_FORITEM,
          tagName: 'virtual',
          statement: {
            forItem: statement.forItem || 'item',
            forIndex: statement.forIndex || 'index',
            forKey: statement.forKey,
          },
          children: [node],
          root: rootNode,
        })
        node.setParent(itemNode, 0) // 更新父节点

        const forNode = new VirtualNode({
          type: CONSTANT.TYPE_FOR,
          tagName: 'wx:for',
          statement: {
            for: statement.for,
          },
          children: [itemNode],
          root: rootNode,
        })
        itemNode.setParent(forNode, 0) // 更新父节点

        appendNode = forNode
      }

      // 条件语句
      if (statement.if || statement.elif || statement.else) {
        const ifNode = new VirtualNode({
          type: CONSTANT.TYPE_IF,
          tagName: 'wx:if',
          statement: {
            if: statement.if,
            elif: statement.elif,
            else: statement.else,
          },
          children: [node],
          root: rootNode,
        })
        node.setParent(ifNode, 0) // 更新父节点

        appendNode = ifNode
      }

      if (!unary) {
        stack.push(node)
      }

      appendNode.setParent(parent, parent.children.length) // 更新父节点
      parent.appendChild(appendNode)
    },
    // eslint-disable-next-line no-unused-vars
    end: tagName => {
      stack.pop()
    },
    text: content => {
      content = content.trim()
      if (!content) return

      const parent = stack.last()
      if (parent.type === CONSTANT.TYPE_WXS) {
        // wxs 节点
        parent.setWxsContent(content)
      } else {
        // 文本节点
        parent.appendChild(new VirtualNode({
          type: CONSTANT.TYPE_TEXT,
          content: content.replace(/[\n\r\t\s]+/g, ' '),
          parent,
          index: parent.children.length,
          componentManager: this,
          root: rootNode,
        }))
      }
    },
  })

  if (stack.length !== 1) throw new Error(`build ast error: ${template}`)

  return rootNode.generate.bind(rootNode)
}


/***/ }),
/* 64 */
/***/ (function(module, exports) {

/**
 * 感谢 John Resig
 * 源码：https://johnresig.com/files/htmlparser.js
 */

const startTagReg = /^<([-A-Za-z0-9_]+)((?:\s+[\w\-:]+(?:\s*=\s*(?:(?:"[^"]*")|(?:'[^']*')|[^>\s]+))?)*)\s*(\/?)>/
const endTagReg = /^<\/([-A-Za-z0-9_]+)[^>]*>/
const attrReg = /([-A-Za-z0-9_:]+)(?:\s*=\s*(?:(?:"((?:\\.|[^"])*)")|(?:'((?:\\.|[^'])*)')|([^>\s]+)))?/g

module.exports = function (content, handler = {}) {
  const stack = []
  let last = content

  stack.last = function () {
    return this[this.length - 1]
  }

  while (content) {
    let isText = true

    if (!stack.last() || stack.last() !== 'wxs') {
      if (content.indexOf('<!--') === 0) {
        // 注释
        const index = content.indexOf('-->')

        if (index >= 0) {
          content = content.substring(index + 3)
          isText = false
        }
      } else if (content.indexOf('</') === 0) {
        // 结束标签
        const match = content.match(endTagReg)

        if (match) {
          content = content.substring(match[0].length)
          match[0].replace(endTagReg, parseEndTag)
          isText = false
        }
      } else if (content.indexOf('<') === 0) {
        // 开始标签
        const match = content.match(startTagReg)

        if (match) {
          content = content.substring(match[0].length)
          match[0].replace(startTagReg, parseStartTag)
          isText = false
        }
      }

      if (isText) {
        const index = content.indexOf('<')

        const text = index < 0 ? content : content.substring(0, index)
        content = index < 0 ? '' : content.substring(index)

        if (handler.text) handler.text(text)
      }
    } else {
      const execRes = (new RegExp(`</${stack.last()}[^>]*>`)).exec(content)

      if (execRes) {
        let text = content.substring(0, execRes.index)
        content = content.substring(execRes.index + execRes[0].length)

        text = text.replace(/<!--(.*?)-->/g, '')
        if (text && handler.text) handler.text(text)
      }

      parseEndTag('', stack.last())
    }


    if (content === last) throw new Error(`parse error: ${content}`)
    last = content
  }

  // 清空保留的标签
  parseEndTag()

  function parseStartTag(tag, tagName, rest, unary) {
    unary = !!unary

    if (!unary) stack.push(tagName)

    if (handler.start) {
      const attrs = []

      rest.replace(attrReg, (all, $1, $2, $3, $4) => {
        attrs.push({
          name: $1,
          value: $2 !== undefined ? $2 : $3 !== undefined ? $3 : $4 !== undefined ? $4 : true,
        })
      })

      if (handler.start) handler.start(tagName, attrs, unary)
    }
  }

  function parseEndTag(tag, tagName) {
    let pos

    if (!tagName) {
      pos = 0
    } else {
      // 找到最近的同类型开始标签
      for (pos = stack.length - 1; pos >= 0; pos--) {
        if (stack[pos] === tagName) break
      }
    }

    if (pos >= 0) {
      // 关闭所有的开始标签，并让其出栈
      for (let i = stack.length - 1; i >= pos; i--) {
        if (handler.end) handler.end(stack[i])
      }

      stack.length = pos
    }
  }
}


/***/ }),
/* 65 */
/***/ (function(module, exports, __webpack_require__) {

const expr = __webpack_require__(32)
const CONSTANT = __webpack_require__(6)

class VirtualNode {
  constructor(options = {}) {
    this.type = options.type
    this.tagName = options.tagName || ''
    this.componentId = options.componentId
    this.root = options.root || this // 根节点的 root 是自己
    this.parent = options.parent
    this.index = options.index || 0
    this.content = options.content && expr.getExpression(options.content)
    this.attrs = options.attrs || []
    this.event = options.event || {}
    this.statement = options.statement || {} // if/for 语句
    this.children = options.children || []
    this.generics = options.generics
    this.componentManager = options.componentManager // 所属的 componentManager 实例

    // 根节点用
    this.data = options.data || {}

    // wxs 节点用
    this.wxsModuleName = ''

    // slot 节点用
    this.slotName = ''

    this.checkAttrs()
  }

  /**
   * 检查属性
   */
  checkAttrs() {
    const type = this.type
    const attrs = this.attrs
    const filterAttrs = []

    for (const attr of attrs) {
      const name = attr.name
      const value = attr.value

      if (type === CONSTANT.TYPE_WXS && name === 'module') {
        // wxs 模块
        this.wxsModuleName = value || ''
      } else if (type === CONSTANT.TYPE_SLOT && name === 'name') {
        // slot 名
        this.slotName = value || ''
      } else {
        if (value && typeof value === 'string') attr.value = expr.getExpression(value)
        filterAttrs.push(attr)
      }
    }

    this.attrs = filterAttrs
  }

  /**
   * 设置父节点
   */
  setParent(parent, index = 0) {
    if (!parent) return

    this.parent = parent
    this.index = index
  }

  /**
   * 添加子节点
   */
  appendChild(node) {
    this.children.push(node)
  }

  /**
   * 设置 wxs 内容并转换成函数
   */
  setWxsContent(content) {
    if (!this.wxsModuleName) return

    // eslint-disable-next-line no-new-func
    const func = new Function('require', 'module', content)
    const req = () => {} // require function
    const mod = {exports: {}} // modules

    func.call(null, req, mod)

    this.root.data[this.wxsModuleName] = mod.exports // set in root's data
  }

  /**
   * 获取下一个兄弟节点
   */
  nextSibling() {
    return this.parent && this.parent.children[this.index + 1]
  }

  /**
   * 获取前一个兄弟节点
   */
  previousSibling() {
    return this.parent && this.parent.children[this.index - 1]
  }

  /**
   * 检查 if 语句
   */
  checkIf(data) {
    const statement = this.statement

    if (!statement.if) return true

    return expr.calcExpression(statement.if, data)
  }

  /**
   * 检查 elif 语句
   */
  checkElif(data) {
    const statement = this.statement

    if (!statement.elif) return true

    return this.checkPreviousCondition(data) ? false : expr.calcExpression(statement.elif, data)
  }

  /**
   * 检查 else 语句
   */
  checkElse(data) {
    const statement = this.statement

    if (!statement.else) return true

    return !this.checkPreviousCondition(data)
  }

  /**
   * 检查前一个条件语句
   */
  checkPreviousCondition(data) {
    let previousSibling = this.previousSibling()

    while (previousSibling) {
      const statement = previousSibling.statement

      if (previousSibling.type !== CONSTANT.TYPE_IF) return false // not if node
      if (!statement.if && !statement.elif) return false // not have condition statement
      if (statement.if) return previousSibling.checkIf(data)

      if (statement.elif) {
        if (!previousSibling.checkElif(data)) {
          previousSibling = previousSibling.previousSibling()
        } else {
          return true
        }
      }
    }

    return false
  }

  /**
   * 生成虚拟树
   */
  generate(options = {}) {
    const data = options.data || {}
    const statement = this.statement
    let key = options.key || ''

    options.data = data

    delete options.key // 不能跨组件传递

    // 检查 include 节点
    if (this.type === CONSTANT.TYPE_INCLUDE) {
      return null
    }

    // 检查 import 节点
    if (this.type === CONSTANT.TYPE_IMPORT) {
      return null
    }

    // 检查 template 节点
    if (this.type === CONSTANT.TYPE_TEMPLATE) {
      return null
    }

    // 检查 wxs 节点
    if (this.type === CONSTANT.TYPE_WXS) {
      return null
    }

    // 检查 if / elif / else 语句
    if (this.type === CONSTANT.TYPE_IF && (!this.checkIf(data) || !this.checkElif(data) || !this.checkElse(data))) {
      return null
    }

    let children = []

    // 检查子节点
    if (this.children && this.children.length) {
      if (this.type === CONSTANT.TYPE_FOR) {
        // 检查 for 语句
        const list = expr.calcExpression(statement.for, data) || []
        options.extra = options.extra || {}

        for (let i = 0, len = list.length; i < len; i++) {
          const {forItem: bakItem, forIndex: bakIndex} = options.extra

          options.extra.forItem = list[i]
          options.extra.forIndex = i

          // eslint-disable-next-line no-loop-func
          this.children.forEach(node => {
            const vt = node.generate(options)
            children.push(vt)
          })

          options.extra.forItem = bakItem
          options.extra.forIndex = bakIndex
        }
      } else if (this.type === CONSTANT.TYPE_FORITEM) {
        // 检查 for 子节点
        options.extra = options.extra || {}
        const {forItem, forIndex} = options.extra
        const {forItem: bakItem, forIndex: bakIndex} = data
        data[statement.forItem] = forItem // list item
        data[statement.forIndex] = forIndex // list index
        if (statement.forKey) key = statement.forKey === '*this' ? forItem : forItem[statement.forKey] // list key

        children = this.children.map(node => node.generate(options))

        data[statement.forItem] = bakItem
        data[statement.forIndex] = bakIndex
      } else {
        // 其他节点
        children = this.children.map(node => node.generate(options))
      }
    }

    // 过滤子节点
    const filterChildren = []
    for (const child of children) {
      if (!child) continue

      if (child.type === CONSTANT.TYPE_BLOCK) {
        // block 节点
        const grandChildren = child.children
        for (const grandChild of grandChildren) {
          filterChildren.push(grandChild)
        }
      } else {
        filterChildren.push(child)
      }
    }

    // 检查属性
    const attrs = []
    for (const {name, value} of this.attrs) {
      attrs.push({
        name,
        value: value ? expr.calcExpression(value, data) : value,
      })
    }

    // 计算内容
    let content = expr.calcExpression(this.content, data)
    content = content !== undefined ? String(content) : ''

    return {
      type: this.type,
      tagName: this.tagName,
      componentId: this.componentId,
      content, // 文本节点的内容
      key, // 节点的 key，diff 用
      children: filterChildren,
      generics: this.generics,
      attrs,
      event: this.event,
      slotName: this.slotName, // slot 节点的 name 属性
    }
  }
}

module.exports = VirtualNode


/***/ }),
/* 66 */
/***/ (function(module, exports) {

const ESCAPE = {
  'n': '\n',
  'f': '\f',
  'r': '\r',
  't': '\t',
  'v': '\v',
};

const CONSTANTS = {
  'null': data => null,
  'true': data => true,
  'false': data => false,
  'undefined': data => undefined,
}

const OPERATORS = {
  '+': (data, a, b) => a(data) + b(data),
  '-': (data, a, b) => a(data) - b(data),
  '*': (data, a, b) => a(data) * b(data),
  '/': (data, a, b) => a(data) / b(data),
  '%': (data, a, b) => a(data) % b(data),
  '===': (data, a, b) => a(data) === b(data),
  '!==': (data, a, b) => a(data) !== b(data),
  '==': (data, a, b) => a(data) == b(data),
  '!=': (data, a, b) => a(data) != b(data),
  '<': (data, a, b) => a(data) < b(data),
  '>': (data, a, b) => a(data) > b(data),
  '<=': (data, a, b) => a(data) <= b(data),
  '>=': (data, a, b) => a(data) >= b(data),
  '&&': (data, a, b) => a(data) && b(data),
  '||': (data, a, b) => a(data) || b(data),
  '!': (data, a) => !a(data),
};

function isNumber(char) {
  return char >= '0' && char <= '9' && typeof char === 'string';
}

function isExpOperator(char) {
  return (char === '-' || char === '+' || isNumber(char));
}

function isIdent(char) {
  return char >= 'a' && char <= 'z' || char >= 'A' && char <= 'Z' || char === '_' || char === '$';
}

class Expression {
  constructor(content) {
    if (!content) throw new Error('invalid expression');

    this.content = content;
  }

  lex() {
    let content = this.content;
    let length = content.length;
    let index = 0;
    let tokens = [];

    while (index < length) {
      let char = content.charAt(index);

      if (char === '"' || char === '\'') {
        // 字符串
        let start = ++index;
        let escape = false;
        let value = '';
        let token;

        while (index < length) {
          let c = content.charAt(index);

          if (escape) {
            if (c === 'u') {
              let hex = content.substring(index + 1, index + 5);
              if (!hex.match(/[\da-f]{4}/i)) {
                throw new Error(`invalid expression: ${content}, invalid unicode escape [\\u${hex}]`);
              }
              index += 4;
              value += String.fromCharCode(parseInt(hex, 16));
            } else {
              let rep = ESCAPE[c];
              value = value + (rep || c);
            }
            escape = false;
          } else if (c === '\\') {
            escape = true;
          } else if (c === char) {
            index++;
            token = {
              index: start,
              constant: true,
              text: char + value + char,
              value,
            };
            break;
          } else {
            value += c;
          }

          index++;
        }

        if (!token) {
          throw new Error(`invalid expression: ${content}`);
        } else {
          tokens.push(token);
        }
      } else if (isNumber(char) || (char === '.' && isNumber(content.charAt(index + 1)))) {
        // 数字
        let start = index;
        let value = '';

        while (index < length) {
          let c = content.charAt(index).toLowerCase();
          if (c === '.' || isNumber(c)) {
            value += c;
          } else {
            let c2 = content.charAt(index + 1);
            if (c === 'e' && isExpOperator(c2)) {
              value += c;
            } else if (isExpOperator(c) && c2 && isNumber(c2) && value.charAt(value.length - 1) === 'e') {
              value += c;
            } else if (isExpOperator(c) && (!c2 || !isNumber(c2)) && value.charAt(value.length - 1) == 'e') {
              throw new Error(`invalid expression: ${content}`);
            } else {
              break;
            }
          }
          index++;
        }

        tokens.push({
          index: start,
          constant: true,
          text: value,
          value: Number(value),
        })
      } else if (isIdent(char)) {
        // 标识符
        let start = index;
        while (index < length) {
          let c = content.charAt(index);
          if (!(isIdent(c) || isNumber(c))) {
            break;
          }
          index++;
        }

        tokens.push({
          index: start,
          text: content.slice(start, index),
          identifier: true
        });
      } else if ('(){}[].,;:?'.indexOf(char) >= 0) {
        // 边界
        tokens.push({
          index,
          text: char
        });

        index++;
      } else if (char === ' ' || char === '\r' || char === '\t' || char === '\n' || char === '\v' || char === '\u00A0') {
        // 空格
        index++;
      } else {
        // 操作符
        let char2 = char + content.charAt(index + 1);
        let char3 = char2 + content.charAt(index + 2);
        let op1 = OPERATORS[char];
        let op2 = OPERATORS[char2];
        let op3 = OPERATORS[char3];
        if (op1 || op2 || op3) {
          let text = op3 ? char3 : op2 ? char2 : char;

          tokens.push({
            index: index,
            text,
            operator: true
          });

          index += text.length;
        } else {
          throw new Error(`invalid expression: ${content}`);
        }
      }
    }

    this.tokens = tokens;
    return tokens;
  }

  parse() {
    let tokens = this.lex();

    let func;
    let token = tokens[0];
    let text = token.text;

    if (tokens.length > 0 && text !== '}' && text !== ')' && text !== ']') {
      func = this.expression();
    }

    return data => func && func(data);
  }

  expect(text) {
    let tokens = this.tokens;
    let token = tokens[0];

    if (!text || text === (token && token.text)) {
      return tokens.shift();
    }
  }

  consume(text) {
    if (!this.tokens.length) throw new Error(`parse expression error: ${this.content}`);

    let token = this.expect(text);
    if (!token) throw new Error(`parse expression error: ${this.content}`);

    return token;
  }

  expression() {
    return this.ternary();
  }

  ternary() {
    let left = this.logicalOR();
    let token;

    if (token = this.expect('?')) {
      let middle = this.expression();

      this.consume(':')
      let right = this.expression();

      return data => left(data) ? middle(data) : right(data);
    }

    return left;
  }

  binary(left, op, right) {
    let fn = OPERATORS[op];

    return data => fn(data, left, right);
  }

  unary() {
    let token;

    if (this.expect('+')) {
      return this.primary();
    } else if (token = this.expect('-')) {
      return this.binary(data => 0, token.text, this.unary());
    } else if (token = this.expect('!')) {
      let fn = OPERATORS[token.text];
      let right = this.unary();

      return data => fn(data, right); 
    } else {
      return this.primary();
    }
  }

  logicalOR() {
    let left = this.logicalAND();
    let token;

    while (token = this.expect('||')) {
      left = this.binary(left, token.text, this.logicalAND());
    }

    return left;
  }

  logicalAND() {
    let left = this.equality();
    let token;

    while (token = this.expect('&&')) {
      left = this.binary(left, token.text, this.equality());
    }

    return left;
  }

  equality() {
    let left = this.relational();
    let token;

    while (token = this.expect('==') || this.expect('!=') || this.expect('===') || this.expect('!==')) {
      left = this.binary(left, token.text, this.relational());
    }

    return left;
  }

  relational() {
    let left = this.additive();
    let token;

    while (token = this.expect('<') || this.expect('>') || this.expect('<=') || this.expect('>=')) {
      left = this.binary(left, token.text, this.additive());
    }

    return left;
  }

  additive() {
    let left = this.multiplicative();
    let token;

    while (token = this.expect('+') || this.expect('-')) {
      left = this.binary(left, token.text, this.multiplicative());
    }

    return left;
  }

  multiplicative() {
    let left = this.unary();
    let token;

    while (token = this.expect('*') || this.expect('/') || this.expect('%')) {
      left = this.binary(left, token.text, this.unary());
    }

    return left;
  }

  primary() {
    let token = this.tokens[0];
    let primary;

    if (this.expect('(')) {
      primary = this.expression();
      this.consume(')');
    } else if (this.expect('[')) {
      primary = this.array();
    } else if (this.expect('{')) {
      primary = this.object();
    } else if (token.identifier && token.text in CONSTANTS) {
      primary = CONSTANTS[this.consume().text];
    } else if (token.identifier) {
      primary = this.identifier();
    } else if (token.constant) {
      primary = this.constant();
    } else {
      throw new Error(`parse expression error: ${this.content}`);
    }

    let next;
    let context;
    while (next = this.expect('(') || this.expect('[') || this.expect('.')) {
      if (next.text === '(') {
        primary = this.functionCall(primary, context);
        context = null;
      } else if (next.text === '[') {
        context = primary;
        primary = this.objectIndex(primary);
      } else {
        context = primary;
        primary = this.fieldAccess(primary);
      }
    }
    return primary;
  }

  fieldAccess(object) {
    let getter = this.identifier();

    return data => {
      let o = object(data);
      return o && getter(o);
    };
  }

  objectIndex(object) {
    let indexFn = this.expression();

    this.consume(']');

    return data => {
      let o = object(data);
      let key = indexFn(data) + '';

      return o && o[key];
    };
  }

  functionCall(func, context) {
    let args = [];

    if (this.tokens[0].text !== ')') {
      do {
        args.push(this.expression());
      } while (this.expect(','));
    }

    this.consume(')');

    return data => {
      let callContext = context && context(data);
      let fn = func(data, callContext);

      return fn && fn.apply(callContext, args.length ? args.map(arg => arg(data)) : null);
    };
  }

  array() {
    let elements = [];
    let token = this.tokens[0];

    if (token.text !== ']') {
      do {
        if (this.tokens[0].text === ']') break;

        elements.push(this.expression());
      } while (this.expect(','));
    }

    this.consume(']');

    return data => elements.map(element => element(data));
  }

  object() {
    let keys = [];
    let values = [];
    let token = this.tokens[0];

    if (token.text !== '}') {
      do {
        token = this.tokens[0];
        if (token.text === '}') break;

        token = this.consume();
        if (token.constant) {
          keys.push(token.value);
        } else if (token.identifier) {
          keys.push(token.text);
        } else {
          throw new Error(`parse expression error: ${this.content}`);
        }

        this.consume(':');
        values.push(this.expression());
      } while (this.expect(','));
    }

    this.consume('}');

    return data => {
      let object = {};
      for (let i = 0, length = values.length; i < length; i++) {
        object[keys[i]] = values[i](data);
      }
      return object;
    };
  }

  identifier() {
    let id = this.consume().text;

    let token = this.tokens[0];
    let token2 = this.tokens[1];
    let token3 = this.tokens[2];

    // 连续读取 . 操作符后的非函数调用标识符
    while (token && token.text === '.' && token2 && token2.identifier && token3 && token3.text !== '(') {
      id += this.consume().text + this.consume().text;

      token = this.tokens[0];
      token2 = this.tokens[1];
      token3 = this.tokens[2];
    }

    return data => {
      let elements = id.split('.');
      let key;

      for (let i = 0; elements.length > 1; i++) {
        key = elements.shift();
        data = data[key];

        if (!data) break;
      }

      key = elements.shift();

      return data && data[key];
    };
  }

  constant() {
    let value = this.consume().value;

    return data => value;
  }
}

module.exports = Expression;


/***/ }),
/* 67 */
/***/ (function(module, exports, __webpack_require__) {

const CONSTANT = __webpack_require__(6)
const _ = __webpack_require__(5)

/**
 * 过滤属性
 */
function filterAttrs(attrs = {}) {
  const event = {}
  const normalAttrs = []
  let slotName = ''

  const attrsKeyList = Object.keys(attrs)

  for (const name of attrsKeyList) {
    const value = attrs[name] === undefined ? '' : attrs[name]
    const eventObj = _.parseEvent(name, value)

    if (eventObj) {
      // 事件绑定
      event[eventObj.name] = eventObj
    } else {
      // 普通属性
      if (name === 'name') slotName = value

      normalAttrs.push({name, value})
    }
  }

  return {
    event,
    normalAttrs,
    slotName,
  }
}

/**
 * 将 wcc 输出转化成 j-component 需要的结构
 */
function transformCompileResTree(obj, parent, usingComponents) {
  let node = null

  // 特别注意：使用 wcc 编译，不会产生 import、block、include、wxs、native（小程序不支持 div 等标签）；template 节点会当作 if 节点处理

  if (typeof obj === 'string' || (typeof obj === 'number' && obj % 1 === 0)) {
    // 文本节点
    node = {
      type: CONSTANT.TYPE_TEXT,
      tagName: '',
      componentId: '',
      content: '' + obj, // 文本节点的内容
      key: '', // 节点的 key，diff 用
      children: [],
      generics: [],
      attrs: [],
      event: {},
      slotName: '', // slot 节点的 name 属性
    }
  } else {
    // 其他节点
    const children = []
    const {
      tag, wxKey, wxXCkey, attr
    } = obj
    const tagName = tag.indexOf('wx-') === 0 && (tag === 'wx-slot' || !_.isOfficialTag(tag)) ? tag.substr(3) : tag
    const key = wxKey !== undefined && wxKey !== null ? '' + wxKey : undefined
    const {event, normalAttrs, slotName} = filterAttrs(attr)
    const isIf = wxXCkey === 1 || wxXCkey === 3
    const isFor = wxXCkey === 2 || wxXCkey === 4
    const isSlot = tagName === 'slot'
    const isRoot = tagName === 'shadow'
    let type = isRoot ? CONSTANT.TYPE_ROOT : isIf ? CONSTANT.TYPE_IF : isFor ? CONSTANT.TYPE_FOR : isSlot ? CONSTANT.TYPE_SLOT : CONSTANT.TYPE_COMPONENT

    if (parent && parent.type === CONSTANT.TYPE_FOR) {
      type = CONSTANT.TYPE_FORITEM
    }

    node = {
      type,
      tagName,
      componentId: usingComponents[tagName] || tagName,
      content: '', // 文本节点的内容
      key, // 节点的 key，diff 用
      children,
      generics: obj.generics,
      attrs: normalAttrs,
      event,
      slotName: isSlot ? slotName : '', // slot 节点的 name 属性
    }

    obj.children.forEach(child => children.push(transformCompileResTree(child, node, usingComponents)))
  }

  return node
}

module.exports = function (generateFunc, usingComponents) {
  return function (options = {}) {
    const data = options.data || {}
    const compileRes = generateFunc(data)

    if (compileRes.type !== CONSTANT.TYPE_ROOT && (compileRes.tag === 'wx-page' || compileRes.tag === 'shadow')) {
      // 进行 wcc 编译结果的转化
      compileRes.tag = 'shadow'
      return transformCompileResTree(compileRes, null, usingComponents)
    } else {
      return compileRes
    }
  }
}


/***/ }),
/* 68 */
/***/ (function(module, exports, __webpack_require__) {

const exparser = __webpack_require__(4)
const render = __webpack_require__(13)
const CONSTANT = __webpack_require__(6)

/**
 * diff 两棵虚拟树
 */
function diffVt(oldVt, newVt) {
  const node = oldVt.exparserNode
  const parent = node.parentNode

  newVt.exparserNode = node // 更新新虚拟树的 exparser 节点

  if (!newVt) {
    // 删除
    if (parent) parent.removeChild(node)
  } else if (oldVt.type === CONSTANT.TYPE_TEXT) {
    // 更新文本节点
    if (newVt.type !== CONSTANT.TYPE_TEXT || newVt.content !== oldVt.content) {
      if (parent) {
        const newNode = render.renderExparserNode(newVt, null, parent.ownerShadowRoot)
        newNode._vt = newVt
        parent.replaceChild(newNode, node)
      }
    }
  } else {
    // 更新其他节点
    // eslint-disable-next-line no-lonely-if
    if (newVt.type === CONSTANT.TYPE_TEXT) {
      // 新节点是文本节点
      if (parent) {
        const newNode = render.renderExparserNode(newVt, null, parent.ownerShadowRoot)
        newNode._vt = newVt
        parent.replaceChild(newNode, node)
      }
    } else if (newVt.type === oldVt.type && newVt.componentId === oldVt.componentId && newVt.key === oldVt.key) {
      // 检查属性
      const attrs = diffAttrs(oldVt.attrs, newVt.attrs)
      if (attrs) {
        // 更新属性
        newVt.attrs = attrs
        render.updateAttrs(node, attrs)
      }

      // 检查事件
      Object.keys(oldVt.event).forEach(key => {
        const {name, isCapture, id} = oldVt.event[key]

        exparser.removeListenerFromElement(node, name, id, {capture: isCapture})
      })
      render.updateEvent(node, newVt.event)

      // 检查子节点
      const oldChildren = oldVt.children
      const newChildren = newVt.children
      const diffs = diffList(oldChildren, newChildren)

      // diff 子节点树
      for (let i = 0, len = oldChildren.length; i < len; i++) {
        const oldChild = oldChildren[i]
        const newChild = diffs.children[i]

        if (newChild) diffVt(oldChild, newChild)
      }
      if (diffs.moves) {
        // 子节点的删除/插入/重排
        let {inserts} = diffs.moves
        const {removes} = diffs.moves
        const children = node.childNodes

        inserts = inserts.map(({oldIndex, index}) => {
          const newNode = children[oldIndex] || render.renderExparserNode(newChildren[index], null, node.ownerShadowRoot)
          newNode._vt = newChildren[index]

          return {
            newNode,
            index,
          }
        })

        removes.forEach(index => node.removeChild(children[index]))
        inserts.forEach(({newNode, index}) => node.insertBefore(newNode, children[index]))
      }
      node._vt = newVt
    } else if (parent) {
      const newNode = render.renderExparserNode(newVt, null, parent.ownerShadowRoot)
      newNode._vt = newVt
      parent.replaceChild(newNode, node)
    }
  }
}

/**
 * diff 属性
 */
function diffAttrs(oldAttrs, newAttrs) {
  const oldAttrsMap = {}
  const newAttrsMap = {}
  const retAttrs = []
  let isChange = false

  oldAttrs.forEach(attr => oldAttrsMap[attr.name] = attr.value)

  for (const attr of newAttrs) {
    // 添加/更新
    newAttrsMap[attr.name] = attr.value
    retAttrs.push(attr)

    if (oldAttrsMap[attr.name] === undefined || oldAttrsMap[attr.name] !== attr.value) isChange = true
  }

  for (const attr of oldAttrs) {
    if (newAttrsMap[attr.name] === undefined) {
      // 删除
      attr.value = undefined
      retAttrs.push(attr)

      isChange = true
    }
  }

  return isChange ? retAttrs : false
}

/**
 * diff 列表
 */
function diffList(oldList, newList) {
  const oldKeyMap = {} // 旧列表的 key-index 映射表
  const newKeyMap = {} // 新列表的 key-index 映射表
  const oldFreeList = [] // 旧列表中没有 key 的项的 index 列表
  const newFreeList = [] // 新列表中没有 key 的项的 index 列表

  oldList.forEach((item, index) => {
    if (item.key) {
      // 拥有 key
      if (Object.prototype.hasOwnProperty.call(oldKeyMap, item.key)) item.key = ''
      else oldKeyMap[item.key] = index
    } else {
      // 没有 key
      oldFreeList.push(index)
    }
  })
  newList.forEach((item, index) => {
    if (item.key) {
      // 拥有 key
      if (Object.prototype.hasOwnProperty.call(newKeyMap, item.key)) newFreeList.push(index)
      else newKeyMap[item.key] = index
    } else {
      // 没有 key
      newFreeList.push(index)
    }
  })

  const children = []
  let removes = []
  const inserts = []

  // 检查旧列表
  for (let i = 0, j = 0; i < oldList.length; i++) {
    const item = oldList[i]
    const key = item.key

    if (key) {
      if (Object.prototype.hasOwnProperty.call(newKeyMap, key)) {
        // 在新列表中存在
        children.push(newList[newKeyMap[key]])
      } else {
        // 需要从新列表中删除
        removes.push(i)
        children.push(null)
      }
    } else if (j < newFreeList.length) {
      // 在新列表中存在
      children.push(newList[newFreeList[j++]])
    } else {
      // 需要从新列表中删除
      removes.push(i)
      children.push(null)
    }
  }
  removes = removes.reverse() // 从尾往头进行删除

  // 检查新列表
  const hasCheckIndexMap = {}
  for (let i = 0, j = 0, k = 0, len = newList.length; i < len; i++) {
    const item = newList[i]
    const key = item.key

    while (children[j] === null || hasCheckIndexMap[j]) j++ // 跳过已被删除/检查的项

    if (key) {
      if (Object.prototype.hasOwnProperty.call(oldKeyMap, key) && children[j]) {
        // 在旧列表中存在
        if (children[j].key === key) {
          // 拥有同样的 key
          j++
        } else {
          // 拥有不同的 key
          const oldIndex = oldKeyMap[key]
          hasCheckIndexMap[oldIndex] = true
          if (oldIndex !== i) inserts.push({oldIndex, index: i})
        }
      } else {
        // 插入新项
        inserts.push({oldIndex: -1, index: i})
      }
    } else if (k < oldFreeList.length) {
      // 在旧列表中存在
      const oldIndex = oldFreeList[k++]
      hasCheckIndexMap[oldIndex] = true
      if (oldIndex !== i) inserts.push({oldIndex, index: i})
    } else {
      // 插入新项
      inserts.push({oldIndex: -1, index: i})
    }
  }

  return {
    children,
    moves: {removes, inserts},
  }
}

module.exports = {
  diffVt,
  diffAttrs,
  diffList,
}


/***/ }),
/* 69 */
/***/ (function(module, exports, __webpack_require__) {

const exparser = __webpack_require__(4)

class NodesRef {
  constructor(selectorQuery, exparserNode, selector, isSelectSingle) {
    this._selectorQuery = selectorQuery
    this._exparserNode = exparserNode
    this._selector = selector
    this._isSelectSingle = isSelectSingle
  }

  boundingClientRect(callback) {
    return this._selectorQuery._push(this._selector, this._exparserNode, this._isSelectSingle, {
      id: true,
      dataset: true,
      rect: true,
      size: true,
    }, callback)
  }

  scrollOffset(callback) {
    return this._selectorQuery._push(this._selector, this._exparserNode, this._isSelectSingle, {
      id: true,
      dataset: true,
      scrollOffset: true,
    }, callback)
  }

  context(callback) {
    return this._selectorQuery._push(this._selector, this._exparserNode, this._isSelectSingle, {
      context: true,
    }, callback)
  }

  fields(fields, callback) {
    return this._selectorQuery._push(this._selector, this._exparserNode, this._isSelectSingle, fields, callback)
  }
}

class SelectorQuery {
  constructor(compInst) {
    this._exparserNode = compInst && compInst._exparserNode || null
    this._queue = []
    this._queueCallback = []
  }

  _push(selector, exparserNode, isSelectSingle, fields, callback) {
    this._queue.push({
      selector,
      exparserNode,
      isSelectSingle,
      fields,
    })
    this._queueCallback.push(callback || null)

    return this
  }

  in(compInst) {
    if (!compInst || typeof compInst !== 'object') {
      throw new Error('invalid params')
    }

    this._exparserNode = compInst._exparserNode

    return this
  }

  select(selector) {
    return new NodesRef(this, this._exparserNode, selector, true)
  }

  selectAll(selector) {
    return new NodesRef(this, this._exparserNode, selector, false)
  }

  selectViewport() {
    return new NodesRef(this, 0, '', false)
  }

  exec(callback) {
    Promise.resolve().then(() => {
      const res = []

      this._queue.forEach((item, index) => {
        const {
          selector, exparserNode, isSelectSingle, fields
        } = item

        if (exparserNode === 0) {
          const itemRes = {}

          if (fields.id) {
            itemRes.id = ''
          }
          if (fields.dataset) {
            itemRes.dataset = {}
          }
          if (fields.rect) {
            itemRes.left = 0
            itemRes.right = 0
            itemRes.top = 0
            itemRes.bottom = 0
          }
          if (fields.size) {
            itemRes.width = document.documentElement.clientWidth
            itemRes.height = document.documentElement.clientHeight
          }
          if (fields.scrollOffset) {
            itemRes.scrollLeft = document.documentElement.scrollLeft || document.body.scrollLeft || 0
            itemRes.scrollTop = document.documentElement.scrollTop || document.body.scrollTop || 0
          }

          res.push(itemRes)
        } else {
          const shadowRoot = exparserNode.shadowRoot
          const nodes = isSelectSingle ? [shadowRoot.querySelector(selector)] : shadowRoot.querySelectorAll(selector)
          const itemResList = []

          for (const node of nodes) {
            if (!node) continue
            const itemRes = {}

            if (fields.id) {
              itemRes.id = node.id || ''
            }
            if (fields.dataset) {
              itemRes.dataset = Object.assign({}, node.dataset || {})
            }
            if (fields.rect || fields.size) {
              const rect = node.$$.getBoundingClientRect()

              if (fields.rect) {
                itemRes.left = rect.left
                itemRes.right = rect.right
                itemRes.top = rect.top
                itemRes.bottom = rect.bottom
              }
              if (fields.size) {
                itemRes.width = rect.width
                itemRes.height = rect.height
              }
            }
            if (fields.properties) {
              fields.properties.forEach(name => {
                name = name.replace(/-([a-z])/g, (all, $1) => $1.toUpperCase())

                if (exparser.Component.hasPublicProperty(node, name)) {
                  itemRes[name] = node.data[name]
                }
              })
            }
            if (fields.scrollOffset) {
              itemRes.scrollLeft = node.$$.scrollLeft || 0
              itemRes.scrollTop = node.$$.scrollTop || 0
            }
            if (fields.computedStyle && fields.computedStyle.length) {
              const style = window.getComputedStyle(node.$$)

              fields.computedStyle.forEach(key => {
                if (key && style[key] !== undefined) itemRes[key] = style[key]
              })
            }
            if (fields.context) {
              itemRes.context = {} // TODO
            }

            itemResList.push(itemRes)
          }

          res.push(isSelectSingle ? (itemResList[0] || null) : itemResList)
        }

        if (typeof this._queueCallback[index] === 'function') this._queueCallback[index].call(this, res[index])
      })

      if (typeof callback === 'function') callback.call(this, res)

      // reset
      this._queue = []
      this._queueCallback = []
    }).catch(console.error)
  }
}

module.exports = SelectorQuery


/***/ }),
/* 70 */
/***/ (function(module, exports, __webpack_require__) {

const exparser = __webpack_require__(4)
const _ = __webpack_require__(5)
const IntersectionObserver = __webpack_require__(33)
const CONSTANT = __webpack_require__(6)
const render = __webpack_require__(13)

const MOVE_DELTA = 10
const LONGPRESS_TIME = 350
const SCROLL_PROTECTED = 150
const NATIVE_TOUCH_EVENT = ['touchstart', 'touchmove', 'touchend', 'touchcancel']

/**
 * 遍历 exparser 树
 */
function dfsExparserTree(node, callback, fromTopToBottom) {
  if (node instanceof exparser.Component) {
    if (fromTopToBottom) callback(node)
    if (node.shadowRoot instanceof exparser.Element) dfsExparserTree(node.shadowRoot, callback, fromTopToBottom)
    if (!fromTopToBottom) callback(node)
  }
  node.childNodes.forEach(child => {
    if (child instanceof exparser.Element) dfsExparserTree(child, callback, fromTopToBottom)
  })
}

/**
 * 用于 miniprogram-simulate/jest-snapshot-plugin 的识别
 */
const JSONSymbol = typeof Symbol === 'function' && Symbol.for ? Symbol.for('j-component.json') : 0xd846fe

/**
 * 序列化 exparser 树节点上绑定的事件监听
 */
function exparserNodeEventToJSON(node) {
  return node._vt ? node._vt.event : {}
}

/**
 * 序列化 exparser 树节点的属性
 */
function exparserNodeAttrsToJSON(node) {
  const attrs = []
  const vt = node._vt

  if (vt) {
    vt.attrs.forEach(attr => {
      if (!exparser.Component.hasPublicProperty(node, _.dashToCamelCase(attr.name))) {
        attrs.push(attr)
      }
    })
  }
  return attrs
}

/**
 * 将 exparser 树转换为 JSON 对象
 */
function exparserTreeToJSON(node) {
  const _inner = (node, array) => {
    let children = array
    const vt = node._vt

    if (vt) {
      if (vt.type === CONSTANT.TYPE_TEXT) {
        array.push(vt.content)
      } else if (vt.type === CONSTANT.TYPE_NATIVE || vt.type === CONSTANT.TYPE_COMPONENT) {
        children = []
        const child = {
          tagName: _.getTagName(vt.componentId || vt.tagName) || vt.tagName,
          event: exparserNodeEventToJSON(node),
          attrs: exparserNodeAttrsToJSON(node),
          children,
        }
        Object.defineProperty(child, '$$typeof', {
          get() {
            return JSONSymbol
          }
        })
        array.push(child)
      }
    }

    (node.__wxSlotChildren || []).forEach(child => _inner(child, children))

    return array
  }

  return _inner(node, [])[0]
}

class Component {
  constructor(exparserNode) {
    this._exparserNode = exparserNode
  }

  get dom() {
    return this._exparserNode.$$
  }

  get data() {
    const caller = exparser.Element.getMethodCaller(this._exparserNode)

    return caller && caller.data
  }

  get instance() {
    return exparser.Element.getMethodCaller(this._exparserNode)
  }

  /**
   * 触发事件
   */
  dispatchEvent(eventName, options = {}) {
    const dom = this.dom

    if (NATIVE_TOUCH_EVENT.indexOf(eventName) >= 0) {
      // native touch event
      let touches = options.touches
      let changedTouches = options.changedTouches

      if (eventName === 'touchstart' || eventName === 'touchmove') {
        touches = touches || [{x: 0, y: 0}]
        changedTouches = changedTouches || [{x: 0, y: 0}]
      } else if (eventName === 'touchend' || eventName === 'touchcancel') {
        touches = touches || []
        changedTouches = changedTouches || [{x: 0, y: 0}]
      }

      const touchEvent = new TouchEvent(eventName, {
        cancelable: true,
        bubbles: true,
        touches: touches.map(touch => new Touch({
          identifier: _.getId(),
          target: dom,
          clientX: touch.x,
          clientY: touch.y,
          pageX: touch.x,
          pageY: touch.y,
        })),
        targetTouches: [],
        changedTouches: changedTouches.map(touch => new Touch({
          identifier: _.getId(),
          target: dom,
          clientX: touch.x,
          clientY: touch.y,
          pageX: touch.x,
          pageY: touch.y,
        })),
      })

      // 模拟异步情况
      Promise.resolve().then(() => {
        dom.dispatchEvent(touchEvent)
      }).catch(console.error)
    } else {
      // 自定义事件
      const customEvent = new CustomEvent(eventName, options)

      // 模拟异步情况
      Promise.resolve().then(() => {
        dom.dispatchEvent(customEvent)

        if (customEvent.target.__wxElement) {
          exparser.Event.dispatchEvent(customEvent.target.__wxElement, exparser.Event.create(eventName, options.detail || {}, {
            originalEvent: customEvent,
            bubbles: true,
            capturePhase: true,
            composed: true,
            extraFields: {
              touches: options.touches || {},
              changedTouches: options.changedTouches || {},
            },
          }))
        }
      }).catch(console.error)
    }
  }

  /**
   * 监听组件事件
   */
  addEventListener(eventName, handler, capture = false) {
    if (typeof capture === 'object') capture = !!capture.capture
    this._exparserNode.addListener(eventName, handler, {capture})
  }

  /**
   * 取消监听组件事件
   */
  removeEventListener(eventName, handler, capture = false) {
    if (typeof capture === 'object') capture = !!capture.capture
    this._exparserNode.removeListener(eventName, handler, {capture})
  }

  /**
   * 选取第一个符合的子组件节点
   */
  querySelector(selector) {
    const shadowRoot = this._exparserNode.shadowRoot
    const selExparserNode = shadowRoot && shadowRoot.querySelector(selector)

    if (selExparserNode) {
      return selExparserNode.__componentNode__ ? selExparserNode.__componentNode__ : new Component(selExparserNode)
    }
  }

  /**
   * 选取所有符合的子组件节点
   */
  querySelectorAll(selector) {
    const shadowRoot = this._exparserNode.shadowRoot
    const selExparserNodes = shadowRoot.querySelectorAll(selector) || []

    return selExparserNodes.map(selExparserNode => (selExparserNode.__componentNode__ ? selExparserNode.__componentNode__ : new Component(selExparserNode)))
  }

  /**
   * 小程序自定义组件的 setData 方法
   */
  setData(data, callback) {
    const caller = exparser.Element.getMethodCaller(this._exparserNode)

    if (caller && typeof caller.setData === 'function') caller.setData(data)
    if (typeof callback === 'function') {
      // 模拟异步情况
      Promise.resolve().then(callback).catch(console.error)
    }
  }

  /**
   * 触发生命周期
   */
  triggerLifeTime(lifeTime, ...args) {
    this._exparserNode.triggerLifeTime(lifeTime, args)
  }

  /**
   * 触发页面生命周期
   */
  triggerPageLifeTime(lifeTime, ...args) {
    this._exparserNode.triggerPageLifeTime(lifeTime, args)
  }

  /**
   * 生成JSON
   */
  toJSON() {
    return exparserTreeToJSON(this._exparserNode)
  }
}

class RootComponent extends Component {
  constructor(componentManager, properties) {
    super()

    const id = componentManager.id
    const tagName = _.getTagName(id)
    const exparserDef = componentManager.exparserDef
    this._exparserNode = exparser.createElement(tagName || id, exparserDef) // create exparser node and render
    this._isTapCancel = false
    this._lastScrollTime = 0

    const attrs = Object.keys(properties || {}).map(key => ({name: key, value: properties[key]}))
    if (attrs.length) {
      // 对齐 observer 逻辑，走 updateAttr 来更新 property
      render.updateAttrs(this._exparserNode, attrs)
    }

    this._exparserNode._vt = {
      type: CONSTANT.TYPE_COMPONENT,
      tagName: tagName || 'main',
      attrs,
      event: {},
      children: []
    }

    this.parentNode = null

    this._bindEvent()
  }

  get dom() {
    return _.getDom(this._exparserNode)
  }

  /**
   * 初始化事件
   */
  _bindEvent() {
    const dom = this.dom

    // touch 事件
    dom.addEventListener('touchstart', evt => {
      this._triggerExparserEvent(evt, 'touchstart')

      if (this._touchstartEvt || evt.defaultPrevented) return
      if (evt.touches.length === 1) {
        if (this._longpressTimer) this._longpressTimer = clearTimeout(this._longpressTimer)

        this._touchstartX = evt.touches[0].pageX
        this._touchstartY = evt.touches[0].pageY
        this._touchstartEvt = evt

        if ((+new Date()) - this._lastScrollTime < SCROLL_PROTECTED) {
          // 滚动中
          this._isTapCancel = true
          this._lastScrollTime = 0 // 只检查一次
        } else {
          this._isTapCancel = false
          this._longpressTimer = setTimeout(() => {
            this._isTapCancel = true // 取消后续的 tap
            this._triggerExparserEvent(evt, 'longpress', {x: this._touchstartX, y: this._touchstartY})
          }, LONGPRESS_TIME)
        }
      }
    }, {capture: true, passive: false})

    dom.addEventListener('touchmove', evt => {
      this._triggerExparserEvent(evt, 'touchmove')

      if (!this._touchstartEvt) return
      if (evt.touches.length === 1) {
        if (!(Math.abs(evt.touches[0].pageX - this._touchstartX) < MOVE_DELTA && Math.abs(evt.touches[0].pageY - this._touchstartY) < MOVE_DELTA)) {
          // is moving
          if (this._longpressTimer) this._longpressTimer = clearTimeout(this._longpressTimer)
          this._isTapCancel = true
        }
      }
    }, {capture: true, passive: false})

    dom.addEventListener('touchend', evt => {
      this._triggerExparserEvent(evt, 'touchend')

      if (!this._touchstartEvt) return
      if (evt.touches.length === 0) {
        if (this._longpressTimer) this._longpressTimer = clearTimeout(this._longpressTimer)
        if (!this._isTapCancel) this._triggerExparserEvent(this._touchstartEvt, 'tap', {x: evt.changedTouches[0].pageX, y: evt.changedTouches[0].pageY})
      }

      this._touchstartEvt = null // 重置 touchStart 事件
    }, {capture: true, passive: false})

    dom.addEventListener('touchcancel', evt => {
      this._triggerExparserEvent(evt, 'touchcancel')

      if (!this._touchstartEvt) return
      if (this._longpressTimer) this._longpressTimer = clearTimeout(this._longpressTimer)

      this._touchstartEvt = null // 重置 touchStart 事件
    }, {capture: true, passive: false})

    // 其他事件
    dom.addEventListener('scroll', evt => {
      // 触发 intersectionObserver
      const listenInfoMap = this._exparserNode._listenInfoMap || {}
      Object.keys(listenInfoMap).forEach(key => {
        const listenInfo = listenInfoMap[key]
        IntersectionObserver.updateTargetIntersection(listenInfo)
      })

      this._lastScrollTime = +new Date()
      this._triggerExparserEvent(evt, 'scroll')
    }, {capture: true, passive: false})

    // eslint-disable-next-line no-unused-vars
    dom.addEventListener('blur', evt => {
      if (this._longpressTimer) this._longpressTimer = clearTimeout(this._longpressTimer)
    }, {capture: true, passive: false})
  }

  /**
   * 触发 exparser 节点事件
   */
  _triggerExparserEvent(evt, name, detail = {}) {
    Promise.resolve().then(() => {
      exparser.Event.dispatchEvent(evt.target, exparser.Event.create(name, detail, {
        originalEvent: evt,
        bubbles: true,
        capturePhase: true,
        composed: true,
        extraFields: {
          touches: evt.touches || {},
          changedTouches: evt.changedTouches || {},
        },
      }))
    }).catch(console.error)
  }

  /**
   * 添加
   */
  attach(parent) {
    parent.appendChild(this.dom)
    this.parentNode = parent

    exparser.Element.pretendAttached(this._exparserNode)
    dfsExparserTree(this._exparserNode, node => node.triggerLifeTime('ready'))
  }

  /**
   * 移除
   */
  detach() {
    if (!this.parentNode) return

    this.parentNode.removeChild(this.dom)
    this.parentNode = null

    exparser.Element.pretendDetached(this._exparserNode)
  }
}

module.exports = RootComponent


/***/ }),
/* 71 */
/***/ (function(module, exports) {



/***/ }),
/* 72 */
/***/ (function(module, exports, __webpack_require__) {

const postcss = __webpack_require__(73)
const path = __webpack_require__(3)
const less = __webpack_require__(95)
const csso = __webpack_require__(96)

const _ = __webpack_require__(10)

const wxssCache = {}

/**
 * 追加 class 前缀插件
 */
const addClassPrefixPlugin = function(prefix = '') {
    return postcss.plugin('addClassPrefix', () => root => {
        // eslint-disable-next-line consistent-return
        root.walk(child => {
            if (child.type === 'rule') {
                const selectors = []

                child.selectors.forEach(selector => {
                    // 处理 class 选择器
                    selectors.push(selector.replace(/(.)?\.([-_a-zA-Z0-9]+)/igs, (all, $1, $2) => (/\d/.test($1) ? all : `${$1 || ''}.${prefix}--${$2}`)))
                })

                child.selectors = selectors
            }
        })
    })
}

/**
 * 获取 import 列表
 */
function getImportList(wxss, filePath) {
    const reg = /@import\s+(?:(?:"([^"]+)")|(?:'([^']+)'));/ig
    const importList = []
    let execRes = reg.exec(wxss)

    while (execRes && (execRes[1] || execRes[2])) {
        importList.push({
            code: execRes[0],
            path: path.join(path.dirname(filePath), execRes[1] || execRes[2]),
        })
        execRes = reg.exec(wxss)
    }

    return importList
}

/**
 * 获取 wxss 内容
 */
function getContent(filePath) {
    // 判断缓存
    if (wxssCache[filePath]) {
        return wxssCache[filePath]
    }

    let wxss = _.readFile(filePath)

    if (wxss) {
        const importList = getImportList(wxss, filePath)

        importList.forEach(item => {
            wxss = wxss.replace(item.code, getContent(item.path))
        })
    }

    // 缓存 wxss
    wxssCache[filePath] = wxss || ''

    return wxssCache[filePath]
}

/**
 * 编译 wxss
 */
function compile(wxss, options = {}) {
    if (options.less) {
        less.render(wxss, (err, output) => {
            if (!err) wxss = output.css
        })
    }

    wxss = postcss([addClassPrefixPlugin(options.prefix)]).process(wxss, {
        from: undefined, // 主要是不想看到那个 warning
        map: null,
    }).css

    // 压缩
    return csso.minify(wxss, {restructure: false}).css
}

/**
 * 插入 wxss
 */
function insert(wxss, id) {
    if (!Array.isArray(wxss)) {
        wxss = [wxss]
    }

    // 删除已插入的
    document.querySelectorAll(`style#${id}`).forEach(style => {
        style.parentNode.removeChild(style)
    })

    const style = document.createElement('style')
    style.type = 'text/css'
    style.id = id
    style.innerHTML = _.transformRpx(wxss.join(''))

    const head = document.getElementsByTagName('head')
    if (head && head.length) head.item(0).appendChild(style)
}


module.exports = {
    getContent,
    compile,
    insert,
}


/***/ }),
/* 73 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _declaration = _interopRequireDefault(__webpack_require__(15));

var _processor = _interopRequireDefault(__webpack_require__(36));

var _stringify = _interopRequireDefault(__webpack_require__(17));

var _comment = _interopRequireDefault(__webpack_require__(19));

var _atRule = _interopRequireDefault(__webpack_require__(20));

var _vendor = _interopRequireDefault(__webpack_require__(94));

var _parse = _interopRequireDefault(__webpack_require__(18));

var _list = _interopRequireDefault(__webpack_require__(43));

var _rule = _interopRequireDefault(__webpack_require__(22));

var _root = _interopRequireDefault(__webpack_require__(44));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * Create a new {@link Processor} instance that will apply `plugins`
 * as CSS processors.
 *
 * @param {Array.<Plugin|pluginFunction>|Processor} plugins PostCSS plugins.
 *        See {@link Processor#use} for plugin format.
 *
 * @return {Processor} Processor to process multiple CSS.
 *
 * @example
 * import postcss from 'postcss'
 *
 * postcss(plugins).process(css, { from, to }).then(result => {
 *   console.log(result.css)
 * })
 *
 * @namespace postcss
 */
function postcss() {
  for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) {
    plugins[_key] = arguments[_key];
  }

  if (plugins.length === 1 && Array.isArray(plugins[0])) {
    plugins = plugins[0];
  }

  return new _processor.default(plugins);
}
/**
 * Creates a PostCSS plugin with a standard API.
 *
 * The newly-wrapped function will provide both the name and PostCSS
 * version of the plugin.
 *
 * ```js
 * const processor = postcss([replace])
 * processor.plugins[0].postcssPlugin  //=> 'postcss-replace'
 * processor.plugins[0].postcssVersion //=> '6.0.0'
 * ```
 *
 * The plugin function receives 2 arguments: {@link Root}
 * and {@link Result} instance. The function should mutate the provided
 * `Root` node. Alternatively, you can create a new `Root` node
 * and override the `result.root` property.
 *
 * ```js
 * const cleaner = postcss.plugin('postcss-cleaner', () => {
 *   return (root, result) => {
 *     result.root = postcss.root()
 *   }
 * })
 * ```
 *
 * As a convenience, plugins also expose a `process` method so that you can use
 * them as standalone tools.
 *
 * ```js
 * cleaner.process(css, processOpts, pluginOpts)
 * // This is equivalent to:
 * postcss([ cleaner(pluginOpts) ]).process(css, processOpts)
 * ```
 *
 * Asynchronous plugins should return a `Promise` instance.
 *
 * ```js
 * postcss.plugin('postcss-import', () => {
 *   return (root, result) => {
 *     return new Promise( (resolve, reject) => {
 *       fs.readFile('base.css', (base) => {
 *         root.prepend(base)
 *         resolve()
 *       })
 *     })
 *   }
 * })
 * ```
 *
 * Add warnings using the {@link Node#warn} method.
 * Send data to other plugins using the {@link Result#messages} array.
 *
 * ```js
 * postcss.plugin('postcss-caniuse-test', () => {
 *   return (root, result) => {
 *     root.walkDecls(decl => {
 *       if (!caniuse.support(decl.prop)) {
 *         decl.warn(result, 'Some browsers do not support ' + decl.prop)
 *       }
 *     })
 *   }
 * })
 * ```
 *
 * @param {string} name          PostCSS plugin name. Same as in `name`
 *                               property in `package.json`. It will be saved
 *                               in `plugin.postcssPlugin` property.
 * @param {function} initializer Will receive plugin options
 *                               and should return {@link pluginFunction}
 *
 * @return {Plugin} PostCSS plugin.
 */


postcss.plugin = function plugin(name, initializer) {
  function creator() {
    var transformer = initializer.apply(void 0, arguments);
    transformer.postcssPlugin = name;
    transformer.postcssVersion = new _processor.default().version;
    return transformer;
  }

  var cache;
  Object.defineProperty(creator, 'postcss', {
    get: function get() {
      if (!cache) cache = creator();
      return cache;
    }
  });

  creator.process = function (css, processOpts, pluginOpts) {
    return postcss([creator(pluginOpts)]).process(css, processOpts);
  };

  return creator;
};
/**
 * Default function to convert a node tree into a CSS string.
 *
 * @param {Node} node       Start node for stringifing. Usually {@link Root}.
 * @param {builder} builder Function to concatenate CSS from node’s parts
 *                          or generate string and source map.
 *
 * @return {void}
 *
 * @function
 */


postcss.stringify = _stringify.default;
/**
 * Parses source css and returns a new {@link Root} node,
 * which contains the source CSS nodes.
 *
 * @param {string|toString} css   String with input CSS or any object
 *                                with toString() method, like a Buffer
 * @param {processOptions} [opts] Options with only `from` and `map` keys.
 *
 * @return {Root} PostCSS AST.
 *
 * @example
 * // Simple CSS concatenation with source map support
 * const root1 = postcss.parse(css1, { from: file1 })
 * const root2 = postcss.parse(css2, { from: file2 })
 * root1.append(root2).toResult().css
 *
 * @function
 */

postcss.parse = _parse.default;
/**
 * Contains the {@link vendor} module.
 *
 * @type {vendor}
 *
 * @example
 * postcss.vendor.unprefixed('-moz-tab') //=> ['tab']
 */

postcss.vendor = _vendor.default;
/**
 * Contains the {@link list} module.
 *
 * @member {list}
 *
 * @example
 * postcss.list.space('5px calc(10% + 5px)') //=> ['5px', 'calc(10% + 5px)']
 */

postcss.list = _list.default;
/**
 * Creates a new {@link Comment} node.
 *
 * @param {object} [defaults] Properties for the new node.
 *
 * @return {Comment} New comment node
 *
 * @example
 * postcss.comment({ text: 'test' })
 */

postcss.comment = function (defaults) {
  return new _comment.default(defaults);
};
/**
 * Creates a new {@link AtRule} node.
 *
 * @param {object} [defaults] Properties for the new node.
 *
 * @return {AtRule} new at-rule node
 *
 * @example
 * postcss.atRule({ name: 'charset' }).toString() //=> "@charset"
 */


postcss.atRule = function (defaults) {
  return new _atRule.default(defaults);
};
/**
 * Creates a new {@link Declaration} node.
 *
 * @param {object} [defaults] Properties for the new node.
 *
 * @return {Declaration} new declaration node
 *
 * @example
 * postcss.decl({ prop: 'color', value: 'red' }).toString() //=> "color: red"
 */


postcss.decl = function (defaults) {
  return new _declaration.default(defaults);
};
/**
 * Creates a new {@link Rule} node.
 *
 * @param {object} [defaults] Properties for the new node.
 *
 * @return {Rule} new rule node
 *
 * @example
 * postcss.rule({ selector: 'a' }).toString() //=> "a {\n}"
 */


postcss.rule = function (defaults) {
  return new _rule.default(defaults);
};
/**
 * Creates a new {@link Root} node.
 *
 * @param {object} [defaults] Properties for the new node.
 *
 * @return {Root} new root node.
 *
 * @example
 * postcss.root({ after: '\n' }).toString() //=> "\n"
 */


postcss.root = function (defaults) {
  return new _root.default(defaults);
};

var _default = postcss;
exports.default = _default;
module.exports = exports.default;
//# sourceMappingURL=data:application/json;charset=utf8;base64,{"version":3,"sources":["postcss.es6"],"names":["postcss","plugins","length","Array","isArray","Processor","plugin","name","initializer","creator","transformer","postcssPlugin","postcssVersion","version","cache","Object","defineProperty","get","process","css","processOpts","pluginOpts","stringify","parse","vendor","list","comment","defaults","Comment","atRule","AtRule","decl","Declaration","rule","Rule","root","Root"],"mappings":";;;;;AAAA;;AACA;;AACA;;AACA;;AACA;;AACA;;AACA;;AACA;;AACA;;AACA;;;;AAEA;;;;;;;;;;;;;;;;;;AAkBA,SAASA,OAAT,GAA8B;AAAA,oCAATC,OAAS;AAATA,IAAAA,OAAS;AAAA;;AAC5B,MAAIA,OAAO,CAACC,MAAR,KAAmB,CAAnB,IAAwBC,KAAK,CAACC,OAAN,CAAcH,OAAO,CAAC,CAAD,CAArB,CAA5B,EAAuD;AACrDA,IAAAA,OAAO,GAAGA,OAAO,CAAC,CAAD,CAAjB;AACD;;AACD,SAAO,IAAII,kBAAJ,CAAcJ,OAAd,CAAP;AACD;AAED;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAwEAD,OAAO,CAACM,MAAR,GAAiB,SAASA,MAAT,CAAiBC,IAAjB,EAAuBC,WAAvB,EAAoC;AACnD,WAASC,OAAT,GAA2B;AACzB,QAAIC,WAAW,GAAGF,WAAW,MAAX,mBAAlB;AACAE,IAAAA,WAAW,CAACC,aAAZ,GAA4BJ,IAA5B;AACAG,IAAAA,WAAW,CAACE,cAAZ,GAA8B,IAAIP,kBAAJ,EAAD,CAAkBQ,OAA/C;AACA,WAAOH,WAAP;AACD;;AAED,MAAII,KAAJ;AACAC,EAAAA,MAAM,CAACC,cAAP,CAAsBP,OAAtB,EAA+B,SAA/B,EAA0C;AACxCQ,IAAAA,GADwC,iBACjC;AACL,UAAI,CAACH,KAAL,EAAYA,KAAK,GAAGL,OAAO,EAAf;AACZ,aAAOK,KAAP;AACD;AAJuC,GAA1C;;AAOAL,EAAAA,OAAO,CAACS,OAAR,GAAkB,UAAUC,GAAV,EAAeC,WAAf,EAA4BC,UAA5B,EAAwC;AACxD,WAAOrB,OAAO,CAAC,CAACS,OAAO,CAACY,UAAD,CAAR,CAAD,CAAP,CAA+BH,OAA/B,CAAuCC,GAAvC,EAA4CC,WAA5C,CAAP;AACD,GAFD;;AAIA,SAAOX,OAAP;AACD,CArBD;AAuBA;;;;;;;;;;;;;AAWAT,OAAO,CAACsB,SAAR,GAAoBA,kBAApB;AAEA;;;;;;;;;;;;;;;;;;;AAkBAtB,OAAO,CAACuB,KAAR,GAAgBA,cAAhB;AAEA;;;;;;;;;AAQAvB,OAAO,CAACwB,MAAR,GAAiBA,eAAjB;AAEA;;;;;;;;;AAQAxB,OAAO,CAACyB,IAAR,GAAeA,aAAf;AAEA;;;;;;;;;;;AAUAzB,OAAO,CAAC0B,OAAR,GAAkB,UAAAC,QAAQ;AAAA,SAAI,IAAIC,gBAAJ,CAAYD,QAAZ,CAAJ;AAAA,CAA1B;AAEA;;;;;;;;;;;;AAUA3B,OAAO,CAAC6B,MAAR,GAAiB,UAAAF,QAAQ;AAAA,SAAI,IAAIG,eAAJ,CAAWH,QAAX,CAAJ;AAAA,CAAzB;AAEA;;;;;;;;;;;;AAUA3B,OAAO,CAAC+B,IAAR,GAAe,UAAAJ,QAAQ;AAAA,SAAI,IAAIK,oBAAJ,CAAgBL,QAAhB,CAAJ;AAAA,CAAvB;AAEA;;;;;;;;;;;;AAUA3B,OAAO,CAACiC,IAAR,GAAe,UAAAN,QAAQ;AAAA,SAAI,IAAIO,aAAJ,CAASP,QAAT,CAAJ;AAAA,CAAvB;AAEA;;;;;;;;;;;;AAUA3B,OAAO,CAACmC,IAAR,GAAe,UAAAR,QAAQ;AAAA,SAAI,IAAIS,aAAJ,CAAST,QAAT,CAAJ;AAAA,CAAvB;;eAEe3B,O","sourcesContent":["import Declaration from './declaration'\nimport Processor from './processor'\nimport stringify from './stringify'\nimport Comment from './comment'\nimport AtRule from './at-rule'\nimport vendor from './vendor'\nimport parse from './parse'\nimport list from './list'\nimport Rule from './rule'\nimport Root from './root'\n\n/**\n * Create a new {@link Processor} instance that will apply `plugins`\n * as CSS processors.\n *\n * @param {Array.<Plugin|pluginFunction>|Processor} plugins PostCSS plugins.\n *        See {@link Processor#use} for plugin format.\n *\n * @return {Processor} Processor to process multiple CSS.\n *\n * @example\n * import postcss from 'postcss'\n *\n * postcss(plugins).process(css, { from, to }).then(result => {\n *   console.log(result.css)\n * })\n *\n * @namespace postcss\n */\nfunction postcss (...plugins) {\n  if (plugins.length === 1 && Array.isArray(plugins[0])) {\n    plugins = plugins[0]\n  }\n  return new Processor(plugins)\n}\n\n/**\n * Creates a PostCSS plugin with a standard API.\n *\n * The newly-wrapped function will provide both the name and PostCSS\n * version of the plugin.\n *\n * ```js\n * const processor = postcss([replace])\n * processor.plugins[0].postcssPlugin  //=> 'postcss-replace'\n * processor.plugins[0].postcssVersion //=> '6.0.0'\n * ```\n *\n * The plugin function receives 2 arguments: {@link Root}\n * and {@link Result} instance. The function should mutate the provided\n * `Root` node. Alternatively, you can create a new `Root` node\n * and override the `result.root` property.\n *\n * ```js\n * const cleaner = postcss.plugin('postcss-cleaner', () => {\n *   return (root, result) => {\n *     result.root = postcss.root()\n *   }\n * })\n * ```\n *\n * As a convenience, plugins also expose a `process` method so that you can use\n * them as standalone tools.\n *\n * ```js\n * cleaner.process(css, processOpts, pluginOpts)\n * // This is equivalent to:\n * postcss([ cleaner(pluginOpts) ]).process(css, processOpts)\n * ```\n *\n * Asynchronous plugins should return a `Promise` instance.\n *\n * ```js\n * postcss.plugin('postcss-import', () => {\n *   return (root, result) => {\n *     return new Promise( (resolve, reject) => {\n *       fs.readFile('base.css', (base) => {\n *         root.prepend(base)\n *         resolve()\n *       })\n *     })\n *   }\n * })\n * ```\n *\n * Add warnings using the {@link Node#warn} method.\n * Send data to other plugins using the {@link Result#messages} array.\n *\n * ```js\n * postcss.plugin('postcss-caniuse-test', () => {\n *   return (root, result) => {\n *     root.walkDecls(decl => {\n *       if (!caniuse.support(decl.prop)) {\n *         decl.warn(result, 'Some browsers do not support ' + decl.prop)\n *       }\n *     })\n *   }\n * })\n * ```\n *\n * @param {string} name          PostCSS plugin name. Same as in `name`\n *                               property in `package.json`. It will be saved\n *                               in `plugin.postcssPlugin` property.\n * @param {function} initializer Will receive plugin options\n *                               and should return {@link pluginFunction}\n *\n * @return {Plugin} PostCSS plugin.\n */\npostcss.plugin = function plugin (name, initializer) {\n  function creator (...args) {\n    let transformer = initializer(...args)\n    transformer.postcssPlugin = name\n    transformer.postcssVersion = (new Processor()).version\n    return transformer\n  }\n\n  let cache\n  Object.defineProperty(creator, 'postcss', {\n    get () {\n      if (!cache) cache = creator()\n      return cache\n    }\n  })\n\n  creator.process = function (css, processOpts, pluginOpts) {\n    return postcss([creator(pluginOpts)]).process(css, processOpts)\n  }\n\n  return creator\n}\n\n/**\n * Default function to convert a node tree into a CSS string.\n *\n * @param {Node} node       Start node for stringifing. Usually {@link Root}.\n * @param {builder} builder Function to concatenate CSS from node’s parts\n *                          or generate string and source map.\n *\n * @return {void}\n *\n * @function\n */\npostcss.stringify = stringify\n\n/**\n * Parses source css and returns a new {@link Root} node,\n * which contains the source CSS nodes.\n *\n * @param {string|toString} css   String with input CSS or any object\n *                                with toString() method, like a Buffer\n * @param {processOptions} [opts] Options with only `from` and `map` keys.\n *\n * @return {Root} PostCSS AST.\n *\n * @example\n * // Simple CSS concatenation with source map support\n * const root1 = postcss.parse(css1, { from: file1 })\n * const root2 = postcss.parse(css2, { from: file2 })\n * root1.append(root2).toResult().css\n *\n * @function\n */\npostcss.parse = parse\n\n/**\n * Contains the {@link vendor} module.\n *\n * @type {vendor}\n *\n * @example\n * postcss.vendor.unprefixed('-moz-tab') //=> ['tab']\n */\npostcss.vendor = vendor\n\n/**\n * Contains the {@link list} module.\n *\n * @member {list}\n *\n * @example\n * postcss.list.space('5px calc(10% + 5px)') //=> ['5px', 'calc(10% + 5px)']\n */\npostcss.list = list\n\n/**\n * Creates a new {@link Comment} node.\n *\n * @param {object} [defaults] Properties for the new node.\n *\n * @return {Comment} New comment node\n *\n * @example\n * postcss.comment({ text: 'test' })\n */\npostcss.comment = defaults => new Comment(defaults)\n\n/**\n * Creates a new {@link AtRule} node.\n *\n * @param {object} [defaults] Properties for the new node.\n *\n * @return {AtRule} new at-rule node\n *\n * @example\n * postcss.atRule({ name: 'charset' }).toString() //=> \"@charset\"\n */\npostcss.atRule = defaults => new AtRule(defaults)\n\n/**\n * Creates a new {@link Declaration} node.\n *\n * @param {object} [defaults] Properties for the new node.\n *\n * @return {Declaration} new declaration node\n *\n * @example\n * postcss.decl({ prop: 'color', value: 'red' }).toString() //=> \"color: red\"\n */\npostcss.decl = defaults => new Declaration(defaults)\n\n/**\n * Creates a new {@link Rule} node.\n *\n * @param {object} [defaults] Properties for the new node.\n *\n * @return {Rule} new rule node\n *\n * @example\n * postcss.rule({ selector: 'a' }).toString() //=> \"a {\\n}\"\n */\npostcss.rule = defaults => new Rule(defaults)\n\n/**\n * Creates a new {@link Root} node.\n *\n * @param {object} [defaults] Properties for the new node.\n *\n * @return {Root} new root node.\n *\n * @example\n * postcss.root({ after: '\\n' }).toString() //=> \"\\n\"\n */\npostcss.root = defaults => new Root(defaults)\n\nexport default postcss\n"],"file":"postcss.js"}


/***/ }),
/* 74 */
/***/ (function(module, exports) {

var x=String;
var create=function() {return {isColorSupported:false,reset:x,bold:x,dim:x,italic:x,underline:x,inverse:x,hidden:x,strikethrough:x,black:x,red:x,green:x,yellow:x,blue:x,magenta:x,cyan:x,white:x,gray:x,bgBlack:x,bgRed:x,bgGreen:x,bgYellow:x,bgBlue:x,bgMagenta:x,bgCyan:x,bgWhite:x}};
module.exports=create();
module.exports.createColors = create;


/***/ }),
/* 75 */
/***/ (function(module, exports) {

/* (ignored) */

/***/ }),
/* 76 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";
/* WEBPACK VAR INJECTION */(function(Buffer) {

exports.__esModule = true;
exports.default = void 0;

var _sourceMap = _interopRequireDefault(__webpack_require__(39));

var _path = _interopRequireDefault(__webpack_require__(3));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _createForOfIteratorHelperLoose(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; return function () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } it = o[Symbol.iterator](); return it.next.bind(it); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

var MapGenerator = /*#__PURE__*/function () {
  function MapGenerator(stringify, root, opts) {
    this.stringify = stringify;
    this.mapOpts = opts.map || {};
    this.root = root;
    this.opts = opts;
  }

  var _proto = MapGenerator.prototype;

  _proto.isMap = function isMap() {
    if (typeof this.opts.map !== 'undefined') {
      return !!this.opts.map;
    }

    return this.previous().length > 0;
  };

  _proto.previous = function previous() {
    var _this = this;

    if (!this.previousMaps) {
      this.previousMaps = [];
      this.root.walk(function (node) {
        if (node.source && node.source.input.map) {
          var map = node.source.input.map;

          if (_this.previousMaps.indexOf(map) === -1) {
            _this.previousMaps.push(map);
          }
        }
      });
    }

    return this.previousMaps;
  };

  _proto.isInline = function isInline() {
    if (typeof this.mapOpts.inline !== 'undefined') {
      return this.mapOpts.inline;
    }

    var annotation = this.mapOpts.annotation;

    if (typeof annotation !== 'undefined' && annotation !== true) {
      return false;
    }

    if (this.previous().length) {
      return this.previous().some(function (i) {
        return i.inline;
      });
    }

    return true;
  };

  _proto.isSourcesContent = function isSourcesContent() {
    if (typeof this.mapOpts.sourcesContent !== 'undefined') {
      return this.mapOpts.sourcesContent;
    }

    if (this.previous().length) {
      return this.previous().some(function (i) {
        return i.withContent();
      });
    }

    return true;
  };

  _proto.clearAnnotation = function clearAnnotation() {
    if (this.mapOpts.annotation === false) return;
    var node;

    for (var i = this.root.nodes.length - 1; i >= 0; i--) {
      node = this.root.nodes[i];
      if (node.type !== 'comment') continue;

      if (node.text.indexOf('# sourceMappingURL=') === 0) {
        this.root.removeChild(i);
      }
    }
  };

  _proto.setSourcesContent = function setSourcesContent() {
    var _this2 = this;

    var already = {};
    this.root.walk(function (node) {
      if (node.source) {
        var from = node.source.input.from;

        if (from && !already[from]) {
          already[from] = true;

          var relative = _this2.relative(from);

          _this2.map.setSourceContent(relative, node.source.input.css);
        }
      }
    });
  };

  _proto.applyPrevMaps = function applyPrevMaps() {
    for (var _iterator = _createForOfIteratorHelperLoose(this.previous()), _step; !(_step = _iterator()).done;) {
      var prev = _step.value;
      var from = this.relative(prev.file);

      var root = prev.root || _path.default.dirname(prev.file);

      var map = void 0;

      if (this.mapOpts.sourcesContent === false) {
        map = new _sourceMap.default.SourceMapConsumer(prev.text);

        if (map.sourcesContent) {
          map.sourcesContent = map.sourcesContent.map(function () {
            return null;
          });
        }
      } else {
        map = prev.consumer();
      }

      this.map.applySourceMap(map, from, this.relative(root));
    }
  };

  _proto.isAnnotation = function isAnnotation() {
    if (this.isInline()) {
      return true;
    }

    if (typeof this.mapOpts.annotation !== 'undefined') {
      return this.mapOpts.annotation;
    }

    if (this.previous().length) {
      return this.previous().some(function (i) {
        return i.annotation;
      });
    }

    return true;
  };

  _proto.toBase64 = function toBase64(str) {
    if (Buffer) {
      return Buffer.from(str).toString('base64');
    }

    return window.btoa(unescape(encodeURIComponent(str)));
  };

  _proto.addAnnotation = function addAnnotation() {
    var content;

    if (this.isInline()) {
      content = 'data:application/json;base64,' + this.toBase64(this.map.toString());
    } else if (typeof this.mapOpts.annotation === 'string') {
      content = this.mapOpts.annotation;
    } else {
      content = this.outputFile() + '.map';
    }

    var eol = '\n';
    if (this.css.indexOf('\r\n') !== -1) eol = '\r\n';
    this.css += eol + '/*# sourceMappingURL=' + content + ' */';
  };

  _proto.outputFile = function outputFile() {
    if (this.opts.to) {
      return this.relative(this.opts.to);
    }

    if (this.opts.from) {
      return this.relative(this.opts.from);
    }

    return 'to.css';
  };

  _proto.generateMap = function generateMap() {
    this.generateString();
    if (this.isSourcesContent()) this.setSourcesContent();
    if (this.previous().length > 0) this.applyPrevMaps();
    if (this.isAnnotation()) this.addAnnotation();

    if (this.isInline()) {
      return [this.css];
    }

    return [this.css, this.map];
  };

  _proto.relative = function relative(file) {
    if (file.indexOf('<') === 0) return file;
    if (/^\w+:\/\//.test(file)) return file;
    var from = this.opts.to ? _path.default.dirname(this.opts.to) : '.';

    if (typeof this.mapOpts.annotation === 'string') {
      from = _path.default.dirname(_path.default.resolve(from, this.mapOpts.annotation));
    }

    file = _path.default.relative(from, file);

    if (_path.default.sep === '\\') {
      return file.replace(/\\/g, '/');
    }

    return file;
  };

  _proto.sourcePath = function sourcePath(node) {
    if (this.mapOpts.from) {
      return this.mapOpts.from;
    }

    return this.relative(node.source.input.from);
  };

  _proto.generateString = function generateString() {
    var _this3 = this;

    this.css = '';
    this.map = new _sourceMap.default.SourceMapGenerator({
      file: this.outputFile()
    });
    var line = 1;
    var column = 1;
    var lines, last;
    this.stringify(this.root, function (str, node, type) {
      _this3.css += str;

      if (node && type !== 'end') {
        if (node.source && node.source.start) {
          _this3.map.addMapping({
            source: _this3.sourcePath(node),
            generated: {
              line: line,
              column: column - 1
            },
            original: {
              line: node.source.start.line,
              column: node.source.start.column - 1
            }
          });
        } else {
          _this3.map.addMapping({
            source: '<no source>',
            original: {
              line: 1,
              column: 0
            },
            generated: {
              line: line,
              column: column - 1
            }
          });
        }
      }

      lines = str.match(/\n/g);

      if (lines) {
        line += lines.length;
        last = str.lastIndexOf('\n');
        column = str.length - last;
      } else {
        column += str.length;
      }

      if (node && type !== 'start') {
        var p = node.parent || {
          raws: {}
        };

        if (node.type !== 'decl' || node !== p.last || p.raws.semicolon) {
          if (node.source && node.source.end) {
            _this3.map.addMapping({
              source: _this3.sourcePath(node),
              generated: {
                line: line,
                column: column - 2
              },
              original: {
                line: node.source.end.line,
                column: node.source.end.column - 1
              }
            });
          } else {
            _this3.map.addMapping({
              source: '<no source>',
              original: {
                line: 1,
                column: 0
              },
              generated: {
                line: line,
                column: column - 1
              }
            });
          }
        }
      }
    });
  };

  _proto.generate = function generate() {
    this.clearAnnotation();

    if (this.isMap()) {
      return this.generateMap();
    }

    var result = '';
    this.stringify(this.root, function (i) {
      result += i;
    });
    return [result];
  };

  return MapGenerator;
}();

var _default = MapGenerator;
exports.default = _default;
module.exports = exports.default;
//# 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mozilla from 'source-map'\nimport path from 'path'\n\nclass MapGenerator {\n  constructor (stringify, root, opts) {\n    this.stringify = stringify\n    this.mapOpts = opts.map || { }\n    this.root = root\n    this.opts = opts\n  }\n\n  isMap () {\n    if (typeof this.opts.map !== 'undefined') {\n      return !!this.opts.map\n    }\n    return this.previous().length > 0\n  }\n\n  previous () {\n    if (!this.previousMaps) {\n      this.previousMaps = []\n      this.root.walk(node => {\n        if (node.source && node.source.input.map) {\n          let map = node.source.input.map\n          if (this.previousMaps.indexOf(map) === -1) {\n            this.previousMaps.push(map)\n          }\n        }\n      })\n    }\n\n    return this.previousMaps\n  }\n\n  isInline () {\n    if (typeof this.mapOpts.inline !== 'undefined') {\n      return this.mapOpts.inline\n    }\n\n    let annotation = this.mapOpts.annotation\n    if (typeof annotation !== 'undefined' && annotation !== true) {\n      return false\n    }\n\n    if (this.previous().length) {\n      return this.previous().some(i => i.inline)\n    }\n    return true\n  }\n\n  isSourcesContent () {\n    if (typeof this.mapOpts.sourcesContent !== 'undefined') {\n      return this.mapOpts.sourcesContent\n    }\n    if (this.previous().length) {\n      return this.previous().some(i => i.withContent())\n    }\n    return true\n  }\n\n  clearAnnotation () {\n    if (this.mapOpts.annotation === false) return\n\n    let node\n    for (let i = this.root.nodes.length - 1; i >= 0; i--) {\n      node = this.root.nodes[i]\n      if (node.type !== 'comment') continue\n      if (node.text.indexOf('# sourceMappingURL=') === 0) {\n        this.root.removeChild(i)\n      }\n    }\n  }\n\n  setSourcesContent () {\n    let already = { }\n    this.root.walk(node => {\n      if (node.source) {\n        let from = node.source.input.from\n        if (from && !already[from]) {\n          already[from] = true\n          let relative = this.relative(from)\n          this.map.setSourceContent(relative, node.source.input.css)\n        }\n      }\n    })\n  }\n\n  applyPrevMaps () {\n    for (let prev of this.previous()) {\n      let from = this.relative(prev.file)\n      let root = prev.root || path.dirname(prev.file)\n      let map\n\n      if (this.mapOpts.sourcesContent === false) {\n        map = new mozilla.SourceMapConsumer(prev.text)\n        if (map.sourcesContent) {\n          map.sourcesContent = map.sourcesContent.map(() => null)\n        }\n      } else {\n        map = prev.consumer()\n      }\n\n      this.map.applySourceMap(map, from, this.relative(root))\n    }\n  }\n\n  isAnnotation () {\n    if (this.isInline()) {\n      return true\n    }\n    if (typeof this.mapOpts.annotation !== 'undefined') {\n      return this.mapOpts.annotation\n    }\n    if (this.previous().length) {\n      return this.previous().some(i => i.annotation)\n    }\n    return true\n  }\n\n  toBase64 (str) {\n    if (Buffer) {\n   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(this.isAnnotation()) this.addAnnotation()\n\n    if (this.isInline()) {\n      return [this.css]\n    }\n    return [this.css, this.map]\n  }\n\n  relative (file) {\n    if (file.indexOf('<') === 0) return file\n    if (/^\\w+:\\/\\//.test(file)) return file\n\n    let from = this.opts.to ? path.dirname(this.opts.to) : '.'\n\n    if (typeof this.mapOpts.annotation === 'string') {\n      from = path.dirname(path.resolve(from, this.mapOpts.annotation))\n    }\n\n    file = path.relative(from, file)\n    if (path.sep === '\\\\') {\n      return file.replace(/\\\\/g, '/')\n    }\n    return file\n  }\n\n  sourcePath (node) {\n    if (this.mapOpts.from) {\n      return this.mapOpts.from\n    }\n    return this.relative(node.source.input.from)\n  }\n\n  generateString () {\n    this.css = ''\n    this.map = new mozilla.SourceMapGenerator({ file: this.outputFile() })\n\n    let line = 1\n    let column = 1\n\n    let lines, last\n    this.stringify(this.root, (str, node, type) => {\n      this.css += str\n\n      if (node && type !== 'end') {\n        if (node.source && node.source.start) {\n          this.map.addMapping({\n            source: this.sourcePath(node),\n            generated: { line, column: column - 1 },\n            original: {\n              line: node.source.start.line,\n              column: node.source.start.column - 1\n            }\n          })\n        } else {\n          this.map.addMapping({\n            source: '<no source>',\n            original: { line: 1, column: 0 },\n            generated: { line, column: column - 1 }\n          })\n        }\n      }\n\n      lines = str.match(/\\n/g)\n      if (lines) {\n        line += lines.length\n        last = str.lastIndexOf('\\n')\n        column = str.length - last\n      } else {\n        column += str.length\n      }\n\n      if (node && type !== 'start') {\n        let p = node.parent || { raws: { } }\n        if (node.type !== 'decl' || node !== p.last || p.raws.semicolon) {\n          if (node.source && node.source.end) {\n            this.map.addMapping({\n              source: this.sourcePath(node),\n              generated: { line, column: column - 2 },\n              original: {\n                line: node.source.end.line,\n                column: node.source.end.column - 1\n              }\n            })\n          } else {\n            this.map.addMapping({\n              source: '<no source>',\n              original: { line: 1, column: 0 },\n              generated: { line, column: column - 1 }\n            })\n          }\n        }\n      }\n    })\n  }\n\n  generate () {\n    this.clearAnnotation()\n\n    if (this.isMap()) {\n      return this.generateMap()\n    }\n\n    let result = ''\n    this.stringify(this.root, i => {\n      result += i\n    })\n    return [result]\n  }\n}\n\nexport default MapGenerator\n"],"file":"map-generator.js"}

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(38).Buffer))

/***/ }),
/* 77 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.byteLength = byteLength
exports.toByteArray = toByteArray
exports.fromByteArray = fromByteArray

var lookup = []
var revLookup = []
var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array

var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
for (var i = 0, len = code.length; i < len; ++i) {
  lookup[i] = code[i]
  revLookup[code.charCodeAt(i)] = i
}

// Support decoding URL-safe base64 strings, as Node.js does.
// See: https://en.wikipedia.org/wiki/Base64#URL_applications
revLookup['-'.charCodeAt(0)] = 62
revLookup['_'.charCodeAt(0)] = 63

function getLens (b64) {
  var len = b64.length

  if (len % 4 > 0) {
    throw new Error('Invalid string. Length must be a multiple of 4')
  }

  // Trim off extra bytes after placeholder bytes are found
  // See: https://github.com/beatgammit/base64-js/issues/42
  var validLen = b64.indexOf('=')
  if (validLen === -1) validLen = len

  var placeHoldersLen = validLen === len
    ? 0
    : 4 - (validLen % 4)

  return [validLen, placeHoldersLen]
}

// base64 is 4/3 + up to two characters of the original data
function byteLength (b64) {
  var lens = getLens(b64)
  var validLen = lens[0]
  var placeHoldersLen = lens[1]
  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
}

function _byteLength (b64, validLen, placeHoldersLen) {
  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
}

function toByteArray (b64) {
  var tmp
  var lens = getLens(b64)
  var validLen = lens[0]
  var placeHoldersLen = lens[1]

  var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen))

  var curByte = 0

  // if there are placeholders, only get up to the last complete 4 chars
  var len = placeHoldersLen > 0
    ? validLen - 4
    : validLen

  var i
  for (i = 0; i < len; i += 4) {
    tmp =
      (revLookup[b64.charCodeAt(i)] << 18) |
      (revLookup[b64.charCodeAt(i + 1)] << 12) |
      (revLookup[b64.charCodeAt(i + 2)] << 6) |
      revLookup[b64.charCodeAt(i + 3)]
    arr[curByte++] = (tmp >> 16) & 0xFF
    arr[curByte++] = (tmp >> 8) & 0xFF
    arr[curByte++] = tmp & 0xFF
  }

  if (placeHoldersLen === 2) {
    tmp =
      (revLookup[b64.charCodeAt(i)] << 2) |
      (revLookup[b64.charCodeAt(i + 1)] >> 4)
    arr[curByte++] = tmp & 0xFF
  }

  if (placeHoldersLen === 1) {
    tmp =
      (revLookup[b64.charCodeAt(i)] << 10) |
      (revLookup[b64.charCodeAt(i + 1)] << 4) |
      (revLookup[b64.charCodeAt(i + 2)] >> 2)
    arr[curByte++] = (tmp >> 8) & 0xFF
    arr[curByte++] = tmp & 0xFF
  }

  return arr
}

function tripletToBase64 (num) {
  return lookup[num >> 18 & 0x3F] +
    lookup[num >> 12 & 0x3F] +
    lookup[num >> 6 & 0x3F] +
    lookup[num & 0x3F]
}

function encodeChunk (uint8, start, end) {
  var tmp
  var output = []
  for (var i = start; i < end; i += 3) {
    tmp =
      ((uint8[i] << 16) & 0xFF0000) +
      ((uint8[i + 1] << 8) & 0xFF00) +
      (uint8[i + 2] & 0xFF)
    output.push(tripletToBase64(tmp))
  }
  return output.join('')
}

function fromByteArray (uint8) {
  var tmp
  var len = uint8.length
  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
  var parts = []
  var maxChunkLength = 16383 // must be multiple of 3

  // go through the array every three bytes, we'll deal with trailing stuff later
  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
  }

  // pad the end with zeros, but make sure to not forget the extra bytes
  if (extraBytes === 1) {
    tmp = uint8[len - 1]
    parts.push(
      lookup[tmp >> 2] +
      lookup[(tmp << 4) & 0x3F] +
      '=='
    )
  } else if (extraBytes === 2) {
    tmp = (uint8[len - 2] << 8) + uint8[len - 1]
    parts.push(
      lookup[tmp >> 10] +
      lookup[(tmp >> 4) & 0x3F] +
      lookup[(tmp << 2) & 0x3F] +
      '='
    )
  }

  return parts.join('')
}


/***/ }),
/* 78 */
/***/ (function(module, exports) {

/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */
exports.read = function (buffer, offset, isLE, mLen, nBytes) {
  var e, m
  var eLen = (nBytes * 8) - mLen - 1
  var eMax = (1 << eLen) - 1
  var eBias = eMax >> 1
  var nBits = -7
  var i = isLE ? (nBytes - 1) : 0
  var d = isLE ? -1 : 1
  var s = buffer[offset + i]

  i += d

  e = s & ((1 << (-nBits)) - 1)
  s >>= (-nBits)
  nBits += eLen
  for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}

  m = e & ((1 << (-nBits)) - 1)
  e >>= (-nBits)
  nBits += mLen
  for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}

  if (e === 0) {
    e = 1 - eBias
  } else if (e === eMax) {
    return m ? NaN : ((s ? -1 : 1) * Infinity)
  } else {
    m = m + Math.pow(2, mLen)
    e = e - eBias
  }
  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
}

exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
  var e, m, c
  var eLen = (nBytes * 8) - mLen - 1
  var eMax = (1 << eLen) - 1
  var eBias = eMax >> 1
  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
  var i = isLE ? 0 : (nBytes - 1)
  var d = isLE ? 1 : -1
  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0

  value = Math.abs(value)

  if (isNaN(value) || value === Infinity) {
    m = isNaN(value) ? 1 : 0
    e = eMax
  } else {
    e = Math.floor(Math.log(value) / Math.LN2)
    if (value * (c = Math.pow(2, -e)) < 1) {
      e--
      c *= 2
    }
    if (e + eBias >= 1) {
      value += rt / c
    } else {
      value += rt * Math.pow(2, 1 - eBias)
    }
    if (value * c >= 2) {
      e++
      c /= 2
    }

    if (e + eBias >= eMax) {
      m = 0
      e = eMax
    } else if (e + eBias >= 1) {
      m = ((value * c) - 1) * Math.pow(2, mLen)
      e = e + eBias
    } else {
      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
      e = 0
    }
  }

  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}

  e = (e << mLen) | m
  eLen += mLen
  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}

  buffer[offset + i - d] |= s * 128
}


/***/ }),
/* 79 */
/***/ (function(module, exports) {

var toString = {}.toString;

module.exports = Array.isArray || function (arr) {
  return toString.call(arr) == '[object Array]';
};


/***/ }),
/* 80 */
/***/ (function(module, exports) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

var intToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');

/**
 * Encode an integer in the range of 0 to 63 to a single base 64 digit.
 */
exports.encode = function (number) {
  if (0 <= number && number < intToCharMap.length) {
    return intToCharMap[number];
  }
  throw new TypeError("Must be between 0 and 63: " + number);
};

/**
 * Decode a single base 64 character code digit to an integer. Returns -1 on
 * failure.
 */
exports.decode = function (charCode) {
  var bigA = 65;     // 'A'
  var bigZ = 90;     // 'Z'

  var littleA = 97;  // 'a'
  var littleZ = 122; // 'z'

  var zero = 48;     // '0'
  var nine = 57;     // '9'

  var plus = 43;     // '+'
  var slash = 47;    // '/'

  var littleOffset = 26;
  var numberOffset = 52;

  // 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ
  if (bigA <= charCode && charCode <= bigZ) {
    return (charCode - bigA);
  }

  // 26 - 51: abcdefghijklmnopqrstuvwxyz
  if (littleA <= charCode && charCode <= littleZ) {
    return (charCode - littleA + littleOffset);
  }

  // 52 - 61: 0123456789
  if (zero <= charCode && charCode <= nine) {
    return (charCode - zero + numberOffset);
  }

  // 62: +
  if (charCode == plus) {
    return 62;
  }

  // 63: /
  if (charCode == slash) {
    return 63;
  }

  // Invalid base64 digit.
  return -1;
};


/***/ }),
/* 81 */
/***/ (function(module, exports, __webpack_require__) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2014 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

var util = __webpack_require__(8);

/**
 * Determine whether mappingB is after mappingA with respect to generated
 * position.
 */
function generatedPositionAfter(mappingA, mappingB) {
  // Optimized for most common case
  var lineA = mappingA.generatedLine;
  var lineB = mappingB.generatedLine;
  var columnA = mappingA.generatedColumn;
  var columnB = mappingB.generatedColumn;
  return lineB > lineA || lineB == lineA && columnB >= columnA ||
         util.compareByGeneratedPositionsInflated(mappingA, mappingB) <= 0;
}

/**
 * A data structure to provide a sorted view of accumulated mappings in a
 * performance conscious manner. It trades a neglibable overhead in general
 * case for a large speedup in case of mappings being added in order.
 */
function MappingList() {
  this._array = [];
  this._sorted = true;
  // Serves as infimum
  this._last = {generatedLine: -1, generatedColumn: 0};
}

/**
 * Iterate through internal items. This method takes the same arguments that
 * `Array.prototype.forEach` takes.
 *
 * NOTE: The order of the mappings is NOT guaranteed.
 */
MappingList.prototype.unsortedForEach =
  function MappingList_forEach(aCallback, aThisArg) {
    this._array.forEach(aCallback, aThisArg);
  };

/**
 * Add the given source mapping.
 *
 * @param Object aMapping
 */
MappingList.prototype.add = function MappingList_add(aMapping) {
  if (generatedPositionAfter(this._last, aMapping)) {
    this._last = aMapping;
    this._array.push(aMapping);
  } else {
    this._sorted = false;
    this._array.push(aMapping);
  }
};

/**
 * Returns the flat, sorted array of mappings. The mappings are sorted by
 * generated position.
 *
 * WARNING: This method returns internal data without copying, for
 * performance. The return value must NOT be mutated, and should be treated as
 * an immutable borrow. If you want to take ownership, you must make your own
 * copy.
 */
MappingList.prototype.toArray = function MappingList_toArray() {
  if (!this._sorted) {
    this._array.sort(util.compareByGeneratedPositionsInflated);
    this._sorted = true;
  }
  return this._array;
};

exports.MappingList = MappingList;


/***/ }),
/* 82 */
/***/ (function(module, exports, __webpack_require__) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

var util = __webpack_require__(8);
var binarySearch = __webpack_require__(83);
var ArraySet = __webpack_require__(42).ArraySet;
var base64VLQ = __webpack_require__(41);
var quickSort = __webpack_require__(84).quickSort;

function SourceMapConsumer(aSourceMap, aSourceMapURL) {
  var sourceMap = aSourceMap;
  if (typeof aSourceMap === 'string') {
    sourceMap = util.parseSourceMapInput(aSourceMap);
  }

  return sourceMap.sections != null
    ? new IndexedSourceMapConsumer(sourceMap, aSourceMapURL)
    : new BasicSourceMapConsumer(sourceMap, aSourceMapURL);
}

SourceMapConsumer.fromSourceMap = function(aSourceMap, aSourceMapURL) {
  return BasicSourceMapConsumer.fromSourceMap(aSourceMap, aSourceMapURL);
}

/**
 * The version of the source mapping spec that we are consuming.
 */
SourceMapConsumer.prototype._version = 3;

// `__generatedMappings` and `__originalMappings` are arrays that hold the
// parsed mapping coordinates from the source map's "mappings" attribute. They
// are lazily instantiated, accessed via the `_generatedMappings` and
// `_originalMappings` getters respectively, and we only parse the mappings
// and create these arrays once queried for a source location. We jump through
// these hoops because there can be many thousands of mappings, and parsing
// them is expensive, so we only want to do it if we must.
//
// Each object in the arrays is of the form:
//
//     {
//       generatedLine: The line number in the generated code,
//       generatedColumn: The column number in the generated code,
//       source: The path to the original source file that generated this
//               chunk of code,
//       originalLine: The line number in the original source that
//                     corresponds to this chunk of generated code,
//       originalColumn: The column number in the original source that
//                       corresponds to this chunk of generated code,
//       name: The name of the original symbol which generated this chunk of
//             code.
//     }
//
// All properties except for `generatedLine` and `generatedColumn` can be
// `null`.
//
// `_generatedMappings` is ordered by the generated positions.
//
// `_originalMappings` is ordered by the original positions.

SourceMapConsumer.prototype.__generatedMappings = null;
Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', {
  configurable: true,
  enumerable: true,
  get: function () {
    if (!this.__generatedMappings) {
      this._parseMappings(this._mappings, this.sourceRoot);
    }

    return this.__generatedMappings;
  }
});

SourceMapConsumer.prototype.__originalMappings = null;
Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', {
  configurable: true,
  enumerable: true,
  get: function () {
    if (!this.__originalMappings) {
      this._parseMappings(this._mappings, this.sourceRoot);
    }

    return this.__originalMappings;
  }
});

SourceMapConsumer.prototype._charIsMappingSeparator =
  function SourceMapConsumer_charIsMappingSeparator(aStr, index) {
    var c = aStr.charAt(index);
    return c === ";" || c === ",";
  };

/**
 * Parse the mappings in a string in to a data structure which we can easily
 * query (the ordered arrays in the `this.__generatedMappings` and
 * `this.__originalMappings` properties).
 */
SourceMapConsumer.prototype._parseMappings =
  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
    throw new Error("Subclasses must implement _parseMappings");
  };

SourceMapConsumer.GENERATED_ORDER = 1;
SourceMapConsumer.ORIGINAL_ORDER = 2;

SourceMapConsumer.GREATEST_LOWER_BOUND = 1;
SourceMapConsumer.LEAST_UPPER_BOUND = 2;

/**
 * Iterate over each mapping between an original source/line/column and a
 * generated line/column in this source map.
 *
 * @param Function aCallback
 *        The function that is called with each mapping.
 * @param Object aContext
 *        Optional. If specified, this object will be the value of `this` every
 *        time that `aCallback` is called.
 * @param aOrder
 *        Either `SourceMapConsumer.GENERATED_ORDER` or
 *        `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to
 *        iterate over the mappings sorted by the generated file's line/column
 *        order or the original's source/line/column order, respectively. Defaults to
 *        `SourceMapConsumer.GENERATED_ORDER`.
 */
SourceMapConsumer.prototype.eachMapping =
  function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) {
    var context = aContext || null;
    var order = aOrder || SourceMapConsumer.GENERATED_ORDER;

    var mappings;
    switch (order) {
    case SourceMapConsumer.GENERATED_ORDER:
      mappings = this._generatedMappings;
      break;
    case SourceMapConsumer.ORIGINAL_ORDER:
      mappings = this._originalMappings;
      break;
    default:
      throw new Error("Unknown order of iteration.");
    }

    var sourceRoot = this.sourceRoot;
    mappings.map(function (mapping) {
      var source = mapping.source === null ? null : this._sources.at(mapping.source);
      source = util.computeSourceURL(sourceRoot, source, this._sourceMapURL);
      return {
        source: source,
        generatedLine: mapping.generatedLine,
        generatedColumn: mapping.generatedColumn,
        originalLine: mapping.originalLine,
        originalColumn: mapping.originalColumn,
        name: mapping.name === null ? null : this._names.at(mapping.name)
      };
    }, this).forEach(aCallback, context);
  };

/**
 * Returns all generated line and column information for the original source,
 * line, and column provided. If no column is provided, returns all mappings
 * corresponding to a either the line we are searching for or the next
 * closest line that has any mappings. Otherwise, returns all mappings
 * corresponding to the given line and either the column we are searching for
 * or the next closest column that has any offsets.
 *
 * The only argument is an object with the following properties:
 *
 *   - source: The filename of the original source.
 *   - line: The line number in the original source.  The line number is 1-based.
 *   - column: Optional. the column number in the original source.
 *    The column number is 0-based.
 *
 * and an array of objects is returned, each with the following properties:
 *
 *   - line: The line number in the generated source, or null.  The
 *    line number is 1-based.
 *   - column: The column number in the generated source, or null.
 *    The column number is 0-based.
 */
SourceMapConsumer.prototype.allGeneratedPositionsFor =
  function SourceMapConsumer_allGeneratedPositionsFor(aArgs) {
    var line = util.getArg(aArgs, 'line');

    // When there is no exact match, BasicSourceMapConsumer.prototype._findMapping
    // returns the index of the closest mapping less than the needle. By
    // setting needle.originalColumn to 0, we thus find the last mapping for
    // the given line, provided such a mapping exists.
    var needle = {
      source: util.getArg(aArgs, 'source'),
      originalLine: line,
      originalColumn: util.getArg(aArgs, 'column', 0)
    };

    needle.source = this._findSourceIndex(needle.source);
    if (needle.source < 0) {
      return [];
    }

    var mappings = [];

    var index = this._findMapping(needle,
                                  this._originalMappings,
                                  "originalLine",
                                  "originalColumn",
                                  util.compareByOriginalPositions,
                                  binarySearch.LEAST_UPPER_BOUND);
    if (index >= 0) {
      var mapping = this._originalMappings[index];

      if (aArgs.column === undefined) {
        var originalLine = mapping.originalLine;

        // Iterate until either we run out of mappings, or we run into
        // a mapping for a different line than the one we found. Since
        // mappings are sorted, this is guaranteed to find all mappings for
        // the line we found.
        while (mapping && mapping.originalLine === originalLine) {
          mappings.push({
            line: util.getArg(mapping, 'generatedLine', null),
            column: util.getArg(mapping, 'generatedColumn', null),
            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
          });

          mapping = this._originalMappings[++index];
        }
      } else {
        var originalColumn = mapping.originalColumn;

        // Iterate until either we run out of mappings, or we run into
        // a mapping for a different line than the one we were searching for.
        // Since mappings are sorted, this is guaranteed to find all mappings for
        // the line we are searching for.
        while (mapping &&
               mapping.originalLine === line &&
               mapping.originalColumn == originalColumn) {
          mappings.push({
            line: util.getArg(mapping, 'generatedLine', null),
            column: util.getArg(mapping, 'generatedColumn', null),
            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
          });

          mapping = this._originalMappings[++index];
        }
      }
    }

    return mappings;
  };

exports.SourceMapConsumer = SourceMapConsumer;

/**
 * A BasicSourceMapConsumer instance represents a parsed source map which we can
 * query for information about the original file positions by giving it a file
 * position in the generated source.
 *
 * The first parameter is the raw source map (either as a JSON string, or
 * already parsed to an object). According to the spec, source maps have the
 * following attributes:
 *
 *   - version: Which version of the source map spec this map is following.
 *   - sources: An array of URLs to the original source files.
 *   - names: An array of identifiers which can be referrenced by individual mappings.
 *   - sourceRoot: Optional. The URL root from which all sources are relative.
 *   - sourcesContent: Optional. An array of contents of the original source files.
 *   - mappings: A string of base64 VLQs which contain the actual mappings.
 *   - file: Optional. The generated file this source map is associated with.
 *
 * Here is an example source map, taken from the source map spec[0]:
 *
 *     {
 *       version : 3,
 *       file: "out.js",
 *       sourceRoot : "",
 *       sources: ["foo.js", "bar.js"],
 *       names: ["src", "maps", "are", "fun"],
 *       mappings: "AA,AB;;ABCDE;"
 *     }
 *
 * The second parameter, if given, is a string whose value is the URL
 * at which the source map was found.  This URL is used to compute the
 * sources array.
 *
 * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#
 */
function BasicSourceMapConsumer(aSourceMap, aSourceMapURL) {
  var sourceMap = aSourceMap;
  if (typeof aSourceMap === 'string') {
    sourceMap = util.parseSourceMapInput(aSourceMap);
  }

  var version = util.getArg(sourceMap, 'version');
  var sources = util.getArg(sourceMap, 'sources');
  // Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which
  // requires the array) to play nice here.
  var names = util.getArg(sourceMap, 'names', []);
  var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null);
  var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null);
  var mappings = util.getArg(sourceMap, 'mappings');
  var file = util.getArg(sourceMap, 'file', null);

  // Once again, Sass deviates from the spec and supplies the version as a
  // string rather than a number, so we use loose equality checking here.
  if (version != this._version) {
    throw new Error('Unsupported version: ' + version);
  }

  if (sourceRoot) {
    sourceRoot = util.normalize(sourceRoot);
  }

  sources = sources
    .map(String)
    // Some source maps produce relative source paths like "./foo.js" instead of
    // "foo.js".  Normalize these first so that future comparisons will succeed.
    // See bugzil.la/1090768.
    .map(util.normalize)
    // Always ensure that absolute sources are internally stored relative to
    // the source root, if the source root is absolute. Not doing this would
    // be particularly problematic when the source root is a prefix of the
    // source (valid, but why??). See github issue #199 and bugzil.la/1188982.
    .map(function (source) {
      return sourceRoot && util.isAbsolute(sourceRoot) && util.isAbsolute(source)
        ? util.relative(sourceRoot, source)
        : source;
    });

  // Pass `true` below to allow duplicate names and sources. While source maps
  // are intended to be compressed and deduplicated, the TypeScript compiler
  // sometimes generates source maps with duplicates in them. See Github issue
  // #72 and bugzil.la/889492.
  this._names = ArraySet.fromArray(names.map(String), true);
  this._sources = ArraySet.fromArray(sources, true);

  this._absoluteSources = this._sources.toArray().map(function (s) {
    return util.computeSourceURL(sourceRoot, s, aSourceMapURL);
  });

  this.sourceRoot = sourceRoot;
  this.sourcesContent = sourcesContent;
  this._mappings = mappings;
  this._sourceMapURL = aSourceMapURL;
  this.file = file;
}

BasicSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
BasicSourceMapConsumer.prototype.consumer = SourceMapConsumer;

/**
 * Utility function to find the index of a source.  Returns -1 if not
 * found.
 */
BasicSourceMapConsumer.prototype._findSourceIndex = function(aSource) {
  var relativeSource = aSource;
  if (this.sourceRoot != null) {
    relativeSource = util.relative(this.sourceRoot, relativeSource);
  }

  if (this._sources.has(relativeSource)) {
    return this._sources.indexOf(relativeSource);
  }

  // Maybe aSource is an absolute URL as returned by |sources|.  In
  // this case we can't simply undo the transform.
  var i;
  for (i = 0; i < this._absoluteSources.length; ++i) {
    if (this._absoluteSources[i] == aSource) {
      return i;
    }
  }

  return -1;
};

/**
 * Create a BasicSourceMapConsumer from a SourceMapGenerator.
 *
 * @param SourceMapGenerator aSourceMap
 *        The source map that will be consumed.
 * @param String aSourceMapURL
 *        The URL at which the source map can be found (optional)
 * @returns BasicSourceMapConsumer
 */
BasicSourceMapConsumer.fromSourceMap =
  function SourceMapConsumer_fromSourceMap(aSourceMap, aSourceMapURL) {
    var smc = Object.create(BasicSourceMapConsumer.prototype);

    var names = smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true);
    var sources = smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true);
    smc.sourceRoot = aSourceMap._sourceRoot;
    smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(),
                                                            smc.sourceRoot);
    smc.file = aSourceMap._file;
    smc._sourceMapURL = aSourceMapURL;
    smc._absoluteSources = smc._sources.toArray().map(function (s) {
      return util.computeSourceURL(smc.sourceRoot, s, aSourceMapURL);
    });

    // Because we are modifying the entries (by converting string sources and
    // names to indices into the sources and names ArraySets), we have to make
    // a copy of the entry or else bad things happen. Shared mutable state
    // strikes again! See github issue #191.

    var generatedMappings = aSourceMap._mappings.toArray().slice();
    var destGeneratedMappings = smc.__generatedMappings = [];
    var destOriginalMappings = smc.__originalMappings = [];

    for (var i = 0, length = generatedMappings.length; i < length; i++) {
      var srcMapping = generatedMappings[i];
      var destMapping = new Mapping;
      destMapping.generatedLine = srcMapping.generatedLine;
      destMapping.generatedColumn = srcMapping.generatedColumn;

      if (srcMapping.source) {
        destMapping.source = sources.indexOf(srcMapping.source);
        destMapping.originalLine = srcMapping.originalLine;
        destMapping.originalColumn = srcMapping.originalColumn;

        if (srcMapping.name) {
          destMapping.name = names.indexOf(srcMapping.name);
        }

        destOriginalMappings.push(destMapping);
      }

      destGeneratedMappings.push(destMapping);
    }

    quickSort(smc.__originalMappings, util.compareByOriginalPositions);

    return smc;
  };

/**
 * The version of the source mapping spec that we are consuming.
 */
BasicSourceMapConsumer.prototype._version = 3;

/**
 * The list of original sources.
 */
Object.defineProperty(BasicSourceMapConsumer.prototype, 'sources', {
  get: function () {
    return this._absoluteSources.slice();
  }
});

/**
 * Provide the JIT with a nice shape / hidden class.
 */
function Mapping() {
  this.generatedLine = 0;
  this.generatedColumn = 0;
  this.source = null;
  this.originalLine = null;
  this.originalColumn = null;
  this.name = null;
}

/**
 * Parse the mappings in a string in to a data structure which we can easily
 * query (the ordered arrays in the `this.__generatedMappings` and
 * `this.__originalMappings` properties).
 */
BasicSourceMapConsumer.prototype._parseMappings =
  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
    var generatedLine = 1;
    var previousGeneratedColumn = 0;
    var previousOriginalLine = 0;
    var previousOriginalColumn = 0;
    var previousSource = 0;
    var previousName = 0;
    var length = aStr.length;
    var index = 0;
    var cachedSegments = {};
    var temp = {};
    var originalMappings = [];
    var generatedMappings = [];
    var mapping, str, segment, end, value;

    while (index < length) {
      if (aStr.charAt(index) === ';') {
        generatedLine++;
        index++;
        previousGeneratedColumn = 0;
      }
      else if (aStr.charAt(index) === ',') {
        index++;
      }
      else {
        mapping = new Mapping();
        mapping.generatedLine = generatedLine;

        // Because each offset is encoded relative to the previous one,
        // many segments often have the same encoding. We can exploit this
        // fact by caching the parsed variable length fields of each segment,
        // allowing us to avoid a second parse if we encounter the same
        // segment again.
        for (end = index; end < length; end++) {
          if (this._charIsMappingSeparator(aStr, end)) {
            break;
          }
        }
        str = aStr.slice(index, end);

        segment = cachedSegments[str];
        if (segment) {
          index += str.length;
        } else {
          segment = [];
          while (index < end) {
            base64VLQ.decode(aStr, index, temp);
            value = temp.value;
            index = temp.rest;
            segment.push(value);
          }

          if (segment.length === 2) {
            throw new Error('Found a source, but no line and column');
          }

          if (segment.length === 3) {
            throw new Error('Found a source and line, but no column');
          }

          cachedSegments[str] = segment;
        }

        // Generated column.
        mapping.generatedColumn = previousGeneratedColumn + segment[0];
        previousGeneratedColumn = mapping.generatedColumn;

        if (segment.length > 1) {
          // Original source.
          mapping.source = previousSource + segment[1];
          previousSource += segment[1];

          // Original line.
          mapping.originalLine = previousOriginalLine + segment[2];
          previousOriginalLine = mapping.originalLine;
          // Lines are stored 0-based
          mapping.originalLine += 1;

          // Original column.
          mapping.originalColumn = previousOriginalColumn + segment[3];
          previousOriginalColumn = mapping.originalColumn;

          if (segment.length > 4) {
            // Original name.
            mapping.name = previousName + segment[4];
            previousName += segment[4];
          }
        }

        generatedMappings.push(mapping);
        if (typeof mapping.originalLine === 'number') {
          originalMappings.push(mapping);
        }
      }
    }

    quickSort(generatedMappings, util.compareByGeneratedPositionsDeflated);
    this.__generatedMappings = generatedMappings;

    quickSort(originalMappings, util.compareByOriginalPositions);
    this.__originalMappings = originalMappings;
  };

/**
 * Find the mapping that best matches the hypothetical "needle" mapping that
 * we are searching for in the given "haystack" of mappings.
 */
BasicSourceMapConsumer.prototype._findMapping =
  function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName,
                                         aColumnName, aComparator, aBias) {
    // To return the position we are searching for, we must first find the
    // mapping for the given position and then return the opposite position it
    // points to. Because the mappings are sorted, we can use binary search to
    // find the best mapping.

    if (aNeedle[aLineName] <= 0) {
      throw new TypeError('Line must be greater than or equal to 1, got '
                          + aNeedle[aLineName]);
    }
    if (aNeedle[aColumnName] < 0) {
      throw new TypeError('Column must be greater than or equal to 0, got '
                          + aNeedle[aColumnName]);
    }

    return binarySearch.search(aNeedle, aMappings, aComparator, aBias);
  };

/**
 * Compute the last column for each generated mapping. The last column is
 * inclusive.
 */
BasicSourceMapConsumer.prototype.computeColumnSpans =
  function SourceMapConsumer_computeColumnSpans() {
    for (var index = 0; index < this._generatedMappings.length; ++index) {
      var mapping = this._generatedMappings[index];

      // Mappings do not contain a field for the last generated columnt. We
      // can come up with an optimistic estimate, however, by assuming that
      // mappings are contiguous (i.e. given two consecutive mappings, the
      // first mapping ends where the second one starts).
      if (index + 1 < this._generatedMappings.length) {
        var nextMapping = this._generatedMappings[index + 1];

        if (mapping.generatedLine === nextMapping.generatedLine) {
          mapping.lastGeneratedColumn = nextMapping.generatedColumn - 1;
          continue;
        }
      }

      // The last mapping for each line spans the entire line.
      mapping.lastGeneratedColumn = Infinity;
    }
  };

/**
 * Returns the original source, line, and column information for the generated
 * source's line and column positions provided. The only argument is an object
 * with the following properties:
 *
 *   - line: The line number in the generated source.  The line number
 *     is 1-based.
 *   - column: The column number in the generated source.  The column
 *     number is 0-based.
 *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
 *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
 *     closest element that is smaller than or greater than the one we are
 *     searching for, respectively, if the exact element cannot be found.
 *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
 *
 * and an object is returned with the following properties:
 *
 *   - source: The original source file, or null.
 *   - line: The line number in the original source, or null.  The
 *     line number is 1-based.
 *   - column: The column number in the original source, or null.  The
 *     column number is 0-based.
 *   - name: The original identifier, or null.
 */
BasicSourceMapConsumer.prototype.originalPositionFor =
  function SourceMapConsumer_originalPositionFor(aArgs) {
    var needle = {
      generatedLine: util.getArg(aArgs, 'line'),
      generatedColumn: util.getArg(aArgs, 'column')
    };

    var index = this._findMapping(
      needle,
      this._generatedMappings,
      "generatedLine",
      "generatedColumn",
      util.compareByGeneratedPositionsDeflated,
      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
    );

    if (index >= 0) {
      var mapping = this._generatedMappings[index];

      if (mapping.generatedLine === needle.generatedLine) {
        var source = util.getArg(mapping, 'source', null);
        if (source !== null) {
          source = this._sources.at(source);
          source = util.computeSourceURL(this.sourceRoot, source, this._sourceMapURL);
        }
        var name = util.getArg(mapping, 'name', null);
        if (name !== null) {
          name = this._names.at(name);
        }
        return {
          source: source,
          line: util.getArg(mapping, 'originalLine', null),
          column: util.getArg(mapping, 'originalColumn', null),
          name: name
        };
      }
    }

    return {
      source: null,
      line: null,
      column: null,
      name: null
    };
  };

/**
 * Return true if we have the source content for every source in the source
 * map, false otherwise.
 */
BasicSourceMapConsumer.prototype.hasContentsOfAllSources =
  function BasicSourceMapConsumer_hasContentsOfAllSources() {
    if (!this.sourcesContent) {
      return false;
    }
    return this.sourcesContent.length >= this._sources.size() &&
      !this.sourcesContent.some(function (sc) { return sc == null; });
  };

/**
 * Returns the original source content. The only argument is the url of the
 * original source file. Returns null if no original source content is
 * available.
 */
BasicSourceMapConsumer.prototype.sourceContentFor =
  function SourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
    if (!this.sourcesContent) {
      return null;
    }

    var index = this._findSourceIndex(aSource);
    if (index >= 0) {
      return this.sourcesContent[index];
    }

    var relativeSource = aSource;
    if (this.sourceRoot != null) {
      relativeSource = util.relative(this.sourceRoot, relativeSource);
    }

    var url;
    if (this.sourceRoot != null
        && (url = util.urlParse(this.sourceRoot))) {
      // XXX: file:// URIs and absolute paths lead to unexpected behavior for
      // many users. We can help them out when they expect file:// URIs to
      // behave like it would if they were running a local HTTP server. See
      // https://bugzilla.mozilla.org/show_bug.cgi?id=885597.
      var fileUriAbsPath = relativeSource.replace(/^file:\/\//, "");
      if (url.scheme == "file"
          && this._sources.has(fileUriAbsPath)) {
        return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)]
      }

      if ((!url.path || url.path == "/")
          && this._sources.has("/" + relativeSource)) {
        return this.sourcesContent[this._sources.indexOf("/" + relativeSource)];
      }
    }

    // This function is used recursively from
    // IndexedSourceMapConsumer.prototype.sourceContentFor. In that case, we
    // don't want to throw if we can't find the source - we just want to
    // return null, so we provide a flag to exit gracefully.
    if (nullOnMissing) {
      return null;
    }
    else {
      throw new Error('"' + relativeSource + '" is not in the SourceMap.');
    }
  };

/**
 * Returns the generated line and column information for the original source,
 * line, and column positions provided. The only argument is an object with
 * the following properties:
 *
 *   - source: The filename of the original source.
 *   - line: The line number in the original source.  The line number
 *     is 1-based.
 *   - column: The column number in the original source.  The column
 *     number is 0-based.
 *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
 *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
 *     closest element that is smaller than or greater than the one we are
 *     searching for, respectively, if the exact element cannot be found.
 *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
 *
 * and an object is returned with the following properties:
 *
 *   - line: The line number in the generated source, or null.  The
 *     line number is 1-based.
 *   - column: The column number in the generated source, or null.
 *     The column number is 0-based.
 */
BasicSourceMapConsumer.prototype.generatedPositionFor =
  function SourceMapConsumer_generatedPositionFor(aArgs) {
    var source = util.getArg(aArgs, 'source');
    source = this._findSourceIndex(source);
    if (source < 0) {
      return {
        line: null,
        column: null,
        lastColumn: null
      };
    }

    var needle = {
      source: source,
      originalLine: util.getArg(aArgs, 'line'),
      originalColumn: util.getArg(aArgs, 'column')
    };

    var index = this._findMapping(
      needle,
      this._originalMappings,
      "originalLine",
      "originalColumn",
      util.compareByOriginalPositions,
      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
    );

    if (index >= 0) {
      var mapping = this._originalMappings[index];

      if (mapping.source === needle.source) {
        return {
          line: util.getArg(mapping, 'generatedLine', null),
          column: util.getArg(mapping, 'generatedColumn', null),
          lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
        };
      }
    }

    return {
      line: null,
      column: null,
      lastColumn: null
    };
  };

exports.BasicSourceMapConsumer = BasicSourceMapConsumer;

/**
 * An IndexedSourceMapConsumer instance represents a parsed source map which
 * we can query for information. It differs from BasicSourceMapConsumer in
 * that it takes "indexed" source maps (i.e. ones with a "sections" field) as
 * input.
 *
 * The first parameter is a raw source map (either as a JSON string, or already
 * parsed to an object). According to the spec for indexed source maps, they
 * have the following attributes:
 *
 *   - version: Which version of the source map spec this map is following.
 *   - file: Optional. The generated file this source map is associated with.
 *   - sections: A list of section definitions.
 *
 * Each value under the "sections" field has two fields:
 *   - offset: The offset into the original specified at which this section
 *       begins to apply, defined as an object with a "line" and "column"
 *       field.
 *   - map: A source map definition. This source map could also be indexed,
 *       but doesn't have to be.
 *
 * Instead of the "map" field, it's also possible to have a "url" field
 * specifying a URL to retrieve a source map from, but that's currently
 * unsupported.
 *
 * Here's an example source map, taken from the source map spec[0], but
 * modified to omit a section which uses the "url" field.
 *
 *  {
 *    version : 3,
 *    file: "app.js",
 *    sections: [{
 *      offset: {line:100, column:10},
 *      map: {
 *        version : 3,
 *        file: "section.js",
 *        sources: ["foo.js", "bar.js"],
 *        names: ["src", "maps", "are", "fun"],
 *        mappings: "AAAA,E;;ABCDE;"
 *      }
 *    }],
 *  }
 *
 * The second parameter, if given, is a string whose value is the URL
 * at which the source map was found.  This URL is used to compute the
 * sources array.
 *
 * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#heading=h.535es3xeprgt
 */
function IndexedSourceMapConsumer(aSourceMap, aSourceMapURL) {
  var sourceMap = aSourceMap;
  if (typeof aSourceMap === 'string') {
    sourceMap = util.parseSourceMapInput(aSourceMap);
  }

  var version = util.getArg(sourceMap, 'version');
  var sections = util.getArg(sourceMap, 'sections');

  if (version != this._version) {
    throw new Error('Unsupported version: ' + version);
  }

  this._sources = new ArraySet();
  this._names = new ArraySet();

  var lastOffset = {
    line: -1,
    column: 0
  };
  this._sections = sections.map(function (s) {
    if (s.url) {
      // The url field will require support for asynchronicity.
      // See https://github.com/mozilla/source-map/issues/16
      throw new Error('Support for url field in sections not implemented.');
    }
    var offset = util.getArg(s, 'offset');
    var offsetLine = util.getArg(offset, 'line');
    var offsetColumn = util.getArg(offset, 'column');

    if (offsetLine < lastOffset.line ||
        (offsetLine === lastOffset.line && offsetColumn < lastOffset.column)) {
      throw new Error('Section offsets must be ordered and non-overlapping.');
    }
    lastOffset = offset;

    return {
      generatedOffset: {
        // The offset fields are 0-based, but we use 1-based indices when
        // encoding/decoding from VLQ.
        generatedLine: offsetLine + 1,
        generatedColumn: offsetColumn + 1
      },
      consumer: new SourceMapConsumer(util.getArg(s, 'map'), aSourceMapURL)
    }
  });
}

IndexedSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
IndexedSourceMapConsumer.prototype.constructor = SourceMapConsumer;

/**
 * The version of the source mapping spec that we are consuming.
 */
IndexedSourceMapConsumer.prototype._version = 3;

/**
 * The list of original sources.
 */
Object.defineProperty(IndexedSourceMapConsumer.prototype, 'sources', {
  get: function () {
    var sources = [];
    for (var i = 0; i < this._sections.length; i++) {
      for (var j = 0; j < this._sections[i].consumer.sources.length; j++) {
        sources.push(this._sections[i].consumer.sources[j]);
      }
    }
    return sources;
  }
});

/**
 * Returns the original source, line, and column information for the generated
 * source's line and column positions provided. The only argument is an object
 * with the following properties:
 *
 *   - line: The line number in the generated source.  The line number
 *     is 1-based.
 *   - column: The column number in the generated source.  The column
 *     number is 0-based.
 *
 * and an object is returned with the following properties:
 *
 *   - source: The original source file, or null.
 *   - line: The line number in the original source, or null.  The
 *     line number is 1-based.
 *   - column: The column number in the original source, or null.  The
 *     column number is 0-based.
 *   - name: The original identifier, or null.
 */
IndexedSourceMapConsumer.prototype.originalPositionFor =
  function IndexedSourceMapConsumer_originalPositionFor(aArgs) {
    var needle = {
      generatedLine: util.getArg(aArgs, 'line'),
      generatedColumn: util.getArg(aArgs, 'column')
    };

    // Find the section containing the generated position we're trying to map
    // to an original position.
    var sectionIndex = binarySearch.search(needle, this._sections,
      function(needle, section) {
        var cmp = needle.generatedLine - section.generatedOffset.generatedLine;
        if (cmp) {
          return cmp;
        }

        return (needle.generatedColumn -
                section.generatedOffset.generatedColumn);
      });
    var section = this._sections[sectionIndex];

    if (!section) {
      return {
        source: null,
        line: null,
        column: null,
        name: null
      };
    }

    return section.consumer.originalPositionFor({
      line: needle.generatedLine -
        (section.generatedOffset.generatedLine - 1),
      column: needle.generatedColumn -
        (section.generatedOffset.generatedLine === needle.generatedLine
         ? section.generatedOffset.generatedColumn - 1
         : 0),
      bias: aArgs.bias
    });
  };

/**
 * Return true if we have the source content for every source in the source
 * map, false otherwise.
 */
IndexedSourceMapConsumer.prototype.hasContentsOfAllSources =
  function IndexedSourceMapConsumer_hasContentsOfAllSources() {
    return this._sections.every(function (s) {
      return s.consumer.hasContentsOfAllSources();
    });
  };

/**
 * Returns the original source content. The only argument is the url of the
 * original source file. Returns null if no original source content is
 * available.
 */
IndexedSourceMapConsumer.prototype.sourceContentFor =
  function IndexedSourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
    for (var i = 0; i < this._sections.length; i++) {
      var section = this._sections[i];

      var content = section.consumer.sourceContentFor(aSource, true);
      if (content) {
        return content;
      }
    }
    if (nullOnMissing) {
      return null;
    }
    else {
      throw new Error('"' + aSource + '" is not in the SourceMap.');
    }
  };

/**
 * Returns the generated line and column information for the original source,
 * line, and column positions provided. The only argument is an object with
 * the following properties:
 *
 *   - source: The filename of the original source.
 *   - line: The line number in the original source.  The line number
 *     is 1-based.
 *   - column: The column number in the original source.  The column
 *     number is 0-based.
 *
 * and an object is returned with the following properties:
 *
 *   - line: The line number in the generated source, or null.  The
 *     line number is 1-based. 
 *   - column: The column number in the generated source, or null.
 *     The column number is 0-based.
 */
IndexedSourceMapConsumer.prototype.generatedPositionFor =
  function IndexedSourceMapConsumer_generatedPositionFor(aArgs) {
    for (var i = 0; i < this._sections.length; i++) {
      var section = this._sections[i];

      // Only consider this section if the requested source is in the list of
      // sources of the consumer.
      if (section.consumer._findSourceIndex(util.getArg(aArgs, 'source')) === -1) {
        continue;
      }
      var generatedPosition = section.consumer.generatedPositionFor(aArgs);
      if (generatedPosition) {
        var ret = {
          line: generatedPosition.line +
            (section.generatedOffset.generatedLine - 1),
          column: generatedPosition.column +
            (section.generatedOffset.generatedLine === generatedPosition.line
             ? section.generatedOffset.generatedColumn - 1
             : 0)
        };
        return ret;
      }
    }

    return {
      line: null,
      column: null
    };
  };

/**
 * Parse the mappings in a string in to a data structure which we can easily
 * query (the ordered arrays in the `this.__generatedMappings` and
 * `this.__originalMappings` properties).
 */
IndexedSourceMapConsumer.prototype._parseMappings =
  function IndexedSourceMapConsumer_parseMappings(aStr, aSourceRoot) {
    this.__generatedMappings = [];
    this.__originalMappings = [];
    for (var i = 0; i < this._sections.length; i++) {
      var section = this._sections[i];
      var sectionMappings = section.consumer._generatedMappings;
      for (var j = 0; j < sectionMappings.length; j++) {
        var mapping = sectionMappings[j];

        var source = section.consumer._sources.at(mapping.source);
        source = util.computeSourceURL(section.consumer.sourceRoot, source, this._sourceMapURL);
        this._sources.add(source);
        source = this._sources.indexOf(source);

        var name = null;
        if (mapping.name) {
          name = section.consumer._names.at(mapping.name);
          this._names.add(name);
          name = this._names.indexOf(name);
        }

        // The mappings coming from the consumer for the section have
        // generated positions relative to the start of the section, so we
        // need to offset them to be relative to the start of the concatenated
        // generated file.
        var adjustedMapping = {
          source: source,
          generatedLine: mapping.generatedLine +
            (section.generatedOffset.generatedLine - 1),
          generatedColumn: mapping.generatedColumn +
            (section.generatedOffset.generatedLine === mapping.generatedLine
            ? section.generatedOffset.generatedColumn - 1
            : 0),
          originalLine: mapping.originalLine,
          originalColumn: mapping.originalColumn,
          name: name
        };

        this.__generatedMappings.push(adjustedMapping);
        if (typeof adjustedMapping.originalLine === 'number') {
          this.__originalMappings.push(adjustedMapping);
        }
      }
    }

    quickSort(this.__generatedMappings, util.compareByGeneratedPositionsDeflated);
    quickSort(this.__originalMappings, util.compareByOriginalPositions);
  };

exports.IndexedSourceMapConsumer = IndexedSourceMapConsumer;


/***/ }),
/* 83 */
/***/ (function(module, exports) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

exports.GREATEST_LOWER_BOUND = 1;
exports.LEAST_UPPER_BOUND = 2;

/**
 * Recursive implementation of binary search.
 *
 * @param aLow Indices here and lower do not contain the needle.
 * @param aHigh Indices here and higher do not contain the needle.
 * @param aNeedle The element being searched for.
 * @param aHaystack The non-empty array being searched.
 * @param aCompare Function which takes two elements and returns -1, 0, or 1.
 * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
 *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
 *     closest element that is smaller than or greater than the one we are
 *     searching for, respectively, if the exact element cannot be found.
 */
function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare, aBias) {
  // This function terminates when one of the following is true:
  //
  //   1. We find the exact element we are looking for.
  //
  //   2. We did not find the exact element, but we can return the index of
  //      the next-closest element.
  //
  //   3. We did not find the exact element, and there is no next-closest
  //      element than the one we are searching for, so we return -1.
  var mid = Math.floor((aHigh - aLow) / 2) + aLow;
  var cmp = aCompare(aNeedle, aHaystack[mid], true);
  if (cmp === 0) {
    // Found the element we are looking for.
    return mid;
  }
  else if (cmp > 0) {
    // Our needle is greater than aHaystack[mid].
    if (aHigh - mid > 1) {
      // The element is in the upper half.
      return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare, aBias);
    }

    // The exact needle element was not found in this haystack. Determine if
    // we are in termination case (3) or (2) and return the appropriate thing.
    if (aBias == exports.LEAST_UPPER_BOUND) {
      return aHigh < aHaystack.length ? aHigh : -1;
    } else {
      return mid;
    }
  }
  else {
    // Our needle is less than aHaystack[mid].
    if (mid - aLow > 1) {
      // The element is in the lower half.
      return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare, aBias);
    }

    // we are in termination case (3) or (2) and return the appropriate thing.
    if (aBias == exports.LEAST_UPPER_BOUND) {
      return mid;
    } else {
      return aLow < 0 ? -1 : aLow;
    }
  }
}

/**
 * This is an implementation of binary search which will always try and return
 * the index of the closest element if there is no exact hit. This is because
 * mappings between original and generated line/col pairs are single points,
 * and there is an implicit region between each of them, so a miss just means
 * that you aren't on the very start of a region.
 *
 * @param aNeedle The element you are looking for.
 * @param aHaystack The array that is being searched.
 * @param aCompare A function which takes the needle and an element in the
 *     array and returns -1, 0, or 1 depending on whether the needle is less
 *     than, equal to, or greater than the element, respectively.
 * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
 *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
 *     closest element that is smaller than or greater than the one we are
 *     searching for, respectively, if the exact element cannot be found.
 *     Defaults to 'binarySearch.GREATEST_LOWER_BOUND'.
 */
exports.search = function search(aNeedle, aHaystack, aCompare, aBias) {
  if (aHaystack.length === 0) {
    return -1;
  }

  var index = recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack,
                              aCompare, aBias || exports.GREATEST_LOWER_BOUND);
  if (index < 0) {
    return -1;
  }

  // We have found either the exact element, or the next-closest element than
  // the one we are searching for. However, there may be more than one such
  // element. Make sure we always return the smallest of these.
  while (index - 1 >= 0) {
    if (aCompare(aHaystack[index], aHaystack[index - 1], true) !== 0) {
      break;
    }
    --index;
  }

  return index;
};


/***/ }),
/* 84 */
/***/ (function(module, exports) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

// It turns out that some (most?) JavaScript engines don't self-host
// `Array.prototype.sort`. This makes sense because C++ will likely remain
// faster than JS when doing raw CPU-intensive sorting. However, when using a
// custom comparator function, calling back and forth between the VM's C++ and
// JIT'd JS is rather slow *and* loses JIT type information, resulting in
// worse generated code for the comparator function than would be optimal. In
// fact, when sorting with a comparator, these costs outweigh the benefits of
// sorting in C++. By using our own JS-implemented Quick Sort (below), we get
// a ~3500ms mean speed-up in `bench/bench.html`.

/**
 * Swap the elements indexed by `x` and `y` in the array `ary`.
 *
 * @param {Array} ary
 *        The array.
 * @param {Number} x
 *        The index of the first item.
 * @param {Number} y
 *        The index of the second item.
 */
function swap(ary, x, y) {
  var temp = ary[x];
  ary[x] = ary[y];
  ary[y] = temp;
}

/**
 * Returns a random integer within the range `low .. high` inclusive.
 *
 * @param {Number} low
 *        The lower bound on the range.
 * @param {Number} high
 *        The upper bound on the range.
 */
function randomIntInRange(low, high) {
  return Math.round(low + (Math.random() * (high - low)));
}

/**
 * The Quick Sort algorithm.
 *
 * @param {Array} ary
 *        An array to sort.
 * @param {function} comparator
 *        Function to use to compare two items.
 * @param {Number} p
 *        Start index of the array
 * @param {Number} r
 *        End index of the array
 */
function doQuickSort(ary, comparator, p, r) {
  // If our lower bound is less than our upper bound, we (1) partition the
  // array into two pieces and (2) recurse on each half. If it is not, this is
  // the empty array and our base case.

  if (p < r) {
    // (1) Partitioning.
    //
    // The partitioning chooses a pivot between `p` and `r` and moves all
    // elements that are less than or equal to the pivot to the before it, and
    // all the elements that are greater than it after it. The effect is that
    // once partition is done, the pivot is in the exact place it will be when
    // the array is put in sorted order, and it will not need to be moved
    // again. This runs in O(n) time.

    // Always choose a random pivot so that an input array which is reverse
    // sorted does not cause O(n^2) running time.
    var pivotIndex = randomIntInRange(p, r);
    var i = p - 1;

    swap(ary, pivotIndex, r);
    var pivot = ary[r];

    // Immediately after `j` is incremented in this loop, the following hold
    // true:
    //
    //   * Every element in `ary[p .. i]` is less than or equal to the pivot.
    //
    //   * Every element in `ary[i+1 .. j-1]` is greater than the pivot.
    for (var j = p; j < r; j++) {
      if (comparator(ary[j], pivot) <= 0) {
        i += 1;
        swap(ary, i, j);
      }
    }

    swap(ary, i + 1, j);
    var q = i + 1;

    // (2) Recurse on each half.

    doQuickSort(ary, comparator, p, q - 1);
    doQuickSort(ary, comparator, q + 1, r);
  }
}

/**
 * Sort the given array in-place with the given comparator function.
 *
 * @param {Array} ary
 *        An array to sort.
 * @param {function} comparator
 *        Function to use to compare two items.
 */
exports.quickSort = function (ary, comparator) {
  doQuickSort(ary, comparator, 0, ary.length - 1);
};


/***/ }),
/* 85 */
/***/ (function(module, exports, __webpack_require__) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

var SourceMapGenerator = __webpack_require__(40).SourceMapGenerator;
var util = __webpack_require__(8);

// Matches a Windows-style `\r\n` newline or a `\n` newline used by all other
// operating systems these days (capturing the result).
var REGEX_NEWLINE = /(\r?\n)/;

// Newline character code for charCodeAt() comparisons
var NEWLINE_CODE = 10;

// Private symbol for identifying `SourceNode`s when multiple versions of
// the source-map library are loaded. This MUST NOT CHANGE across
// versions!
var isSourceNode = "$$$isSourceNode$$$";

/**
 * SourceNodes provide a way to abstract over interpolating/concatenating
 * snippets of generated JavaScript source code while maintaining the line and
 * column information associated with the original source code.
 *
 * @param aLine The original line number.
 * @param aColumn The original column number.
 * @param aSource The original source's filename.
 * @param aChunks Optional. An array of strings which are snippets of
 *        generated JS, or other SourceNodes.
 * @param aName The original identifier.
 */
function SourceNode(aLine, aColumn, aSource, aChunks, aName) {
  this.children = [];
  this.sourceContents = {};
  this.line = aLine == null ? null : aLine;
  this.column = aColumn == null ? null : aColumn;
  this.source = aSource == null ? null : aSource;
  this.name = aName == null ? null : aName;
  this[isSourceNode] = true;
  if (aChunks != null) this.add(aChunks);
}

/**
 * Creates a SourceNode from generated code and a SourceMapConsumer.
 *
 * @param aGeneratedCode The generated code
 * @param aSourceMapConsumer The SourceMap for the generated code
 * @param aRelativePath Optional. The path that relative sources in the
 *        SourceMapConsumer should be relative to.
 */
SourceNode.fromStringWithSourceMap =
  function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer, aRelativePath) {
    // The SourceNode we want to fill with the generated code
    // and the SourceMap
    var node = new SourceNode();

    // All even indices of this array are one line of the generated code,
    // while all odd indices are the newlines between two adjacent lines
    // (since `REGEX_NEWLINE` captures its match).
    // Processed fragments are accessed by calling `shiftNextLine`.
    var remainingLines = aGeneratedCode.split(REGEX_NEWLINE);
    var remainingLinesIndex = 0;
    var shiftNextLine = function() {
      var lineContents = getNextLine();
      // The last line of a file might not have a newline.
      var newLine = getNextLine() || "";
      return lineContents + newLine;

      function getNextLine() {
        return remainingLinesIndex < remainingLines.length ?
            remainingLines[remainingLinesIndex++] : undefined;
      }
    };

    // We need to remember the position of "remainingLines"
    var lastGeneratedLine = 1, lastGeneratedColumn = 0;

    // The generate SourceNodes we need a code range.
    // To extract it current and last mapping is used.
    // Here we store the last mapping.
    var lastMapping = null;

    aSourceMapConsumer.eachMapping(function (mapping) {
      if (lastMapping !== null) {
        // We add the code from "lastMapping" to "mapping":
        // First check if there is a new line in between.
        if (lastGeneratedLine < mapping.generatedLine) {
          // Associate first line with "lastMapping"
          addMappingWithCode(lastMapping, shiftNextLine());
          lastGeneratedLine++;
          lastGeneratedColumn = 0;
          // The remaining code is added without mapping
        } else {
          // There is no new line in between.
          // Associate the code between "lastGeneratedColumn" and
          // "mapping.generatedColumn" with "lastMapping"
          var nextLine = remainingLines[remainingLinesIndex] || '';
          var code = nextLine.substr(0, mapping.generatedColumn -
                                        lastGeneratedColumn);
          remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn -
                                              lastGeneratedColumn);
          lastGeneratedColumn = mapping.generatedColumn;
          addMappingWithCode(lastMapping, code);
          // No more remaining code, continue
          lastMapping = mapping;
          return;
        }
      }
      // We add the generated code until the first mapping
      // to the SourceNode without any mapping.
      // Each line is added as separate string.
      while (lastGeneratedLine < mapping.generatedLine) {
        node.add(shiftNextLine());
        lastGeneratedLine++;
      }
      if (lastGeneratedColumn < mapping.generatedColumn) {
        var nextLine = remainingLines[remainingLinesIndex] || '';
        node.add(nextLine.substr(0, mapping.generatedColumn));
        remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn);
        lastGeneratedColumn = mapping.generatedColumn;
      }
      lastMapping = mapping;
    }, this);
    // We have processed all mappings.
    if (remainingLinesIndex < remainingLines.length) {
      if (lastMapping) {
        // Associate the remaining code in the current line with "lastMapping"
        addMappingWithCode(lastMapping, shiftNextLine());
      }
      // and add the remaining lines without any mapping
      node.add(remainingLines.splice(remainingLinesIndex).join(""));
    }

    // Copy sourcesContent into SourceNode
    aSourceMapConsumer.sources.forEach(function (sourceFile) {
      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
      if (content != null) {
        if (aRelativePath != null) {
          sourceFile = util.join(aRelativePath, sourceFile);
        }
        node.setSourceContent(sourceFile, content);
      }
    });

    return node;

    function addMappingWithCode(mapping, code) {
      if (mapping === null || mapping.source === undefined) {
        node.add(code);
      } else {
        var source = aRelativePath
          ? util.join(aRelativePath, mapping.source)
          : mapping.source;
        node.add(new SourceNode(mapping.originalLine,
                                mapping.originalColumn,
                                source,
                                code,
                                mapping.name));
      }
    }
  };

/**
 * Add a chunk of generated JS to this source node.
 *
 * @param aChunk A string snippet of generated JS code, another instance of
 *        SourceNode, or an array where each member is one of those things.
 */
SourceNode.prototype.add = function SourceNode_add(aChunk) {
  if (Array.isArray(aChunk)) {
    aChunk.forEach(function (chunk) {
      this.add(chunk);
    }, this);
  }
  else if (aChunk[isSourceNode] || typeof aChunk === "string") {
    if (aChunk) {
      this.children.push(aChunk);
    }
  }
  else {
    throw new TypeError(
      "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
    );
  }
  return this;
};

/**
 * Add a chunk of generated JS to the beginning of this source node.
 *
 * @param aChunk A string snippet of generated JS code, another instance of
 *        SourceNode, or an array where each member is one of those things.
 */
SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) {
  if (Array.isArray(aChunk)) {
    for (var i = aChunk.length-1; i >= 0; i--) {
      this.prepend(aChunk[i]);
    }
  }
  else if (aChunk[isSourceNode] || typeof aChunk === "string") {
    this.children.unshift(aChunk);
  }
  else {
    throw new TypeError(
      "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
    );
  }
  return this;
};

/**
 * Walk over the tree of JS snippets in this node and its children. The
 * walking function is called once for each snippet of JS and is passed that
 * snippet and the its original associated source's line/column location.
 *
 * @param aFn The traversal function.
 */
SourceNode.prototype.walk = function SourceNode_walk(aFn) {
  var chunk;
  for (var i = 0, len = this.children.length; i < len; i++) {
    chunk = this.children[i];
    if (chunk[isSourceNode]) {
      chunk.walk(aFn);
    }
    else {
      if (chunk !== '') {
        aFn(chunk, { source: this.source,
                     line: this.line,
                     column: this.column,
                     name: this.name });
      }
    }
  }
};

/**
 * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between
 * each of `this.children`.
 *
 * @param aSep The separator.
 */
SourceNode.prototype.join = function SourceNode_join(aSep) {
  var newChildren;
  var i;
  var len = this.children.length;
  if (len > 0) {
    newChildren = [];
    for (i = 0; i < len-1; i++) {
      newChildren.push(this.children[i]);
      newChildren.push(aSep);
    }
    newChildren.push(this.children[i]);
    this.children = newChildren;
  }
  return this;
};

/**
 * Call String.prototype.replace on the very right-most source snippet. Useful
 * for trimming whitespace from the end of a source node, etc.
 *
 * @param aPattern The pattern to replace.
 * @param aReplacement The thing to replace the pattern with.
 */
SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) {
  var lastChild = this.children[this.children.length - 1];
  if (lastChild[isSourceNode]) {
    lastChild.replaceRight(aPattern, aReplacement);
  }
  else if (typeof lastChild === 'string') {
    this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement);
  }
  else {
    this.children.push(''.replace(aPattern, aReplacement));
  }
  return this;
};

/**
 * Set the source content for a source file. This will be added to the SourceMapGenerator
 * in the sourcesContent field.
 *
 * @param aSourceFile The filename of the source file
 * @param aSourceContent The content of the source file
 */
SourceNode.prototype.setSourceContent =
  function SourceNode_setSourceContent(aSourceFile, aSourceContent) {
    this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent;
  };

/**
 * Walk over the tree of SourceNodes. The walking function is called for each
 * source file content and is passed the filename and source content.
 *
 * @param aFn The traversal function.
 */
SourceNode.prototype.walkSourceContents =
  function SourceNode_walkSourceContents(aFn) {
    for (var i = 0, len = this.children.length; i < len; i++) {
      if (this.children[i][isSourceNode]) {
        this.children[i].walkSourceContents(aFn);
      }
    }

    var sources = Object.keys(this.sourceContents);
    for (var i = 0, len = sources.length; i < len; i++) {
      aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]);
    }
  };

/**
 * Return the string representation of this source node. Walks over the tree
 * and concatenates all the various snippets together to one string.
 */
SourceNode.prototype.toString = function SourceNode_toString() {
  var str = "";
  this.walk(function (chunk) {
    str += chunk;
  });
  return str;
};

/**
 * Returns the string representation of this source node along with a source
 * map.
 */
SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) {
  var generated = {
    code: "",
    line: 1,
    column: 0
  };
  var map = new SourceMapGenerator(aArgs);
  var sourceMappingActive = false;
  var lastOriginalSource = null;
  var lastOriginalLine = null;
  var lastOriginalColumn = null;
  var lastOriginalName = null;
  this.walk(function (chunk, original) {
    generated.code += chunk;
    if (original.source !== null
        && original.line !== null
        && original.column !== null) {
      if(lastOriginalSource !== original.source
         || lastOriginalLine !== original.line
         || lastOriginalColumn !== original.column
         || lastOriginalName !== original.name) {
        map.addMapping({
          source: original.source,
          original: {
            line: original.line,
            column: original.column
          },
          generated: {
            line: generated.line,
            column: generated.column
          },
          name: original.name
        });
      }
      lastOriginalSource = original.source;
      lastOriginalLine = original.line;
      lastOriginalColumn = original.column;
      lastOriginalName = original.name;
      sourceMappingActive = true;
    } else if (sourceMappingActive) {
      map.addMapping({
        generated: {
          line: generated.line,
          column: generated.column
        }
      });
      lastOriginalSource = null;
      sourceMappingActive = false;
    }
    for (var idx = 0, length = chunk.length; idx < length; idx++) {
      if (chunk.charCodeAt(idx) === NEWLINE_CODE) {
        generated.line++;
        generated.column = 0;
        // Mappings end at eol
        if (idx + 1 === length) {
          lastOriginalSource = null;
          sourceMappingActive = false;
        } else if (sourceMappingActive) {
          map.addMapping({
            source: original.source,
            original: {
              line: original.line,
              column: original.column
            },
            generated: {
              line: generated.line,
              column: generated.column
            },
            name: original.name
          });
        }
      } else {
        generated.column++;
      }
    }
  });
  this.walkSourceContents(function (sourceFile, sourceContent) {
    map.setSourceContent(sourceFile, sourceContent);
  });

  return { code: generated.code, map: map };
};

exports.SourceNode = SourceNode;


/***/ }),
/* 86 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = warnOnce;
var printed = {};

function warnOnce(message) {
  if (printed[message]) return;
  printed[message] = true;

  if (typeof console !== 'undefined' && console.warn) {
    console.warn(message);
  }
}

module.exports = exports.default;
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/***/ }),
/* 87 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _warning = _interopRequireDefault(__webpack_require__(88));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

/**
 * Provides the result of the PostCSS transformations.
 *
 * A Result instance is returned by {@link LazyResult#then}
 * or {@link Root#toResult} methods.
 *
 * @example
 * postcss([autoprefixer]).process(css).then(result => {
 *  console.log(result.css)
 * })
 *
 * @example
 * const result2 = postcss.parse(css).toResult()
 */
var Result = /*#__PURE__*/function () {
  /**
   * @param {Processor} processor Processor used for this transformation.
   * @param {Root}      root      Root node after all transformations.
   * @param {processOptions} opts Options from the {@link Processor#process}
   *                              or {@link Root#toResult}.
   */
  function Result(processor, root, opts) {
    /**
     * The Processor instance used for this transformation.
     *
     * @type {Processor}
     *
     * @example
     * for (const plugin of result.processor.plugins) {
     *   if (plugin.postcssPlugin === 'postcss-bad') {
     *     throw 'postcss-good is incompatible with postcss-bad'
     *   }
     * })
     */
    this.processor = processor;
    /**
     * Contains messages from plugins (e.g., warnings or custom messages).
     * Each message should have type and plugin properties.
     *
     * @type {Message[]}
     *
     * @example
     * postcss.plugin('postcss-min-browser', () => {
     *   return (root, result) => {
     *     const browsers = detectMinBrowsersByCanIUse(root)
     *     result.messages.push({
     *       type: 'min-browser',
     *       plugin: 'postcss-min-browser',
     *       browsers
     *     })
     *   }
     * })
     */

    this.messages = [];
    /**
     * Root node after all transformations.
     *
     * @type {Root}
     *
     * @example
     * root.toResult().root === root
     */

    this.root = root;
    /**
     * Options from the {@link Processor#process} or {@link Root#toResult} call
     * that produced this Result instance.
     *
     * @type {processOptions}
     *
     * @example
     * root.toResult(opts).opts === opts
     */

    this.opts = opts;
    /**
     * A CSS string representing of {@link Result#root}.
     *
     * @type {string}
     *
     * @example
     * postcss.parse('a{}').toResult().css //=> "a{}"
     */

    this.css = undefined;
    /**
     * An instance of `SourceMapGenerator` class from the `source-map` library,
     * representing changes to the {@link Result#root} instance.
     *
     * @type {SourceMapGenerator}
     *
     * @example
     * result.map.toJSON() //=> { version: 3, file: 'a.css', … }
     *
     * @example
     * if (result.map) {
     *   fs.writeFileSync(result.opts.to + '.map', result.map.toString())
     * }
     */

    this.map = undefined;
  }
  /**
   * Returns for @{link Result#css} content.
   *
   * @example
   * result + '' === result.css
   *
   * @return {string} String representing of {@link Result#root}.
   */


  var _proto = Result.prototype;

  _proto.toString = function toString() {
    return this.css;
  }
  /**
   * Creates an instance of {@link Warning} and adds it
   * to {@link Result#messages}.
   *
   * @param {string} text        Warning message.
   * @param {Object} [opts]      Warning options.
   * @param {Node}   opts.node   CSS node that caused the warning.
   * @param {string} opts.word   Word in CSS source that caused the warning.
   * @param {number} opts.index  Index in CSS node string that caused
   *                             the warning.
   * @param {string} opts.plugin Name of the plugin that created
   *                             this warning. {@link Result#warn} fills
   *                             this property automatically.
   *
   * @return {Warning} Created warning.
   */
  ;

  _proto.warn = function warn(text, opts) {
    if (opts === void 0) {
      opts = {};
    }

    if (!opts.plugin) {
      if (this.lastPlugin && this.lastPlugin.postcssPlugin) {
        opts.plugin = this.lastPlugin.postcssPlugin;
      }
    }

    var warning = new _warning.default(text, opts);
    this.messages.push(warning);
    return warning;
  }
  /**
     * Returns warnings from plugins. Filters {@link Warning} instances
     * from {@link Result#messages}.
     *
     * @example
     * result.warnings().forEach(warn => {
     *   console.warn(warn.toString())
     * })
     *
     * @return {Warning[]} Warnings from plugins.
     */
  ;

  _proto.warnings = function warnings() {
    return this.messages.filter(function (i) {
      return i.type === 'warning';
    });
  }
  /**
   * An alias for the {@link Result#css} property.
   * Use it with syntaxes that generate non-CSS output.
   *
   * @type {string}
   *
   * @example
   * result.css === result.content
   */
  ;

  _createClass(Result, [{
    key: "content",
    get: function get() {
      return this.css;
    }
  }]);

  return Result;
}();

var _default = Result;
/**
 * @typedef  {object} Message
 * @property {string} type   Message type.
 * @property {string} plugin Source PostCSS plugin name.
 */

exports.default = _default;
module.exports = exports.default;
//# sourceMappingURL=data:application/json;charset=utf8;base64,{"version":3,"sources":["result.es6"],"names":["Result","processor","root","opts","messages","css","undefined","map","toString","warn","text","plugin","lastPlugin","postcssPlugin","warning","Warning","push","warnings","filter","i","type"],"mappings":";;;;;AAAA;;;;;;;;AAEA;;;;;;;;;;;;;;IAcMA,M;AACJ;;;;;;AAMA,kBAAaC,SAAb,EAAwBC,IAAxB,EAA8BC,IAA9B,EAAoC;AAClC;;;;;;;;;;;;AAYA,SAAKF,SAAL,GAAiBA,SAAjB;AACA;;;;;;;;;;;;;;;;;;;AAkBA,SAAKG,QAAL,GAAgB,EAAhB;AACA;;;;;;;;;AAQA,SAAKF,IAAL,GAAYA,IAAZ;AACA;;;;;;;;;;AASA,SAAKC,IAAL,GAAYA,IAAZ;AACA;;;;;;;;;AAQA,SAAKE,GAAL,GAAWC,SAAX;AACA;;;;;;;;;;;;;;;AAcA,SAAKC,GAAL,GAAWD,SAAX;AACD;AAED;;;;;;;;;;;;SAQAE,Q,GAAA,oBAAY;AACV,WAAO,KAAKH,GAAZ;AACD;AAED;;;;;;;;;;;;;;;;;;SAgBAI,I,GAAA,cAAMC,IAAN,EAAYP,IAAZ,EAAwB;AAAA,QAAZA,IAAY;AAAZA,MAAAA,IAAY,GAAL,EAAK;AAAA;;AACtB,QAAI,CAACA,IAAI,CAACQ,MAAV,EAAkB;AAChB,UAAI,KAAKC,UAAL,IAAmB,KAAKA,UAAL,CAAgBC,aAAvC,EAAsD;AACpDV,QAAAA,IAAI,CAACQ,MAAL,GAAc,KAAKC,UAAL,CAAgBC,aAA9B;AACD;AACF;;AAED,QAAIC,OAAO,GAAG,IAAIC,gBAAJ,CAAYL,IAAZ,EAAkBP,IAAlB,CAAd;AACA,SAAKC,QAAL,CAAcY,IAAd,CAAmBF,OAAnB;AAEA,WAAOA,OAAP;AACD;AAED;;;;;;;;;;;;;SAWAG,Q,GAAA,oBAAY;AACV,WAAO,KAAKb,QAAL,CAAcc,MAAd,CAAqB,UAAAC,CAAC;AAAA,aAAIA,CAAC,CAACC,IAAF,KAAW,SAAf;AAAA,KAAtB,CAAP;AACD;AAED;;;;;;;;;;;;;wBASe;AACb,aAAO,KAAKf,GAAZ;AACD;;;;;;eAGYL,M;AAEf","sourcesContent":["import Warning from './warning'\n\n/**\n * Provides the result of the PostCSS transformations.\n *\n * A Result instance is returned by {@link LazyResult#then}\n * or {@link Root#toResult} methods.\n *\n * @example\n * postcss([autoprefixer]).process(css).then(result => {\n *  console.log(result.css)\n * })\n *\n * @example\n * const result2 = postcss.parse(css).toResult()\n */\nclass Result {\n  /**\n   * @param {Processor} processor Processor used for this transformation.\n   * @param {Root}      root      Root node after all transformations.\n   * @param {processOptions} opts Options from the {@link Processor#process}\n   *                              or {@link Root#toResult}.\n   */\n  constructor (processor, root, opts) {\n    /**\n     * The Processor instance used for this transformation.\n     *\n     * @type {Processor}\n     *\n     * @example\n     * for (const plugin of result.processor.plugins) {\n     *   if (plugin.postcssPlugin === 'postcss-bad') {\n     *     throw 'postcss-good is incompatible with postcss-bad'\n     *   }\n     * })\n     */\n    this.processor = processor\n    /**\n     * Contains messages from plugins (e.g., warnings or custom messages).\n     * Each message should have type and plugin properties.\n     *\n     * @type {Message[]}\n     *\n     * @example\n     * postcss.plugin('postcss-min-browser', () => {\n     *   return (root, result) => {\n     *     const browsers = detectMinBrowsersByCanIUse(root)\n     *     result.messages.push({\n     *       type: 'min-browser',\n     *       plugin: 'postcss-min-browser',\n     *       browsers\n     *     })\n     *   }\n     * })\n     */\n    this.messages = []\n    /**\n     * Root node after all transformations.\n     *\n     * @type {Root}\n     *\n     * @example\n     * root.toResult().root === root\n     */\n    this.root = root\n    /**\n     * Options from the {@link Processor#process} or {@link Root#toResult} call\n     * that produced this Result instance.\n     *\n     * @type {processOptions}\n     *\n     * @example\n     * root.toResult(opts).opts === opts\n     */\n    this.opts = opts\n    /**\n     * A CSS string representing of {@link Result#root}.\n     *\n     * @type {string}\n     *\n     * @example\n     * postcss.parse('a{}').toResult().css //=> \"a{}\"\n     */\n    this.css = undefined\n    /**\n     * An instance of `SourceMapGenerator` class from the `source-map` library,\n     * representing changes to the {@link Result#root} instance.\n     *\n     * @type {SourceMapGenerator}\n     *\n     * @example\n     * result.map.toJSON() //=> { version: 3, file: 'a.css', … }\n     *\n     * @example\n     * if (result.map) {\n     *   fs.writeFileSync(result.opts.to + '.map', result.map.toString())\n     * }\n     */\n    this.map = undefined\n  }\n\n  /**\n   * Returns for @{link Result#css} content.\n   *\n   * @example\n   * result + '' === result.css\n   *\n   * @return {string} String representing of {@link Result#root}.\n   */\n  toString () {\n    return this.css\n  }\n\n  /**\n   * Creates an instance of {@link Warning} and adds it\n   * to {@link Result#messages}.\n   *\n   * @param {string} text        Warning message.\n   * @param {Object} [opts]      Warning options.\n   * @param {Node}   opts.node   CSS node that caused the warning.\n   * @param {string} opts.word   Word in CSS source that caused the warning.\n   * @param {number} opts.index  Index in CSS node string that caused\n   *                             the warning.\n   * @param {string} opts.plugin Name of the plugin that created\n   *                             this warning. {@link Result#warn} fills\n   *                             this property automatically.\n   *\n   * @return {Warning} Created warning.\n   */\n  warn (text, opts = { }) {\n    if (!opts.plugin) {\n      if (this.lastPlugin && this.lastPlugin.postcssPlugin) {\n        opts.plugin = this.lastPlugin.postcssPlugin\n      }\n    }\n\n    let warning = new Warning(text, opts)\n    this.messages.push(warning)\n\n    return warning\n  }\n\n  /**\n     * Returns warnings from plugins. Filters {@link Warning} instances\n     * from {@link Result#messages}.\n     *\n     * @example\n     * result.warnings().forEach(warn => {\n     *   console.warn(warn.toString())\n     * })\n     *\n     * @return {Warning[]} Warnings from plugins.\n     */\n  warnings () {\n    return this.messages.filter(i => i.type === 'warning')\n  }\n\n  /**\n   * An alias for the {@link Result#css} property.\n   * Use it with syntaxes that generate non-CSS output.\n   *\n   * @type {string}\n   *\n   * @example\n   * result.css === result.content\n   */\n  get content () {\n    return this.css\n  }\n}\n\nexport default Result\n\n/**\n * @typedef  {object} Message\n * @property {string} type   Message type.\n * @property {string} plugin Source PostCSS plugin name.\n */\n"],"file":"result.js"}


/***/ }),
/* 88 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

/**
 * Represents a plugin’s warning. It can be created using {@link Node#warn}.
 *
 * @example
 * if (decl.important) {
 *   decl.warn(result, 'Avoid !important', { word: '!important' })
 * }
 */
var Warning = /*#__PURE__*/function () {
  /**
   * @param {string} text        Warning message.
   * @param {Object} [opts]      Warning options.
   * @param {Node}   opts.node   CSS node that caused the warning.
   * @param {string} opts.word   Word in CSS source that caused the warning.
   * @param {number} opts.index  Index in CSS node string that caused
   *                             the warning.
   * @param {string} opts.plugin Name of the plugin that created
   *                             this warning. {@link Result#warn} fills
   *                             this property automatically.
   */
  function Warning(text, opts) {
    if (opts === void 0) {
      opts = {};
    }

    /**
     * Type to filter warnings from {@link Result#messages}.
     * Always equal to `"warning"`.
     *
     * @type {string}
     *
     * @example
     * const nonWarning = result.messages.filter(i => i.type !== 'warning')
     */
    this.type = 'warning';
    /**
     * The warning message.
     *
     * @type {string}
     *
     * @example
     * warning.text //=> 'Try to avoid !important'
     */

    this.text = text;

    if (opts.node && opts.node.source) {
      var pos = opts.node.positionBy(opts);
      /**
       * Line in the input file with this warning’s source.
       * @type {number}
       *
       * @example
       * warning.line //=> 5
       */

      this.line = pos.line;
      /**
       * Column in the input file with this warning’s source.
       *
       * @type {number}
       *
       * @example
       * warning.column //=> 6
       */

      this.column = pos.column;
    }

    for (var opt in opts) {
      this[opt] = opts[opt];
    }
  }
  /**
   * Returns a warning position and message.
   *
   * @example
   * warning.toString() //=> 'postcss-lint:a.css:10:14: Avoid !important'
   *
   * @return {string} Warning position and message.
   */


  var _proto = Warning.prototype;

  _proto.toString = function toString() {
    if (this.node) {
      return this.node.error(this.text, {
        plugin: this.plugin,
        index: this.index,
        word: this.word
      }).message;
    }

    if (this.plugin) {
      return this.plugin + ': ' + this.text;
    }

    return this.text;
  }
  /**
   * @memberof Warning#
   * @member {string} plugin The name of the plugin that created
   *                         it will fill this property automatically.
   *                         this warning. When you call {@link Node#warn}
   *
   * @example
   * warning.plugin //=> 'postcss-important'
   */

  /**
   * @memberof Warning#
   * @member {Node} node Contains the CSS node that caused the warning.
   *
   * @example
   * warning.node.toString() //=> 'color: white !important'
   */
  ;

  return Warning;
}();

var _default = Warning;
exports.default = _default;
module.exports = exports.default;
//# 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


/***/ }),
/* 89 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _declaration = _interopRequireDefault(__webpack_require__(15));

var _tokenize = _interopRequireDefault(__webpack_require__(90));

var _comment = _interopRequireDefault(__webpack_require__(19));

var _atRule = _interopRequireDefault(__webpack_require__(20));

var _root = _interopRequireDefault(__webpack_require__(44));

var _rule = _interopRequireDefault(__webpack_require__(22));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var Parser = /*#__PURE__*/function () {
  function Parser(input) {
    this.input = input;
    this.root = new _root.default();
    this.current = this.root;
    this.spaces = '';
    this.semicolon = false;
    this.createTokenizer();
    this.root.source = {
      input: input,
      start: {
        line: 1,
        column: 1
      }
    };
  }

  var _proto = Parser.prototype;

  _proto.createTokenizer = function createTokenizer() {
    this.tokenizer = (0, _tokenize.default)(this.input);
  };

  _proto.parse = function parse() {
    var token;

    while (!this.tokenizer.endOfFile()) {
      token = this.tokenizer.nextToken();

      switch (token[0]) {
        case 'space':
          this.spaces += token[1];
          break;

        case ';':
          this.freeSemicolon(token);
          break;

        case '}':
          this.end(token);
          break;

        case 'comment':
          this.comment(token);
          break;

        case 'at-word':
          this.atrule(token);
          break;

        case '{':
          this.emptyRule(token);
          break;

        default:
          this.other(token);
          break;
      }
    }

    this.endFile();
  };

  _proto.comment = function comment(token) {
    var node = new _comment.default();
    this.init(node, token[2], token[3]);
    node.source.end = {
      line: token[4],
      column: token[5]
    };
    var text = token[1].slice(2, -2);

    if (/^\s*$/.test(text)) {
      node.text = '';
      node.raws.left = text;
      node.raws.right = '';
    } else {
      var match = text.match(/^(\s*)([^]*[^\s])(\s*)$/);
      node.text = match[2];
      node.raws.left = match[1];
      node.raws.right = match[3];
    }
  };

  _proto.emptyRule = function emptyRule(token) {
    var node = new _rule.default();
    this.init(node, token[2], token[3]);
    node.selector = '';
    node.raws.between = '';
    this.current = node;
  };

  _proto.other = function other(start) {
    var end = false;
    var type = null;
    var colon = false;
    var bracket = null;
    var brackets = [];
    var tokens = [];
    var token = start;

    while (token) {
      type = token[0];
      tokens.push(token);

      if (type === '(' || type === '[') {
        if (!bracket) bracket = token;
        brackets.push(type === '(' ? ')' : ']');
      } else if (brackets.length === 0) {
        if (type === ';') {
          if (colon) {
            this.decl(tokens);
            return;
          } else {
            break;
          }
        } else if (type === '{') {
          this.rule(tokens);
          return;
        } else if (type === '}') {
          this.tokenizer.back(tokens.pop());
          end = true;
          break;
        } else if (type === ':') {
          colon = true;
        }
      } else if (type === brackets[brackets.length - 1]) {
        brackets.pop();
        if (brackets.length === 0) bracket = null;
      }

      token = this.tokenizer.nextToken();
    }

    if (this.tokenizer.endOfFile()) end = true;
    if (brackets.length > 0) this.unclosedBracket(bracket);

    if (end && colon) {
      while (tokens.length) {
        token = tokens[tokens.length - 1][0];
        if (token !== 'space' && token !== 'comment') break;
        this.tokenizer.back(tokens.pop());
      }

      this.decl(tokens);
    } else {
      this.unknownWord(tokens);
    }
  };

  _proto.rule = function rule(tokens) {
    tokens.pop();
    var node = new _rule.default();
    this.init(node, tokens[0][2], tokens[0][3]);
    node.raws.between = this.spacesAndCommentsFromEnd(tokens);
    this.raw(node, 'selector', tokens);
    this.current = node;
  };

  _proto.decl = function decl(tokens) {
    var node = new _declaration.default();
    this.init(node);
    var last = tokens[tokens.length - 1];

    if (last[0] === ';') {
      this.semicolon = true;
      tokens.pop();
    }

    if (last[4]) {
      node.source.end = {
        line: last[4],
        column: last[5]
      };
    } else {
      node.source.end = {
        line: last[2],
        column: last[3]
      };
    }

    while (tokens[0][0] !== 'word') {
      if (tokens.length === 1) this.unknownWord(tokens);
      node.raws.before += tokens.shift()[1];
    }

    node.source.start = {
      line: tokens[0][2],
      column: tokens[0][3]
    };
    node.prop = '';

    while (tokens.length) {
      var type = tokens[0][0];

      if (type === ':' || type === 'space' || type === 'comment') {
        break;
      }

      node.prop += tokens.shift()[1];
    }

    node.raws.between = '';
    var token;

    while (tokens.length) {
      token = tokens.shift();

      if (token[0] === ':') {
        node.raws.between += token[1];
        break;
      } else {
        if (token[0] === 'word' && /\w/.test(token[1])) {
          this.unknownWord([token]);
        }

        node.raws.between += token[1];
      }
    }

    if (node.prop[0] === '_' || node.prop[0] === '*') {
      node.raws.before += node.prop[0];
      node.prop = node.prop.slice(1);
    }

    node.raws.between += this.spacesAndCommentsFromStart(tokens);
    this.precheckMissedSemicolon(tokens);

    for (var i = tokens.length - 1; i > 0; i--) {
      token = tokens[i];

      if (token[1].toLowerCase() === '!important') {
        node.important = true;
        var string = this.stringFrom(tokens, i);
        string = this.spacesFromEnd(tokens) + string;
        if (string !== ' !important') node.raws.important = string;
        break;
      } else if (token[1].toLowerCase() === 'important') {
        var cache = tokens.slice(0);
        var str = '';

        for (var j = i; j > 0; j--) {
          var _type = cache[j][0];

          if (str.trim().indexOf('!') === 0 && _type !== 'space') {
            break;
          }

          str = cache.pop()[1] + str;
        }

        if (str.trim().indexOf('!') === 0) {
          node.important = true;
          node.raws.important = str;
          tokens = cache;
        }
      }

      if (token[0] !== 'space' && token[0] !== 'comment') {
        break;
      }
    }

    this.raw(node, 'value', tokens);
    if (node.value.indexOf(':') !== -1) this.checkMissedSemicolon(tokens);
  };

  _proto.atrule = function atrule(token) {
    var node = new _atRule.default();
    node.name = token[1].slice(1);

    if (node.name === '') {
      this.unnamedAtrule(node, token);
    }

    this.init(node, token[2], token[3]);
    var prev;
    var shift;
    var last = false;
    var open = false;
    var params = [];

    while (!this.tokenizer.endOfFile()) {
      token = this.tokenizer.nextToken();

      if (token[0] === ';') {
        node.source.end = {
          line: token[2],
          column: token[3]
        };
        this.semicolon = true;
        break;
      } else if (token[0] === '{') {
        open = true;
        break;
      } else if (token[0] === '}') {
        if (params.length > 0) {
          shift = params.length - 1;
          prev = params[shift];

          while (prev && prev[0] === 'space') {
            prev = params[--shift];
          }

          if (prev) {
            node.source.end = {
              line: prev[4],
              column: prev[5]
            };
          }
        }

        this.end(token);
        break;
      } else {
        params.push(token);
      }

      if (this.tokenizer.endOfFile()) {
        last = true;
        break;
      }
    }

    node.raws.between = this.spacesAndCommentsFromEnd(params);

    if (params.length) {
      node.raws.afterName = this.spacesAndCommentsFromStart(params);
      this.raw(node, 'params', params);

      if (last) {
        token = params[params.length - 1];
        node.source.end = {
          line: token[4],
          column: token[5]
        };
        this.spaces = node.raws.between;
        node.raws.between = '';
      }
    } else {
      node.raws.afterName = '';
      node.params = '';
    }

    if (open) {
      node.nodes = [];
      this.current = node;
    }
  };

  _proto.end = function end(token) {
    if (this.current.nodes && this.current.nodes.length) {
      this.current.raws.semicolon = this.semicolon;
    }

    this.semicolon = false;
    this.current.raws.after = (this.current.raws.after || '') + this.spaces;
    this.spaces = '';

    if (this.current.parent) {
      this.current.source.end = {
        line: token[2],
        column: token[3]
      };
      this.current = this.current.parent;
    } else {
      this.unexpectedClose(token);
    }
  };

  _proto.endFile = function endFile() {
    if (this.current.parent) this.unclosedBlock();

    if (this.current.nodes && this.current.nodes.length) {
      this.current.raws.semicolon = this.semicolon;
    }

    this.current.raws.after = (this.current.raws.after || '') + this.spaces;
  };

  _proto.freeSemicolon = function freeSemicolon(token) {
    this.spaces += token[1];

    if (this.current.nodes) {
      var prev = this.current.nodes[this.current.nodes.length - 1];

      if (prev && prev.type === 'rule' && !prev.raws.ownSemicolon) {
        prev.raws.ownSemicolon = this.spaces;
        this.spaces = '';
      }
    }
  } // Helpers
  ;

  _proto.init = function init(node, line, column) {
    this.current.push(node);
    node.source = {
      start: {
        line: line,
        column: column
      },
      input: this.input
    };
    node.raws.before = this.spaces;
    this.spaces = '';
    if (node.type !== 'comment') this.semicolon = false;
  };

  _proto.raw = function raw(node, prop, tokens) {
    var token, type;
    var length = tokens.length;
    var value = '';
    var clean = true;
    var next, prev;
    var pattern = /^([.|#])?([\w])+/i;

    for (var i = 0; i < length; i += 1) {
      token = tokens[i];
      type = token[0];

      if (type === 'comment' && node.type === 'rule') {
        prev = tokens[i - 1];
        next = tokens[i + 1];

        if (prev[0] !== 'space' && next[0] !== 'space' && pattern.test(prev[1]) && pattern.test(next[1])) {
          value += token[1];
        } else {
          clean = false;
        }

        continue;
      }

      if (type === 'comment' || type === 'space' && i === length - 1) {
        clean = false;
      } else {
        value += token[1];
      }
    }

    if (!clean) {
      var raw = tokens.reduce(function (all, i) {
        return all + i[1];
      }, '');
      node.raws[prop] = {
        value: value,
        raw: raw
      };
    }

    node[prop] = value;
  };

  _proto.spacesAndCommentsFromEnd = function spacesAndCommentsFromEnd(tokens) {
    var lastTokenType;
    var spaces = '';

    while (tokens.length) {
      lastTokenType = tokens[tokens.length - 1][0];
      if (lastTokenType !== 'space' && lastTokenType !== 'comment') break;
      spaces = tokens.pop()[1] + spaces;
    }

    return spaces;
  };

  _proto.spacesAndCommentsFromStart = function spacesAndCommentsFromStart(tokens) {
    var next;
    var spaces = '';

    while (tokens.length) {
      next = tokens[0][0];
      if (next !== 'space' && next !== 'comment') break;
      spaces += tokens.shift()[1];
    }

    return spaces;
  };

  _proto.spacesFromEnd = function spacesFromEnd(tokens) {
    var lastTokenType;
    var spaces = '';

    while (tokens.length) {
      lastTokenType = tokens[tokens.length - 1][0];
      if (lastTokenType !== 'space') break;
      spaces = tokens.pop()[1] + spaces;
    }

    return spaces;
  };

  _proto.stringFrom = function stringFrom(tokens, from) {
    var result = '';

    for (var i = from; i < tokens.length; i++) {
      result += tokens[i][1];
    }

    tokens.splice(from, tokens.length - from);
    return result;
  };

  _proto.colon = function colon(tokens) {
    var brackets = 0;
    var token, type, prev;

    for (var i = 0; i < tokens.length; i++) {
      token = tokens[i];
      type = token[0];

      if (type === '(') {
        brackets += 1;
      }

      if (type === ')') {
        brackets -= 1;
      }

      if (brackets === 0 && type === ':') {
        if (!prev) {
          this.doubleColon(token);
        } else if (prev[0] === 'word' && prev[1] === 'progid') {
          continue;
        } else {
          return i;
        }
      }

      prev = token;
    }

    return false;
  } // Errors
  ;

  _proto.unclosedBracket = function unclosedBracket(bracket) {
    throw this.input.error('Unclosed bracket', bracket[2], bracket[3]);
  };

  _proto.unknownWord = function unknownWord(tokens) {
    throw this.input.error('Unknown word', tokens[0][2], tokens[0][3]);
  };

  _proto.unexpectedClose = function unexpectedClose(token) {
    throw this.input.error('Unexpected }', token[2], token[3]);
  };

  _proto.unclosedBlock = function unclosedBlock() {
    var pos = this.current.source.start;
    throw this.input.error('Unclosed block', pos.line, pos.column);
  };

  _proto.doubleColon = function doubleColon(token) {
    throw this.input.error('Double colon', token[2], token[3]);
  };

  _proto.unnamedAtrule = function unnamedAtrule(node, token) {
    throw this.input.error('At-rule without name', token[2], token[3]);
  };

  _proto.precheckMissedSemicolon = function precheckMissedSemicolon()
  /* tokens */
  {// Hook for Safe Parser
  };

  _proto.checkMissedSemicolon = function checkMissedSemicolon(tokens) {
    var colon = this.colon(tokens);
    if (colon === false) return;
    var founded = 0;
    var token;

    for (var j = colon - 1; j >= 0; j--) {
      token = tokens[j];

      if (token[0] !== 'space') {
        founded += 1;
        if (founded === 2) break;
      }
    }

    throw this.input.error('Missed semicolon', token[2], token[3]);
  };

  return Parser;
}();

exports.default = Parser;
module.exports = exports.default;
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Declaration from './declaration'\nimport tokenizer from './tokenize'\nimport Comment from './comment'\nimport AtRule from './at-rule'\nimport Root from './root'\nimport Rule from './rule'\n\nexport default class Parser {\n  constructor (input) {\n    this.input = input\n\n    this.root = new Root()\n    this.current = this.root\n    this.spaces = ''\n    this.semicolon = false\n\n    this.createTokenizer()\n    this.root.source = { input, start: { line: 1, column: 1 } }\n  }\n\n  createTokenizer () {\n    this.tokenizer = tokenizer(this.input)\n  }\n\n  parse () {\n    let token\n    while (!this.tokenizer.endOfFile()) {\n      token = this.tokenizer.nextToken()\n\n      switch (token[0]) {\n        case 'space':\n          this.spaces += token[1]\n          break\n\n        case ';':\n          this.freeSemicolon(token)\n          break\n\n        case '}':\n          this.end(token)\n          break\n\n        case 'comment':\n          this.comment(token)\n          break\n\n        case 'at-word':\n          this.atrule(token)\n          break\n\n        case '{':\n          this.emptyRule(token)\n          break\n\n        default:\n          this.other(token)\n          break\n      }\n    }\n    this.endFile()\n  }\n\n  comment (token) {\n    let node = new Comment()\n    this.init(node, token[2], token[3])\n    node.source.end = { line: token[4], column: token[5] }\n\n    let text = token[1].slice(2, -2)\n    if (/^\\s*$/.test(text)) {\n      node.text = ''\n      node.raws.left = text\n      node.raws.right = ''\n    } else {\n      let match = text.match(/^(\\s*)([^]*[^\\s])(\\s*)$/)\n      node.text = match[2]\n      node.raws.left = match[1]\n      node.raws.right = match[3]\n    }\n  }\n\n  emptyRule (token) {\n    let node = new Rule()\n    this.init(node, token[2], token[3])\n    node.selector = ''\n    node.raws.between = ''\n    this.current = node\n  }\n\n  other (start) {\n    let end = false\n    let type = null\n    let colon = false\n    let bracket = null\n    let brackets = []\n\n    let tokens = []\n    let token = start\n    while (token) {\n      type = token[0]\n      tokens.push(token)\n\n      if (type === '(' || type === '[') {\n        if (!bracket) bracket = token\n        brackets.push(type === '(' ? ')' : ']')\n      } else if (brackets.length === 0) {\n        if (type === ';') {\n          if (colon) {\n            this.decl(tokens)\n            return\n          } else {\n            break\n          }\n        } else if (type === '{') {\n          this.rule(tokens)\n          return\n        } else if (type === '}') {\n          this.tokenizer.back(tokens.pop())\n          end = true\n          break\n        } else if (type === ':') {\n          colon = true\n        }\n      } else if (type === brackets[brackets.length - 1]) {\n        brackets.pop()\n        if (brackets.length === 0) bracket = null\n      }\n\n      token = this.tokenizer.nextToken()\n    }\n\n    if (this.tokenizer.endOfFile()) end = true\n    if (brackets.length > 0) this.unclosedBracket(bracket)\n\n    if (end && colon) {\n      while (tokens.length) {\n        token = tokens[tokens.length - 1][0]\n        if (token !== 'space' && token !== 'comment') break\n        this.tokenizer.back(tokens.pop())\n      }\n      this.decl(tokens)\n    } else {\n      this.unknownWord(tokens)\n    }\n  }\n\n  rule (tokens) {\n    tokens.pop()\n\n    let node = new Rule()\n    this.init(node, tokens[0][2], tokens[0][3])\n\n    node.raws.between = this.spacesAndCommentsFromEnd(tokens)\n    this.raw(node, 'selector', tokens)\n    this.current = node\n  }\n\n  decl (tokens) {\n    let node = new Declaration()\n    this.init(node)\n\n    let last = tokens[tokens.length - 1]\n    if (last[0] === ';') {\n      this.semicolon = true\n      tokens.pop()\n    }\n    if (last[4]) {\n      node.source.end = { line: last[4], column: last[5] }\n    } else {\n      node.source.end = { line: last[2], column: last[3] }\n    }\n\n    while (tokens[0][0] !== 'word') {\n      if (tokens.length === 1) this.unknownWord(tokens)\n      node.raws.before += tokens.shift()[1]\n    }\n    node.source.start = { line: tokens[0][2], column: tokens[0][3] }\n\n    node.prop = ''\n    while (tokens.length) {\n      let type = tokens[0][0]\n      if (type === ':' || type === 'space' || type === 'comment') {\n        break\n      }\n      node.prop += tokens.shift()[1]\n    }\n\n    node.raws.between = ''\n\n    let token\n    while (tokens.length) {\n      token = tokens.shift()\n\n      if (token[0] === ':') {\n        node.raws.between += token[1]\n        break\n      } else {\n        if (token[0] === 'word' && /\\w/.test(token[1])) {\n          this.unknownWord([token])\n        }\n        node.raws.between += token[1]\n      }\n    }\n\n    if (node.prop[0] === '_' || node.prop[0] === '*') {\n      node.raws.before += node.prop[0]\n      node.prop = node.prop.slice(1)\n    }\n    node.raws.between += this.spacesAndCommentsFromStart(tokens)\n    this.precheckMissedSemicolon(tokens)\n\n    for (let i = tokens.length - 1; i > 0; i--) {\n      token = tokens[i]\n      if (token[1].toLowerCase() === '!important') {\n        node.important = true\n        let string = this.stringFrom(tokens, i)\n        string = this.spacesFromEnd(tokens) + string\n        if (string !== ' !important') node.raws.important = string\n        break\n      } else if (token[1].toLowerCase() === 'important') {\n        let cache = tokens.slice(0)\n        let str = ''\n        for (let j = i; j > 0; j--) {\n          let type = cache[j][0]\n          if (str.trim().indexOf('!') === 0 && type !== 'space') {\n            break\n          }\n          str = cache.pop()[1] + str\n        }\n        if (str.trim().indexOf('!') === 0) {\n          node.important = true\n          node.raws.important = str\n          tokens = cache\n        }\n      }\n\n      if (token[0] !== 'space' && token[0] !== 'comment') {\n        break\n      }\n    }\n\n    this.raw(node, 'value', tokens)\n\n    if (node.value.indexOf(':') !== -1) this.checkMissedSemicolon(tokens)\n  }\n\n  atrule (token) {\n    let node = new AtRule()\n    node.name = token[1].slice(1)\n    if (node.name === '') {\n      this.unnamedAtrule(node, token)\n    }\n    this.init(node, token[2], token[3])\n\n    let prev\n    let shift\n    let last = false\n    let open = false\n    let params = []\n\n    while (!this.tokenizer.endOfFile()) {\n      token = this.tokenizer.nextToken()\n\n      if (token[0] === ';') {\n        node.source.end = { line: token[2], column: token[3] }\n        this.semicolon = true\n        break\n      } else if (token[0] === '{') {\n        open = true\n        break\n      } else if (token[0] === '}') {\n        if (params.length > 0) {\n          shift = params.length - 1\n          prev = params[shift]\n          while (prev && prev[0] === 'space') {\n            prev = params[--shift]\n          }\n          if (prev) {\n            node.source.end = { line: prev[4], column: prev[5] }\n          }\n        }\n        this.end(token)\n        break\n      } else {\n        params.push(token)\n      }\n\n      if (this.tokenizer.endOfFile()) {\n        last = true\n        break\n      }\n    }\n\n    node.raws.between = this.spacesAndCommentsFromEnd(params)\n    if (params.length) {\n      node.raws.afterName = this.spacesAndCommentsFromStart(params)\n      this.raw(node, 'params', params)\n      if (last) {\n        token = params[params.length - 1]\n        node.source.end = { line: token[4], column: token[5] }\n        this.spaces = node.raws.between\n        node.raws.between = ''\n      }\n    } else {\n      node.raws.afterName = ''\n      node.params = ''\n    }\n\n    if (open) {\n      node.nodes = []\n      this.current = node\n    }\n  }\n\n  end (token) {\n    if (this.current.nodes && this.current.nodes.length) {\n      this.current.raws.semicolon = this.semicolon\n    }\n    this.semicolon = false\n\n    this.current.raws.after = (this.current.raws.after || '') + this.spaces\n    this.spaces = ''\n\n    if (this.current.parent) {\n      this.current.source.end = { line: token[2], column: token[3] }\n      this.current = this.current.parent\n    } else {\n      this.unexpectedClose(token)\n    }\n  }\n\n  endFile () {\n    if (this.current.parent) this.unclosedBlock()\n    if (this.current.nodes && this.current.nodes.length) {\n      this.current.raws.semicolon = this.semicolon\n    }\n    this.current.raws.after = (this.current.raws.after || '') + this.spaces\n  }\n\n  freeSemicolon (token) {\n    this.spaces += token[1]\n    if (this.current.nodes) {\n      let prev = this.current.nodes[this.current.nodes.length - 1]\n      if (prev && prev.type === 'rule' && !prev.raws.ownSemicolon) {\n        prev.raws.ownSemicolon = this.spaces\n        this.spaces = ''\n      }\n    }\n  }\n\n  // Helpers\n\n  init (node, line, column) {\n    this.current.push(node)\n\n    node.source = { start: { line, column }, input: this.input }\n    node.raws.before = this.spaces\n    this.spaces = ''\n    if (node.type !== 'comment') this.semicolon = false\n  }\n\n  raw (node, prop, tokens) {\n    let token, type\n    let length = tokens.length\n    let value = ''\n    let clean = true\n    let next, prev\n    let pattern = /^([.|#])?([\\w])+/i\n\n    for (let i = 0; i < length; i += 1) {\n      token = tokens[i]\n      type = token[0]\n\n      if (type === 'comment' && node.type === 'rule') {\n        prev = tokens[i - 1]\n        next = tokens[i + 1]\n\n        if (\n          prev[0] !== 'space' &&\n          next[0] !== 'space' &&\n          pattern.test(prev[1]) &&\n          pattern.test(next[1])\n        ) {\n          value += token[1]\n        } else {\n          clean = false\n        }\n\n        continue\n      }\n\n      if (type === 'comment' || (type === 'space' && i === length - 1)) {\n        clean = false\n      } else {\n        value += token[1]\n      }\n    }\n    if (!clean) {\n      let raw = tokens.reduce((all, i) => all + i[1], '')\n      node.raws[prop] = { value, raw }\n    }\n    node[prop] = value\n  }\n\n  spacesAndCommentsFromEnd (tokens) {\n    let lastTokenType\n    let spaces = ''\n    while (tokens.length) {\n      lastTokenType = tokens[tokens.length - 1][0]\n      if (lastTokenType !== 'space' && lastTokenType !== 'comment') break\n      spaces = tokens.pop()[1] + spaces\n    }\n    return spaces\n  }\n\n  spacesAndCommentsFromStart (tokens) {\n    let next\n    let spaces = ''\n    while (tokens.length) {\n      next = tokens[0][0]\n      if (next !== 'space' && next !== 'comment') break\n      spaces += tokens.shift()[1]\n    }\n    return spaces\n  }\n\n  spacesFromEnd (tokens) {\n    let lastTokenType\n    let spaces = ''\n    while (tokens.length) {\n      lastTokenType = tokens[tokens.length - 1][0]\n      if (lastTokenType !== 'space') break\n      spaces = tokens.pop()[1] + spaces\n    }\n    return spaces\n  }\n\n  stringFrom (tokens, from) {\n    let result = ''\n    for (let i = from; i < tokens.length; i++) {\n      result += tokens[i][1]\n    }\n    tokens.splice(from, tokens.length - from)\n    return result\n  }\n\n  colon (tokens) {\n    let brackets = 0\n    let token, type, prev\n    for (let i = 0; i < tokens.length; i++) {\n      token = tokens[i]\n      type = token[0]\n\n      if (type === '(') {\n        brackets += 1\n      }\n      if (type === ')') {\n        brackets -= 1\n      }\n      if (brackets === 0 && type === ':') {\n        if (!prev) {\n          this.doubleColon(token)\n        } else if (prev[0] === 'word' && prev[1] === 'progid') {\n          continue\n        } else {\n          return i\n        }\n      }\n\n      prev = token\n    }\n    return false\n  }\n\n  // Errors\n\n  unclosedBracket (bracket) {\n    throw this.input.error('Unclosed bracket', bracket[2], bracket[3])\n  }\n\n  unknownWord (tokens) {\n    throw this.input.error('Unknown word', tokens[0][2], tokens[0][3])\n  }\n\n  unexpectedClose (token) {\n    throw this.input.error('Unexpected }', token[2], token[3])\n  }\n\n  unclosedBlock () {\n    let pos = this.current.source.start\n    throw this.input.error('Unclosed block', pos.line, pos.column)\n  }\n\n  doubleColon (token) {\n    throw this.input.error('Double colon', token[2], token[3])\n  }\n\n  unnamedAtrule (node, token) {\n    throw this.input.error('At-rule without name', token[2], token[3])\n  }\n\n  precheckMissedSemicolon (/* tokens */) {\n    // Hook for Safe Parser\n  }\n\n  checkMissedSemicolon (tokens) {\n    let colon = this.colon(tokens)\n    if (colon === false) return\n\n    let founded = 0\n    let token\n    for (let j = colon - 1; j >= 0; j--) {\n      token = tokens[j]\n      if (token[0] !== 'space') {\n        founded += 1\n        if (founded === 2) break\n      }\n    }\n    throw this.input.error('Missed semicolon', token[2], token[3])\n  }\n}\n"],"file":"parser.js"}


/***/ }),
/* 90 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = tokenizer;
var SINGLE_QUOTE = '\''.charCodeAt(0);
var DOUBLE_QUOTE = '"'.charCodeAt(0);
var BACKSLASH = '\\'.charCodeAt(0);
var SLASH = '/'.charCodeAt(0);
var NEWLINE = '\n'.charCodeAt(0);
var SPACE = ' '.charCodeAt(0);
var FEED = '\f'.charCodeAt(0);
var TAB = '\t'.charCodeAt(0);
var CR = '\r'.charCodeAt(0);
var OPEN_SQUARE = '['.charCodeAt(0);
var CLOSE_SQUARE = ']'.charCodeAt(0);
var OPEN_PARENTHESES = '('.charCodeAt(0);
var CLOSE_PARENTHESES = ')'.charCodeAt(0);
var OPEN_CURLY = '{'.charCodeAt(0);
var CLOSE_CURLY = '}'.charCodeAt(0);
var SEMICOLON = ';'.charCodeAt(0);
var ASTERISK = '*'.charCodeAt(0);
var COLON = ':'.charCodeAt(0);
var AT = '@'.charCodeAt(0);
var RE_AT_END = /[ \n\t\r\f{}()'"\\;/[\]#]/g;
var RE_WORD_END = /[ \n\t\r\f(){}:;@!'"\\\][#]|\/(?=\*)/g;
var RE_BAD_BRACKET = /.[\\/("'\n]/;
var RE_HEX_ESCAPE = /[a-f0-9]/i;

function tokenizer(input, options) {
  if (options === void 0) {
    options = {};
  }

  var css = input.css.valueOf();
  var ignore = options.ignoreErrors;
  var code, next, quote, lines, last, content, escape;
  var nextLine, nextOffset, escaped, escapePos, prev, n, currentToken;
  var length = css.length;
  var offset = -1;
  var line = 1;
  var pos = 0;
  var buffer = [];
  var returned = [];

  function position() {
    return pos;
  }

  function unclosed(what) {
    throw input.error('Unclosed ' + what, line, pos - offset);
  }

  function endOfFile() {
    return returned.length === 0 && pos >= length;
  }

  function nextToken(opts) {
    if (returned.length) return returned.pop();
    if (pos >= length) return;
    var ignoreUnclosed = opts ? opts.ignoreUnclosed : false;
    code = css.charCodeAt(pos);

    if (code === NEWLINE || code === FEED || code === CR && css.charCodeAt(pos + 1) !== NEWLINE) {
      offset = pos;
      line += 1;
    }

    switch (code) {
      case NEWLINE:
      case SPACE:
      case TAB:
      case CR:
      case FEED:
        next = pos;

        do {
          next += 1;
          code = css.charCodeAt(next);

          if (code === NEWLINE) {
            offset = next;
            line += 1;
          }
        } while (code === SPACE || code === NEWLINE || code === TAB || code === CR || code === FEED);

        currentToken = ['space', css.slice(pos, next)];
        pos = next - 1;
        break;

      case OPEN_SQUARE:
      case CLOSE_SQUARE:
      case OPEN_CURLY:
      case CLOSE_CURLY:
      case COLON:
      case SEMICOLON:
      case CLOSE_PARENTHESES:
        var controlChar = String.fromCharCode(code);
        currentToken = [controlChar, controlChar, line, pos - offset];
        break;

      case OPEN_PARENTHESES:
        prev = buffer.length ? buffer.pop()[1] : '';
        n = css.charCodeAt(pos + 1);

        if (prev === 'url' && n !== SINGLE_QUOTE && n !== DOUBLE_QUOTE && n !== SPACE && n !== NEWLINE && n !== TAB && n !== FEED && n !== CR) {
          next = pos;

          do {
            escaped = false;
            next = css.indexOf(')', next + 1);

            if (next === -1) {
              if (ignore || ignoreUnclosed) {
                next = pos;
                break;
              } else {
                unclosed('bracket');
              }
            }

            escapePos = next;

            while (css.charCodeAt(escapePos - 1) === BACKSLASH) {
              escapePos -= 1;
              escaped = !escaped;
            }
          } while (escaped);

          currentToken = ['brackets', css.slice(pos, next + 1), line, pos - offset, line, next - offset];
          pos = next;
        } else {
          next = css.indexOf(')', pos + 1);
          content = css.slice(pos, next + 1);

          if (next === -1 || RE_BAD_BRACKET.test(content)) {
            currentToken = ['(', '(', line, pos - offset];
          } else {
            currentToken = ['brackets', content, line, pos - offset, line, next - offset];
            pos = next;
          }
        }

        break;

      case SINGLE_QUOTE:
      case DOUBLE_QUOTE:
        quote = code === SINGLE_QUOTE ? '\'' : '"';
        next = pos;

        do {
          escaped = false;
          next = css.indexOf(quote, next + 1);

          if (next === -1) {
            if (ignore || ignoreUnclosed) {
              next = pos + 1;
              break;
            } else {
              unclosed('string');
            }
          }

          escapePos = next;

          while (css.charCodeAt(escapePos - 1) === BACKSLASH) {
            escapePos -= 1;
            escaped = !escaped;
          }
        } while (escaped);

        content = css.slice(pos, next + 1);
        lines = content.split('\n');
        last = lines.length - 1;

        if (last > 0) {
          nextLine = line + last;
          nextOffset = next - lines[last].length;
        } else {
          nextLine = line;
          nextOffset = offset;
        }

        currentToken = ['string', css.slice(pos, next + 1), line, pos - offset, nextLine, next - nextOffset];
        offset = nextOffset;
        line = nextLine;
        pos = next;
        break;

      case AT:
        RE_AT_END.lastIndex = pos + 1;
        RE_AT_END.test(css);

        if (RE_AT_END.lastIndex === 0) {
          next = css.length - 1;
        } else {
          next = RE_AT_END.lastIndex - 2;
        }

        currentToken = ['at-word', css.slice(pos, next + 1), line, pos - offset, line, next - offset];
        pos = next;
        break;

      case BACKSLASH:
        next = pos;
        escape = true;

        while (css.charCodeAt(next + 1) === BACKSLASH) {
          next += 1;
          escape = !escape;
        }

        code = css.charCodeAt(next + 1);

        if (escape && code !== SLASH && code !== SPACE && code !== NEWLINE && code !== TAB && code !== CR && code !== FEED) {
          next += 1;

          if (RE_HEX_ESCAPE.test(css.charAt(next))) {
            while (RE_HEX_ESCAPE.test(css.charAt(next + 1))) {
              next += 1;
            }

            if (css.charCodeAt(next + 1) === SPACE) {
              next += 1;
            }
          }
        }

        currentToken = ['word', css.slice(pos, next + 1), line, pos - offset, line, next - offset];
        pos = next;
        break;

      default:
        if (code === SLASH && css.charCodeAt(pos + 1) === ASTERISK) {
          next = css.indexOf('*/', pos + 2) + 1;

          if (next === 0) {
            if (ignore || ignoreUnclosed) {
              next = css.length;
            } else {
              unclosed('comment');
            }
          }

          content = css.slice(pos, next + 1);
          lines = content.split('\n');
          last = lines.length - 1;

          if (last > 0) {
            nextLine = line + last;
            nextOffset = next - lines[last].length;
          } else {
            nextLine = line;
            nextOffset = offset;
          }

          currentToken = ['comment', content, line, pos - offset, nextLine, next - nextOffset];
          offset = nextOffset;
          line = nextLine;
          pos = next;
        } else {
          RE_WORD_END.lastIndex = pos + 1;
          RE_WORD_END.test(css);

          if (RE_WORD_END.lastIndex === 0) {
            next = css.length - 1;
          } else {
            next = RE_WORD_END.lastIndex - 2;
          }

          currentToken = ['word', css.slice(pos, next + 1), line, pos - offset, line, next - offset];
          buffer.push(currentToken);
          pos = next;
        }

        break;
    }

    pos++;
    return currentToken;
  }

  function back(token) {
    returned.push(token);
  }

  return {
    back: back,
    nextToken: nextToken,
    endOfFile: endOfFile,
    position: position
  };
}

module.exports = exports.default;
//# 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FEED:\n        next = pos\n        do {\n          next += 1\n          code = css.charCodeAt(next)\n          if (code === NEWLINE) {\n            offset = next\n            line += 1\n          }\n        } while (\n          code === SPACE ||\n          code === NEWLINE ||\n          code === TAB ||\n          code === CR ||\n          code === FEED\n        )\n\n        currentToken = ['space', css.slice(pos, next)]\n        pos = next - 1\n        break\n\n      case OPEN_SQUARE:\n      case CLOSE_SQUARE:\n      case OPEN_CURLY:\n      case CLOSE_CURLY:\n      case COLON:\n      case SEMICOLON:\n      case CLOSE_PARENTHESES:\n        let controlChar = String.fromCharCode(code)\n        currentToken = [controlChar, controlChar, line, pos - offset]\n        break\n\n      case OPEN_PARENTHESES:\n        prev = buffer.length ? buffer.pop()[1] : ''\n        n = css.charCodeAt(pos + 1)\n        if (\n          prev === 'url' &&\n          n !== SINGLE_QUOTE && n !== DOUBLE_QUOTE &&\n          n !== SPACE && n !== NEWLINE && n !== TAB &&\n          n !== FEED && n !== CR\n        ) {\n          next = pos\n          do {\n            escaped = false\n            next = css.indexOf(')', next + 1)\n            if (next === -1) {\n              if (ignore || ignoreUnclosed) {\n                next = pos\n                break\n              } else {\n                unclosed('bracket')\n              }\n            }\n            escapePos = next\n            while (css.charCodeAt(escapePos - 1) === BACKSLASH) {\n              escapePos -= 1\n              escaped = !escaped\n            }\n          } while (escaped)\n\n          currentToken = ['brackets', css.slice(pos, next + 1),\n            line, pos - offset,\n            line, next - offset\n          ]\n\n          pos = next\n        } else {\n          next = css.indexOf(')', pos + 1)\n          content = css.slice(pos, next + 1)\n\n          if (next === -1 || RE_BAD_BRACKET.test(content)) {\n            currentToken = ['(', '(', line, pos - offset]\n          } else {\n            currentToken = ['brackets', content,\n              line, pos - offset,\n              line, next - offset\n            ]\n            pos = next\n          }\n        }\n\n        break\n\n      case SINGLE_QUOTE:\n      case DOUBLE_QUOTE:\n        quote = code === SINGLE_QUOTE ? '\\'' : '\"'\n        next = pos\n        do {\n          escaped = false\n          next = css.indexOf(quote, next + 1)\n          if (next === -1) {\n            if (ignore || ignoreUnclosed) {\n              next = pos + 1\n              break\n            } else {\n              unclosed('string')\n            }\n          }\n          escapePos = next\n          while (css.charCodeAt(escapePos - 1) === BACKSLASH) {\n            escapePos -= 1\n            escaped = !escaped\n          }\n        } while (escaped)\n\n        content = css.slice(pos, next + 1)\n        lines = content.split('\\n')\n        last = lines.length - 1\n\n        if (last > 0) {\n          nextLine = line + last\n          nextOffset = next - lines[last].length\n        } else {\n          nextLine = line\n          nextOffset = offset\n        }\n\n        currentToken = ['string', css.slice(pos, next + 1),\n          line, pos - offset,\n          nextLine, next - nextOffset\n        ]\n\n        offset = nextOffset\n        line = nextLine\n        pos = next\n        break\n\n      case AT:\n        RE_AT_END.lastIndex = pos + 1\n        RE_AT_END.test(css)\n        if (RE_AT_END.lastIndex === 0) {\n          next = css.length - 1\n        } else {\n          next = RE_AT_END.lastIndex - 2\n        }\n\n        currentToken = ['at-word', css.slice(pos, next + 1),\n          line, pos - offset,\n          line, next - offset\n        ]\n\n        pos = next\n        break\n\n      case BACKSLASH:\n        next = pos\n        escape = true\n        while (css.charCodeAt(next + 1) === BACKSLASH) {\n          next += 1\n          escape = !escape\n        }\n        code = css.charCodeAt(next + 1)\n        if (\n          escape &&\n          code !== SLASH &&\n          code !== SPACE &&\n          code !== NEWLINE &&\n          code !== TAB &&\n          code !== CR &&\n          code !== FEED\n        ) {\n          next += 1\n          if (RE_HEX_ESCAPE.test(css.charAt(next))) {\n            while (RE_HEX_ESCAPE.test(css.charAt(next + 1))) {\n              next += 1\n            }\n            if (css.charCodeAt(next + 1) === SPACE) {\n              next += 1\n            }\n          }\n        }\n\n        currentToken = ['word', css.slice(pos, next + 1),\n          line, pos - offset,\n          line, next - offset\n        ]\n\n        pos = next\n        break\n\n      default:\n        if (code === SLASH && css.charCodeAt(pos + 1) === ASTERISK) {\n          next = css.indexOf('*/', pos + 2) + 1\n          if (next === 0) {\n            if (ignore || ignoreUnclosed) {\n              next = css.length\n            } else {\n              unclosed('comment')\n            }\n          }\n\n          content = css.slice(pos, next + 1)\n          lines = content.split('\\n')\n          last = lines.length - 1\n\n          if (last > 0) {\n            nextLine = line + last\n            nextOffset = next - lines[last].length\n          } else {\n            nextLine = line\n            nextOffset = offset\n          }\n\n          currentToken = ['comment', content,\n            line, pos - offset,\n            nextLine, next - nextOffset\n          ]\n\n          offset = nextOffset\n          line = nextLine\n          pos = next\n        } else {\n          RE_WORD_END.lastIndex = pos + 1\n          RE_WORD_END.test(css)\n          if (RE_WORD_END.lastIndex === 0) {\n            next = css.length - 1\n          } else {\n            next = RE_WORD_END.lastIndex - 2\n          }\n\n          currentToken = ['word', css.slice(pos, next + 1),\n            line, pos - offset,\n            line, next - offset\n          ]\n\n          buffer.push(currentToken)\n\n          pos = next\n        }\n\n        break\n    }\n\n    pos++\n    return currentToken\n  }\n\n  function back (token) {\n    returned.push(token)\n  }\n\n  return {\n    back,\n    nextToken,\n    endOfFile,\n    position\n  }\n}\n"],"file":"tokenize.js"}


/***/ }),
/* 91 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

var _path = _interopRequireDefault(__webpack_require__(3));

var _cssSyntaxError = _interopRequireDefault(__webpack_require__(34));

var _previousMap = _interopRequireDefault(__webpack_require__(92));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

var sequence = 0;
/**
 * Represents the source CSS.
 *
 * @example
 * const root  = postcss.parse(css, { from: file })
 * const input = root.source.input
 */

var Input = /*#__PURE__*/function () {
  /**
   * @param {string} css    Input CSS source.
   * @param {object} [opts] {@link Processor#process} options.
   */
  function Input(css, opts) {
    if (opts === void 0) {
      opts = {};
    }

    if (css === null || typeof css === 'undefined' || typeof css === 'object' && !css.toString) {
      throw new Error("PostCSS received " + css + " instead of CSS string");
    }
    /**
     * Input CSS source
     *
     * @type {string}
     *
     * @example
     * const input = postcss.parse('a{}', { from: file }).input
     * input.css //=> "a{}"
     */


    this.css = css.toString();

    if (this.css[0] === "\uFEFF" || this.css[0] === "\uFFFE") {
      this.hasBOM = true;
      this.css = this.css.slice(1);
    } else {
      this.hasBOM = false;
    }

    if (opts.from) {
      if (/^\w+:\/\//.test(opts.from) || _path.default.isAbsolute(opts.from)) {
        /**
         * The absolute path to the CSS source file defined
         * with the `from` option.
         *
         * @type {string}
         *
         * @example
         * const root = postcss.parse(css, { from: 'a.css' })
         * root.source.input.file //=> '/home/ai/a.css'
         */
        this.file = opts.from;
      } else {
        this.file = _path.default.resolve(opts.from);
      }
    }

    var map = new _previousMap.default(this.css, opts);

    if (map.text) {
      /**
       * The input source map passed from a compilation step before PostCSS
       * (for example, from Sass compiler).
       *
       * @type {PreviousMap}
       *
       * @example
       * root.source.input.map.consumer().sources //=> ['a.sass']
       */
      this.map = map;
      var file = map.consumer().file;
      if (!this.file && file) this.file = this.mapResolve(file);
    }

    if (!this.file) {
      sequence += 1;
      /**
       * The unique ID of the CSS source. It will be created if `from` option
       * is not provided (because PostCSS does not know the file path).
       *
       * @type {string}
       *
       * @example
       * const root = postcss.parse(css)
       * root.source.input.file //=> undefined
       * root.source.input.id   //=> "<input css 1>"
       */

      this.id = '<input css ' + sequence + '>';
    }

    if (this.map) this.map.file = this.from;
  }

  var _proto = Input.prototype;

  _proto.error = function error(message, line, column, opts) {
    if (opts === void 0) {
      opts = {};
    }

    var result;
    var origin = this.origin(line, column);

    if (origin) {
      result = new _cssSyntaxError.default(message, origin.line, origin.column, origin.source, origin.file, opts.plugin);
    } else {
      result = new _cssSyntaxError.default(message, line, column, this.css, this.file, opts.plugin);
    }

    result.input = {
      line: line,
      column: column,
      source: this.css
    };
    if (this.file) result.input.file = this.file;
    return result;
  }
  /**
   * Reads the input source map and returns a symbol position
   * in the input source (e.g., in a Sass file that was compiled
   * to CSS before being passed to PostCSS).
   *
   * @param {number} line   Line in input CSS.
   * @param {number} column Column in input CSS.
   *
   * @return {filePosition} Position in input source.
   *
   * @example
   * root.source.input.origin(1, 1) //=> { file: 'a.css', line: 3, column: 1 }
   */
  ;

  _proto.origin = function origin(line, column) {
    if (!this.map) return false;
    var consumer = this.map.consumer();
    var from = consumer.originalPositionFor({
      line: line,
      column: column
    });
    if (!from.source) return false;
    var result = {
      file: this.mapResolve(from.source),
      line: from.line,
      column: from.column
    };
    var source = consumer.sourceContentFor(from.source);
    if (source) result.source = source;
    return result;
  };

  _proto.mapResolve = function mapResolve(file) {
    if (/^\w+:\/\//.test(file)) {
      return file;
    }

    return _path.default.resolve(this.map.consumer().sourceRoot || '.', file);
  }
  /**
   * The CSS source identifier. Contains {@link Input#file} if the user
   * set the `from` option, or {@link Input#id} if they did not.
   *
   * @type {string}
   *
   * @example
   * const root = postcss.parse(css, { from: 'a.css' })
   * root.source.input.from //=> "/home/ai/a.css"
   *
   * const root = postcss.parse(css)
   * root.source.input.from //=> "<input css 1>"
   */
  ;

  _createClass(Input, [{
    key: "from",
    get: function get() {
      return this.file || this.id;
    }
  }]);

  return Input;
}();

var _default = Input;
/**
 * @typedef  {object} filePosition
 * @property {string} file   Path to file.
 * @property {number} line   Source line in file.
 * @property {number} column Source column in file.
 */

exports.default = _default;
module.exports = exports.default;
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path from 'path'\n\nimport CssSyntaxError from './css-syntax-error'\nimport PreviousMap from './previous-map'\n\nlet sequence = 0\n\n/**\n * Represents the source CSS.\n *\n * @example\n * const root  = postcss.parse(css, { from: file })\n * const input = root.source.input\n */\nclass Input {\n  /**\n   * @param {string} css    Input CSS source.\n   * @param {object} [opts] {@link Processor#process} options.\n   */\n  constructor (css, opts = { }) {\n    if (\n      css === null ||\n      typeof css === 'undefined' ||\n      (typeof css === 'object' && !css.toString)\n    ) {\n      throw new Error(`PostCSS received ${ css } instead of CSS string`)\n    }\n\n    /**\n     * Input CSS source\n     *\n     * @type {string}\n     *\n     * @example\n     * const input = postcss.parse('a{}', { from: file }).input\n     * input.css //=> \"a{}\"\n     */\n    this.css = css.toString()\n\n    if (this.css[0] === '\\uFEFF' || this.css[0] === '\\uFFFE') {\n      this.hasBOM = true\n      this.css = this.css.slice(1)\n    } else {\n      this.hasBOM = false\n    }\n\n    if (opts.from) {\n      if (/^\\w+:\\/\\//.test(opts.from) || path.isAbsolute(opts.from)) {\n        /**\n         * The absolute path to the CSS source file defined\n         * with the `from` option.\n         *\n         * @type {string}\n         *\n         * @example\n         * const root = postcss.parse(css, { from: 'a.css' })\n         * root.source.input.file //=> '/home/ai/a.css'\n         */\n        this.file = opts.from\n      } else {\n        this.file = path.resolve(opts.from)\n      }\n    }\n\n    let map = new PreviousMap(this.css, opts)\n    if (map.text) {\n      /**\n       * The input source map passed from a compilation step before PostCSS\n       * (for example, from Sass compiler).\n       *\n       * @type {PreviousMap}\n       *\n       * @example\n       * root.source.input.map.consumer().sources //=> ['a.sass']\n       */\n      this.map = map\n      let file = map.consumer().file\n      if (!this.file && file) this.file = this.mapResolve(file)\n    }\n\n    if (!this.file) {\n      sequence += 1\n      /**\n       * The unique ID of the CSS source. It will be created if `from` option\n       * is not provided (because PostCSS does not know the file path).\n       *\n       * @type {string}\n       *\n       * @example\n       * const root = postcss.parse(css)\n       * root.source.input.file //=> undefined\n       * root.source.input.id   //=> \"<input css 1>\"\n       */\n      this.id = '<input css ' + sequence + '>'\n    }\n    if (this.map) this.map.file = this.from\n  }\n\n  error (message, line, column, opts = { }) {\n    let result\n    let origin = this.origin(line, column)\n    if (origin) {\n      result = new CssSyntaxError(\n        message, origin.line, origin.column,\n        origin.source, origin.file, opts.plugin\n      )\n    } else {\n      result = new CssSyntaxError(\n        message, line, column, this.css, this.file, opts.plugin)\n    }\n\n    result.input = { line, column, source: this.css }\n    if (this.file) result.input.file = this.file\n\n    return result\n  }\n\n  /**\n   * Reads the input source map and returns a symbol position\n   * in the input source (e.g., in a Sass file that was compiled\n   * to CSS before being passed to PostCSS).\n   *\n   * @param {number} line   Line in input CSS.\n   * @param {number} column Column in input CSS.\n   *\n   * @return {filePosition} Position in input source.\n   *\n   * @example\n   * root.source.input.origin(1, 1) //=> { file: 'a.css', line: 3, column: 1 }\n   */\n  origin (line, column) {\n    if (!this.map) return false\n    let consumer = this.map.consumer()\n\n    let from = consumer.originalPositionFor({ line, column })\n    if (!from.source) return false\n\n    let result = {\n      file: this.mapResolve(from.source),\n      line: from.line,\n      column: from.column\n    }\n\n    let source = consumer.sourceContentFor(from.source)\n    if (source) result.source = source\n\n    return result\n  }\n\n  mapResolve (file) {\n    if (/^\\w+:\\/\\//.test(file)) {\n      return file\n    }\n    return path.resolve(this.map.consumer().sourceRoot || '.', file)\n  }\n\n  /**\n   * The CSS source identifier. Contains {@link Input#file} if the user\n   * set the `from` option, or {@link Input#id} if they did not.\n   *\n   * @type {string}\n   *\n   * @example\n   * const root = postcss.parse(css, { from: 'a.css' })\n   * root.source.input.from //=> \"/home/ai/a.css\"\n   *\n   * const root = postcss.parse(css)\n   * root.source.input.from //=> \"<input css 1>\"\n   */\n  get from () {\n    return this.file || this.id\n  }\n}\n\nexport default Input\n\n/**\n * @typedef  {object} filePosition\n * @property {string} file   Path to file.\n * @property {number} line   Source line in file.\n * @property {number} column Source column in file.\n */\n"],"file":"input.js"}


/***/ }),
/* 92 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";
/* WEBPACK VAR INJECTION */(function(Buffer) {

exports.__esModule = true;
exports.default = void 0;

var _sourceMap = _interopRequireDefault(__webpack_require__(39));

var _path = _interopRequireDefault(__webpack_require__(3));

var _fs = _interopRequireDefault(__webpack_require__(93));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function fromBase64(str) {
  if (Buffer) {
    return Buffer.from(str, 'base64').toString();
  } else {
    return window.atob(str);
  }
}
/**
 * Source map information from input CSS.
 * For example, source map after Sass compiler.
 *
 * This class will automatically find source map in input CSS or in file system
 * near input file (according `from` option).
 *
 * @example
 * const root = postcss.parse(css, { from: 'a.sass.css' })
 * root.input.map //=> PreviousMap
 */


var PreviousMap = /*#__PURE__*/function () {
  /**
   * @param {string}         css    Input CSS source.
   * @param {processOptions} [opts] {@link Processor#process} options.
   */
  function PreviousMap(css, opts) {
    this.loadAnnotation(css);
    /**
     * Was source map inlined by data-uri to input CSS.
     *
     * @type {boolean}
     */

    this.inline = this.startWith(this.annotation, 'data:');
    var prev = opts.map ? opts.map.prev : undefined;
    var text = this.loadMap(opts.from, prev);
    if (text) this.text = text;
  }
  /**
   * Create a instance of `SourceMapGenerator` class
   * from the `source-map` library to work with source map information.
   *
   * It is lazy method, so it will create object only on first call
   * and then it will use cache.
   *
   * @return {SourceMapGenerator} Object with source map information.
   */


  var _proto = PreviousMap.prototype;

  _proto.consumer = function consumer() {
    if (!this.consumerCache) {
      this.consumerCache = new _sourceMap.default.SourceMapConsumer(this.text);
    }

    return this.consumerCache;
  }
  /**
   * Does source map contains `sourcesContent` with input source text.
   *
   * @return {boolean} Is `sourcesContent` present.
   */
  ;

  _proto.withContent = function withContent() {
    return !!(this.consumer().sourcesContent && this.consumer().sourcesContent.length > 0);
  };

  _proto.startWith = function startWith(string, start) {
    if (!string) return false;
    return string.substr(0, start.length) === start;
  };

  _proto.getAnnotationURL = function getAnnotationURL(sourceMapString) {
    return sourceMapString.match(/\/\*\s*# sourceMappingURL=((?:(?!sourceMappingURL=).)*)\*\//)[1].trim();
  };

  _proto.loadAnnotation = function loadAnnotation(css) {
    var annotations = css.match(/\/\*\s*# sourceMappingURL=(?:(?!sourceMappingURL=).)*\*\//gm);

    if (annotations && annotations.length > 0) {
      // Locate the last sourceMappingURL to avoid picking up
      // sourceMappingURLs from comments, strings, etc.
      var lastAnnotation = annotations[annotations.length - 1];

      if (lastAnnotation) {
        this.annotation = this.getAnnotationURL(lastAnnotation);
      }
    }
  };

  _proto.decodeInline = function decodeInline(text) {
    var baseCharsetUri = /^data:application\/json;charset=utf-?8;base64,/;
    var baseUri = /^data:application\/json;base64,/;
    var uri = 'data:application/json,';

    if (this.startWith(text, uri)) {
      return decodeURIComponent(text.substr(uri.length));
    }

    if (baseCharsetUri.test(text) || baseUri.test(text)) {
      return fromBase64(text.substr(RegExp.lastMatch.length));
    }

    var encoding = text.match(/data:application\/json;([^,]+),/)[1];
    throw new Error('Unsupported source map encoding ' + encoding);
  };

  _proto.loadMap = function loadMap(file, prev) {
    if (prev === false) return false;

    if (prev) {
      if (typeof prev === 'string') {
        return prev;
      } else if (typeof prev === 'function') {
        var prevPath = prev(file);

        if (prevPath && _fs.default.existsSync && _fs.default.existsSync(prevPath)) {
          return _fs.default.readFileSync(prevPath, 'utf-8').toString().trim();
        } else {
          throw new Error('Unable to load previous source map: ' + prevPath.toString());
        }
      } else if (prev instanceof _sourceMap.default.SourceMapConsumer) {
        return _sourceMap.default.SourceMapGenerator.fromSourceMap(prev).toString();
      } else if (prev instanceof _sourceMap.default.SourceMapGenerator) {
        return prev.toString();
      } else if (this.isMap(prev)) {
        return JSON.stringify(prev);
      } else {
        throw new Error('Unsupported previous source map format: ' + prev.toString());
      }
    } else if (this.inline) {
      return this.decodeInline(this.annotation);
    } else if (this.annotation) {
      var map = this.annotation;
      if (file) map = _path.default.join(_path.default.dirname(file), map);
      this.root = _path.default.dirname(map);

      if (_fs.default.existsSync && _fs.default.existsSync(map)) {
        return _fs.default.readFileSync(map, 'utf-8').toString().trim();
      } else {
        return false;
      }
    }
  };

  _proto.isMap = function isMap(map) {
    if (typeof map !== 'object') return false;
    return typeof map.mappings === 'string' || typeof map._mappings === 'string';
  };

  return PreviousMap;
}();

var _default = PreviousMap;
exports.default = _default;
module.exports = exports.default;
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sourceMappingURL=data:application/json;charset=utf8;base64,{"version":3,"sources":["previous-map.es6"],"names":["fromBase64","str","Buffer","from","toString","window","atob","PreviousMap","css","opts","loadAnnotation","inline","startWith","annotation","prev","map","undefined","text","loadMap","consumer","consumerCache","mozilla","SourceMapConsumer","withContent","sourcesContent","length","string","start","substr","getAnnotationURL","sourceMapString","match","trim","annotations","lastAnnotation","decodeInline","baseCharsetUri","baseUri","uri","decodeURIComponent","test","RegExp","lastMatch","encoding","Error","file","prevPath","fs","existsSync","readFileSync","SourceMapGenerator","fromSourceMap","isMap","JSON","stringify","path","join","dirname","root","mappings","_mappings"],"mappings":";;;;;AAAA;;AACA;;AACA;;;;AAEA,SAASA,UAAT,CAAqBC,GAArB,EAA0B;AACxB,MAAIC,MAAJ,EAAY;AACV,WAAOA,MAAM,CAACC,IAAP,CAAYF,GAAZ,EAAiB,QAAjB,EAA2BG,QAA3B,EAAP;AACD,GAFD,MAEO;AACL,WAAOC,MAAM,CAACC,IAAP,CAAYL,GAAZ,CAAP;AACD;AACF;AAED;;;;;;;;;;;;;IAWMM,W;AACJ;;;;AAIA,uBAAaC,GAAb,EAAkBC,IAAlB,EAAwB;AACtB,SAAKC,cAAL,CAAoBF,GAApB;AACA;;;;;;AAKA,SAAKG,MAAL,GAAc,KAAKC,SAAL,CAAe,KAAKC,UAApB,EAAgC,OAAhC,CAAd;AAEA,QAAIC,IAAI,GAAGL,IAAI,CAACM,GAAL,GAAWN,IAAI,CAACM,GAAL,CAASD,IAApB,GAA2BE,SAAtC;AACA,QAAIC,IAAI,GAAG,KAAKC,OAAL,CAAaT,IAAI,CAACN,IAAlB,EAAwBW,IAAxB,CAAX;AACA,QAAIG,IAAJ,EAAU,KAAKA,IAAL,GAAYA,IAAZ;AACX;AAED;;;;;;;;;;;;;SASAE,Q,GAAA,oBAAY;AACV,QAAI,CAAC,KAAKC,aAAV,EAAyB;AACvB,WAAKA,aAAL,GAAqB,IAAIC,mBAAQC,iBAAZ,CAA8B,KAAKL,IAAnC,CAArB;AACD;;AACD,WAAO,KAAKG,aAAZ;AACD;AAED;;;;;;;SAKAG,W,GAAA,uBAAe;AACb,WAAO,CAAC,EAAE,KAAKJ,QAAL,GAAgBK,cAAhB,IACA,KAAKL,QAAL,GAAgBK,cAAhB,CAA+BC,MAA/B,GAAwC,CAD1C,CAAR;AAED,G;;SAEDb,S,GAAA,mBAAWc,MAAX,EAAmBC,KAAnB,EAA0B;AACxB,QAAI,CAACD,MAAL,EAAa,OAAO,KAAP;AACb,WAAOA,MAAM,CAACE,MAAP,CAAc,CAAd,EAAiBD,KAAK,CAACF,MAAvB,MAAmCE,KAA1C;AACD,G;;SAEDE,gB,GAAA,0BAAkBC,eAAlB,EAAmC;AACjC,WAAOA,eAAe,CACnBC,KADI,CACE,6DADF,EACiE,CADjE,EAEJC,IAFI,EAAP;AAGD,G;;SAEDtB,c,GAAA,wBAAgBF,GAAhB,EAAqB;AACnB,QAAIyB,WAAW,GAAGzB,GAAG,CAACuB,KAAJ,CAChB,6DADgB,CAAlB;;AAIA,QAAIE,WAAW,IAAIA,WAAW,CAACR,MAAZ,GAAqB,CAAxC,EAA2C;AACzC;AACA;AACA,UAAIS,cAAc,GAAGD,WAAW,CAACA,WAAW,CAACR,MAAZ,GAAqB,CAAtB,CAAhC;;AACA,UAAIS,cAAJ,EAAoB;AAClB,aAAKrB,UAAL,GAAkB,KAAKgB,gBAAL,CAAsBK,cAAtB,CAAlB;AACD;AACF;AACF,G;;SAEDC,Y,GAAA,sBAAclB,IAAd,EAAoB;AAClB,QAAImB,cAAc,GAAG,gDAArB;AACA,QAAIC,OAAO,GAAG,iCAAd;AACA,QAAIC,GAAG,GAAG,wBAAV;;AAEA,QAAI,KAAK1B,SAAL,CAAeK,IAAf,EAAqBqB,GAArB,CAAJ,EAA+B;AAC7B,aAAOC,kBAAkB,CAACtB,IAAI,CAACW,MAAL,CAAYU,GAAG,CAACb,MAAhB,CAAD,CAAzB;AACD;;AAED,QAAIW,cAAc,CAACI,IAAf,CAAoBvB,IAApB,KAA6BoB,OAAO,CAACG,IAAR,CAAavB,IAAb,CAAjC,EAAqD;AACnD,aAAOjB,UAAU,CAACiB,IAAI,CAACW,MAAL,CAAYa,MAAM,CAACC,SAAP,CAAiBjB,MAA7B,CAAD,CAAjB;AACD;;AAED,QAAIkB,QAAQ,GAAG1B,IAAI,CAACc,KAAL,CAAW,iCAAX,EAA8C,CAA9C,CAAf;AACA,UAAM,IAAIa,KAAJ,CAAU,qCAAqCD,QAA/C,CAAN;AACD,G;;SAEDzB,O,GAAA,iBAAS2B,IAAT,EAAe/B,IAAf,EAAqB;AACnB,QAAIA,IAAI,KAAK,KAAb,EAAoB,OAAO,KAAP;;AAEpB,QAAIA,IAAJ,EAAU;AACR,UAAI,OAAOA,IAAP,KAAgB,QAApB,EAA8B;AAC5B,eAAOA,IAAP;AACD,OAFD,MAEO,IAAI,OAAOA,IAAP,KAAgB,UAApB,EAAgC;AACrC,YAAIgC,QAAQ,GAAGhC,IAAI,CAAC+B,IAAD,CAAnB;;AACA,YAAIC,QAAQ,IAAIC,YAAGC,UAAf,IAA6BD,YAAGC,UAAH,CAAcF,QAAd,CAAjC,EAA0D;AACxD,iBAAOC,YAAGE,YAAH,CAAgBH,QAAhB,EAA0B,OAA1B,EAAmC1C,QAAnC,GAA8C4B,IAA9C,EAAP;AACD,SAFD,MAEO;AACL,gBAAM,IAAIY,KAAJ,CACJ,yCAAyCE,QAAQ,CAAC1C,QAAT,EADrC,CAAN;AAED;AACF,OARM,MAQA,IAAIU,IAAI,YAAYO,mBAAQC,iBAA5B,EAA+C;AACpD,eAAOD,mBAAQ6B,kBAAR,CAA2BC,aAA3B,CAAyCrC,IAAzC,EAA+CV,QAA/C,EAAP;AACD,OAFM,MAEA,IAAIU,IAAI,YAAYO,mBAAQ6B,kBAA5B,EAAgD;AACrD,eAAOpC,IAAI,CAACV,QAAL,EAAP;AACD,OAFM,MAEA,IAAI,KAAKgD,KAAL,CAAWtC,IAAX,CAAJ,EAAsB;AAC3B,eAAOuC,IAAI,CAACC,SAAL,CAAexC,IAAf,CAAP;AACD,OAFM,MAEA;AACL,cAAM,IAAI8B,KAAJ,CACJ,6CAA6C9B,IAAI,CAACV,QAAL,EADzC,CAAN;AAED;AACF,KArBD,MAqBO,IAAI,KAAKO,MAAT,EAAiB;AACtB,aAAO,KAAKwB,YAAL,CAAkB,KAAKtB,UAAvB,CAAP;AACD,KAFM,MAEA,IAAI,KAAKA,UAAT,EAAqB;AAC1B,UAAIE,GAAG,GAAG,KAAKF,UAAf;AACA,UAAIgC,IAAJ,EAAU9B,GAAG,GAAGwC,cAAKC,IAAL,CAAUD,cAAKE,OAAL,CAAaZ,IAAb,CAAV,EAA8B9B,GAA9B,CAAN;AAEV,WAAK2C,IAAL,GAAYH,cAAKE,OAAL,CAAa1C,GAAb,CAAZ;;AACA,UAAIgC,YAAGC,UAAH,IAAiBD,YAAGC,UAAH,CAAcjC,GAAd,CAArB,EAAyC;AACvC,eAAOgC,YAAGE,YAAH,CAAgBlC,GAAhB,EAAqB,OAArB,EAA8BX,QAA9B,GAAyC4B,IAAzC,EAAP;AACD,OAFD,MAEO;AACL,eAAO,KAAP;AACD;AACF;AACF,G;;SAEDoB,K,GAAA,eAAOrC,GAAP,EAAY;AACV,QAAI,OAAOA,GAAP,KAAe,QAAnB,EAA6B,OAAO,KAAP;AAC7B,WAAO,OAAOA,GAAG,CAAC4C,QAAX,KAAwB,QAAxB,IAAoC,OAAO5C,GAAG,CAAC6C,SAAX,KAAyB,QAApE;AACD,G;;;;;eAGYrD,W","sourcesContent":["import mozilla from 'source-map'\nimport path from 'path'\nimport fs from 'fs'\n\nfunction fromBase64 (str) {\n  if (Buffer) {\n    return Buffer.from(str, 'base64').toString()\n  } else {\n    return window.atob(str)\n  }\n}\n\n/**\n * Source map information from input CSS.\n * For example, source map after Sass compiler.\n *\n * This class will automatically find source map in input CSS or in file system\n * near input file (according `from` option).\n *\n * @example\n * const root = postcss.parse(css, { from: 'a.sass.css' })\n * root.input.map //=> PreviousMap\n */\nclass PreviousMap {\n  /**\n   * @param {string}         css    Input CSS source.\n   * @param {processOptions} [opts] {@link Processor#process} options.\n   */\n  constructor (css, opts) {\n    this.loadAnnotation(css)\n    /**\n     * Was source map inlined by data-uri to input CSS.\n     *\n     * @type {boolean}\n     */\n    this.inline = this.startWith(this.annotation, 'data:')\n\n    let prev = opts.map ? opts.map.prev : undefined\n    let text = this.loadMap(opts.from, prev)\n    if (text) this.text = text\n  }\n\n  /**\n   * Create a instance of `SourceMapGenerator` class\n   * from the `source-map` library to work with source map information.\n   *\n   * It is lazy method, so it will create object only on first call\n   * and then it will use cache.\n   *\n   * @return {SourceMapGenerator} Object with source map information.\n   */\n  consumer () {\n    if (!this.consumerCache) {\n      this.consumerCache = new mozilla.SourceMapConsumer(this.text)\n    }\n    return this.consumerCache\n  }\n\n  /**\n   * Does source map contains `sourcesContent` with input source text.\n   *\n   * @return {boolean} Is `sourcesContent` present.\n   */\n  withContent () {\n    return !!(this.consumer().sourcesContent &&\n              this.consumer().sourcesContent.length > 0)\n  }\n\n  startWith (string, start) {\n    if (!string) return false\n    return string.substr(0, start.length) === start\n  }\n\n  getAnnotationURL (sourceMapString) {\n    return sourceMapString\n      .match(/\\/\\*\\s*# sourceMappingURL=((?:(?!sourceMappingURL=).)*)\\*\\//)[1]\n      .trim()\n  }\n\n  loadAnnotation (css) {\n    let annotations = css.match(\n      /\\/\\*\\s*# sourceMappingURL=(?:(?!sourceMappingURL=).)*\\*\\//gm\n    )\n\n    if (annotations && annotations.length > 0) {\n      // Locate the last sourceMappingURL to avoid picking up\n      // sourceMappingURLs from comments, strings, etc.\n      let lastAnnotation = annotations[annotations.length - 1]\n      if (lastAnnotation) {\n        this.annotation = this.getAnnotationURL(lastAnnotation)\n      }\n    }\n  }\n\n  decodeInline (text) {\n    let baseCharsetUri = /^data:application\\/json;charset=utf-?8;base64,/\n    let baseUri = /^data:application\\/json;base64,/\n    let uri = 'data:application/json,'\n\n    if (this.startWith(text, uri)) {\n      return decodeURIComponent(text.substr(uri.length))\n    }\n\n    if (baseCharsetUri.test(text) || baseUri.test(text)) {\n      return fromBase64(text.substr(RegExp.lastMatch.length))\n    }\n\n    let encoding = text.match(/data:application\\/json;([^,]+),/)[1]\n    throw new Error('Unsupported source map encoding ' + encoding)\n  }\n\n  loadMap (file, prev) {\n    if (prev === false) return false\n\n    if (prev) {\n      if (typeof prev === 'string') {\n        return prev\n      } else if (typeof prev === 'function') {\n        let prevPath = prev(file)\n        if (prevPath && fs.existsSync && fs.existsSync(prevPath)) {\n          return fs.readFileSync(prevPath, 'utf-8').toString().trim()\n        } else {\n          throw new Error(\n            'Unable to load previous source map: ' + prevPath.toString())\n        }\n      } else if (prev instanceof mozilla.SourceMapConsumer) {\n        return mozilla.SourceMapGenerator.fromSourceMap(prev).toString()\n      } else if (prev instanceof mozilla.SourceMapGenerator) {\n        return prev.toString()\n      } else if (this.isMap(prev)) {\n        return JSON.stringify(prev)\n      } else {\n        throw new Error(\n          'Unsupported previous source map format: ' + prev.toString())\n      }\n    } else if (this.inline) {\n      return this.decodeInline(this.annotation)\n    } else if (this.annotation) {\n      let map = this.annotation\n      if (file) map = path.join(path.dirname(file), map)\n\n      this.root = path.dirname(map)\n      if (fs.existsSync && fs.existsSync(map)) {\n        return fs.readFileSync(map, 'utf-8').toString().trim()\n      } else {\n        return false\n      }\n    }\n  }\n\n  isMap (map) {\n    if (typeof map !== 'object') return false\n    return typeof map.mappings === 'string' || typeof map._mappings === 'string'\n  }\n}\n\nexport default PreviousMap\n"],"file":"previous-map.js"}

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(38).Buffer))

/***/ }),
/* 93 */
/***/ (function(module, exports) {

/* (ignored) */

/***/ }),
/* 94 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = void 0;

/**
 * Contains helpers for working with vendor prefixes.
 *
 * @example
 * const vendor = postcss.vendor
 *
 * @namespace vendor
 */
var vendor = {
  /**
   * Returns the vendor prefix extracted from an input string.
   *
   * @param {string} prop String with or without vendor prefix.
   *
   * @return {string} vendor prefix or empty string
   *
   * @example
   * postcss.vendor.prefix('-moz-tab-size') //=> '-moz-'
   * postcss.vendor.prefix('tab-size')      //=> ''
   */
  prefix: function prefix(prop) {
    var match = prop.match(/^(-\w+-)/);

    if (match) {
      return match[0];
    }

    return '';
  },

  /**
     * Returns the input string stripped of its vendor prefix.
     *
     * @param {string} prop String with or without vendor prefix.
     *
     * @return {string} String name without vendor prefixes.
     *
     * @example
     * postcss.vendor.unprefixed('-moz-tab-size') //=> 'tab-size'
     */
  unprefixed: function unprefixed(prop) {
    return prop.replace(/^-\w+-/, '');
  }
};
var _default = vendor;
exports.default = _default;
module.exports = exports.default;
//# sourceMappingURL=data:application/json;charset=utf8;base64,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


/***/ }),
/* 95 */
/***/ (function(module, exports, __webpack_require__) {

/**
 * Less - Leaner CSS v3.13.1
 * http://lesscss.org
 * 
 * Copyright (c) 2009-2020, Alexis Sellier <self@cloudhead.net>
 * Licensed under the Apache-2.0 License.
 *
 * @license Apache-2.0
 */

(function (global, factory) {
   true ? module.exports = factory() :
  undefined;
}(this, (function () { 'use strict';

  // Export a new default each time
  var defaultOptions = (function () { return ({
      /* Inline Javascript - @plugin still allowed */
      javascriptEnabled: false,
      /* Outputs a makefile import dependency list to stdout. */
      depends: false,
      /* (DEPRECATED) Compress using less built-in compression.
    * This does an okay job but does not utilise all the tricks of
    * dedicated css compression. */
      compress: false,
      /* Runs the less parser and just reports errors without any output. */
      lint: false,
      /* Sets available include paths.
    * If the file in an @import rule does not exist at that exact location,
    * less will look for it at the location(s) passed to this option.
    * You might use this for instance to specify a path to a library which
    * you want to be referenced simply and relatively in the less files. */
      paths: [],
      /* color output in the terminal */
      color: true,
      /* The strictImports controls whether the compiler will allow an @import inside of either
    * @media blocks or (a later addition) other selector blocks.
    * See: https://github.com/less/less.js/issues/656 */
      strictImports: false,
      /* Allow Imports from Insecure HTTPS Hosts */
      insecure: false,
      /* Allows you to add a path to every generated import and url in your css.
    * This does not affect less import statements that are processed, just ones
    * that are left in the output css. */
      rootpath: '',
      /* By default URLs are kept as-is, so if you import a file in a sub-directory
    * that references an image, exactly the same URL will be output in the css.
    * This option allows you to re-write URL's in imported files so that the
    * URL is always relative to the base imported file */
      rewriteUrls: false,
      /* How to process math
    *   0 always           - eagerly try to solve all operations
    *   1 parens-division  - require parens for division "/"
    *   2 parens | strict  - require parens for all operations
    *   3 strict-legacy    - legacy strict behavior (super-strict)
    */
      math: 0,
      /* Without this option, less attempts to guess at the output unit when it does maths. */
      strictUnits: false,
      /* Effectively the declaration is put at the top of your base Less file,
    * meaning it can be used but it also can be overridden if this variable
    * is defined in the file. */
      globalVars: null,
      /* As opposed to the global variable option, this puts the declaration at the
    * end of your base file, meaning it will override anything defined in your Less file. */
      modifyVars: null,
      /* This option allows you to specify a argument to go on to every URL.  */
      urlArgs: ''
  }); });

  function extractId(href) {
      return href.replace(/^[a-z-]+:\/+?[^\/]+/, '') // Remove protocol & domain
          .replace(/[\?\&]livereload=\w+/, '') // Remove LiveReload cachebuster
          .replace(/^\//, '') // Remove root /
          .replace(/\.[a-zA-Z]+$/, '') // Remove simple extension
          .replace(/[^\.\w-]+/g, '-') // Replace illegal characters
          .replace(/\./g, ':'); // Replace dots with colons(for valid id)
  }
  function addDataAttr(options, tag) {
      for (var opt in tag.dataset) {
          if (tag.dataset.hasOwnProperty(opt)) {
              if (opt === 'env' || opt === 'dumpLineNumbers' || opt === 'rootpath' || opt === 'errorReporting') {
                  options[opt] = tag.dataset[opt];
              }
              else {
                  try {
                      options[opt] = JSON.parse(tag.dataset[opt]);
                  }
                  catch (_) { }
              }
          }
      }
  }

  var browser = {
      createCSS: function (document, styles, sheet) {
          // Strip the query-string
          var href = sheet.href || '';
          // If there is no title set, use the filename, minus the extension
          var id = "less:" + (sheet.title || extractId(href));
          // If this has already been inserted into the DOM, we may need to replace it
          var oldStyleNode = document.getElementById(id);
          var keepOldStyleNode = false;
          // Create a new stylesheet node for insertion or (if necessary) replacement
          var styleNode = document.createElement('style');
          styleNode.setAttribute('type', 'text/css');
          if (sheet.media) {
              styleNode.setAttribute('media', sheet.media);
          }
          styleNode.id = id;
          if (!styleNode.styleSheet) {
              styleNode.appendChild(document.createTextNode(styles));
              // If new contents match contents of oldStyleNode, don't replace oldStyleNode
              keepOldStyleNode = (oldStyleNode !== null && oldStyleNode.childNodes.length > 0 && styleNode.childNodes.length > 0 &&
                  oldStyleNode.firstChild.nodeValue === styleNode.firstChild.nodeValue);
          }
          var head = document.getElementsByTagName('head')[0];
          // If there is no oldStyleNode, just append; otherwise, only append if we need
          // to replace oldStyleNode with an updated stylesheet
          if (oldStyleNode === null || keepOldStyleNode === false) {
              var nextEl = sheet && sheet.nextSibling || null;
              if (nextEl) {
                  nextEl.parentNode.insertBefore(styleNode, nextEl);
              }
              else {
                  head.appendChild(styleNode);
              }
          }
          if (oldStyleNode && keepOldStyleNode === false) {
              oldStyleNode.parentNode.removeChild(oldStyleNode);
          }
          // For IE.
          // This needs to happen *after* the style element is added to the DOM, otherwise IE 7 and 8 may crash.
          // See http://social.msdn.microsoft.com/Forums/en-US/7e081b65-878a-4c22-8e68-c10d39c2ed32/internet-explorer-crashes-appending-style-element-to-head
          if (styleNode.styleSheet) {
              try {
                  styleNode.styleSheet.cssText = styles;
              }
              catch (e) {
                  throw new Error('Couldn\'t reassign styleSheet.cssText.');
              }
          }
      },
      currentScript: function (window) {
          var document = window.document;
          return document.currentScript || (function () {
              var scripts = document.getElementsByTagName('script');
              return scripts[scripts.length - 1];
          })();
      }
  };

  var addDefaultOptions = (function (window, options) {
      // use options from the current script tag data attribues
      addDataAttr(options, browser.currentScript(window));
      if (options.isFileProtocol === undefined) {
          options.isFileProtocol = /^(file|(chrome|safari)(-extension)?|resource|qrc|app):/.test(window.location.protocol);
      }
      // Load styles asynchronously (default: false)
      //
      // This is set to `false` by default, so that the body
      // doesn't start loading before the stylesheets are parsed.
      // Setting this to `true` can result in flickering.
      //
      options.async = options.async || false;
      options.fileAsync = options.fileAsync || false;
      // Interval between watch polls
      options.poll = options.poll || (options.isFileProtocol ? 1000 : 1500);
      options.env = options.env || (window.location.hostname == '127.0.0.1' ||
          window.location.hostname == '0.0.0.0' ||
          window.location.hostname == 'localhost' ||
          (window.location.port &&
              window.location.port.length > 0) ||
          options.isFileProtocol ? 'development'
          : 'production');
      var dumpLineNumbers = /!dumpLineNumbers:(comments|mediaquery|all)/.exec(window.location.hash);
      if (dumpLineNumbers) {
          options.dumpLineNumbers = dumpLineNumbers[1];
      }
      if (options.useFileCache === undefined) {
          options.useFileCache = true;
      }
      if (options.onReady === undefined) {
          options.onReady = true;
      }
      if (options.relativeUrls) {
          options.rewriteUrls = 'all';
      }
  });

  /*! *****************************************************************************
  Copyright (c) Microsoft Corporation.

  Permission to use, copy, modify, and/or distribute this software for any
  purpose with or without fee is hereby granted.

  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
  REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
  INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
  OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  PERFORMANCE OF THIS SOFTWARE.
  ***************************************************************************** */
  /* global Reflect, Promise */
  var extendStatics = function (d, b) {
      extendStatics = Object.setPrototypeOf ||
          ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
          function (d, b) { for (var p in b)
              if (b.hasOwnProperty(p))
                  d[p] = b[p]; };
      return extendStatics(d, b);
  };
  function __extends(d, b) {
      extendStatics(d, b);
      function __() { this.constructor = d; }
      d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
  }
  function __spreadArrays() {
      for (var s = 0, i = 0, il = arguments.length; i < il; i++)
          s += arguments[i].length;
      for (var r = Array(s), k = 0, i = 0; i < il; i++)
          for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
              r[k] = a[j];
      return r;
  }

  var colors = {
      'aliceblue': '#f0f8ff',
      'antiquewhite': '#faebd7',
      'aqua': '#00ffff',
      'aquamarine': '#7fffd4',
      'azure': '#f0ffff',
      'beige': '#f5f5dc',
      'bisque': '#ffe4c4',
      'black': '#000000',
      'blanchedalmond': '#ffebcd',
      'blue': '#0000ff',
      'blueviolet': '#8a2be2',
      'brown': '#a52a2a',
      'burlywood': '#deb887',
      'cadetblue': '#5f9ea0',
      'chartreuse': '#7fff00',
      'chocolate': '#d2691e',
      'coral': '#ff7f50',
      'cornflowerblue': '#6495ed',
      'cornsilk': '#fff8dc',
      'crimson': '#dc143c',
      'cyan': '#00ffff',
      'darkblue': '#00008b',
      'darkcyan': '#008b8b',
      'darkgoldenrod': '#b8860b',
      'darkgray': '#a9a9a9',
      'darkgrey': '#a9a9a9',
      'darkgreen': '#006400',
      'darkkhaki': '#bdb76b',
      'darkmagenta': '#8b008b',
      'darkolivegreen': '#556b2f',
      'darkorange': '#ff8c00',
      'darkorchid': '#9932cc',
      'darkred': '#8b0000',
      'darksalmon': '#e9967a',
      'darkseagreen': '#8fbc8f',
      'darkslateblue': '#483d8b',
      'darkslategray': '#2f4f4f',
      'darkslategrey': '#2f4f4f',
      'darkturquoise': '#00ced1',
      'darkviolet': '#9400d3',
      'deeppink': '#ff1493',
      'deepskyblue': '#00bfff',
      'dimgray': '#696969',
      'dimgrey': '#696969',
      'dodgerblue': '#1e90ff',
      'firebrick': '#b22222',
      'floralwhite': '#fffaf0',
      'forestgreen': '#228b22',
      'fuchsia': '#ff00ff',
      'gainsboro': '#dcdcdc',
      'ghostwhite': '#f8f8ff',
      'gold': '#ffd700',
      'goldenrod': '#daa520',
      'gray': '#808080',
      'grey': '#808080',
      'green': '#008000',
      'greenyellow': '#adff2f',
      'honeydew': '#f0fff0',
      'hotpink': '#ff69b4',
      'indianred': '#cd5c5c',
      'indigo': '#4b0082',
      'ivory': '#fffff0',
      'khaki': '#f0e68c',
      'lavender': '#e6e6fa',
      'lavenderblush': '#fff0f5',
      'lawngreen': '#7cfc00',
      'lemonchiffon': '#fffacd',
      'lightblue': '#add8e6',
      'lightcoral': '#f08080',
      'lightcyan': '#e0ffff',
      'lightgoldenrodyellow': '#fafad2',
      'lightgray': '#d3d3d3',
      'lightgrey': '#d3d3d3',
      'lightgreen': '#90ee90',
      'lightpink': '#ffb6c1',
      'lightsalmon': '#ffa07a',
      'lightseagreen': '#20b2aa',
      'lightskyblue': '#87cefa',
      'lightslategray': '#778899',
      'lightslategrey': '#778899',
      'lightsteelblue': '#b0c4de',
      'lightyellow': '#ffffe0',
      'lime': '#00ff00',
      'limegreen': '#32cd32',
      'linen': '#faf0e6',
      'magenta': '#ff00ff',
      'maroon': '#800000',
      'mediumaquamarine': '#66cdaa',
      'mediumblue': '#0000cd',
      'mediumorchid': '#ba55d3',
      'mediumpurple': '#9370d8',
      'mediumseagreen': '#3cb371',
      'mediumslateblue': '#7b68ee',
      'mediumspringgreen': '#00fa9a',
      'mediumturquoise': '#48d1cc',
      'mediumvioletred': '#c71585',
      'midnightblue': '#191970',
      'mintcream': '#f5fffa',
      'mistyrose': '#ffe4e1',
      'moccasin': '#ffe4b5',
      'navajowhite': '#ffdead',
      'navy': '#000080',
      'oldlace': '#fdf5e6',
      'olive': '#808000',
      'olivedrab': '#6b8e23',
      'orange': '#ffa500',
      'orangered': '#ff4500',
      'orchid': '#da70d6',
      'palegoldenrod': '#eee8aa',
      'palegreen': '#98fb98',
      'paleturquoise': '#afeeee',
      'palevioletred': '#d87093',
      'papayawhip': '#ffefd5',
      'peachpuff': '#ffdab9',
      'peru': '#cd853f',
      'pink': '#ffc0cb',
      'plum': '#dda0dd',
      'powderblue': '#b0e0e6',
      'purple': '#800080',
      'rebeccapurple': '#663399',
      'red': '#ff0000',
      'rosybrown': '#bc8f8f',
      'royalblue': '#4169e1',
      'saddlebrown': '#8b4513',
      'salmon': '#fa8072',
      'sandybrown': '#f4a460',
      'seagreen': '#2e8b57',
      'seashell': '#fff5ee',
      'sienna': '#a0522d',
      'silver': '#c0c0c0',
      'skyblue': '#87ceeb',
      'slateblue': '#6a5acd',
      'slategray': '#708090',
      'slategrey': '#708090',
      'snow': '#fffafa',
      'springgreen': '#00ff7f',
      'steelblue': '#4682b4',
      'tan': '#d2b48c',
      'teal': '#008080',
      'thistle': '#d8bfd8',
      'tomato': '#ff6347',
      'turquoise': '#40e0d0',
      'violet': '#ee82ee',
      'wheat': '#f5deb3',
      'white': '#ffffff',
      'whitesmoke': '#f5f5f5',
      'yellow': '#ffff00',
      'yellowgreen': '#9acd32'
  };

  var unitConversions = {
      length: {
          'm': 1,
          'cm': 0.01,
          'mm': 0.001,
          'in': 0.0254,
          'px': 0.0254 / 96,
          'pt': 0.0254 / 72,
          'pc': 0.0254 / 72 * 12
      },
      duration: {
          's': 1,
          'ms': 0.001
      },
      angle: {
          'rad': 1 / (2 * Math.PI),
          'deg': 1 / 360,
          'grad': 1 / 400,
          'turn': 1
      }
  };

  var data = { colors: colors, unitConversions: unitConversions };

  /**
   * The reason why Node is a class and other nodes simply do not extend
   * from Node (since we're transpiling) is due to this issue:
   *
   * https://github.com/less/less.js/issues/3434
   */
  var Node = /** @class */ (function () {
      function Node() {
          this.parent = null;
          this.visibilityBlocks = undefined;
          this.nodeVisible = undefined;
          this.rootNode = null;
          this.parsed = null;
          var self = this;
          Object.defineProperty(this, 'currentFileInfo', {
              get: function () { return self.fileInfo(); }
          });
          Object.defineProperty(this, 'index', {
              get: function () { return self.getIndex(); }
          });
      }
      Node.prototype.setParent = function (nodes, parent) {
          function set(node) {
              if (node && node instanceof Node) {
                  node.parent = parent;
              }
          }
          if (Array.isArray(nodes)) {
              nodes.forEach(set);
          }
          else {
              set(nodes);
          }
      };
      Node.prototype.getIndex = function () {
          return this._index || (this.parent && this.parent.getIndex()) || 0;
      };
      Node.prototype.fileInfo = function () {
          return this._fileInfo || (this.parent && this.parent.fileInfo()) || {};
      };
      Node.prototype.isRulesetLike = function () {
          return false;
      };
      Node.prototype.toCSS = function (context) {
          var strs = [];
          this.genCSS(context, {
              add: function (chunk, fileInfo, index) {
                  strs.push(chunk);
              },
              isEmpty: function () {
                  return strs.length === 0;
              }
          });
          return strs.join('');
      };
      Node.prototype.genCSS = function (context, output) {
          output.add(this.value);
      };
      Node.prototype.accept = function (visitor) {
          this.value = visitor.visit(this.value);
      };
      Node.prototype.eval = function () { return this; };
      Node.prototype._operate = function (context, op, a, b) {
          switch (op) {
              case '+': return a + b;
              case '-': return a - b;
              case '*': return a * b;
              case '/': return a / b;
          }
      };
      Node.prototype.fround = function (context, value) {
          var precision = context && context.numPrecision;
          // add "epsilon" to ensure numbers like 1.000000005 (represented as 1.000000004999...) are properly rounded:
          return (precision) ? Number((value + 2e-16).toFixed(precision)) : value;
      };
      // Returns true if this node represents root of ast imported by reference
      Node.prototype.blocksVisibility = function () {
          if (this.visibilityBlocks == null) {
              this.visibilityBlocks = 0;
          }
          return this.visibilityBlocks !== 0;
      };
      Node.prototype.addVisibilityBlock = function () {
          if (this.visibilityBlocks == null) {
              this.visibilityBlocks = 0;
          }
          this.visibilityBlocks = this.visibilityBlocks + 1;
      };
      Node.prototype.removeVisibilityBlock = function () {
          if (this.visibilityBlocks == null) {
              this.visibilityBlocks = 0;
          }
          this.visibilityBlocks = this.visibilityBlocks - 1;
      };
      // Turns on node visibility - if called node will be shown in output regardless
      // of whether it comes from import by reference or not
      Node.prototype.ensureVisibility = function () {
          this.nodeVisible = true;
      };
      // Turns off node visibility - if called node will NOT be shown in output regardless
      // of whether it comes from import by reference or not
      Node.prototype.ensureInvisibility = function () {
          this.nodeVisible = false;
      };
      // return values:
      // false - the node must not be visible
      // true - the node must be visible
      // undefined or null - the node has the same visibility as its parent
      Node.prototype.isVisible = function () {
          return this.nodeVisible;
      };
      Node.prototype.visibilityInfo = function () {
          return {
              visibilityBlocks: this.visibilityBlocks,
              nodeVisible: this.nodeVisible
          };
      };
      Node.prototype.copyVisibilityInfo = function (info) {
          if (!info) {
              return;
          }
          this.visibilityBlocks = info.visibilityBlocks;
          this.nodeVisible = info.nodeVisible;
      };
      return Node;
  }());
  Node.compare = function (a, b) {
      /* returns:
       -1: a < b
       0: a = b
       1: a > b
       and *any* other value for a != b (e.g. undefined, NaN, -2 etc.) */
      if ((a.compare) &&
          // for "symmetric results" force toCSS-based comparison
          // of Quoted or Anonymous if either value is one of those
          !(b.type === 'Quoted' || b.type === 'Anonymous')) {
          return a.compare(b);
      }
      else if (b.compare) {
          return -b.compare(a);
      }
      else if (a.type !== b.type) {
          return undefined;
      }
      a = a.value;
      b = b.value;
      if (!Array.isArray(a)) {
          return a === b ? 0 : undefined;
      }
      if (a.length !== b.length) {
          return undefined;
      }
      for (var i = 0; i < a.length; i++) {
          if (Node.compare(a[i], b[i]) !== 0) {
              return undefined;
          }
      }
      return 0;
  };
  Node.numericCompare = function (a, b) { return a < b ? -1
      : a === b ? 0
          : a > b ? 1 : undefined; };

  //
  // RGB Colors - #ff0014, #eee
  //
  var Color = function (rgb, a, originalForm) {
      var self = this;
      //
      // The end goal here, is to parse the arguments
      // into an integer triplet, such as `128, 255, 0`
      //
      // This facilitates operations and conversions.
      //
      if (Array.isArray(rgb)) {
          this.rgb = rgb;
      }
      else if (rgb.length >= 6) {
          this.rgb = [];
          rgb.match(/.{2}/g).map(function (c, i) {
              if (i < 3) {
                  self.rgb.push(parseInt(c, 16));
              }
              else {
                  self.alpha = (parseInt(c, 16)) / 255;
              }
          });
      }
      else {
          this.rgb = [];
          rgb.split('').map(function (c, i) {
              if (i < 3) {
                  self.rgb.push(parseInt(c + c, 16));
              }
              else {
                  self.alpha = (parseInt(c + c, 16)) / 255;
              }
          });
      }
      this.alpha = this.alpha || (typeof a === 'number' ? a : 1);
      if (typeof originalForm !== 'undefined') {
          this.value = originalForm;
      }
  };
  Color.prototype = new Node();
  Color.prototype.luma = function () {
      var r = this.rgb[0] / 255;
      var g = this.rgb[1] / 255;
      var b = this.rgb[2] / 255;
      r = (r <= 0.03928) ? r / 12.92 : Math.pow(((r + 0.055) / 1.055), 2.4);
      g = (g <= 0.03928) ? g / 12.92 : Math.pow(((g + 0.055) / 1.055), 2.4);
      b = (b <= 0.03928) ? b / 12.92 : Math.pow(((b + 0.055) / 1.055), 2.4);
      return 0.2126 * r + 0.7152 * g + 0.0722 * b;
  };
  Color.prototype.genCSS = function (context, output) {
      output.add(this.toCSS(context));
  };
  Color.prototype.toCSS = function (context, doNotCompress) {
      var compress = context && context.compress && !doNotCompress;
      var color;
      var alpha;
      var colorFunction;
      var args = [];
      // `value` is set if this color was originally
      // converted from a named color string so we need
      // to respect this and try to output named color too.
      alpha = this.fround(context, this.alpha);
      if (this.value) {
          if (this.value.indexOf('rgb') === 0) {
              if (alpha < 1) {
                  colorFunction = 'rgba';
              }
          }
          else if (this.value.indexOf('hsl') === 0) {
              if (alpha < 1) {
                  colorFunction = 'hsla';
              }
              else {
                  colorFunction = 'hsl';
              }
          }
          else {
              return this.value;
          }
      }
      else {
          if (alpha < 1) {
              colorFunction = 'rgba';
          }
      }
      switch (colorFunction) {
          case 'rgba':
              args = this.rgb.map(function (c) { return clamp(Math.round(c), 255); }).concat(clamp(alpha, 1));
              break;
          case 'hsla':
              args.push(clamp(alpha, 1));
          case 'hsl':
              color = this.toHSL();
              args = [
                  this.fround(context, color.h),
                  this.fround(context, color.s * 100) + "%",
                  this.fround(context, color.l * 100) + "%"
              ].concat(args);
      }
      if (colorFunction) {
          // Values are capped between `0` and `255`, rounded and zero-padded.
          return colorFunction + "(" + args.join("," + (compress ? '' : ' ')) + ")";
      }
      color = this.toRGB();
      if (compress) {
          var splitcolor = color.split('');
          // Convert color to short format
          if (splitcolor[1] === splitcolor[2] && splitcolor[3] === splitcolor[4] && splitcolor[5] === splitcolor[6]) {
              color = "#" + splitcolor[1] + splitcolor[3] + splitcolor[5];
          }
      }
      return color;
  };
  //
  // Operations have to be done per-channel, if not,
  // channels will spill onto each other. Once we have
  // our result, in the form of an integer triplet,
  // we create a new Color node to hold the result.
  //
  Color.prototype.operate = function (context, op, other) {
      var rgb = new Array(3);
      var alpha = this.alpha * (1 - other.alpha) + other.alpha;
      for (var c = 0; c < 3; c++) {
          rgb[c] = this._operate(context, op, this.rgb[c], other.rgb[c]);
      }
      return new Color(rgb, alpha);
  };
  Color.prototype.toRGB = function () {
      return toHex(this.rgb);
  };
  Color.prototype.toHSL = function () {
      var r = this.rgb[0] / 255;
      var g = this.rgb[1] / 255;
      var b = this.rgb[2] / 255;
      var a = this.alpha;
      var max = Math.max(r, g, b);
      var min = Math.min(r, g, b);
      var h;
      var s;
      var l = (max + min) / 2;
      var d = max - min;
      if (max === min) {
          h = s = 0;
      }
      else {
          s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
          switch (max) {
              case r:
                  h = (g - b) / d + (g < b ? 6 : 0);
                  break;
              case g:
                  h = (b - r) / d + 2;
                  break;
              case b:
                  h = (r - g) / d + 4;
                  break;
          }
          h /= 6;
      }
      return { h: h * 360, s: s, l: l, a: a };
  };
  // Adapted from http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript
  Color.prototype.toHSV = function () {
      var r = this.rgb[0] / 255;
      var g = this.rgb[1] / 255;
      var b = this.rgb[2] / 255;
      var a = this.alpha;
      var max = Math.max(r, g, b);
      var min = Math.min(r, g, b);
      var h;
      var s;
      var v = max;
      var d = max - min;
      if (max === 0) {
          s = 0;
      }
      else {
          s = d / max;
      }
      if (max === min) {
          h = 0;
      }
      else {
          switch (max) {
              case r:
                  h = (g - b) / d + (g < b ? 6 : 0);
                  break;
              case g:
                  h = (b - r) / d + 2;
                  break;
              case b:
                  h = (r - g) / d + 4;
                  break;
          }
          h /= 6;
      }
      return { h: h * 360, s: s, v: v, a: a };
  };
  Color.prototype.toARGB = function () {
      return toHex([this.alpha * 255].concat(this.rgb));
  };
  Color.prototype.compare = function (x) {
      return (x.rgb &&
          x.rgb[0] === this.rgb[0] &&
          x.rgb[1] === this.rgb[1] &&
          x.rgb[2] === this.rgb[2] &&
          x.alpha === this.alpha) ? 0 : undefined;
  };
  Color.prototype.type = 'Color';
  function clamp(v, max) {
      return Math.min(Math.max(v, 0), max);
  }
  function toHex(v) {
      return "#" + v.map(function (c) {
          c = clamp(Math.round(c), 255);
          return (c < 16 ? '0' : '') + c.toString(16);
      }).join('');
  }
  Color.fromKeyword = function (keyword) {
      var c;
      var key = keyword.toLowerCase();
      if (colors.hasOwnProperty(key)) {
          c = new Color(colors[key].slice(1));
      }
      else if (key === 'transparent') {
          c = new Color([0, 0, 0], 0);
      }
      if (c) {
          c.value = keyword;
          return c;
      }
  };

  var Paren = function (node) {
      this.value = node;
  };
  Paren.prototype = new Node();
  Paren.prototype.genCSS = function (context, output) {
      output.add('(');
      this.value.genCSS(context, output);
      output.add(')');
  };
  Paren.prototype.eval = function (context) {
      return new Paren(this.value.eval(context));
  };
  Paren.prototype.type = 'Paren';

  var _noSpaceCombinators = {
      '': true,
      ' ': true,
      '|': true
  };
  var Combinator = function (value) {
      if (value === ' ') {
          this.value = ' ';
          this.emptyOrWhitespace = true;
      }
      else {
          this.value = value ? value.trim() : '';
          this.emptyOrWhitespace = this.value === '';
      }
  };
  Combinator.prototype = new Node();
  Combinator.prototype.genCSS = function (context, output) {
      var spaceOrEmpty = (context.compress || _noSpaceCombinators[this.value]) ? '' : ' ';
      output.add(spaceOrEmpty + this.value + spaceOrEmpty);
  };
  Combinator.prototype.type = 'Combinator';

  var Element = function (combinator, value, isVariable, index, currentFileInfo, visibilityInfo) {
      this.combinator = combinator instanceof Combinator ?
          combinator : new Combinator(combinator);
      if (typeof value === 'string') {
          this.value = value.trim();
      }
      else if (value) {
          this.value = value;
      }
      else {
          this.value = '';
      }
      this.isVariable = isVariable;
      this._index = index;
      this._fileInfo = currentFileInfo;
      this.copyVisibilityInfo(visibilityInfo);
      this.setParent(this.combinator, this);
  };
  Element.prototype = new Node();
  Element.prototype.accept = function (visitor) {
      var value = this.value;
      this.combinator = visitor.visit(this.combinator);
      if (typeof value === 'object') {
          this.value = visitor.visit(value);
      }
  };
  Element.prototype.eval = function (context) {
      return new Element(this.combinator, this.value.eval ? this.value.eval(context) : this.value, this.isVariable, this.getIndex(), this.fileInfo(), this.visibilityInfo());
  };
  Element.prototype.clone = function () {
      return new Element(this.combinator, this.value, this.isVariable, this.getIndex(), this.fileInfo(), this.visibilityInfo());
  };
  Element.prototype.genCSS = function (context, output) {
      output.add(this.toCSS(context), this.fileInfo(), this.getIndex());
  };
  Element.prototype.toCSS = function (context) {
      if (context === void 0) { context = {}; }
      var value = this.value;
      var firstSelector = context.firstSelector;
      if (value instanceof Paren) {
          // selector in parens should not be affected by outer selector
          // flags (breaks only interpolated selectors - see #1973)
          context.firstSelector = true;
      }
      value = value.toCSS ? value.toCSS(context) : value;
      context.firstSelector = firstSelector;
      if (value === '' && this.combinator.value.charAt(0) === '&') {
          return '';
      }
      else {
          return this.combinator.toCSS(context) + value;
      }
  };
  Element.prototype.type = 'Element';

  var Math$1 = {
      ALWAYS: 0,
      PARENS_DIVISION: 1,
      PARENS: 2,
      STRICT_LEGACY: 3
  };
  var RewriteUrls = {
      OFF: 0,
      LOCAL: 1,
      ALL: 2
  };

  /**
   * Returns the object type of the given payload
   *
   * @param {*} payload
   * @returns {string}
   */
  function getType(payload) {
      return Object.prototype.toString.call(payload).slice(8, -1);
  }
  /**
   * Returns whether the payload is a plain JavaScript object (excluding special classes or objects with other prototypes)
   *
   * @param {*} payload
   * @returns {payload is Record<string, any>}
   */
  function isPlainObject(payload) {
      if (getType(payload) !== 'Object')
          return false;
      return payload.constructor === Object && Object.getPrototypeOf(payload) === Object.prototype;
  }
  /**
   * Returns whether the payload is an array
   *
   * @param {any} payload
   * @returns {payload is any[]}
   */
  function isArray(payload) {
      return getType(payload) === 'Array';
  }

  /*! *****************************************************************************
  Copyright (c) Microsoft Corporation. All rights reserved.
  Licensed under the Apache License, Version 2.0 (the "License"); you may not use
  this file except in compliance with the License. You may obtain a copy of the
  License at http://www.apache.org/licenses/LICENSE-2.0

  THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
  WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
  MERCHANTABLITY OR NON-INFRINGEMENT.

  See the Apache Version 2.0 License for specific language governing permissions
  and limitations under the License.
  ***************************************************************************** */
  function __spreadArrays$1() {
      for (var s = 0, i = 0, il = arguments.length; i < il; i++)
          s += arguments[i].length;
      for (var r = Array(s), k = 0, i = 0; i < il; i++)
          for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
              r[k] = a[j];
      return r;
  }
  function assignProp(carry, key, newVal, originalObject, includeNonenumerable) {
      var propType = {}.propertyIsEnumerable.call(originalObject, key)
          ? 'enumerable'
          : 'nonenumerable';
      if (propType === 'enumerable')
          carry[key] = newVal;
      if (includeNonenumerable && propType === 'nonenumerable') {
          Object.defineProperty(carry, key, {
              value: newVal,
              enumerable: false,
              writable: true,
              configurable: true,
          });
      }
  }
  /**
   * Copy (clone) an object and all its props recursively to get rid of any prop referenced of the original object. Arrays are also cloned, however objects inside arrays are still linked.
   *
   * @export
   * @template T
   * @param {T} target Target can be anything
   * @param {Options} [options={}] Options can be `props` or `nonenumerable`
   * @returns {T} the target with replaced values
   * @export
   */
  function copy(target, options) {
      if (options === void 0) {
          options = {};
      }
      if (isArray(target))
          return target.map(function (i) { return copy(i, options); });
      if (!isPlainObject(target))
          return target;
      var props = Object.getOwnPropertyNames(target);
      var symbols = Object.getOwnPropertySymbols(target);
      return __spreadArrays$1(props, symbols).reduce(function (carry, key) {
          if (isArray(options.props) && !options.props.includes(key)) {
              return carry;
          }
          var val = target[key];
          var newVal = copy(val, options);
          assignProp(carry, key, newVal, target, options.nonenumerable);
          return carry;
      }, {});
  }

  /* jshint proto: true */
  function getLocation(index, inputStream) {
      var n = index + 1;
      var line = null;
      var column = -1;
      while (--n >= 0 && inputStream.charAt(n) !== '\n') {
          column++;
      }
      if (typeof index === 'number') {
          line = (inputStream.slice(0, index).match(/\n/g) || '').length;
      }
      return {
          line: line,
          column: column
      };
  }
  function copyArray(arr) {
      var i;
      var length = arr.length;
      var copy = new Array(length);
      for (i = 0; i < length; i++) {
          copy[i] = arr[i];
      }
      return copy;
  }
  function clone(obj) {
      var cloned = {};
      for (var prop in obj) {
          if (obj.hasOwnProperty(prop)) {
              cloned[prop] = obj[prop];
          }
      }
      return cloned;
  }
  function defaults(obj1, obj2) {
      var newObj = obj2 || {};
      if (!obj2._defaults) {
          newObj = {};
          var defaults_1 = copy(obj1);
          newObj._defaults = defaults_1;
          var cloned = obj2 ? copy(obj2) : {};
          Object.assign(newObj, defaults_1, cloned);
      }
      return newObj;
  }
  function copyOptions(obj1, obj2) {
      if (obj2 && obj2._defaults) {
          return obj2;
      }
      var opts = defaults(obj1, obj2);
      if (opts.strictMath) {
          opts.math = Math$1.STRICT_LEGACY;
      }
      // Back compat with changed relativeUrls option
      if (opts.relativeUrls) {
          opts.rewriteUrls = RewriteUrls.ALL;
      }
      if (typeof opts.math === 'string') {
          switch (opts.math.toLowerCase()) {
              case 'always':
                  opts.math = Math$1.ALWAYS;
                  break;
              case 'parens-division':
                  opts.math = Math$1.PARENS_DIVISION;
                  break;
              case 'strict':
              case 'parens':
                  opts.math = Math$1.PARENS;
                  break;
              case 'strict-legacy':
                  opts.math = Math$1.STRICT_LEGACY;
          }
      }
      if (typeof opts.rewriteUrls === 'string') {
          switch (opts.rewriteUrls.toLowerCase()) {
              case 'off':
                  opts.rewriteUrls = RewriteUrls.OFF;
                  break;
              case 'local':
                  opts.rewriteUrls = RewriteUrls.LOCAL;
                  break;
              case 'all':
                  opts.rewriteUrls = RewriteUrls.ALL;
                  break;
          }
      }
      return opts;
  }
  function merge(obj1, obj2) {
      for (var prop in obj2) {
          if (obj2.hasOwnProperty(prop)) {
              obj1[prop] = obj2[prop];
          }
      }
      return obj1;
  }
  function flattenArray(arr, result) {
      if (result === void 0) { result = []; }
      for (var i = 0, length_1 = arr.length; i < length_1; i++) {
          var value = arr[i];
          if (Array.isArray(value)) {
              flattenArray(value, result);
          }
          else {
              if (value !== undefined) {
                  result.push(value);
              }
          }
      }
      return result;
  }

  var utils = /*#__PURE__*/Object.freeze({
    __proto__: null,
    getLocation: getLocation,
    copyArray: copyArray,
    clone: clone,
    defaults: defaults,
    copyOptions: copyOptions,
    merge: merge,
    flattenArray: flattenArray
  });

  var anonymousFunc = /(<anonymous>|Function):(\d+):(\d+)/;
  /**
   * This is a centralized class of any error that could be thrown internally (mostly by the parser).
   * Besides standard .message it keeps some additional data like a path to the file where the error
   * occurred along with line and column numbers.
   *
   * @class
   * @extends Error
   * @type {module.LessError}
   *
   * @prop {string} type
   * @prop {string} filename
   * @prop {number} index
   * @prop {number} line
   * @prop {number} column
   * @prop {number} callLine
   * @prop {number} callExtract
   * @prop {string[]} extract
   *
   * @param {Object} e              - An error object to wrap around or just a descriptive object
   * @param {Object} fileContentMap - An object with file contents in 'contents' property (like importManager) @todo - move to fileManager?
   * @param {string} [currentFilename]
   */
  var LessError = function LessError(e, fileContentMap, currentFilename) {
      Error.call(this);
      var filename = e.filename || currentFilename;
      this.message = e.message;
      this.stack = e.stack;
      if (fileContentMap && filename) {
          var input = fileContentMap.contents[filename];
          var loc = getLocation(e.index, input);
          var line = loc.line;
          var col = loc.column;
          var callLine = e.call && getLocation(e.call, input).line;
          var lines = input ? input.split('\n') : '';
          this.type = e.type || 'Syntax';
          this.filename = filename;
          this.index = e.index;
          this.line = typeof line === 'number' ? line + 1 : null;
          this.column = col;
          if (!this.line && this.stack) {
              var found = this.stack.match(anonymousFunc);
              /**
               * We have to figure out how this environment stringifies anonymous functions
               * so we can correctly map plugin errors.
               *
               * Note, in Node 8, the output of anonymous funcs varied based on parameters
               * being present or not, so we inject dummy params.
               */
              var func = new Function('a', 'throw new Error()');
              var lineAdjust = 0;
              try {
                  func();
              }
              catch (e) {
                  var match = e.stack.match(anonymousFunc);
                  var line_1 = parseInt(match[2]);
                  lineAdjust = 1 - line_1;
              }
              if (found) {
                  if (found[2]) {
                      this.line = parseInt(found[2]) + lineAdjust;
                  }
                  if (found[3]) {
                      this.column = parseInt(found[3]);
                  }
              }
          }
          this.callLine = callLine + 1;
          this.callExtract = lines[callLine];
          this.extract = [
              lines[this.line - 2],
              lines[this.line - 1],
              lines[this.line]
          ];
      }
  };
  if (typeof Object.create === 'undefined') {
      var F = function () { };
      F.prototype = Error.prototype;
      LessError.prototype = new F();
  }
  else {
      LessError.prototype = Object.create(Error.prototype);
  }
  LessError.prototype.constructor = LessError;
  /**
   * An overridden version of the default Object.prototype.toString
   * which uses additional information to create a helpful message.
   *
   * @param {Object} options
   * @returns {string}
   */
  LessError.prototype.toString = function (options) {
      if (options === void 0) { options = {}; }
      var message = '';
      var extract = this.extract || [];
      var error = [];
      var stylize = function (str) { return str; };
      if (options.stylize) {
          var type = typeof options.stylize;
          if (type !== 'function') {
              throw Error("options.stylize should be a function, got a " + type + "!");
          }
          stylize = options.stylize;
      }
      if (this.line !== null) {
          if (typeof extract[0] === 'string') {
              error.push(stylize(this.line - 1 + " " + extract[0], 'grey'));
          }
          if (typeof extract[1] === 'string') {
              var errorTxt = this.line + " ";
              if (extract[1]) {
                  errorTxt += extract[1].slice(0, this.column) +
                      stylize(stylize(stylize(extract[1].substr(this.column, 1), 'bold') +
                          extract[1].slice(this.column + 1), 'red'), 'inverse');
              }
              error.push(errorTxt);
          }
          if (typeof extract[2] === 'string') {
              error.push(stylize(this.line + 1 + " " + extract[2], 'grey'));
          }
          error = error.join('\n') + stylize('', 'reset') + "\n";
      }
      message += stylize(this.type + "Error: " + this.message, 'red');
      if (this.filename) {
          message += stylize(' in ', 'red') + this.filename;
      }
      if (this.line) {
          message += stylize(" on line " + this.line + ", column " + (this.column + 1) + ":", 'grey');
      }
      message += "\n" + error;
      if (this.callLine) {
          message += stylize('from ', 'red') + (this.filename || '') + "/n";
          message += stylize(this.callLine, 'grey') + " " + this.callExtract + "/n";
      }
      return message;
  };

  var Selector = function (elements, extendList, condition, index, currentFileInfo, visibilityInfo) {
      this.extendList = extendList;
      this.condition = condition;
      this.evaldCondition = !condition;
      this._index = index;
      this._fileInfo = currentFileInfo;
      this.elements = this.getElements(elements);
      this.mixinElements_ = undefined;
      this.copyVisibilityInfo(visibilityInfo);
      this.setParent(this.elements, this);
  };
  Selector.prototype = new Node();
  Selector.prototype.accept = function (visitor) {
      if (this.elements) {
          this.elements = visitor.visitArray(this.elements);
      }
      if (this.extendList) {
          this.extendList = visitor.visitArray(this.extendList);
      }
      if (this.condition) {
          this.condition = visitor.visit(this.condition);
      }
  };
  Selector.prototype.createDerived = function (elements, extendList, evaldCondition) {
      elements = this.getElements(elements);
      var newSelector = new Selector(elements, extendList || this.extendList, null, this.getIndex(), this.fileInfo(), this.visibilityInfo());
      newSelector.evaldCondition = (evaldCondition != null) ? evaldCondition : this.evaldCondition;
      newSelector.mediaEmpty = this.mediaEmpty;
      return newSelector;
  };
  Selector.prototype.getElements = function (els) {
      if (!els) {
          return [new Element('', '&', false, this._index, this._fileInfo)];
      }
      if (typeof els === 'string') {
          this.parse.parseNode(els, ['selector'], this._index, this._fileInfo, function (err, result) {
              if (err) {
                  throw new LessError({
                      index: err.index,
                      message: err.message
                  }, this.parse.imports, this._fileInfo.filename);
              }
              els = result[0].elements;
          });
      }
      return els;
  };
  Selector.prototype.createEmptySelectors = function () {
      var el = new Element('', '&', false, this._index, this._fileInfo);
      var sels = [new Selector([el], null, null, this._index, this._fileInfo)];
      sels[0].mediaEmpty = true;
      return sels;
  };
  Selector.prototype.match = function (other) {
      var elements = this.elements;
      var len = elements.length;
      var olen;
      var i;
      other = other.mixinElements();
      olen = other.length;
      if (olen === 0 || len < olen) {
          return 0;
      }
      else {
          for (i = 0; i < olen; i++) {
              if (elements[i].value !== other[i]) {
                  return 0;
              }
          }
      }
      return olen; // return number of matched elements
  };
  Selector.prototype.mixinElements = function () {
      if (this.mixinElements_) {
          return this.mixinElements_;
      }
      var elements = this.elements.map(function (v) { return v.combinator.value + (v.value.value || v.value); }).join('').match(/[,&#\*\.\w-]([\w-]|(\\.))*/g);
      if (elements) {
          if (elements[0] === '&') {
              elements.shift();
          }
      }
      else {
          elements = [];
      }
      return (this.mixinElements_ = elements);
  };
  Selector.prototype.isJustParentSelector = function () {
      return !this.mediaEmpty &&
          this.elements.length === 1 &&
          this.elements[0].value === '&' &&
          (this.elements[0].combinator.value === ' ' || this.elements[0].combinator.value === '');
  };
  Selector.prototype.eval = function (context) {
      var evaldCondition = this.condition && this.condition.eval(context);
      var elements = this.elements;
      var extendList = this.extendList;
      elements = elements && elements.map(function (e) { return e.eval(context); });
      extendList = extendList && extendList.map(function (extend) { return extend.eval(context); });
      return this.createDerived(elements, extendList, evaldCondition);
  };
  Selector.prototype.genCSS = function (context, output) {
      var i;
      var element;
      if ((!context || !context.firstSelector) && this.elements[0].combinator.value === '') {
          output.add(' ', this.fileInfo(), this.getIndex());
      }
      for (i = 0; i < this.elements.length; i++) {
          element = this.elements[i];
          element.genCSS(context, output);
      }
  };
  Selector.prototype.getIsOutput = function () {
      return this.evaldCondition;
  };
  Selector.prototype.type = 'Selector';

  var Value = function (value) {
      if (!value) {
          throw new Error('Value requires an array argument');
      }
      if (!Array.isArray(value)) {
          this.value = [value];
      }
      else {
          this.value = value;
      }
  };
  Value.prototype = new Node();
  Value.prototype.accept = function (visitor) {
      if (this.value) {
          this.value = visitor.visitArray(this.value);
      }
  };
  Value.prototype.eval = function (context) {
      if (this.value.length === 1) {
          return this.value[0].eval(context);
      }
      else {
          return new Value(this.value.map(function (v) { return v.eval(context); }));
      }
  };
  Value.prototype.genCSS = function (context, output) {
      var i;
      for (i = 0; i < this.value.length; i++) {
          this.value[i].genCSS(context, output);
          if (i + 1 < this.value.length) {
              output.add((context && context.compress) ? ',' : ', ');
          }
      }
  };
  Value.prototype.type = 'Value';

  var Keyword = function (value) {
      this.value = value;
  };
  Keyword.prototype = new Node();
  Keyword.prototype.genCSS = function (context, output) {
      if (this.value === '%') {
          throw { type: 'Syntax', message: 'Invalid % without number' };
      }
      output.add(this.value);
  };
  Keyword.prototype.type = 'Keyword';
  Keyword.True = new Keyword('true');
  Keyword.False = new Keyword('false');

  var Anonymous = function (value, index, currentFileInfo, mapLines, rulesetLike, visibilityInfo) {
      this.value = value;
      this._index = index;
      this._fileInfo = currentFileInfo;
      this.mapLines = mapLines;
      this.rulesetLike = (typeof rulesetLike === 'undefined') ? false : rulesetLike;
      this.allowRoot = true;
      this.copyVisibilityInfo(visibilityInfo);
  };
  Anonymous.prototype = new Node();
  Anonymous.prototype.eval = function () {
      return new Anonymous(this.value, this._index, this._fileInfo, this.mapLines, this.rulesetLike, this.visibilityInfo());
  };
  Anonymous.prototype.compare = function (other) {
      return other.toCSS && this.toCSS() === other.toCSS() ? 0 : undefined;
  };
  Anonymous.prototype.isRulesetLike = function () {
      return this.rulesetLike;
  };
  Anonymous.prototype.genCSS = function (context, output) {
      this.nodeVisible = Boolean(this.value);
      if (this.nodeVisible) {
          output.add(this.value, this._fileInfo, this._index, this.mapLines);
      }
  };
  Anonymous.prototype.type = 'Anonymous';

  var MATH = Math$1;
  var Declaration = function (name, value, important, merge, index, currentFileInfo, inline, variable) {
      this.name = name;
      this.value = (value instanceof Node) ? value : new Value([value ? new Anonymous(value) : null]);
      this.important = important ? " " + important.trim() : '';
      this.merge = merge;
      this._index = index;
      this._fileInfo = currentFileInfo;
      this.inline = inline || false;
      this.variable = (variable !== undefined) ? variable
          : (name.charAt && (name.charAt(0) === '@'));
      this.allowRoot = true;
      this.setParent(this.value, this);
  };
  Declaration.prototype = new Node();
  Declaration.prototype.genCSS = function (context, output) {
      output.add(this.name + (context.compress ? ':' : ': '), this.fileInfo(), this.getIndex());
      try {
          this.value.genCSS(context, output);
      }
      catch (e) {
          e.index = this._index;
          e.filename = this._fileInfo.filename;
          throw e;
      }
      output.add(this.important + ((this.inline || (context.lastRule && context.compress)) ? '' : ';'), this._fileInfo, this._index);
  };
  Declaration.prototype.eval = function (context) {
      var mathBypass = false;
      var prevMath;
      var name = this.name;
      var evaldValue;
      var variable = this.variable;
      if (typeof name !== 'string') {
          // expand 'primitive' name directly to get
          // things faster (~10% for benchmark.less):
          name = (name.length === 1) && (name[0] instanceof Keyword) ?
              name[0].value : evalName(context, name);
          variable = false; // never treat expanded interpolation as new variable name
      }
      // @todo remove when parens-division is default
      if (name === 'font' && context.math === MATH.ALWAYS) {
          mathBypass = true;
          prevMath = context.math;
          context.math = MATH.PARENS_DIVISION;
      }
      try {
          context.importantScope.push({});
          evaldValue = this.value.eval(context);
          if (!this.variable && evaldValue.type === 'DetachedRuleset') {
              throw { message: 'Rulesets cannot be evaluated on a property.',
                  index: this.getIndex(), filename: this.fileInfo().filename };
          }
          var important = this.important;
          var importantResult = context.importantScope.pop();
          if (!important && importantResult.important) {
              important = importantResult.important;
          }
          return new Declaration(name, evaldValue, important, this.merge, this.getIndex(), this.fileInfo(), this.inline, variable);
      }
      catch (e) {
          if (typeof e.index !== 'number') {
              e.index = this.getIndex();
              e.filename = this.fileInfo().filename;
          }
          throw e;
      }
      finally {
          if (mathBypass) {
              context.math = prevMath;
          }
      }
  };
  Declaration.prototype.makeImportant = function () {
      return new Declaration(this.name, this.value, '!important', this.merge, this.getIndex(), this.fileInfo(), this.inline);
  };
  function evalName(context, name) {
      var value = '';
      var i;
      var n = name.length;
      var output = { add: function (s) { value += s; } };
      for (i = 0; i < n; i++) {
          name[i].eval(context).genCSS(context, output);
      }
      return value;
  }
  Declaration.prototype.type = 'Declaration';

  var debugInfo = function (context, ctx, lineSeparator) {
      var result = '';
      if (context.dumpLineNumbers && !context.compress) {
          switch (context.dumpLineNumbers) {
              case 'comments':
                  result = debugInfo.asComment(ctx);
                  break;
              case 'mediaquery':
                  result = debugInfo.asMediaQuery(ctx);
                  break;
              case 'all':
                  result = debugInfo.asComment(ctx) + (lineSeparator || '') + debugInfo.asMediaQuery(ctx);
                  break;
          }
      }
      return result;
  };
  debugInfo.asComment = function (ctx) { return ctx.debugInfo ? "/* line " + ctx.debugInfo.lineNumber + ", " + ctx.debugInfo.fileName + " */\n" : ''; };
  debugInfo.asMediaQuery = function (ctx) {
      if (!ctx.debugInfo) {
          return '';
      }
      var filenameWithProtocol = ctx.debugInfo.fileName;
      if (!/^[a-z]+:\/\//i.test(filenameWithProtocol)) {
          filenameWithProtocol = "file://" + filenameWithProtocol;
      }
      return "@media -sass-debug-info{filename{font-family:" + filenameWithProtocol.replace(/([.:\/\\])/g, function (a) {
          if (a == '\\') {
              a = '\/';
          }
          return "\\" + a;
      }) + "}line{font-family:\\00003" + ctx.debugInfo.lineNumber + "}}\n";
  };

  var Comment = function (value, isLineComment, index, currentFileInfo) {
      this.value = value;
      this.isLineComment = isLineComment;
      this._index = index;
      this._fileInfo = currentFileInfo;
      this.allowRoot = true;
  };
  Comment.prototype = new Node();
  Comment.prototype.genCSS = function (context, output) {
      if (this.debugInfo) {
          output.add(debugInfo(context, this), this.fileInfo(), this.getIndex());
      }
      output.add(this.value);
  };
  Comment.prototype.isSilent = function (context) {
      var isCompressed = context.compress && this.value[2] !== '!';
      return this.isLineComment || isCompressed;
  };
  Comment.prototype.type = 'Comment';

  var contexts = {};
  var copyFromOriginal = function copyFromOriginal(original, destination, propertiesToCopy) {
      if (!original) {
          return;
      }
      for (var i = 0; i < propertiesToCopy.length; i++) {
          if (original.hasOwnProperty(propertiesToCopy[i])) {
              destination[propertiesToCopy[i]] = original[propertiesToCopy[i]];
          }
      }
  };
  /*
   parse is used whilst parsing
   */
  var parseCopyProperties = [
      // options
      'paths',
      'rewriteUrls',
      'rootpath',
      'strictImports',
      'insecure',
      'dumpLineNumbers',
      'compress',
      'syncImport',
      'chunkInput',
      'mime',
      'useFileCache',
      // context
      'processImports',
      // Used by the import manager to stop multiple import visitors being created.
      'pluginManager' // Used as the plugin manager for the session
  ];
  contexts.Parse = function (options) {
      copyFromOriginal(options, this, parseCopyProperties);
      if (typeof this.paths === 'string') {
          this.paths = [this.paths];
      }
  };
  var evalCopyProperties = [
      'paths',
      'compress',
      'math',
      'strictUnits',
      'sourceMap',
      'importMultiple',
      'urlArgs',
      'javascriptEnabled',
      'pluginManager',
      'importantScope',
      'rewriteUrls' // option - whether to adjust URL's to be relative
  ];
  function isPathRelative(path) {
      return !/^(?:[a-z-]+:|\/|#)/i.test(path);
  }
  function isPathLocalRelative(path) {
      return path.charAt(0) === '.';
  }
  contexts.Eval = /** @class */ (function () {
      function Eval(options, frames) {
          copyFromOriginal(options, this, evalCopyProperties);
          if (typeof this.paths === 'string') {
              this.paths = [this.paths];
          }
          this.frames = frames || [];
          this.importantScope = this.importantScope || [];
          this.inCalc = false;
          this.mathOn = true;
      }
      Eval.prototype.enterCalc = function () {
          if (!this.calcStack) {
              this.calcStack = [];
          }
          this.calcStack.push(true);
          this.inCalc = true;
      };
      Eval.prototype.exitCalc = function () {
          this.calcStack.pop();
          if (!this.calcStack.length) {
              this.inCalc = false;
          }
      };
      Eval.prototype.inParenthesis = function () {
          if (!this.parensStack) {
              this.parensStack = [];
          }
          this.parensStack.push(true);
      };
      Eval.prototype.outOfParenthesis = function () {
          this.parensStack.pop();
      };
      Eval.prototype.isMathOn = function (op) {
          if (!this.mathOn) {
              return false;
          }
          if (op === '/' && this.math !== Math$1.ALWAYS && (!this.parensStack || !this.parensStack.length)) {
              return false;
          }
          if (this.math > Math$1.PARENS_DIVISION) {
              return this.parensStack && this.parensStack.length;
          }
          return true;
      };
      Eval.prototype.pathRequiresRewrite = function (path) {
          var isRelative = this.rewriteUrls === RewriteUrls.LOCAL ? isPathLocalRelative : isPathRelative;
          return isRelative(path);
      };
      Eval.prototype.rewritePath = function (path, rootpath) {
          var newPath;
          rootpath = rootpath || '';
          newPath = this.normalizePath(rootpath + path);
          // If a path was explicit relative and the rootpath was not an absolute path
          // we must ensure that the new path is also explicit relative.
          if (isPathLocalRelative(path) &&
              isPathRelative(rootpath) &&
              isPathLocalRelative(newPath) === false) {
              newPath = "./" + newPath;
          }
          return newPath;
      };
      Eval.prototype.normalizePath = function (path) {
          var segments = path.split('/').reverse();
          var segment;
          path = [];
          while (segments.length !== 0) {
              segment = segments.pop();
              switch (segment) {
                  case '.':
                      break;
                  case '..':
                      if ((path.length === 0) || (path[path.length - 1] === '..')) {
                          path.push(segment);
                      }
                      else {
                          path.pop();
                      }
                      break;
                  default:
                      path.push(segment);
                      break;
              }
          }
          return path.join('/');
      };
      return Eval;
  }());

  function makeRegistry(base) {
      return {
          _data: {},
          add: function (name, func) {
              // precautionary case conversion, as later querying of
              // the registry by function-caller uses lower case as well.
              name = name.toLowerCase();
              if (this._data.hasOwnProperty(name)) ;
              this._data[name] = func;
          },
          addMultiple: function (functions) {
              var _this = this;
              Object.keys(functions).forEach(function (name) {
                  _this.add(name, functions[name]);
              });
          },
          get: function (name) {
              return this._data[name] || (base && base.get(name));
          },
          getLocalFunctions: function () {
              return this._data;
          },
          inherit: function () {
              return makeRegistry(this);
          },
          create: function (base) {
              return makeRegistry(base);
          }
      };
  }
  var functionRegistry = makeRegistry(null);

  var defaultFunc = {
      eval: function () {
          var v = this.value_;
          var e = this.error_;
          if (e) {
              throw e;
          }
          if (v != null) {
              return v ? Keyword.True : Keyword.False;
          }
      },
      value: function (v) {
          this.value_ = v;
      },
      error: function (e) {
          this.error_ = e;
      },
      reset: function () {
          this.value_ = this.error_ = null;
      }
  };

  var Ruleset = function (selectors, rules, strictImports, visibilityInfo) {
      this.selectors = selectors;
      this.rules = rules;
      this._lookups = {};
      this._variables = null;
      this._properties = null;
      this.strictImports = strictImports;
      this.copyVisibilityInfo(visibilityInfo);
      this.allowRoot = true;
      this.setParent(this.selectors, this);
      this.setParent(this.rules, this);
  };
  Ruleset.prototype = new Node();
  Ruleset.prototype.isRulesetLike = function () {
      return true;
  };
  Ruleset.prototype.accept = function (visitor) {
      if (this.paths) {
          this.paths = visitor.visitArray(this.paths, true);
      }
      else if (this.selectors) {
          this.selectors = visitor.visitArray(this.selectors);
      }
      if (this.rules && this.rules.length) {
          this.rules = visitor.visitArray(this.rules);
      }
  };
  Ruleset.prototype.eval = function (context) {
      var selectors;
      var selCnt;
      var selector;
      var i;
      var hasVariable;
      var hasOnePassingSelector = false;
      if (this.selectors && (selCnt = this.selectors.length)) {
          selectors = new Array(selCnt);
          defaultFunc.error({
              type: 'Syntax',
              message: 'it is currently only allowed in parametric mixin guards,'
          });
          for (i = 0; i < selCnt; i++) {
              selector = this.selectors[i].eval(context);
              for (var j = 0; j < selector.elements.length; j++) {
                  if (selector.elements[j].isVariable) {
                      hasVariable = true;
                      break;
                  }
              }
              selectors[i] = selector;
              if (selector.evaldCondition) {
                  hasOnePassingSelector = true;
              }
          }
          if (hasVariable) {
              var toParseSelectors = new Array(selCnt);
              for (i = 0; i < selCnt; i++) {
                  selector = selectors[i];
                  toParseSelectors[i] = selector.toCSS(context);
              }
              this.parse.parseNode(toParseSelectors.join(','), ["selectors"], selectors[0].getIndex(), selectors[0].fileInfo(), function (err, result) {
                  if (result) {
                      selectors = flattenArray(result);
                  }
              });
          }
          defaultFunc.reset();
      }
      else {
          hasOnePassingSelector = true;
      }
      var rules = this.rules ? copyArray(this.rules) : null;
      var ruleset = new Ruleset(selectors, rules, this.strictImports, this.visibilityInfo());
      var rule;
      var subRule;
      ruleset.originalRuleset = this;
      ruleset.root = this.root;
      ruleset.firstRoot = this.firstRoot;
      ruleset.allowImports = this.allowImports;
      if (this.debugInfo) {
          ruleset.debugInfo = this.debugInfo;
      }
      if (!hasOnePassingSelector) {
          rules.length = 0;
      }
      // inherit a function registry from the frames stack when possible;
      // otherwise from the global registry
      ruleset.functionRegistry = (function (frames) {
          var i = 0;
          var n = frames.length;
          var found;
          for (; i !== n; ++i) {
              found = frames[i].functionRegistry;
              if (found) {
                  return found;
              }
          }
          return functionRegistry;
      })(context.frames).inherit();
      // push the current ruleset to the frames stack
      var ctxFrames = context.frames;
      ctxFrames.unshift(ruleset);
      // currrent selectors
      var ctxSelectors = context.selectors;
      if (!ctxSelectors) {
          context.selectors = ctxSelectors = [];
      }
      ctxSelectors.unshift(this.selectors);
      // Evaluate imports
      if (ruleset.root || ruleset.allowImports || !ruleset.strictImports) {
          ruleset.evalImports(context);
      }
      // Store the frames around mixin definitions,
      // so they can be evaluated like closures when the time comes.
      var rsRules = ruleset.rules;
      for (i = 0; (rule = rsRules[i]); i++) {
          if (rule.evalFirst) {
              rsRules[i] = rule.eval(context);
          }
      }
      var mediaBlockCount = (context.mediaBlocks && context.mediaBlocks.length) || 0;
      // Evaluate mixin calls.
      for (i = 0; (rule = rsRules[i]); i++) {
          if (rule.type === 'MixinCall') {
              /* jshint loopfunc:true */
              rules = rule.eval(context).filter(function (r) {
                  if ((r instanceof Declaration) && r.variable) {
                      // do not pollute the scope if the variable is
                      // already there. consider returning false here
                      // but we need a way to "return" variable from mixins
                      return !(ruleset.variable(r.name));
                  }
                  return true;
              });
              rsRules.splice.apply(rsRules, [i, 1].concat(rules));
              i += rules.length - 1;
              ruleset.resetCache();
          }
          else if (rule.type === 'VariableCall') {
              /* jshint loopfunc:true */
              rules = rule.eval(context).rules.filter(function (r) {
                  if ((r instanceof Declaration) && r.variable) {
                      // do not pollute the scope at all
                      return false;
                  }
                  return true;
              });
              rsRules.splice.apply(rsRules, [i, 1].concat(rules));
              i += rules.length - 1;
              ruleset.resetCache();
          }
      }
      // Evaluate everything else
      for (i = 0; (rule = rsRules[i]); i++) {
          if (!rule.evalFirst) {
              rsRules[i] = rule = rule.eval ? rule.eval(context) : rule;
          }
      }
      // Evaluate everything else
      for (i = 0; (rule = rsRules[i]); i++) {
          // for rulesets, check if it is a css guard and can be removed
          if (rule instanceof Ruleset && rule.selectors && rule.selectors.length === 1) {
              // check if it can be folded in (e.g. & where)
              if (rule.selectors[0] && rule.selectors[0].isJustParentSelector()) {
                  rsRules.splice(i--, 1);
                  for (var j = 0; (subRule = rule.rules[j]); j++) {
                      if (subRule instanceof Node) {
                          subRule.copyVisibilityInfo(rule.visibilityInfo());
                          if (!(subRule instanceof Declaration) || !subRule.variable) {
                              rsRules.splice(++i, 0, subRule);
                          }
                      }
                  }
              }
          }
      }
      // Pop the stack
      ctxFrames.shift();
      ctxSelectors.shift();
      if (context.mediaBlocks) {
          for (i = mediaBlockCount; i < context.mediaBlocks.length; i++) {
              context.mediaBlocks[i].bubbleSelectors(selectors);
          }
      }
      return ruleset;
  };
  Ruleset.prototype.evalImports = function (context) {
      var rules = this.rules;
      var i;
      var importRules;
      if (!rules) {
          return;
      }
      for (i = 0; i < rules.length; i++) {
          if (rules[i].type === 'Import') {
              importRules = rules[i].eval(context);
              if (importRules && (importRules.length || importRules.length === 0)) {
                  rules.splice.apply(rules, [i, 1].concat(importRules));
                  i += importRules.length - 1;
              }
              else {
                  rules.splice(i, 1, importRules);
              }
              this.resetCache();
          }
      }
  };
  Ruleset.prototype.makeImportant = function () {
      var result = new Ruleset(this.selectors, this.rules.map(function (r) {
          if (r.makeImportant) {
              return r.makeImportant();
          }
          else {
              return r;
          }
      }), this.strictImports, this.visibilityInfo());
      return result;
  };
  Ruleset.prototype.matchArgs = function (args) {
      return !args || args.length === 0;
  };
  // lets you call a css selector with a guard
  Ruleset.prototype.matchCondition = function (args, context) {
      var lastSelector = this.selectors[this.selectors.length - 1];
      if (!lastSelector.evaldCondition) {
          return false;
      }
      if (lastSelector.condition &&
          !lastSelector.condition.eval(new contexts.Eval(context, context.frames))) {
          return false;
      }
      return true;
  };
  Ruleset.prototype.resetCache = function () {
      this._rulesets = null;
      this._variables = null;
      this._properties = null;
      this._lookups = {};
  };
  Ruleset.prototype.variables = function () {
      if (!this._variables) {
          this._variables = !this.rules ? {} : this.rules.reduce(function (hash, r) {
              if (r instanceof Declaration && r.variable === true) {
                  hash[r.name] = r;
              }
              // when evaluating variables in an import statement, imports have not been eval'd
              // so we need to go inside import statements.
              // guard against root being a string (in the case of inlined less)
              if (r.type === 'Import' && r.root && r.root.variables) {
                  var vars = r.root.variables();
                  for (var name_1 in vars) {
                      if (vars.hasOwnProperty(name_1)) {
                          hash[name_1] = r.root.variable(name_1);
                      }
                  }
              }
              return hash;
          }, {});
      }
      return this._variables;
  };
  Ruleset.prototype.properties = function () {
      if (!this._properties) {
          this._properties = !this.rules ? {} : this.rules.reduce(function (hash, r) {
              if (r instanceof Declaration && r.variable !== true) {
                  var name_2 = (r.name.length === 1) && (r.name[0] instanceof Keyword) ?
                      r.name[0].value : r.name;
                  // Properties don't overwrite as they can merge
                  if (!hash["$" + name_2]) {
                      hash["$" + name_2] = [r];
                  }
                  else {
                      hash["$" + name_2].push(r);
                  }
              }
              return hash;
          }, {});
      }
      return this._properties;
  };
  Ruleset.prototype.variable = function (name) {
      var decl = this.variables()[name];
      if (decl) {
          return this.parseValue(decl);
      }
  };
  Ruleset.prototype.property = function (name) {
      var decl = this.properties()[name];
      if (decl) {
          return this.parseValue(decl);
      }
  };
  Ruleset.prototype.lastDeclaration = function () {
      for (var i = this.rules.length; i > 0; i--) {
          var decl = this.rules[i - 1];
          if (decl instanceof Declaration) {
              return this.parseValue(decl);
          }
      }
  };
  Ruleset.prototype.parseValue = function (toParse) {
      var self = this;
      function transformDeclaration(decl) {
          if (decl.value instanceof Anonymous && !decl.parsed) {
              if (typeof decl.value.value === 'string') {
                  this.parse.parseNode(decl.value.value, ['value', 'important'], decl.value.getIndex(), decl.fileInfo(), function (err, result) {
                      if (err) {
                          decl.parsed = true;
                      }
                      if (result) {
                          decl.value = result[0];
                          decl.important = result[1] || '';
                          decl.parsed = true;
                      }
                  });
              }
              else {
                  decl.parsed = true;
              }
              return decl;
          }
          else {
              return decl;
          }
      }
      if (!Array.isArray(toParse)) {
          return transformDeclaration.call(self, toParse);
      }
      else {
          var nodes_1 = [];
          toParse.forEach(function (n) {
              nodes_1.push(transformDeclaration.call(self, n));
          });
          return nodes_1;
      }
  };
  Ruleset.prototype.rulesets = function () {
      if (!this.rules) {
          return [];
      }
      var filtRules = [];
      var rules = this.rules;
      var i;
      var rule;
      for (i = 0; (rule = rules[i]); i++) {
          if (rule.isRuleset) {
              filtRules.push(rule);
          }
      }
      return filtRules;
  };
  Ruleset.prototype.prependRule = function (rule) {
      var rules = this.rules;
      if (rules) {
          rules.unshift(rule);
      }
      else {
          this.rules = [rule];
      }
      this.setParent(rule, this);
  };
  Ruleset.prototype.find = function (selector, self, filter) {
      if (self === void 0) { self = this; }
      var rules = [];
      var match;
      var foundMixins;
      var key = selector.toCSS();
      if (key in this._lookups) {
          return this._lookups[key];
      }
      this.rulesets().forEach(function (rule) {
          if (rule !== self) {
              for (var j = 0; j < rule.selectors.length; j++) {
                  match = selector.match(rule.selectors[j]);
                  if (match) {
                      if (selector.elements.length > match) {
                          if (!filter || filter(rule)) {
                              foundMixins = rule.find(new Selector(selector.elements.slice(match)), self, filter);
                              for (var i = 0; i < foundMixins.length; ++i) {
                                  foundMixins[i].path.push(rule);
                              }
                              Array.prototype.push.apply(rules, foundMixins);
                          }
                      }
                      else {
                          rules.push({ rule: rule, path: [] });
                      }
                      break;
                  }
              }
          }
      });
      this._lookups[key] = rules;
      return rules;
  };
  Ruleset.prototype.genCSS = function (context, output) {
      var i;
      var j;
      var charsetRuleNodes = [];
      var ruleNodes = [];
      var // Line number debugging
      debugInfo$1;
      var rule;
      var path;
      context.tabLevel = (context.tabLevel || 0);
      if (!this.root) {
          context.tabLevel++;
      }
      var tabRuleStr = context.compress ? '' : Array(context.tabLevel + 1).join('  ');
      var tabSetStr = context.compress ? '' : Array(context.tabLevel).join('  ');
      var sep;
      var charsetNodeIndex = 0;
      var importNodeIndex = 0;
      for (i = 0; (rule = this.rules[i]); i++) {
          if (rule instanceof Comment) {
              if (importNodeIndex === i) {
                  importNodeIndex++;
              }
              ruleNodes.push(rule);
          }
          else if (rule.isCharset && rule.isCharset()) {
              ruleNodes.splice(charsetNodeIndex, 0, rule);
              charsetNodeIndex++;
              importNodeIndex++;
          }
          else if (rule.type === 'Import') {
              ruleNodes.splice(importNodeIndex, 0, rule);
              importNodeIndex++;
          }
          else {
              ruleNodes.push(rule);
          }
      }
      ruleNodes = charsetRuleNodes.concat(ruleNodes);
      // If this is the root node, we don't render
      // a selector, or {}.
      if (!this.root) {
          debugInfo$1 = debugInfo(context, this, tabSetStr);
          if (debugInfo$1) {
              output.add(debugInfo$1);
              output.add(tabSetStr);
          }
          var paths = this.paths;
          var pathCnt = paths.length;
          var pathSubCnt = void 0;
          sep = context.compress ? ',' : (",\n" + tabSetStr);
          for (i = 0; i < pathCnt; i++) {
              path = paths[i];
              if (!(pathSubCnt = path.length)) {
                  continue;
              }
              if (i > 0) {
                  output.add(sep);
              }
              context.firstSelector = true;
              path[0].genCSS(context, output);
              context.firstSelector = false;
              for (j = 1; j < pathSubCnt; j++) {
                  path[j].genCSS(context, output);
              }
          }
          output.add((context.compress ? '{' : ' {\n') + tabRuleStr);
      }
      // Compile rules and rulesets
      for (i = 0; (rule = ruleNodes[i]); i++) {
          if (i + 1 === ruleNodes.length) {
              context.lastRule = true;
          }
          var currentLastRule = context.lastRule;
          if (rule.isRulesetLike(rule)) {
              context.lastRule = false;
          }
          if (rule.genCSS) {
              rule.genCSS(context, output);
          }
          else if (rule.value) {
              output.add(rule.value.toString());
          }
          context.lastRule = currentLastRule;
          if (!context.lastRule && rule.isVisible()) {
              output.add(context.compress ? '' : ("\n" + tabRuleStr));
          }
          else {
              context.lastRule = false;
          }
      }
      if (!this.root) {
          output.add((context.compress ? '}' : "\n" + tabSetStr + "}"));
          context.tabLevel--;
      }
      if (!output.isEmpty() && !context.compress && this.firstRoot) {
          output.add('\n');
      }
  };
  Ruleset.prototype.joinSelectors = function (paths, context, selectors) {
      for (var s = 0; s < selectors.length; s++) {
          this.joinSelector(paths, context, selectors[s]);
      }
  };
  Ruleset.prototype.joinSelector = function (paths, context, selector) {
      function createParenthesis(elementsToPak, originalElement) {
          var replacementParen;
          var j;
          if (elementsToPak.length === 0) {
              replacementParen = new Paren(elementsToPak[0]);
          }
          else {
              var insideParent = new Array(elementsToPak.length);
              for (j = 0; j < elementsToPak.length; j++) {
                  insideParent[j] = new Element(null, elementsToPak[j], originalElement.isVariable, originalElement._index, originalElement._fileInfo);
              }
              replacementParen = new Paren(new Selector(insideParent));
          }
          return replacementParen;
      }
      function createSelector(containedElement, originalElement) {
          var element;
          var selector;
          element = new Element(null, containedElement, originalElement.isVariable, originalElement._index, originalElement._fileInfo);
          selector = new Selector([element]);
          return selector;
      }
      // joins selector path from `beginningPath` with selector path in `addPath`
      // `replacedElement` contains element that is being replaced by `addPath`
      // returns concatenated path
      function addReplacementIntoPath(beginningPath, addPath, replacedElement, originalSelector) {
          var newSelectorPath;
          var lastSelector;
          var newJoinedSelector;
          // our new selector path
          newSelectorPath = [];
          // construct the joined selector - if & is the first thing this will be empty,
          // if not newJoinedSelector will be the last set of elements in the selector
          if (beginningPath.length > 0) {
              newSelectorPath = copyArray(beginningPath);
              lastSelector = newSelectorPath.pop();
              newJoinedSelector = originalSelector.createDerived(copyArray(lastSelector.elements));
          }
          else {
              newJoinedSelector = originalSelector.createDerived([]);
          }
          if (addPath.length > 0) {
              // /deep/ is a CSS4 selector - (removed, so should deprecate)
              // that is valid without anything in front of it
              // so if the & does not have a combinator that is "" or " " then
              // and there is a combinator on the parent, then grab that.
              // this also allows + a { & .b { .a & { ... though not sure why you would want to do that
              var combinator = replacedElement.combinator;
              var parentEl = addPath[0].elements[0];
              if (combinator.emptyOrWhitespace && !parentEl.combinator.emptyOrWhitespace) {
                  combinator = parentEl.combinator;
              }
              // join the elements so far with the first part of the parent
              newJoinedSelector.elements.push(new Element(combinator, parentEl.value, replacedElement.isVariable, replacedElement._index, replacedElement._fileInfo));
              newJoinedSelector.elements = newJoinedSelector.elements.concat(addPath[0].elements.slice(1));
          }
          // now add the joined selector - but only if it is not empty
          if (newJoinedSelector.elements.length !== 0) {
              newSelectorPath.push(newJoinedSelector);
          }
          // put together the parent selectors after the join (e.g. the rest of the parent)
          if (addPath.length > 1) {
              var restOfPath = addPath.slice(1);
              restOfPath = restOfPath.map(function (selector) { return selector.createDerived(selector.elements, []); });
              newSelectorPath = newSelectorPath.concat(restOfPath);
          }
          return newSelectorPath;
      }
      // joins selector path from `beginningPath` with every selector path in `addPaths` array
      // `replacedElement` contains element that is being replaced by `addPath`
      // returns array with all concatenated paths
      function addAllReplacementsIntoPath(beginningPath, addPaths, replacedElement, originalSelector, result) {
          var j;
          for (j = 0; j < beginningPath.length; j++) {
              var newSelectorPath = addReplacementIntoPath(beginningPath[j], addPaths, replacedElement, originalSelector);
              result.push(newSelectorPath);
          }
          return result;
      }
      function mergeElementsOnToSelectors(elements, selectors) {
          var i;
          var sel;
          if (elements.length === 0) {
              return;
          }
          if (selectors.length === 0) {
              selectors.push([new Selector(elements)]);
              return;
          }
          for (i = 0; (sel = selectors[i]); i++) {
              // if the previous thing in sel is a parent this needs to join on to it
              if (sel.length > 0) {
                  sel[sel.length - 1] = sel[sel.length - 1].createDerived(sel[sel.length - 1].elements.concat(elements));
              }
              else {
                  sel.push(new Selector(elements));
              }
          }
      }
      // replace all parent selectors inside `inSelector` by content of `context` array
      // resulting selectors are returned inside `paths` array
      // returns true if `inSelector` contained at least one parent selector
      function replaceParentSelector(paths, context, inSelector) {
          // The paths are [[Selector]]
          // The first list is a list of comma separated selectors
          // The inner list is a list of inheritance separated selectors
          // e.g.
          // .a, .b {
          //   .c {
          //   }
          // }
          // == [[.a] [.c]] [[.b] [.c]]
          //
          var i;
          var j;
          var k;
          var currentElements;
          var newSelectors;
          var selectorsMultiplied;
          var sel;
          var el;
          var hadParentSelector = false;
          var length;
          var lastSelector;
          function findNestedSelector(element) {
              var maybeSelector;
              if (!(element.value instanceof Paren)) {
                  return null;
              }
              maybeSelector = element.value.value;
              if (!(maybeSelector instanceof Selector)) {
                  return null;
              }
              return maybeSelector;
          }
          // the elements from the current selector so far
          currentElements = [];
          // the current list of new selectors to add to the path.
          // We will build it up. We initiate it with one empty selector as we "multiply" the new selectors
          // by the parents
          newSelectors = [
              []
          ];
          for (i = 0; (el = inSelector.elements[i]); i++) {
              // non parent reference elements just get added
              if (el.value !== '&') {
                  var nestedSelector = findNestedSelector(el);
                  if (nestedSelector != null) {
                      // merge the current list of non parent selector elements
                      // on to the current list of selectors to add
                      mergeElementsOnToSelectors(currentElements, newSelectors);
                      var nestedPaths = [];
                      var replaced = void 0;
                      var replacedNewSelectors = [];
                      replaced = replaceParentSelector(nestedPaths, context, nestedSelector);
                      hadParentSelector = hadParentSelector || replaced;
                      // the nestedPaths array should have only one member - replaceParentSelector does not multiply selectors
                      for (k = 0; k < nestedPaths.length; k++) {
                          var replacementSelector = createSelector(createParenthesis(nestedPaths[k], el), el);
                          addAllReplacementsIntoPath(newSelectors, [replacementSelector], el, inSelector, replacedNewSelectors);
                      }
                      newSelectors = replacedNewSelectors;
                      currentElements = [];
                  }
                  else {
                      currentElements.push(el);
                  }
              }
              else {
                  hadParentSelector = true;
                  // the new list of selectors to add
                  selectorsMultiplied = [];
                  // merge the current list of non parent selector elements
                  // on to the current list of selectors to add
                  mergeElementsOnToSelectors(currentElements, newSelectors);
                  // loop through our current selectors
                  for (j = 0; j < newSelectors.length; j++) {
                      sel = newSelectors[j];
                      // if we don't have any parent paths, the & might be in a mixin so that it can be used
                      // whether there are parents or not
                      if (context.length === 0) {
                          // the combinator used on el should now be applied to the next element instead so that
                          // it is not lost
                          if (sel.length > 0) {
                              sel[0].elements.push(new Element(el.combinator, '', el.isVariable, el._index, el._fileInfo));
                          }
                          selectorsMultiplied.push(sel);
                      }
                      else {
                          // and the parent selectors
                          for (k = 0; k < context.length; k++) {
                              // We need to put the current selectors
                              // then join the last selector's elements on to the parents selectors
                              var newSelectorPath = addReplacementIntoPath(sel, context[k], el, inSelector);
                              // add that to our new set of selectors
                              selectorsMultiplied.push(newSelectorPath);
                          }
                      }
                  }
                  // our new selectors has been multiplied, so reset the state
                  newSelectors = selectorsMultiplied;
                  currentElements = [];
              }
          }
          // if we have any elements left over (e.g. .a& .b == .b)
          // add them on to all the current selectors
          mergeElementsOnToSelectors(currentElements, newSelectors);
          for (i = 0; i < newSelectors.length; i++) {
              length = newSelectors[i].length;
              if (length > 0) {
                  paths.push(newSelectors[i]);
                  lastSelector = newSelectors[i][length - 1];
                  newSelectors[i][length - 1] = lastSelector.createDerived(lastSelector.elements, inSelector.extendList);
              }
          }
          return hadParentSelector;
      }
      function deriveSelector(visibilityInfo, deriveFrom) {
          var newSelector = deriveFrom.createDerived(deriveFrom.elements, deriveFrom.extendList, deriveFrom.evaldCondition);
          newSelector.copyVisibilityInfo(visibilityInfo);
          return newSelector;
      }
      // joinSelector code follows
      var i;
      var newPaths;
      var hadParentSelector;
      newPaths = [];
      hadParentSelector = replaceParentSelector(newPaths, context, selector);
      if (!hadParentSelector) {
          if (context.length > 0) {
              newPaths = [];
              for (i = 0; i < context.length; i++) {
                  var concatenated = context[i].map(deriveSelector.bind(this, selector.visibilityInfo()));
                  concatenated.push(selector);
                  newPaths.push(concatenated);
              }
          }
          else {
              newPaths = [[selector]];
          }
      }
      for (i = 0; i < newPaths.length; i++) {
          paths.push(newPaths[i]);
      }
  };
  Ruleset.prototype.type = 'Ruleset';
  Ruleset.prototype.isRuleset = true;

  var AtRule = function (name, value, rules, index, currentFileInfo, debugInfo, isRooted, visibilityInfo) {
      var i;
      this.name = name;
      this.value = (value instanceof Node) ? value : (value ? new Anonymous(value) : value);
      if (rules) {
          if (Array.isArray(rules)) {
              this.rules = rules;
          }
          else {
              this.rules = [rules];
              this.rules[0].selectors = (new Selector([], null, null, index, currentFileInfo)).createEmptySelectors();
          }
          for (i = 0; i < this.rules.length; i++) {
              this.rules[i].allowImports = true;
          }
          this.setParent(this.rules, this);
      }
      this._index = index;
      this._fileInfo = currentFileInfo;
      this.debugInfo = debugInfo;
      this.isRooted = isRooted || false;
      this.copyVisibilityInfo(visibilityInfo);
      this.allowRoot = true;
  };
  AtRule.prototype = new Node();
  AtRule.prototype.accept = function (visitor) {
      var value = this.value;
      var rules = this.rules;
      if (rules) {
          this.rules = visitor.visitArray(rules);
      }
      if (value) {
          this.value = visitor.visit(value);
      }
  };
  AtRule.prototype.isRulesetLike = function () {
      return this.rules || !this.isCharset();
  };
  AtRule.prototype.isCharset = function () {
      return '@charset' === this.name;
  };
  AtRule.prototype.genCSS = function (context, output) {
      var value = this.value;
      var rules = this.rules;
      output.add(this.name, this.fileInfo(), this.getIndex());
      if (value) {
          output.add(' ');
          value.genCSS(context, output);
      }
      if (rules) {
          this.outputRuleset(context, output, rules);
      }
      else {
          output.add(';');
      }
  };
  AtRule.prototype.eval = function (context) {
      var mediaPathBackup;
      var mediaBlocksBackup;
      var value = this.value;
      var rules = this.rules;
      // media stored inside other atrule should not bubble over it
      // backpup media bubbling information
      mediaPathBackup = context.mediaPath;
      mediaBlocksBackup = context.mediaBlocks;
      // deleted media bubbling information
      context.mediaPath = [];
      context.mediaBlocks = [];
      if (value) {
          value = value.eval(context);
      }
      if (rules) {
          // assuming that there is only one rule at this point - that is how parser constructs the rule
          rules = [rules[0].eval(context)];
          rules[0].root = true;
      }
      // restore media bubbling information
      context.mediaPath = mediaPathBackup;
      context.mediaBlocks = mediaBlocksBackup;
      return new AtRule(this.name, value, rules, this.getIndex(), this.fileInfo(), this.debugInfo, this.isRooted, this.visibilityInfo());
  };
  AtRule.prototype.variable = function (name) {
      if (this.rules) {
          // assuming that there is only one rule at this point - that is how parser constructs the rule
          return Ruleset.prototype.variable.call(this.rules[0], name);
      }
  };
  AtRule.prototype.find = function () {
      var args = [];
      for (var _i = 0; _i < arguments.length; _i++) {
          args[_i] = arguments[_i];
      }
      if (this.rules) {
          // assuming that there is only one rule at this point - that is how parser constructs the rule
          return Ruleset.prototype.find.apply(this.rules[0], args);
      }
  };
  AtRule.prototype.rulesets = function () {
      if (this.rules) {
          // assuming that there is only one rule at this point - that is how parser constructs the rule
          return Ruleset.prototype.rulesets.apply(this.rules[0]);
      }
  };
  AtRule.prototype.outputRuleset = function (context, output, rules) {
      var ruleCnt = rules.length;
      var i;
      context.tabLevel = (context.tabLevel | 0) + 1;
      // Compressed
      if (context.compress) {
          output.add('{');
          for (i = 0; i < ruleCnt; i++) {
              rules[i].genCSS(context, output);
          }
          output.add('}');
          context.tabLevel--;
          return;
      }
      // Non-compressed
      var tabSetStr = "\n" + Array(context.tabLevel).join('  ');
      var tabRuleStr = tabSetStr + "  ";
      if (!ruleCnt) {
          output.add(" {" + tabSetStr + "}");
      }
      else {
          output.add(" {" + tabRuleStr);
          rules[0].genCSS(context, output);
          for (i = 1; i < ruleCnt; i++) {
              output.add(tabRuleStr);
              rules[i].genCSS(context, output);
          }
          output.add(tabSetStr + "}");
      }
      context.tabLevel--;
  };
  AtRule.prototype.type = 'AtRule';

  var DetachedRuleset = function (ruleset, frames) {
      this.ruleset = ruleset;
      this.frames = frames;
      this.setParent(this.ruleset, this);
  };
  DetachedRuleset.prototype = new Node();
  DetachedRuleset.prototype.accept = function (visitor) {
      this.ruleset = visitor.visit(this.ruleset);
  };
  DetachedRuleset.prototype.eval = function (context) {
      var frames = this.frames || copyArray(context.frames);
      return new DetachedRuleset(this.ruleset, frames);
  };
  DetachedRuleset.prototype.callEval = function (context) {
      return this.ruleset.eval(this.frames ? new contexts.Eval(context, this.frames.concat(context.frames)) : context);
  };
  DetachedRuleset.prototype.type = 'DetachedRuleset';
  DetachedRuleset.prototype.evalFirst = true;

  var Unit = function (numerator, denominator, backupUnit) {
      this.numerator = numerator ? copyArray(numerator).sort() : [];
      this.denominator = denominator ? copyArray(denominator).sort() : [];
      if (backupUnit) {
          this.backupUnit = backupUnit;
      }
      else if (numerator && numerator.length) {
          this.backupUnit = numerator[0];
      }
  };
  Unit.prototype = new Node();
  Unit.prototype.clone = function () {
      return new Unit(copyArray(this.numerator), copyArray(this.denominator), this.backupUnit);
  };
  Unit.prototype.genCSS = function (context, output) {
      // Dimension checks the unit is singular and throws an error if in strict math mode.
      var strictUnits = context && context.strictUnits;
      if (this.numerator.length === 1) {
          output.add(this.numerator[0]); // the ideal situation
      }
      else if (!strictUnits && this.backupUnit) {
          output.add(this.backupUnit);
      }
      else if (!strictUnits && this.denominator.length) {
          output.add(this.denominator[0]);
      }
  };
  Unit.prototype.toString = function () {
      var i;
      var returnStr = this.numerator.join('*');
      for (i = 0; i < this.denominator.length; i++) {
          returnStr += "/" + this.denominator[i];
      }
      return returnStr;
  };
  Unit.prototype.compare = function (other) {
      return this.is(other.toString()) ? 0 : undefined;
  };
  Unit.prototype.is = function (unitString) {
      return this.toString().toUpperCase() === unitString.toUpperCase();
  };
  Unit.prototype.isLength = function () {
      return RegExp('^(px|em|ex|ch|rem|in|cm|mm|pc|pt|ex|vw|vh|vmin|vmax)$', 'gi').test(this.toCSS());
  };
  Unit.prototype.isEmpty = function () {
      return this.numerator.length === 0 && this.denominator.length === 0;
  };
  Unit.prototype.isSingular = function () {
      return this.numerator.length <= 1 && this.denominator.length === 0;
  };
  Unit.prototype.map = function (callback) {
      var i;
      for (i = 0; i < this.numerator.length; i++) {
          this.numerator[i] = callback(this.numerator[i], false);
      }
      for (i = 0; i < this.denominator.length; i++) {
          this.denominator[i] = callback(this.denominator[i], true);
      }
  };
  Unit.prototype.usedUnits = function () {
      var group;
      var result = {};
      var mapUnit;
      var groupName;
      mapUnit = function (atomicUnit) {
          /* jshint loopfunc:true */
          if (group.hasOwnProperty(atomicUnit) && !result[groupName]) {
              result[groupName] = atomicUnit;
          }
          return atomicUnit;
      };
      for (groupName in unitConversions) {
          if (unitConversions.hasOwnProperty(groupName)) {
              group = unitConversions[groupName];
              this.map(mapUnit);
          }
      }
      return result;
  };
  Unit.prototype.cancel = function () {
      var counter = {};
      var atomicUnit;
      var i;
      for (i = 0; i < this.numerator.length; i++) {
          atomicUnit = this.numerator[i];
          counter[atomicUnit] = (counter[atomicUnit] || 0) + 1;
      }
      for (i = 0; i < this.denominator.length; i++) {
          atomicUnit = this.denominator[i];
          counter[atomicUnit] = (counter[atomicUnit] || 0) - 1;
      }
      this.numerator = [];
      this.denominator = [];
      for (atomicUnit in counter) {
          if (counter.hasOwnProperty(atomicUnit)) {
              var count = counter[atomicUnit];
              if (count > 0) {
                  for (i = 0; i < count; i++) {
                      this.numerator.push(atomicUnit);
                  }
              }
              else if (count < 0) {
                  for (i = 0; i < -count; i++) {
                      this.denominator.push(atomicUnit);
                  }
              }
          }
      }
      this.numerator.sort();
      this.denominator.sort();
  };
  Unit.prototype.type = 'Unit';

  //
  // A number with a unit
  //
  var Dimension = function (value, unit) {
      this.value = parseFloat(value);
      if (isNaN(this.value)) {
          throw new Error('Dimension is not a number.');
      }
      this.unit = (unit && unit instanceof Unit) ? unit :
          new Unit(unit ? [unit] : undefined);
      this.setParent(this.unit, this);
  };
  Dimension.prototype = new Node();
  Dimension.prototype.accept = function (visitor) {
      this.unit = visitor.visit(this.unit);
  };
  Dimension.prototype.eval = function (context) {
      return this;
  };
  Dimension.prototype.toColor = function () {
      return new Color([this.value, this.value, this.value]);
  };
  Dimension.prototype.genCSS = function (context, output) {
      if ((context && context.strictUnits) && !this.unit.isSingular()) {
          throw new Error("Multiple units in dimension. Correct the units or use the unit function. Bad unit: " + this.unit.toString());
      }
      var value = this.fround(context, this.value);
      var strValue = String(value);
      if (value !== 0 && value < 0.000001 && value > -0.000001) {
          // would be output 1e-6 etc.
          strValue = value.toFixed(20).replace(/0+$/, '');
      }
      if (context && context.compress) {
          // Zero values doesn't need a unit
          if (value === 0 && this.unit.isLength()) {
              output.add(strValue);
              return;
          }
          // Float values doesn't need a leading zero
          if (value > 0 && value < 1) {
              strValue = (strValue).substr(1);
          }
      }
      output.add(strValue);
      this.unit.genCSS(context, output);
  };
  // In an operation between two Dimensions,
  // we default to the first Dimension's unit,
  // so `1px + 2` will yield `3px`.
  Dimension.prototype.operate = function (context, op, other) {
      /* jshint noempty:false */
      var value = this._operate(context, op, this.value, other.value);
      var unit = this.unit.clone();
      if (op === '+' || op === '-') {
          if (unit.numerator.length === 0 && unit.denominator.length === 0) {
              unit = other.unit.clone();
              if (this.unit.backupUnit) {
                  unit.backupUnit = this.unit.backupUnit;
              }
          }
          else if (other.unit.numerator.length === 0 && unit.denominator.length === 0) ;
          else {
              other = other.convertTo(this.unit.usedUnits());
              if (context.strictUnits && other.unit.toString() !== unit.toString()) {
                  throw new Error("Incompatible units. Change the units or use the unit function. " +
                      ("Bad units: '" + unit.toString() + "' and '" + other.unit.toString() + "'."));
              }
              value = this._operate(context, op, this.value, other.value);
          }
      }
      else if (op === '*') {
          unit.numerator = unit.numerator.concat(other.unit.numerator).sort();
          unit.denominator = unit.denominator.concat(other.unit.denominator).sort();
          unit.cancel();
      }
      else if (op === '/') {
          unit.numerator = unit.numerator.concat(other.unit.denominator).sort();
          unit.denominator = unit.denominator.concat(other.unit.numerator).sort();
          unit.cancel();
      }
      return new Dimension(value, unit);
  };
  Dimension.prototype.compare = function (other) {
      var a;
      var b;
      if (!(other instanceof Dimension)) {
          return undefined;
      }
      if (this.unit.isEmpty() || other.unit.isEmpty()) {
          a = this;
          b = other;
      }
      else {
          a = this.unify();
          b = other.unify();
          if (a.unit.compare(b.unit) !== 0) {
              return undefined;
          }
      }
      return Node.numericCompare(a.value, b.value);
  };
  Dimension.prototype.unify = function () {
      return this.convertTo({ length: 'px', duration: 's', angle: 'rad' });
  };
  Dimension.prototype.convertTo = function (conversions) {
      var value = this.value;
      var unit = this.unit.clone();
      var i;
      var groupName;
      var group;
      var targetUnit;
      var derivedConversions = {};
      var applyUnit;
      if (typeof conversions === 'string') {
          for (i in unitConversions) {
              if (unitConversions[i].hasOwnProperty(conversions)) {
                  derivedConversions = {};
                  derivedConversions[i] = conversions;
              }
          }
          conversions = derivedConversions;
      }
      applyUnit = function (atomicUnit, denominator) {
          /* jshint loopfunc:true */
          if (group.hasOwnProperty(atomicUnit)) {
              if (denominator) {
                  value = value / (group[atomicUnit] / group[targetUnit]);
              }
              else {
                  value = value * (group[atomicUnit] / group[targetUnit]);
              }
              return targetUnit;
          }
          return atomicUnit;
      };
      for (groupName in conversions) {
          if (conversions.hasOwnProperty(groupName)) {
              targetUnit = conversions[groupName];
              group = unitConversions[groupName];
              unit.map(applyUnit);
          }
      }
      unit.cancel();
      return new Dimension(value, unit);
  };
  Dimension.prototype.type = 'Dimension';

  var MATH$1 = Math$1;
  var Operation = function (op, operands, isSpaced) {
      this.op = op.trim();
      this.operands = operands;
      this.isSpaced = isSpaced;
  };
  Operation.prototype = new Node();
  Operation.prototype.accept = function (visitor) {
      this.operands = visitor.visitArray(this.operands);
  };
  Operation.prototype.eval = function (context) {
      var a = this.operands[0].eval(context);
      var b = this.operands[1].eval(context);
      var op;
      if (context.isMathOn(this.op)) {
          op = this.op === './' ? '/' : this.op;
          if (a instanceof Dimension && b instanceof Color) {
              a = a.toColor();
          }
          if (b instanceof Dimension && a instanceof Color) {
              b = b.toColor();
          }
          if (!a.operate) {
              if (a instanceof Operation && a.op === '/' && context.math === MATH$1.PARENS_DIVISION) {
                  return new Operation(this.op, [a, b], this.isSpaced);
              }
              throw { type: 'Operation',
                  message: 'Operation on an invalid type' };
          }
          return a.operate(context, op, b);
      }
      else {
          return new Operation(this.op, [a, b], this.isSpaced);
      }
  };
  Operation.prototype.genCSS = function (context, output) {
      this.operands[0].genCSS(context, output);
      if (this.isSpaced) {
          output.add(' ');
      }
      output.add(this.op);
      if (this.isSpaced) {
          output.add(' ');
      }
      this.operands[1].genCSS(context, output);
  };
  Operation.prototype.type = 'Operation';

  var MATH$2 = Math$1;
  var Expression = function (value, noSpacing) {
      this.value = value;
      this.noSpacing = noSpacing;
      if (!value) {
          throw new Error('Expression requires an array parameter');
      }
  };
  Expression.prototype = new Node();
  Expression.prototype.accept = function (visitor) {
      this.value = visitor.visitArray(this.value);
  };
  Expression.prototype.eval = function (context) {
      var returnValue;
      var mathOn = context.isMathOn();
      var inParenthesis = this.parens &&
          (context.math !== MATH$2.STRICT_LEGACY || !this.parensInOp);
      var doubleParen = false;
      if (inParenthesis) {
          context.inParenthesis();
      }
      if (this.value.length > 1) {
          returnValue = new Expression(this.value.map(function (e) {
              if (!e.eval) {
                  return e;
              }
              return e.eval(context);
          }), this.noSpacing);
      }
      else if (this.value.length === 1) {
          if (this.value[0].parens && !this.value[0].parensInOp && !context.inCalc) {
              doubleParen = true;
          }
          returnValue = this.value[0].eval(context);
      }
      else {
          returnValue = this;
      }
      if (inParenthesis) {
          context.outOfParenthesis();
      }
      if (this.parens && this.parensInOp && !mathOn && !doubleParen
          && (!(returnValue instanceof Dimension))) {
          returnValue = new Paren(returnValue);
      }
      return returnValue;
  };
  Expression.prototype.genCSS = function (context, output) {
      for (var i = 0; i < this.value.length; i++) {
          this.value[i].genCSS(context, output);
          if (!this.noSpacing && i + 1 < this.value.length) {
              output.add(' ');
          }
      }
  };
  Expression.prototype.throwAwayComments = function () {
      this.value = this.value.filter(function (v) { return !(v instanceof Comment); });
  };
  Expression.prototype.type = 'Expression';

  var functionCaller = /** @class */ (function () {
      function functionCaller(name, context, index, currentFileInfo) {
          this.name = name.toLowerCase();
          this.index = index;
          this.context = context;
          this.currentFileInfo = currentFileInfo;
          this.func = context.frames[0].functionRegistry.get(this.name);
      }
      functionCaller.prototype.isValid = function () {
          return Boolean(this.func);
      };
      functionCaller.prototype.call = function (args) {
          var _this = this;
          var evalArgs = this.func.evalArgs;
          if (evalArgs !== false) {
              args = args.map(function (a) { return a.eval(_this.context); });
          }
          // This code is terrible and should be replaced as per this issue...
          // https://github.com/less/less.js/issues/2477
          if (Array.isArray(args)) {
              args = args.filter(function (item) {
                  if (item.type === 'Comment') {
                      return false;
                  }
                  return true;
              })
                  .map(function (item) {
                  if (item.type === 'Expression') {
                      var subNodes = item.value.filter(function (item) {
                          if (item.type === 'Comment') {
                              return false;
                          }
                          return true;
                      });
                      if (subNodes.length === 1) {
                          return subNodes[0];
                      }
                      else {
                          return new Expression(subNodes);
                      }
                  }
                  return item;
              });
          }
          if (evalArgs === false) {
              return this.func.apply(this, __spreadArrays([this.context], args));
          }
          return this.func.apply(this, args);
      };
      return functionCaller;
  }());

  //
  // A function call node.
  //
  var Call = function (name, args, index, currentFileInfo) {
      this.name = name;
      this.args = args;
      this.calc = name === 'calc';
      this._index = index;
      this._fileInfo = currentFileInfo;
  };
  Call.prototype = new Node();
  Call.prototype.accept = function (visitor) {
      if (this.args) {
          this.args = visitor.visitArray(this.args);
      }
  };
  //
  // When evaluating a function call,
  // we either find the function in the functionRegistry,
  // in which case we call it, passing the  evaluated arguments,
  // if this returns null or we cannot find the function, we
  // simply print it out as it appeared originally [2].
  //
  // The reason why we evaluate the arguments, is in the case where
  // we try to pass a variable to a function, like: `saturate(@color)`.
  // The function should receive the value, not the variable.
  //
  Call.prototype.eval = function (context) {
      var _this = this;
      /**
       * Turn off math for calc(), and switch back on for evaluating nested functions
       */
      var currentMathContext = context.mathOn;
      context.mathOn = !this.calc;
      if (this.calc || context.inCalc) {
          context.enterCalc();
      }
      var exitCalc = function () {
          if (_this.calc || context.inCalc) {
              context.exitCalc();
          }
          context.mathOn = currentMathContext;
      };
      var result;
      var funcCaller = new functionCaller(this.name, context, this.getIndex(), this.fileInfo());
      if (funcCaller.isValid()) {
          try {
              result = funcCaller.call(this.args);
              exitCalc();
          }
          catch (e) {
              if (e.hasOwnProperty('line') && e.hasOwnProperty('column')) {
                  throw e;
              }
              throw {
                  type: e.type || 'Runtime',
                  message: "error evaluating function `" + this.name + "`" + (e.message ? ": " + e.message : ''),
                  index: this.getIndex(),
                  filename: this.fileInfo().filename,
                  line: e.lineNumber,
                  column: e.columnNumber
              };
          }
          if (result !== null && result !== undefined) {
              // Results that that are not nodes are cast as Anonymous nodes
              // Falsy values or booleans are returned as empty nodes
              if (!(result instanceof Node)) {
                  if (!result || result === true) {
                      result = new Anonymous(null);
                  }
                  else {
                      result = new Anonymous(result.toString());
                  }
              }
              result._index = this._index;
              result._fileInfo = this._fileInfo;
              return result;
          }
      }
      var args = this.args.map(function (a) { return a.eval(context); });
      exitCalc();
      return new Call(this.name, args, this.getIndex(), this.fileInfo());
  };
  Call.prototype.genCSS = function (context, output) {
      output.add(this.name + "(", this.fileInfo(), this.getIndex());
      for (var i = 0; i < this.args.length; i++) {
          this.args[i].genCSS(context, output);
          if (i + 1 < this.args.length) {
              output.add(', ');
          }
      }
      output.add(')');
  };
  Call.prototype.type = 'Call';

  var Variable = function (name, index, currentFileInfo) {
      this.name = name;
      this._index = index;
      this._fileInfo = currentFileInfo;
  };
  Variable.prototype = new Node();
  Variable.prototype.eval = function (context) {
      var variable;
      var name = this.name;
      if (name.indexOf('@@') === 0) {
          name = "@" + new Variable(name.slice(1), this.getIndex(), this.fileInfo()).eval(context).value;
      }
      if (this.evaluating) {
          throw { type: 'Name', message: "Recursive variable definition for " + name, filename: this.fileInfo().filename,
              index: this.getIndex() };
      }
      this.evaluating = true;
      variable = this.find(context.frames, function (frame) {
          var v = frame.variable(name);
          if (v) {
              if (v.important) {
                  var importantScope = context.importantScope[context.importantScope.length - 1];
                  importantScope.important = v.important;
              }
              // If in calc, wrap vars in a function call to cascade evaluate args first
              if (context.inCalc) {
                  return (new Call('_SELF', [v.value])).eval(context);
              }
              else {
                  return v.value.eval(context);
              }
          }
      });
      if (variable) {
          this.evaluating = false;
          return variable;
      }
      else {
          throw { type: 'Name', message: "variable " + name + " is undefined", filename: this.fileInfo().filename,
              index: this.getIndex() };
      }
  };
  Variable.prototype.find = function (obj, fun) {
      for (var i = 0, r = void 0; i < obj.length; i++) {
          r = fun.call(obj, obj[i]);
          if (r) {
              return r;
          }
      }
      return null;
  };
  Variable.prototype.type = 'Variable';

  var Property = function (name, index, currentFileInfo) {
      this.name = name;
      this._index = index;
      this._fileInfo = currentFileInfo;
  };
  Property.prototype = new Node();
  Property.prototype.eval = function (context) {
      var property;
      var name = this.name;
      // TODO: shorten this reference
      var mergeRules = context.pluginManager.less.visitors.ToCSSVisitor.prototype._mergeRules;
      if (this.evaluating) {
          throw { type: 'Name', message: "Recursive property reference for " + name, filename: this.fileInfo().filename,
              index: this.getIndex() };
      }
      this.evaluating = true;
      property = this.find(context.frames, function (frame) {
          var v;
          var vArr = frame.property(name);
          if (vArr) {
              for (var i = 0; i < vArr.length; i++) {
                  v = vArr[i];
                  vArr[i] = new Declaration(v.name, v.value, v.important, v.merge, v.index, v.currentFileInfo, v.inline, v.variable);
              }
              mergeRules(vArr);
              v = vArr[vArr.length - 1];
              if (v.important) {
                  var importantScope = context.importantScope[context.importantScope.length - 1];
                  importantScope.important = v.important;
              }
              v = v.value.eval(context);
              return v;
          }
      });
      if (property) {
          this.evaluating = false;
          return property;
      }
      else {
          throw { type: 'Name', message: "Property '" + name + "' is undefined", filename: this.currentFileInfo.filename,
              index: this.index };
      }
  };
  Property.prototype.find = function (obj, fun) {
      for (var i = 0, r = void 0; i < obj.length; i++) {
          r = fun.call(obj, obj[i]);
          if (r) {
              return r;
          }
      }
      return null;
  };
  Property.prototype.type = 'Property';

  var Attribute = function (key, op, value) {
      this.key = key;
      this.op = op;
      this.value = value;
  };
  Attribute.prototype = new Node();
  Attribute.prototype.eval = function (context) {
      return new Attribute(this.key.eval ? this.key.eval(context) : this.key, this.op, (this.value && this.value.eval) ? this.value.eval(context) : this.value);
  };
  Attribute.prototype.genCSS = function (context, output) {
      output.add(this.toCSS(context));
  };
  Attribute.prototype.toCSS = function (context) {
      var value = this.key.toCSS ? this.key.toCSS(context) : this.key;
      if (this.op) {
          value += this.op;
          value += (this.value.toCSS ? this.value.toCSS(context) : this.value);
      }
      return "[" + value + "]";
  };
  Attribute.prototype.type = 'Attribute';

  var Quoted = function (str, content, escaped, index, currentFileInfo) {
      this.escaped = (escaped == null) ? true : escaped;
      this.value = content || '';
      this.quote = str.charAt(0);
      this._index = index;
      this._fileInfo = currentFileInfo;
      this.variableRegex = /@\{([\w-]+)\}/g;
      this.propRegex = /\$\{([\w-]+)\}/g;
      this.allowRoot = escaped;
  };
  Quoted.prototype = new Node();
  Quoted.prototype.genCSS = function (context, output) {
      if (!this.escaped) {
          output.add(this.quote, this.fileInfo(), this.getIndex());
      }
      output.add(this.value);
      if (!this.escaped) {
          output.add(this.quote);
      }
  };
  Quoted.prototype.containsVariables = function () {
      return this.value.match(this.variableRegex);
  };
  Quoted.prototype.eval = function (context) {
      var that = this;
      var value = this.value;
      var variableReplacement = function (_, name) {
          var v = new Variable("@" + name, that.getIndex(), that.fileInfo()).eval(context, true);
          return (v instanceof Quoted) ? v.value : v.toCSS();
      };
      var propertyReplacement = function (_, name) {
          var v = new Property("$" + name, that.getIndex(), that.fileInfo()).eval(context, true);
          return (v instanceof Quoted) ? v.value : v.toCSS();
      };
      function iterativeReplace(value, regexp, replacementFnc) {
          var evaluatedValue = value;
          do {
              value = evaluatedValue.toString();
              evaluatedValue = value.replace(regexp, replacementFnc);
          } while (value !== evaluatedValue);
          return evaluatedValue;
      }
      value = iterativeReplace(value, this.variableRegex, variableReplacement);
      value = iterativeReplace(value, this.propRegex, propertyReplacement);
      return new Quoted(this.quote + value + this.quote, value, this.escaped, this.getIndex(), this.fileInfo());
  };
  Quoted.prototype.compare = function (other) {
      // when comparing quoted strings allow the quote to differ
      if (other.type === 'Quoted' && !this.escaped && !other.escaped) {
          return Node.numericCompare(this.value, other.value);
      }
      else {
          return other.toCSS && this.toCSS() === other.toCSS() ? 0 : undefined;
      }
  };
  Quoted.prototype.type = 'Quoted';

  var URL = function (val, index, currentFileInfo, isEvald) {
      this.value = val;
      this._index = index;
      this._fileInfo = currentFileInfo;
      this.isEvald = isEvald;
  };
  URL.prototype = new Node();
  URL.prototype.accept = function (visitor) {
      this.value = visitor.visit(this.value);
  };
  URL.prototype.genCSS = function (context, output) {
      output.add('url(');
      this.value.genCSS(context, output);
      output.add(')');
  };
  URL.prototype.eval = function (context) {
      var val = this.value.eval(context);
      var rootpath;
      if (!this.isEvald) {
          // Add the rootpath if the URL requires a rewrite
          rootpath = this.fileInfo() && this.fileInfo().rootpath;
          if (typeof rootpath === 'string' &&
              typeof val.value === 'string' &&
              context.pathRequiresRewrite(val.value)) {
              if (!val.quote) {
                  rootpath = escapePath(rootpath);
              }
              val.value = context.rewritePath(val.value, rootpath);
          }
          else {
              val.value = context.normalizePath(val.value);
          }
          // Add url args if enabled
          if (context.urlArgs) {
              if (!val.value.match(/^\s*data:/)) {
                  var delimiter = val.value.indexOf('?') === -1 ? '?' : '&';
                  var urlArgs = delimiter + context.urlArgs;
                  if (val.value.indexOf('#') !== -1) {
                      val.value = val.value.replace('#', urlArgs + "#");
                  }
                  else {
                      val.value += urlArgs;
                  }
              }
          }
      }
      return new URL(val, this.getIndex(), this.fileInfo(), true);
  };
  URL.prototype.type = 'Url';
  function escapePath(path) {
      return path.replace(/[\(\)'"\s]/g, function (match) { return "\\" + match; });
  }

  var Media = function (value, features, index, currentFileInfo, visibilityInfo) {
      this._index = index;
      this._fileInfo = currentFileInfo;
      var selectors = (new Selector([], null, null, this._index, this._fileInfo)).createEmptySelectors();
      this.features = new Value(features);
      this.rules = [new Ruleset(selectors, value)];
      this.rules[0].allowImports = true;
      this.copyVisibilityInfo(visibilityInfo);
      this.allowRoot = true;
      this.setParent(selectors, this);
      this.setParent(this.features, this);
      this.setParent(this.rules, this);
  };
  Media.prototype = new AtRule();
  Media.prototype.isRulesetLike = function () {
      return true;
  };
  Media.prototype.accept = function (visitor) {
      if (this.features) {
          this.features = visitor.visit(this.features);
      }
      if (this.rules) {
          this.rules = visitor.visitArray(this.rules);
      }
  };
  Media.prototype.genCSS = function (context, output) {
      output.add('@media ', this._fileInfo, this._index);
      this.features.genCSS(context, output);
      this.outputRuleset(context, output, this.rules);
  };
  Media.prototype.eval = function (context) {
      if (!context.mediaBlocks) {
          context.mediaBlocks = [];
          context.mediaPath = [];
      }
      var media = new Media(null, [], this._index, this._fileInfo, this.visibilityInfo());
      if (this.debugInfo) {
          this.rules[0].debugInfo = this.debugInfo;
          media.debugInfo = this.debugInfo;
      }
      media.features = this.features.eval(context);
      context.mediaPath.push(media);
      context.mediaBlocks.push(media);
      this.rules[0].functionRegistry = context.frames[0].functionRegistry.inherit();
      context.frames.unshift(this.rules[0]);
      media.rules = [this.rules[0].eval(context)];
      context.frames.shift();
      context.mediaPath.pop();
      return context.mediaPath.length === 0 ? media.evalTop(context) :
          media.evalNested(context);
  };
  Media.prototype.evalTop = function (context) {
      var result = this;
      // Render all dependent Media blocks.
      if (context.mediaBlocks.length > 1) {
          var selectors = (new Selector([], null, null, this.getIndex(), this.fileInfo())).createEmptySelectors();
          result = new Ruleset(selectors, context.mediaBlocks);
          result.multiMedia = true;
          result.copyVisibilityInfo(this.visibilityInfo());
          this.setParent(result, this);
      }
      delete context.mediaBlocks;
      delete context.mediaPath;
      return result;
  };
  Media.prototype.evalNested = function (context) {
      var i;
      var value;
      var path = context.mediaPath.concat([this]);
      // Extract the media-query conditions separated with `,` (OR).
      for (i = 0; i < path.length; i++) {
          value = path[i].features instanceof Value ?
              path[i].features.value : path[i].features;
          path[i] = Array.isArray(value) ? value : [value];
      }
      // Trace all permutations to generate the resulting media-query.
      //
      // (a, b and c) with nested (d, e) ->
      //    a and d
      //    a and e
      //    b and c and d
      //    b and c and e
      this.features = new Value(this.permute(path).map(function (path) {
          path = path.map(function (fragment) { return fragment.toCSS ? fragment : new Anonymous(fragment); });
          for (i = path.length - 1; i > 0; i--) {
              path.splice(i, 0, new Anonymous('and'));
          }
          return new Expression(path);
      }));
      this.setParent(this.features, this);
      // Fake a tree-node that doesn't output anything.
      return new Ruleset([], []);
  };
  Media.prototype.permute = function (arr) {
      if (arr.length === 0) {
          return [];
      }
      else if (arr.length === 1) {
          return arr[0];
      }
      else {
          var result = [];
          var rest = this.permute(arr.slice(1));
          for (var i = 0; i < rest.length; i++) {
              for (var j = 0; j < arr[0].length; j++) {
                  result.push([arr[0][j]].concat(rest[i]));
              }
          }
          return result;
      }
  };
  Media.prototype.bubbleSelectors = function (selectors) {
      if (!selectors) {
          return;
      }
      this.rules = [new Ruleset(copyArray(selectors), [this.rules[0]])];
      this.setParent(this.rules, this);
  };
  Media.prototype.type = 'Media';

  //
  // CSS @import node
  //
  // The general strategy here is that we don't want to wait
  // for the parsing to be completed, before we start importing
  // the file. That's because in the context of a browser,
  // most of the time will be spent waiting for the server to respond.
  //
  // On creation, we push the import path to our import queue, though
  // `import,push`, we also pass it a callback, which it'll call once
  // the file has been fetched, and parsed.
  //
  var Import = function (path, features, options, index, currentFileInfo, visibilityInfo) {
      this.options = options;
      this._index = index;
      this._fileInfo = currentFileInfo;
      this.path = path;
      this.features = features;
      this.allowRoot = true;
      if (this.options.less !== undefined || this.options.inline) {
          this.css = !this.options.less || this.options.inline;
      }
      else {
          var pathValue = this.getPath();
          if (pathValue && /[#\.\&\?]css([\?;].*)?$/.test(pathValue)) {
              this.css = true;
          }
      }
      this.copyVisibilityInfo(visibilityInfo);
      this.setParent(this.features, this);
      this.setParent(this.path, this);
  };
  Import.prototype = new Node();
  Import.prototype.accept = function (visitor) {
      if (this.features) {
          this.features = visitor.visit(this.features);
      }
      this.path = visitor.visit(this.path);
      if (!this.options.isPlugin && !this.options.inline && this.root) {
          this.root = visitor.visit(this.root);
      }
  };
  Import.prototype.genCSS = function (context, output) {
      if (this.css && this.path._fileInfo.reference === undefined) {
          output.add('@import ', this._fileInfo, this._index);
          this.path.genCSS(context, output);
          if (this.features) {
              output.add(' ');
              this.features.genCSS(context, output);
          }
          output.add(';');
      }
  };
  Import.prototype.getPath = function () {
      return (this.path instanceof URL) ?
          this.path.value.value : this.path.value;
  };
  Import.prototype.isVariableImport = function () {
      var path = this.path;
      if (path instanceof URL) {
          path = path.value;
      }
      if (path instanceof Quoted) {
          return path.containsVariables();
      }
      return true;
  };
  Import.prototype.evalForImport = function (context) {
      var path = this.path;
      if (path instanceof URL) {
          path = path.value;
      }
      return new Import(path.eval(context), this.features, this.options, this._index, this._fileInfo, this.visibilityInfo());
  };
  Import.prototype.evalPath = function (context) {
      var path = this.path.eval(context);
      var fileInfo = this._fileInfo;
      if (!(path instanceof URL)) {
          // Add the rootpath if the URL requires a rewrite
          var pathValue = path.value;
          if (fileInfo &&
              pathValue &&
              context.pathRequiresRewrite(pathValue)) {
              path.value = context.rewritePath(pathValue, fileInfo.rootpath);
          }
          else {
              path.value = context.normalizePath(path.value);
          }
      }
      return path;
  };
  Import.prototype.eval = function (context) {
      var result = this.doEval(context);
      if (this.options.reference || this.blocksVisibility()) {
          if (result.length || result.length === 0) {
              result.forEach(function (node) {
                  node.addVisibilityBlock();
              });
          }
          else {
              result.addVisibilityBlock();
          }
      }
      return result;
  };
  Import.prototype.doEval = function (context) {
      var ruleset;
      var registry;
      var features = this.features && this.features.eval(context);
      if (this.options.isPlugin) {
          if (this.root && this.root.eval) {
              try {
                  this.root.eval(context);
              }
              catch (e) {
                  e.message = 'Plugin error during evaluation';
                  throw new LessError(e, this.root.imports, this.root.filename);
              }
          }
          registry = context.frames[0] && context.frames[0].functionRegistry;
          if (registry && this.root && this.root.functions) {
              registry.addMultiple(this.root.functions);
          }
          return [];
      }
      if (this.skip) {
          if (typeof this.skip === 'function') {
              this.skip = this.skip();
          }
          if (this.skip) {
              return [];
          }
      }
      if (this.options.inline) {
          var contents = new Anonymous(this.root, 0, {
              filename: this.importedFilename,
              reference: this.path._fileInfo && this.path._fileInfo.reference
          }, true, true);
          return this.features ? new Media([contents], this.features.value) : [contents];
      }
      else if (this.css) {
          var newImport = new Import(this.evalPath(context), features, this.options, this._index);
          if (!newImport.css && this.error) {
              throw this.error;
          }
          return newImport;
      }
      else if (this.root) {
          ruleset = new Ruleset(null, copyArray(this.root.rules));
          ruleset.evalImports(context);
          return this.features ? new Media(ruleset.rules, this.features.value) : ruleset.rules;
      }
      else {
          return [];
      }
  };
  Import.prototype.type = 'Import';

  var JsEvalNode = function () { };
  JsEvalNode.prototype = new Node();
  JsEvalNode.prototype.evaluateJavaScript = function (expression, context) {
      var result;
      var that = this;
      var evalContext = {};
      if (!context.javascriptEnabled) {
          throw { message: 'Inline JavaScript is not enabled. Is it set in your options?',
              filename: this.fileInfo().filename,
              index: this.getIndex() };
      }
      expression = expression.replace(/@\{([\w-]+)\}/g, function (_, name) { return that.jsify(new Variable("@" + name, that.getIndex(), that.fileInfo()).eval(context)); });
      try {
          expression = new Function("return (" + expression + ")");
      }
      catch (e) {
          throw { message: "JavaScript evaluation error: " + e.message + " from `" + expression + "`", filename: this.fileInfo().filename,
              index: this.getIndex() };
      }
      var variables = context.frames[0].variables();
      for (var k in variables) {
          if (variables.hasOwnProperty(k)) {
              /* jshint loopfunc:true */
              evalContext[k.slice(1)] = {
                  value: variables[k].value,
                  toJS: function () {
                      return this.value.eval(context).toCSS();
                  }
              };
          }
      }
      try {
          result = expression.call(evalContext);
      }
      catch (e) {
          throw { message: "JavaScript evaluation error: '" + e.name + ": " + e.message.replace(/["]/g, '\'') + "'", filename: this.fileInfo().filename,
              index: this.getIndex() };
      }
      return result;
  };
  JsEvalNode.prototype.jsify = function (obj) {
      if (Array.isArray(obj.value) && (obj.value.length > 1)) {
          return "[" + obj.value.map(function (v) { return v.toCSS(); }).join(', ') + "]";
      }
      else {
          return obj.toCSS();
      }
  };

  var JavaScript = function (string, escaped, index, currentFileInfo) {
      this.escaped = escaped;
      this.expression = string;
      this._index = index;
      this._fileInfo = currentFileInfo;
  };
  JavaScript.prototype = new JsEvalNode();
  JavaScript.prototype.eval = function (context) {
      var result = this.evaluateJavaScript(this.expression, context);
      var type = typeof result;
      if (type === 'number' && !isNaN(result)) {
          return new Dimension(result);
      }
      else if (type === 'string') {
          return new Quoted("\"" + result + "\"", result, this.escaped, this._index);
      }
      else if (Array.isArray(result)) {
          return new Anonymous(result.join(', '));
      }
      else {
          return new Anonymous(result);
      }
  };
  JavaScript.prototype.type = 'JavaScript';

  var Assignment = function (key, val) {
      this.key = key;
      this.value = val;
  };
  Assignment.prototype = new Node();
  Assignment.prototype.accept = function (visitor) {
      this.value = visitor.visit(this.value);
  };
  Assignment.prototype.eval = function (context) {
      if (this.value.eval) {
          return new Assignment(this.key, this.value.eval(context));
      }
      return this;
  };
  Assignment.prototype.genCSS = function (context, output) {
      output.add(this.key + "=");
      if (this.value.genCSS) {
          this.value.genCSS(context, output);
      }
      else {
          output.add(this.value);
      }
  };
  Assignment.prototype.type = 'Assignment';

  var Condition = function (op, l, r, i, negate) {
      this.op = op.trim();
      this.lvalue = l;
      this.rvalue = r;
      this._index = i;
      this.negate = negate;
  };
  Condition.prototype = new Node();
  Condition.prototype.accept = function (visitor) {
      this.lvalue = visitor.visit(this.lvalue);
      this.rvalue = visitor.visit(this.rvalue);
  };
  Condition.prototype.eval = function (context) {
      var result = (function (op, a, b) {
          switch (op) {
              case 'and': return a && b;
              case 'or': return a || b;
              default:
                  switch (Node.compare(a, b)) {
                      case -1:
                          return op === '<' || op === '=<' || op === '<=';
                      case 0:
                          return op === '=' || op === '>=' || op === '=<' || op === '<=';
                      case 1:
                          return op === '>' || op === '>=';
                      default:
                          return false;
                  }
          }
      })(this.op, this.lvalue.eval(context), this.rvalue.eval(context));
      return this.negate ? !result : result;
  };
  Condition.prototype.type = 'Condition';

  var UnicodeDescriptor = function (value) {
      this.value = value;
  };
  UnicodeDescriptor.prototype = new Node();
  UnicodeDescriptor.prototype.type = 'UnicodeDescriptor';

  var Negative = function (node) {
      this.value = node;
  };
  Negative.prototype = new Node();
  Negative.prototype.genCSS = function (context, output) {
      output.add('-');
      this.value.genCSS(context, output);
  };
  Negative.prototype.eval = function (context) {
      if (context.isMathOn()) {
          return (new Operation('*', [new Dimension(-1), this.value])).eval(context);
      }
      return new Negative(this.value.eval(context));
  };
  Negative.prototype.type = 'Negative';

  var Extend = function (selector, option, index, currentFileInfo, visibilityInfo) {
      this.selector = selector;
      this.option = option;
      this.object_id = Extend.next_id++;
      this.parent_ids = [this.object_id];
      this._index = index;
      this._fileInfo = currentFileInfo;
      this.copyVisibilityInfo(visibilityInfo);
      this.allowRoot = true;
      switch (option) {
          case 'all':
              this.allowBefore = true;
              this.allowAfter = true;
              break;
          default:
              this.allowBefore = false;
              this.allowAfter = false;
              break;
      }
      this.setParent(this.selector, this);
  };
  Extend.prototype = new Node();
  Extend.prototype.accept = function (visitor) {
      this.selector = visitor.visit(this.selector);
  };
  Extend.prototype.eval = function (context) {
      return new Extend(this.selector.eval(context), this.option, this.getIndex(), this.fileInfo(), this.visibilityInfo());
  };
  Extend.prototype.clone = function (context) {
      return new Extend(this.selector, this.option, this.getIndex(), this.fileInfo(), this.visibilityInfo());
  };
  // it concatenates (joins) all selectors in selector array
  Extend.prototype.findSelfSelectors = function (selectors) {
      var selfElements = [];
      var i;
      var selectorElements;
      for (i = 0; i < selectors.length; i++) {
          selectorElements = selectors[i].elements;
          // duplicate the logic in genCSS function inside the selector node.
          // future TODO - move both logics into the selector joiner visitor
          if (i > 0 && selectorElements.length && selectorElements[0].combinator.value === '') {
              selectorElements[0].combinator.value = ' ';
          }
          selfElements = selfElements.concat(selectors[i].elements);
      }
      this.selfSelectors = [new Selector(selfElements)];
      this.selfSelectors[0].copyVisibilityInfo(this.visibilityInfo());
  };
  /**
   * Used with the extend visitor
   */
  Extend.next_id = 0;
  Extend.prototype.type = 'Extend';

  var VariableCall = function (variable, index, currentFileInfo) {
      this.variable = variable;
      this._index = index;
      this._fileInfo = currentFileInfo;
      this.allowRoot = true;
  };
  VariableCall.prototype = new Node();
  VariableCall.prototype.eval = function (context) {
      var rules;
      var detachedRuleset = new Variable(this.variable, this.getIndex(), this.fileInfo()).eval(context);
      var error = new LessError({ message: "Could not evaluate variable call " + this.variable });
      if (!detachedRuleset.ruleset) {
          if (detachedRuleset.rules) {
              rules = detachedRuleset;
          }
          else if (Array.isArray(detachedRuleset)) {
              rules = new Ruleset('', detachedRuleset);
          }
          else if (Array.isArray(detachedRuleset.value)) {
              rules = new Ruleset('', detachedRuleset.value);
          }
          else {
              throw error;
          }
          detachedRuleset = new DetachedRuleset(rules);
      }
      if (detachedRuleset.ruleset) {
          return detachedRuleset.callEval(context);
      }
      throw error;
  };
  VariableCall.prototype.type = 'VariableCall';

  var NamespaceValue = function (ruleCall, lookups, index, fileInfo) {
      this.value = ruleCall;
      this.lookups = lookups;
      this._index = index;
      this._fileInfo = fileInfo;
  };
  NamespaceValue.prototype = new Node();
  NamespaceValue.prototype.eval = function (context) {
      var i;
      var name;
      var rules = this.value.eval(context);
      for (i = 0; i < this.lookups.length; i++) {
          name = this.lookups[i];
          /**
           * Eval'd DRs return rulesets.
           * Eval'd mixins return rules, so let's make a ruleset if we need it.
           * We need to do this because of late parsing of values
           */
          if (Array.isArray(rules)) {
              rules = new Ruleset([new Selector()], rules);
          }
          if (name === '') {
              rules = rules.lastDeclaration();
          }
          else if (name.charAt(0) === '@') {
              if (name.charAt(1) === '@') {
                  name = "@" + new Variable(name.substr(1)).eval(context).value;
              }
              if (rules.variables) {
                  rules = rules.variable(name);
              }
              if (!rules) {
                  throw { type: 'Name', message: "variable " + name + " not found", filename: this.fileInfo().filename,
                      index: this.getIndex() };
              }
          }
          else {
              if (name.substring(0, 2) === '$@') {
                  name = "$" + new Variable(name.substr(1)).eval(context).value;
              }
              else {
                  name = name.charAt(0) === '$' ? name : "$" + name;
              }
              if (rules.properties) {
                  rules = rules.property(name);
              }
              if (!rules) {
                  throw { type: 'Name', message: "property \"" + name.substr(1) + "\" not found", filename: this.fileInfo().filename,
                      index: this.getIndex() };
              }
              // Properties are an array of values, since a ruleset can have multiple props.
              // We pick the last one (the "cascaded" value)
              rules = rules[rules.length - 1];
          }
          if (rules.value) {
              rules = rules.eval(context).value;
          }
          if (rules.ruleset) {
              rules = rules.ruleset.eval(context);
          }
      }
      return rules;
  };
  NamespaceValue.prototype.type = 'NamespaceValue';

  var Definition = function (name, params, rules, condition, variadic, frames, visibilityInfo) {
      this.name = name || 'anonymous mixin';
      this.selectors = [new Selector([new Element(null, name, false, this._index, this._fileInfo)])];
      this.params = params;
      this.condition = condition;
      this.variadic = variadic;
      this.arity = params.length;
      this.rules = rules;
      this._lookups = {};
      var optionalParameters = [];
      this.required = params.reduce(function (count, p) {
          if (!p.name || (p.name && !p.value)) {
              return count + 1;
          }
          else {
              optionalParameters.push(p.name);
              return count;
          }
      }, 0);
      this.optionalParameters = optionalParameters;
      this.frames = frames;
      this.copyVisibilityInfo(visibilityInfo);
      this.allowRoot = true;
  };
  Definition.prototype = new Ruleset();
  Definition.prototype.accept = function (visitor) {
      if (this.params && this.params.length) {
          this.params = visitor.visitArray(this.params);
      }
      this.rules = visitor.visitArray(this.rules);
      if (this.condition) {
          this.condition = visitor.visit(this.condition);
      }
  };
  Definition.prototype.evalParams = function (context, mixinEnv, args, evaldArguments) {
      /* jshint boss:true */
      var frame = new Ruleset(null, null);
      var varargs;
      var arg;
      var params = copyArray(this.params);
      var i;
      var j;
      var val;
      var name;
      var isNamedFound;
      var argIndex;
      var argsLength = 0;
      if (mixinEnv.frames && mixinEnv.frames[0] && mixinEnv.frames[0].functionRegistry) {
          frame.functionRegistry = mixinEnv.frames[0].functionRegistry.inherit();
      }
      mixinEnv = new contexts.Eval(mixinEnv, [frame].concat(mixinEnv.frames));
      if (args) {
          args = copyArray(args);
          argsLength = args.length;
          for (i = 0; i < argsLength; i++) {
              arg = args[i];
              if (name = (arg && arg.name)) {
                  isNamedFound = false;
                  for (j = 0; j < params.length; j++) {
                      if (!evaldArguments[j] && name === params[j].name) {
                          evaldArguments[j] = arg.value.eval(context);
                          frame.prependRule(new Declaration(name, arg.value.eval(context)));
                          isNamedFound = true;
                          break;
                      }
                  }
                  if (isNamedFound) {
                      args.splice(i, 1);
                      i--;
                      continue;
                  }
                  else {
                      throw { type: 'Runtime', message: "Named argument for " + this.name + " " + args[i].name + " not found" };
                  }
              }
          }
      }
      argIndex = 0;
      for (i = 0; i < params.length; i++) {
          if (evaldArguments[i]) {
              continue;
          }
          arg = args && args[argIndex];
          if (name = params[i].name) {
              if (params[i].variadic) {
                  varargs = [];
                  for (j = argIndex; j < argsLength; j++) {
                      varargs.push(args[j].value.eval(context));
                  }
                  frame.prependRule(new Declaration(name, new Expression(varargs).eval(context)));
              }
              else {
                  val = arg && arg.value;
                  if (val) {
                      // This was a mixin call, pass in a detached ruleset of it's eval'd rules
                      if (Array.isArray(val)) {
                          val = new DetachedRuleset(new Ruleset('', val));
                      }
                      else {
                          val = val.eval(context);
                      }
                  }
                  else if (params[i].value) {
                      val = params[i].value.eval(mixinEnv);
                      frame.resetCache();
                  }
                  else {
                      throw { type: 'Runtime', message: "wrong number of arguments for " + this.name + " (" + argsLength + " for " + this.arity + ")" };
                  }
                  frame.prependRule(new Declaration(name, val));
                  evaldArguments[i] = val;
              }
          }
          if (params[i].variadic && args) {
              for (j = argIndex; j < argsLength; j++) {
                  evaldArguments[j] = args[j].value.eval(context);
              }
          }
          argIndex++;
      }
      return frame;
  };
  Definition.prototype.makeImportant = function () {
      var rules = !this.rules ? this.rules : this.rules.map(function (r) {
          if (r.makeImportant) {
              return r.makeImportant(true);
          }
          else {
              return r;
          }
      });
      var result = new Definition(this.name, this.params, rules, this.condition, this.variadic, this.frames);
      return result;
  };
  Definition.prototype.eval = function (context) {
      return new Definition(this.name, this.params, this.rules, this.condition, this.variadic, this.frames || copyArray(context.frames));
  };
  Definition.prototype.evalCall = function (context, args, important) {
      var _arguments = [];
      var mixinFrames = this.frames ? this.frames.concat(context.frames) : context.frames;
      var frame = this.evalParams(context, new contexts.Eval(context, mixinFrames), args, _arguments);
      var rules;
      var ruleset;
      frame.prependRule(new Declaration('@arguments', new Expression(_arguments).eval(context)));
      rules = copyArray(this.rules);
      ruleset = new Ruleset(null, rules);
      ruleset.originalRuleset = this;
      ruleset = ruleset.eval(new contexts.Eval(context, [this, frame].concat(mixinFrames)));
      if (important) {
          ruleset = ruleset.makeImportant();
      }
      return ruleset;
  };
  Definition.prototype.matchCondition = function (args, context) {
      if (this.condition && !this.condition.eval(new contexts.Eval(context, [this.evalParams(context, /* the parameter variables */ new contexts.Eval(context, this.frames ? this.frames.concat(context.frames) : context.frames), args, [])]
          .concat(this.frames || []) // the parent namespace/mixin frames
          .concat(context.frames)))) { // the current environment frames
          return false;
      }
      return true;
  };
  Definition.prototype.matchArgs = function (args, context) {
      var allArgsCnt = (args && args.length) || 0;
      var len;
      var optionalParameters = this.optionalParameters;
      var requiredArgsCnt = !args ? 0 : args.reduce(function (count, p) {
          if (optionalParameters.indexOf(p.name) < 0) {
              return count + 1;
          }
          else {
              return count;
          }
      }, 0);
      if (!this.variadic) {
          if (requiredArgsCnt < this.required) {
              return false;
          }
          if (allArgsCnt > this.params.length) {
              return false;
          }
      }
      else {
          if (requiredArgsCnt < (this.required - 1)) {
              return false;
          }
      }
      // check patterns
      len = Math.min(requiredArgsCnt, this.arity);
      for (var i = 0; i < len; i++) {
          if (!this.params[i].name && !this.params[i].variadic) {
              if (args[i].value.eval(context).toCSS() != this.params[i].value.eval(context).toCSS()) {
                  return false;
              }
          }
      }
      return true;
  };
  Definition.prototype.type = 'MixinDefinition';
  Definition.prototype.evalFirst = true;

  var MixinCall = function (elements, args, index, currentFileInfo, important) {
      this.selector = new Selector(elements);
      this.arguments = args || [];
      this._index = index;
      this._fileInfo = currentFileInfo;
      this.important = important;
      this.allowRoot = true;
      this.setParent(this.selector, this);
  };
  MixinCall.prototype = new Node();
  MixinCall.prototype.accept = function (visitor) {
      if (this.selector) {
          this.selector = visitor.visit(this.selector);
      }
      if (this.arguments.length) {
          this.arguments = visitor.visitArray(this.arguments);
      }
  };
  MixinCall.prototype.eval = function (context) {
      var mixins;
      var mixin;
      var mixinPath;
      var args = [];
      var arg;
      var argValue;
      var rules = [];
      var match = false;
      var i;
      var m;
      var f;
      var isRecursive;
      var isOneFound;
      var candidates = [];
      var candidate;
      var conditionResult = [];
      var defaultResult;
      var defFalseEitherCase = -1;
      var defNone = 0;
      var defTrue = 1;
      var defFalse = 2;
      var count;
      var originalRuleset;
      var noArgumentsFilter;
      this.selector = this.selector.eval(context);
      function calcDefGroup(mixin, mixinPath) {
          var f;
          var p;
          var namespace;
          for (f = 0; f < 2; f++) {
              conditionResult[f] = true;
              defaultFunc.value(f);
              for (p = 0; p < mixinPath.length && conditionResult[f]; p++) {
                  namespace = mixinPath[p];
                  if (namespace.matchCondition) {
                      conditionResult[f] = conditionResult[f] && namespace.matchCondition(null, context);
                  }
              }
              if (mixin.matchCondition) {
                  conditionResult[f] = conditionResult[f] && mixin.matchCondition(args, context);
              }
          }
          if (conditionResult[0] || conditionResult[1]) {
              if (conditionResult[0] != conditionResult[1]) {
                  return conditionResult[1] ?
                      defTrue : defFalse;
              }
              return defNone;
          }
          return defFalseEitherCase;
      }
      for (i = 0; i < this.arguments.length; i++) {
          arg = this.arguments[i];
          argValue = arg.value.eval(context);
          if (arg.expand && Array.isArray(argValue.value)) {
              argValue = argValue.value;
              for (m = 0; m < argValue.length; m++) {
                  args.push({ value: argValue[m] });
              }
          }
          else {
              args.push({ name: arg.name, value: argValue });
          }
      }
      noArgumentsFilter = function (rule) { return rule.matchArgs(null, context); };
      for (i = 0; i < context.frames.length; i++) {
          if ((mixins = context.frames[i].find(this.selector, null, noArgumentsFilter)).length > 0) {
              isOneFound = true;
              // To make `default()` function independent of definition order we have two "subpasses" here.
              // At first we evaluate each guard *twice* (with `default() == true` and `default() == false`),
              // and build candidate list with corresponding flags. Then, when we know all possible matches,
              // we make a final decision.
              for (m = 0; m < mixins.length; m++) {
                  mixin = mixins[m].rule;
                  mixinPath = mixins[m].path;
                  isRecursive = false;
                  for (f = 0; f < context.frames.length; f++) {
                      if ((!(mixin instanceof Definition)) && mixin === (context.frames[f].originalRuleset || context.frames[f])) {
                          isRecursive = true;
                          break;
                      }
                  }
                  if (isRecursive) {
                      continue;
                  }
                  if (mixin.matchArgs(args, context)) {
                      candidate = { mixin: mixin, group: calcDefGroup(mixin, mixinPath) };
                      if (candidate.group !== defFalseEitherCase) {
                          candidates.push(candidate);
                      }
                      match = true;
                  }
              }
              defaultFunc.reset();
              count = [0, 0, 0];
              for (m = 0; m < candidates.length; m++) {
                  count[candidates[m].group]++;
              }
              if (count[defNone] > 0) {
                  defaultResult = defFalse;
              }
              else {
                  defaultResult = defTrue;
                  if ((count[defTrue] + count[defFalse]) > 1) {
                      throw { type: 'Runtime', message: "Ambiguous use of `default()` found when matching for `" + this.format(args) + "`", index: this.getIndex(), filename: this.fileInfo().filename };
                  }
              }
              for (m = 0; m < candidates.length; m++) {
                  candidate = candidates[m].group;
                  if ((candidate === defNone) || (candidate === defaultResult)) {
                      try {
                          mixin = candidates[m].mixin;
                          if (!(mixin instanceof Definition)) {
                              originalRuleset = mixin.originalRuleset || mixin;
                              mixin = new Definition('', [], mixin.rules, null, false, null, originalRuleset.visibilityInfo());
                              mixin.originalRuleset = originalRuleset;
                          }
                          var newRules = mixin.evalCall(context, args, this.important).rules;
                          this._setVisibilityToReplacement(newRules);
                          Array.prototype.push.apply(rules, newRules);
                      }
                      catch (e) {
                          throw { message: e.message, index: this.getIndex(), filename: this.fileInfo().filename, stack: e.stack };
                      }
                  }
              }
              if (match) {
                  return rules;
              }
          }
      }
      if (isOneFound) {
          throw { type: 'Runtime', message: "No matching definition was found for `" + this.format(args) + "`", index: this.getIndex(), filename: this.fileInfo().filename };
      }
      else {
          throw { type: 'Name', message: this.selector.toCSS().trim() + " is undefined", index: this.getIndex(), filename: this.fileInfo().filename };
      }
  };
  MixinCall.prototype._setVisibilityToReplacement = function (replacement) {
      var i;
      var rule;
      if (this.blocksVisibility()) {
          for (i = 0; i < replacement.length; i++) {
              rule = replacement[i];
              rule.addVisibilityBlock();
          }
      }
  };
  MixinCall.prototype.format = function (args) {
      return this.selector.toCSS().trim() + "(" + (args ? args.map(function (a) {
          var argValue = '';
          if (a.name) {
              argValue += a.name + ":";
          }
          if (a.value.toCSS) {
              argValue += a.value.toCSS();
          }
          else {
              argValue += '???';
          }
          return argValue;
      }).join(', ') : '') + ")";
  };
  MixinCall.prototype.type = 'MixinCall';

  var tree = {
      Node: Node, Color: Color, AtRule: AtRule, DetachedRuleset: DetachedRuleset, Operation: Operation,
      Dimension: Dimension, Unit: Unit, Keyword: Keyword, Variable: Variable, Property: Property,
      Ruleset: Ruleset, Element: Element, Attribute: Attribute, Combinator: Combinator, Selector: Selector,
      Quoted: Quoted, Expression: Expression, Declaration: Declaration, Call: Call, URL: URL, Import: Import,
      Comment: Comment, Anonymous: Anonymous, Value: Value, JavaScript: JavaScript, Assignment: Assignment,
      Condition: Condition, Paren: Paren, Media: Media, UnicodeDescriptor: UnicodeDescriptor, Negative: Negative,
      Extend: Extend, VariableCall: VariableCall, NamespaceValue: NamespaceValue,
      mixin: {
          Call: MixinCall,
          Definition: Definition
      }
  };

  var logger = {
      error: function (msg) {
          this._fireEvent('error', msg);
      },
      warn: function (msg) {
          this._fireEvent('warn', msg);
      },
      info: function (msg) {
          this._fireEvent('info', msg);
      },
      debug: function (msg) {
          this._fireEvent('debug', msg);
      },
      addListener: function (listener) {
          this._listeners.push(listener);
      },
      removeListener: function (listener) {
          for (var i = 0; i < this._listeners.length; i++) {
              if (this._listeners[i] === listener) {
                  this._listeners.splice(i, 1);
                  return;
              }
          }
      },
      _fireEvent: function (type, msg) {
          for (var i = 0; i < this._listeners.length; i++) {
              var logFunction = this._listeners[i][type];
              if (logFunction) {
                  logFunction(msg);
              }
          }
      },
      _listeners: []
  };

  /**
   * @todo Document why this abstraction exists, and the relationship between
   *       environment, file managers, and plugin manager
   */
  var environment = /** @class */ (function () {
      function environment(externalEnvironment, fileManagers) {
          this.fileManagers = fileManagers || [];
          externalEnvironment = externalEnvironment || {};
          var optionalFunctions = ['encodeBase64', 'mimeLookup', 'charsetLookup', 'getSourceMapGenerator'];
          var requiredFunctions = [];
          var functions = requiredFunctions.concat(optionalFunctions);
          for (var i = 0; i < functions.length; i++) {
              var propName = functions[i];
              var environmentFunc = externalEnvironment[propName];
              if (environmentFunc) {
                  this[propName] = environmentFunc.bind(externalEnvironment);
              }
              else if (i < requiredFunctions.length) {
                  this.warn("missing required function in environment - " + propName);
              }
          }
      }
      environment.prototype.getFileManager = function (filename, currentDirectory, options, environment, isSync) {
          if (!filename) {
              logger.warn('getFileManager called with no filename.. Please report this issue. continuing.');
          }
          if (currentDirectory == null) {
              logger.warn('getFileManager called with null directory.. Please report this issue. continuing.');
          }
          var fileManagers = this.fileManagers;
          if (options.pluginManager) {
              fileManagers = [].concat(fileManagers).concat(options.pluginManager.getFileManagers());
          }
          for (var i = fileManagers.length - 1; i >= 0; i--) {
              var fileManager = fileManagers[i];
              if (fileManager[isSync ? 'supportsSync' : 'supports'](filename, currentDirectory, options, environment)) {
                  return fileManager;
              }
          }
          return null;
      };
      environment.prototype.addFileManager = function (fileManager) {
          this.fileManagers.push(fileManager);
      };
      environment.prototype.clearFileManagers = function () {
          this.fileManagers = [];
      };
      return environment;
  }());

  var AbstractFileManager = /** @class */ (function () {
      function AbstractFileManager() {
      }
      AbstractFileManager.prototype.getPath = function (filename) {
          var j = filename.lastIndexOf('?');
          if (j > 0) {
              filename = filename.slice(0, j);
          }
          j = filename.lastIndexOf('/');
          if (j < 0) {
              j = filename.lastIndexOf('\\');
          }
          if (j < 0) {
              return '';
          }
          return filename.slice(0, j + 1);
      };
      AbstractFileManager.prototype.tryAppendExtension = function (path, ext) {
          return /(\.[a-z]*$)|([\?;].*)$/.test(path) ? path : path + ext;
      };
      AbstractFileManager.prototype.tryAppendLessExtension = function (path) {
          return this.tryAppendExtension(path, '.less');
      };
      AbstractFileManager.prototype.supportsSync = function () { return false; };
      AbstractFileManager.prototype.alwaysMakePathsAbsolute = function () { return false; };
      AbstractFileManager.prototype.isPathAbsolute = function (filename) {
          return (/^(?:[a-z-]+:|\/|\\|#)/i).test(filename);
      };
      // TODO: pull out / replace?
      AbstractFileManager.prototype.join = function (basePath, laterPath) {
          if (!basePath) {
              return laterPath;
          }
          return basePath + laterPath;
      };
      AbstractFileManager.prototype.pathDiff = function (url, baseUrl) {
          // diff between two paths to create a relative path
          var urlParts = this.extractUrlParts(url);
          var baseUrlParts = this.extractUrlParts(baseUrl);
          var i;
          var max;
          var urlDirectories;
          var baseUrlDirectories;
          var diff = '';
          if (urlParts.hostPart !== baseUrlParts.hostPart) {
              return '';
          }
          max = Math.max(baseUrlParts.directories.length, urlParts.directories.length);
          for (i = 0; i < max; i++) {
              if (baseUrlParts.directories[i] !== urlParts.directories[i]) {
                  break;
              }
          }
          baseUrlDirectories = baseUrlParts.directories.slice(i);
          urlDirectories = urlParts.directories.slice(i);
          for (i = 0; i < baseUrlDirectories.length - 1; i++) {
              diff += '../';
          }
          for (i = 0; i < urlDirectories.length - 1; i++) {
              diff += urlDirectories[i] + "/";
          }
          return diff;
      };
      // helper function, not part of API
      AbstractFileManager.prototype.extractUrlParts = function (url, baseUrl) {
          // urlParts[1] = protocol://hostname/ OR /
          // urlParts[2] = / if path relative to host base
          // urlParts[3] = directories
          // urlParts[4] = filename
          // urlParts[5] = parameters
          var urlPartsRegex = /^((?:[a-z-]+:)?\/{2}(?:[^\/\?#]*\/)|([\/\\]))?((?:[^\/\\\?#]*[\/\\])*)([^\/\\\?#]*)([#\?].*)?$/i;
          var urlParts = url.match(urlPartsRegex);
          var returner = {};
          var rawDirectories = [];
          var directories = [];
          var i;
          var baseUrlParts;
          if (!urlParts) {
              throw new Error("Could not parse sheet href - '" + url + "'");
          }
          // Stylesheets in IE don't always return the full path
          if (baseUrl && (!urlParts[1] || urlParts[2])) {
              baseUrlParts = baseUrl.match(urlPartsRegex);
              if (!baseUrlParts) {
                  throw new Error("Could not parse page url - '" + baseUrl + "'");
              }
              urlParts[1] = urlParts[1] || baseUrlParts[1] || '';
              if (!urlParts[2]) {
                  urlParts[3] = baseUrlParts[3] + urlParts[3];
              }
          }
          if (urlParts[3]) {
              rawDirectories = urlParts[3].replace(/\\/g, '/').split('/');
              // collapse '..' and skip '.'
              for (i = 0; i < rawDirectories.length; i++) {
                  if (rawDirectories[i] === '..') {
                      directories.pop();
                  }
                  else if (rawDirectories[i] !== '.') {
                      directories.push(rawDirectories[i]);
                  }
              }
          }
          returner.hostPart = urlParts[1];
          returner.directories = directories;
          returner.rawPath = (urlParts[1] || '') + rawDirectories.join('/');
          returner.path = (urlParts[1] || '') + directories.join('/');
          returner.filename = urlParts[4];
          returner.fileUrl = returner.path + (urlParts[4] || '');
          returner.url = returner.fileUrl + (urlParts[5] || '');
          return returner;
      };
      return AbstractFileManager;
  }());

  var AbstractPluginLoader = /** @class */ (function () {
      function AbstractPluginLoader() {
          // Implemented by Node.js plugin loader
          this.require = function () { return null; };
      }
      AbstractPluginLoader.prototype.evalPlugin = function (contents, context, imports, pluginOptions, fileInfo) {
          var loader;
          var registry;
          var pluginObj;
          var localModule;
          var pluginManager;
          var filename;
          var result;
          pluginManager = context.pluginManager;
          if (fileInfo) {
              if (typeof fileInfo === 'string') {
                  filename = fileInfo;
              }
              else {
                  filename = fileInfo.filename;
              }
          }
          var shortname = (new this.less.FileManager()).extractUrlParts(filename).filename;
          if (filename) {
              pluginObj = pluginManager.get(filename);
              if (pluginObj) {
                  result = this.trySetOptions(pluginObj, filename, shortname, pluginOptions);
                  if (result) {
                      return result;
                  }
                  try {
                      if (pluginObj.use) {
                          pluginObj.use.call(this.context, pluginObj);
                      }
                  }
                  catch (e) {
                      e.message = e.message || 'Error during @plugin call';
                      return new LessError(e, imports, filename);
                  }
                  return pluginObj;
              }
          }
          localModule = {
              exports: {},
              pluginManager: pluginManager,
              fileInfo: fileInfo
          };
          registry = functionRegistry.create();
          var registerPlugin = function (obj) {
              pluginObj = obj;
          };
          try {
              loader = new Function('module', 'require', 'registerPlugin', 'functions', 'tree', 'less', 'fileInfo', contents);
              loader(localModule, this.require(filename), registerPlugin, registry, this.less.tree, this.less, fileInfo);
          }
          catch (e) {
              return new LessError(e, imports, filename);
          }
          if (!pluginObj) {
              pluginObj = localModule.exports;
          }
          pluginObj = this.validatePlugin(pluginObj, filename, shortname);
          if (pluginObj instanceof LessError) {
              return pluginObj;
          }
          if (pluginObj) {
              pluginObj.imports = imports;
              pluginObj.filename = filename;
              // For < 3.x (or unspecified minVersion) - setOptions() before install()
              if (!pluginObj.minVersion || this.compareVersion('3.0.0', pluginObj.minVersion) < 0) {
                  result = this.trySetOptions(pluginObj, filename, shortname, pluginOptions);
                  if (result) {
                      return result;
                  }
              }
              // Run on first load
              pluginManager.addPlugin(pluginObj, fileInfo.filename, registry);
              pluginObj.functions = registry.getLocalFunctions();
              // Need to call setOptions again because the pluginObj might have functions
              result = this.trySetOptions(pluginObj, filename, shortname, pluginOptions);
              if (result) {
                  return result;
              }
              // Run every @plugin call
              try {
                  if (pluginObj.use) {
                      pluginObj.use.call(this.context, pluginObj);
                  }
              }
              catch (e) {
                  e.message = e.message || 'Error during @plugin call';
                  return new LessError(e, imports, filename);
              }
          }
          else {
              return new LessError({ message: 'Not a valid plugin' }, imports, filename);
          }
          return pluginObj;
      };
      AbstractPluginLoader.prototype.trySetOptions = function (plugin, filename, name, options) {
          if (options && !plugin.setOptions) {
              return new LessError({
                  message: "Options have been provided but the plugin " + name + " does not support any options."
              });
          }
          try {
              plugin.setOptions && plugin.setOptions(options);
          }
          catch (e) {
              return new LessError(e);
          }
      };
      AbstractPluginLoader.prototype.validatePlugin = function (plugin, filename, name) {
          if (plugin) {
              // support plugins being a function
              // so that the plugin can be more usable programmatically
              if (typeof plugin === 'function') {
                  plugin = new plugin();
              }
              if (plugin.minVersion) {
                  if (this.compareVersion(plugin.minVersion, this.less.version) < 0) {
                      return new LessError({
                          message: "Plugin " + name + " requires version " + this.versionToString(plugin.minVersion)
                      });
                  }
              }
              return plugin;
          }
          return null;
      };
      AbstractPluginLoader.prototype.compareVersion = function (aVersion, bVersion) {
          if (typeof aVersion === 'string') {
              aVersion = aVersion.match(/^(\d+)\.?(\d+)?\.?(\d+)?/);
              aVersion.shift();
          }
          for (var i = 0; i < aVersion.length; i++) {
              if (aVersion[i] !== bVersion[i]) {
                  return parseInt(aVersion[i]) > parseInt(bVersion[i]) ? -1 : 1;
              }
          }
          return 0;
      };
      AbstractPluginLoader.prototype.versionToString = function (version) {
          var versionString = '';
          for (var i = 0; i < version.length; i++) {
              versionString += (versionString ? '.' : '') + version[i];
          }
          return versionString;
      };
      AbstractPluginLoader.prototype.printUsage = function (plugins) {
          for (var i = 0; i < plugins.length; i++) {
              var plugin = plugins[i];
              if (plugin.printUsage) {
                  plugin.printUsage();
              }
          }
      };
      return AbstractPluginLoader;
  }());

  var _visitArgs = { visitDeeper: true };
  var _hasIndexed = false;
  function _noop(node) {
      return node;
  }
  function indexNodeTypes(parent, ticker) {
      // add .typeIndex to tree node types for lookup table
      var key;
      var child;
      for (key in parent) {
          /* eslint guard-for-in: 0 */
          child = parent[key];
          switch (typeof child) {
              case 'function':
                  // ignore bound functions directly on tree which do not have a prototype
                  // or aren't nodes
                  if (child.prototype && child.prototype.type) {
                      child.prototype.typeIndex = ticker++;
                  }
                  break;
              case 'object':
                  ticker = indexNodeTypes(child, ticker);
                  break;
          }
      }
      return ticker;
  }
  var Visitor = /** @class */ (function () {
      function Visitor(implementation) {
          this._implementation = implementation;
          this._visitInCache = {};
          this._visitOutCache = {};
          if (!_hasIndexed) {
              indexNodeTypes(tree, 1);
              _hasIndexed = true;
          }
      }
      Visitor.prototype.visit = function (node) {
          if (!node) {
              return node;
          }
          var nodeTypeIndex = node.typeIndex;
          if (!nodeTypeIndex) {
              // MixinCall args aren't a node type?
              if (node.value && node.value.typeIndex) {
                  this.visit(node.value);
              }
              return node;
          }
          var impl = this._implementation;
          var func = this._visitInCache[nodeTypeIndex];
          var funcOut = this._visitOutCache[nodeTypeIndex];
          var visitArgs = _visitArgs;
          var fnName;
          visitArgs.visitDeeper = true;
          if (!func) {
              fnName = "visit" + node.type;
              func = impl[fnName] || _noop;
              funcOut = impl[fnName + "Out"] || _noop;
              this._visitInCache[nodeTypeIndex] = func;
              this._visitOutCache[nodeTypeIndex] = funcOut;
          }
          if (func !== _noop) {
              var newNode = func.call(impl, node, visitArgs);
              if (node && impl.isReplacing) {
                  node = newNode;
              }
          }
          if (visitArgs.visitDeeper && node) {
              if (node.length) {
                  for (var i = 0, cnt = node.length; i < cnt; i++) {
                      if (node[i].accept) {
                          node[i].accept(this);
                      }
                  }
              }
              else if (node.accept) {
                  node.accept(this);
              }
          }
          if (funcOut != _noop) {
              funcOut.call(impl, node);
          }
          return node;
      };
      Visitor.prototype.visitArray = function (nodes, nonReplacing) {
          if (!nodes) {
              return nodes;
          }
          var cnt = nodes.length;
          var i;
          // Non-replacing
          if (nonReplacing || !this._implementation.isReplacing) {
              for (i = 0; i < cnt; i++) {
                  this.visit(nodes[i]);
              }
              return nodes;
          }
          // Replacing
          var out = [];
          for (i = 0; i < cnt; i++) {
              var evald = this.visit(nodes[i]);
              if (evald === undefined) {
                  continue;
              }
              if (!evald.splice) {
                  out.push(evald);
              }
              else if (evald.length) {
                  this.flatten(evald, out);
              }
          }
          return out;
      };
      Visitor.prototype.flatten = function (arr, out) {
          if (!out) {
              out = [];
          }
          var cnt;
          var i;
          var item;
          var nestedCnt;
          var j;
          var nestedItem;
          for (i = 0, cnt = arr.length; i < cnt; i++) {
              item = arr[i];
              if (item === undefined) {
                  continue;
              }
              if (!item.splice) {
                  out.push(item);
                  continue;
              }
              for (j = 0, nestedCnt = item.length; j < nestedCnt; j++) {
                  nestedItem = item[j];
                  if (nestedItem === undefined) {
                      continue;
                  }
                  if (!nestedItem.splice) {
                      out.push(nestedItem);
                  }
                  else if (nestedItem.length) {
                      this.flatten(nestedItem, out);
                  }
              }
          }
          return out;
      };
      return Visitor;
  }());

  var ImportSequencer = /** @class */ (function () {
      function ImportSequencer(onSequencerEmpty) {
          this.imports = [];
          this.variableImports = [];
          this._onSequencerEmpty = onSequencerEmpty;
          this._currentDepth = 0;
      }
      ImportSequencer.prototype.addImport = function (callback) {
          var importSequencer = this;
          var importItem = {
              callback: callback,
              args: null,
              isReady: false
          };
          this.imports.push(importItem);
          return function () {
              var args = [];
              for (var _i = 0; _i < arguments.length; _i++) {
                  args[_i] = arguments[_i];
              }
              importItem.args = Array.prototype.slice.call(args, 0);
              importItem.isReady = true;
              importSequencer.tryRun();
          };
      };
      ImportSequencer.prototype.addVariableImport = function (callback) {
          this.variableImports.push(callback);
      };
      ImportSequencer.prototype.tryRun = function () {
          this._currentDepth++;
          try {
              while (true) {
                  while (this.imports.length > 0) {
                      var importItem = this.imports[0];
                      if (!importItem.isReady) {
                          return;
                      }
                      this.imports = this.imports.slice(1);
                      importItem.callback.apply(null, importItem.args);
                  }
                  if (this.variableImports.length === 0) {
                      break;
                  }
                  var variableImport = this.variableImports[0];
                  this.variableImports = this.variableImports.slice(1);
                  variableImport();
              }
          }
          finally {
              this._currentDepth--;
          }
          if (this._currentDepth === 0 && this._onSequencerEmpty) {
              this._onSequencerEmpty();
          }
      };
      return ImportSequencer;
  }());

  var ImportVisitor = function (importer, finish) {
      this._visitor = new Visitor(this);
      this._importer = importer;
      this._finish = finish;
      this.context = new contexts.Eval();
      this.importCount = 0;
      this.onceFileDetectionMap = {};
      this.recursionDetector = {};
      this._sequencer = new ImportSequencer(this._onSequencerEmpty.bind(this));
  };
  ImportVisitor.prototype = {
      isReplacing: false,
      run: function (root) {
          try {
              // process the contents
              this._visitor.visit(root);
          }
          catch (e) {
              this.error = e;
          }
          this.isFinished = true;
          this._sequencer.tryRun();
      },
      _onSequencerEmpty: function () {
          if (!this.isFinished) {
              return;
          }
          this._finish(this.error);
      },
      visitImport: function (importNode, visitArgs) {
          var inlineCSS = importNode.options.inline;
          if (!importNode.css || inlineCSS) {
              var context = new contexts.Eval(this.context, copyArray(this.context.frames));
              var importParent = context.frames[0];
              this.importCount++;
              if (importNode.isVariableImport()) {
                  this._sequencer.addVariableImport(this.processImportNode.bind(this, importNode, context, importParent));
              }
              else {
                  this.processImportNode(importNode, context, importParent);
              }
          }
          visitArgs.visitDeeper = false;
      },
      processImportNode: function (importNode, context, importParent) {
          var evaldImportNode;
          var inlineCSS = importNode.options.inline;
          try {
              evaldImportNode = importNode.evalForImport(context);
          }
          catch (e) {
              if (!e.filename) {
                  e.index = importNode.getIndex();
                  e.filename = importNode.fileInfo().filename;
              }
              // attempt to eval properly and treat as css
              importNode.css = true;
              // if that fails, this error will be thrown
              importNode.error = e;
          }
          if (evaldImportNode && (!evaldImportNode.css || inlineCSS)) {
              if (evaldImportNode.options.multiple) {
                  context.importMultiple = true;
              }
              // try appending if we haven't determined if it is css or not
              var tryAppendLessExtension = evaldImportNode.css === undefined;
              for (var i = 0; i < importParent.rules.length; i++) {
                  if (importParent.rules[i] === importNode) {
                      importParent.rules[i] = evaldImportNode;
                      break;
                  }
              }
              var onImported = this.onImported.bind(this, evaldImportNode, context);
              var sequencedOnImported = this._sequencer.addImport(onImported);
              this._importer.push(evaldImportNode.getPath(), tryAppendLessExtension, evaldImportNode.fileInfo(), evaldImportNode.options, sequencedOnImported);
          }
          else {
              this.importCount--;
              if (this.isFinished) {
                  this._sequencer.tryRun();
              }
          }
      },
      onImported: function (importNode, context, e, root, importedAtRoot, fullPath) {
          if (e) {
              if (!e.filename) {
                  e.index = importNode.getIndex();
                  e.filename = importNode.fileInfo().filename;
              }
              this.error = e;
          }
          var importVisitor = this;
          var inlineCSS = importNode.options.inline;
          var isPlugin = importNode.options.isPlugin;
          var isOptional = importNode.options.optional;
          var duplicateImport = importedAtRoot || fullPath in importVisitor.recursionDetector;
          if (!context.importMultiple) {
              if (duplicateImport) {
                  importNode.skip = true;
              }
              else {
                  importNode.skip = function () {
                      if (fullPath in importVisitor.onceFileDetectionMap) {
                          return true;
                      }
                      importVisitor.onceFileDetectionMap[fullPath] = true;
                      return false;
                  };
              }
          }
          if (!fullPath && isOptional) {
              importNode.skip = true;
          }
          if (root) {
              importNode.root = root;
              importNode.importedFilename = fullPath;
              if (!inlineCSS && !isPlugin && (context.importMultiple || !duplicateImport)) {
                  importVisitor.recursionDetector[fullPath] = true;
                  var oldContext = this.context;
                  this.context = context;
                  try {
                      this._visitor.visit(root);
                  }
                  catch (e) {
                      this.error = e;
                  }
                  this.context = oldContext;
              }
          }
          importVisitor.importCount--;
          if (importVisitor.isFinished) {
              importVisitor._sequencer.tryRun();
          }
      },
      visitDeclaration: function (declNode, visitArgs) {
          if (declNode.value.type === 'DetachedRuleset') {
              this.context.frames.unshift(declNode);
          }
          else {
              visitArgs.visitDeeper = false;
          }
      },
      visitDeclarationOut: function (declNode) {
          if (declNode.value.type === 'DetachedRuleset') {
              this.context.frames.shift();
          }
      },
      visitAtRule: function (atRuleNode, visitArgs) {
          this.context.frames.unshift(atRuleNode);
      },
      visitAtRuleOut: function (atRuleNode) {
          this.context.frames.shift();
      },
      visitMixinDefinition: function (mixinDefinitionNode, visitArgs) {
          this.context.frames.unshift(mixinDefinitionNode);
      },
      visitMixinDefinitionOut: function (mixinDefinitionNode) {
          this.context.frames.shift();
      },
      visitRuleset: function (rulesetNode, visitArgs) {
          this.context.frames.unshift(rulesetNode);
      },
      visitRulesetOut: function (rulesetNode) {
          this.context.frames.shift();
      },
      visitMedia: function (mediaNode, visitArgs) {
          this.context.frames.unshift(mediaNode.rules[0]);
      },
      visitMediaOut: function (mediaNode) {
          this.context.frames.shift();
      }
  };

  var SetTreeVisibilityVisitor = /** @class */ (function () {
      function SetTreeVisibilityVisitor(visible) {
          this.visible = visible;
      }
      SetTreeVisibilityVisitor.prototype.run = function (root) {
          this.visit(root);
      };
      SetTreeVisibilityVisitor.prototype.visitArray = function (nodes) {
          if (!nodes) {
              return nodes;
          }
          var cnt = nodes.length;
          var i;
          for (i = 0; i < cnt; i++) {
              this.visit(nodes[i]);
          }
          return nodes;
      };
      SetTreeVisibilityVisitor.prototype.visit = function (node) {
          if (!node) {
              return node;
          }
          if (node.constructor === Array) {
              return this.visitArray(node);
          }
          if (!node.blocksVisibility || node.blocksVisibility()) {
              return node;
          }
          if (this.visible) {
              node.ensureVisibility();
          }
          else {
              node.ensureInvisibility();
          }
          node.accept(this);
          return node;
      };
      return SetTreeVisibilityVisitor;
  }());

  /* jshint loopfunc:true */
  var ExtendFinderVisitor = /** @class */ (function () {
      function ExtendFinderVisitor() {
          this._visitor = new Visitor(this);
          this.contexts = [];
          this.allExtendsStack = [[]];
      }
      ExtendFinderVisitor.prototype.run = function (root) {
          root = this._visitor.visit(root);
          root.allExtends = this.allExtendsStack[0];
          return root;
      };
      ExtendFinderVisitor.prototype.visitDeclaration = function (declNode, visitArgs) {
          visitArgs.visitDeeper = false;
      };
      ExtendFinderVisitor.prototype.visitMixinDefinition = function (mixinDefinitionNode, visitArgs) {
          visitArgs.visitDeeper = false;
      };
      ExtendFinderVisitor.prototype.visitRuleset = function (rulesetNode, visitArgs) {
          if (rulesetNode.root) {
              return;
          }
          var i;
          var j;
          var extend;
          var allSelectorsExtendList = [];
          var extendList;
          // get &:extend(.a); rules which apply to all selectors in this ruleset
          var rules = rulesetNode.rules;
          var ruleCnt = rules ? rules.length : 0;
          for (i = 0; i < ruleCnt; i++) {
              if (rulesetNode.rules[i] instanceof tree.Extend) {
                  allSelectorsExtendList.push(rules[i]);
                  rulesetNode.extendOnEveryPath = true;
              }
          }
          // now find every selector and apply the extends that apply to all extends
          // and the ones which apply to an individual extend
          var paths = rulesetNode.paths;
          for (i = 0; i < paths.length; i++) {
              var selectorPath = paths[i];
              var selector = selectorPath[selectorPath.length - 1];
              var selExtendList = selector.extendList;
              extendList = selExtendList ? copyArray(selExtendList).concat(allSelectorsExtendList)
                  : allSelectorsExtendList;
              if (extendList) {
                  extendList = extendList.map(function (allSelectorsExtend) { return allSelectorsExtend.clone(); });
              }
              for (j = 0; j < extendList.length; j++) {
                  this.foundExtends = true;
                  extend = extendList[j];
                  extend.findSelfSelectors(selectorPath);
                  extend.ruleset = rulesetNode;
                  if (j === 0) {
                      extend.firstExtendOnThisSelectorPath = true;
                  }
                  this.allExtendsStack[this.allExtendsStack.length - 1].push(extend);
              }
          }
          this.contexts.push(rulesetNode.selectors);
      };
      ExtendFinderVisitor.prototype.visitRulesetOut = function (rulesetNode) {
          if (!rulesetNode.root) {
              this.contexts.length = this.contexts.length - 1;
          }
      };
      ExtendFinderVisitor.prototype.visitMedia = function (mediaNode, visitArgs) {
          mediaNode.allExtends = [];
          this.allExtendsStack.push(mediaNode.allExtends);
      };
      ExtendFinderVisitor.prototype.visitMediaOut = function (mediaNode) {
          this.allExtendsStack.length = this.allExtendsStack.length - 1;
      };
      ExtendFinderVisitor.prototype.visitAtRule = function (atRuleNode, visitArgs) {
          atRuleNode.allExtends = [];
          this.allExtendsStack.push(atRuleNode.allExtends);
      };
      ExtendFinderVisitor.prototype.visitAtRuleOut = function (atRuleNode) {
          this.allExtendsStack.length = this.allExtendsStack.length - 1;
      };
      return ExtendFinderVisitor;
  }());
  var ProcessExtendsVisitor = /** @class */ (function () {
      function ProcessExtendsVisitor() {
          this._visitor = new Visitor(this);
      }
      ProcessExtendsVisitor.prototype.run = function (root) {
          var extendFinder = new ExtendFinderVisitor();
          this.extendIndices = {};
          extendFinder.run(root);
          if (!extendFinder.foundExtends) {
              return root;
          }
          root.allExtends = root.allExtends.concat(this.doExtendChaining(root.allExtends, root.allExtends));
          this.allExtendsStack = [root.allExtends];
          var newRoot = this._visitor.visit(root);
          this.checkExtendsForNonMatched(root.allExtends);
          return newRoot;
      };
      ProcessExtendsVisitor.prototype.checkExtendsForNonMatched = function (extendList) {
          var indices = this.extendIndices;
          extendList.filter(function (extend) { return !extend.hasFoundMatches && extend.parent_ids.length == 1; }).forEach(function (extend) {
              var selector = '_unknown_';
              try {
                  selector = extend.selector.toCSS({});
              }
              catch (_) { }
              if (!indices[extend.index + " " + selector]) {
                  indices[extend.index + " " + selector] = true;
                  logger.warn("extend '" + selector + "' has no matches");
              }
          });
      };
      ProcessExtendsVisitor.prototype.doExtendChaining = function (extendsList, extendsListTarget, iterationCount) {
          //
          // chaining is different from normal extension.. if we extend an extend then we are not just copying, altering
          // and pasting the selector we would do normally, but we are also adding an extend with the same target selector
          // this means this new extend can then go and alter other extends
          //
          // this method deals with all the chaining work - without it, extend is flat and doesn't work on other extend selectors
          // this is also the most expensive.. and a match on one selector can cause an extension of a selector we had already
          // processed if we look at each selector at a time, as is done in visitRuleset
          var extendIndex;
          var targetExtendIndex;
          var matches;
          var extendsToAdd = [];
          var newSelector;
          var extendVisitor = this;
          var selectorPath;
          var extend;
          var targetExtend;
          var newExtend;
          iterationCount = iterationCount || 0;
          // loop through comparing every extend with every target extend.
          // a target extend is the one on the ruleset we are looking at copy/edit/pasting in place
          // e.g.  .a:extend(.b) {}  and .b:extend(.c) {} then the first extend extends the second one
          // and the second is the target.
          // the separation into two lists allows us to process a subset of chains with a bigger set, as is the
          // case when processing media queries
          for (extendIndex = 0; extendIndex < extendsList.length; extendIndex++) {
              for (targetExtendIndex = 0; targetExtendIndex < extendsListTarget.length; targetExtendIndex++) {
                  extend = extendsList[extendIndex];
                  targetExtend = extendsListTarget[targetExtendIndex];
                  // look for circular references
                  if (extend.parent_ids.indexOf(targetExtend.object_id) >= 0) {
                      continue;
                  }
                  // find a match in the target extends self selector (the bit before :extend)
                  selectorPath = [targetExtend.selfSelectors[0]];
                  matches = extendVisitor.findMatch(extend, selectorPath);
                  if (matches.length) {
                      extend.hasFoundMatches = true;
                      // we found a match, so for each self selector..
                      extend.selfSelectors.forEach(function (selfSelector) {
                          var info = targetExtend.visibilityInfo();
                          // process the extend as usual
                          newSelector = extendVisitor.extendSelector(matches, selectorPath, selfSelector, extend.isVisible());
                          // but now we create a new extend from it
                          newExtend = new (tree.Extend)(targetExtend.selector, targetExtend.option, 0, targetExtend.fileInfo(), info);
                          newExtend.selfSelectors = newSelector;
                          // add the extend onto the list of extends for that selector
                          newSelector[newSelector.length - 1].extendList = [newExtend];
                          // record that we need to add it.
                          extendsToAdd.push(newExtend);
                          newExtend.ruleset = targetExtend.ruleset;
                          // remember its parents for circular references
                          newExtend.parent_ids = newExtend.parent_ids.concat(targetExtend.parent_ids, extend.parent_ids);
                          // only process the selector once.. if we have :extend(.a,.b) then multiple
                          // extends will look at the same selector path, so when extending
                          // we know that any others will be duplicates in terms of what is added to the css
                          if (targetExtend.firstExtendOnThisSelectorPath) {
                              newExtend.firstExtendOnThisSelectorPath = true;
                              targetExtend.ruleset.paths.push(newSelector);
                          }
                      });
                  }
              }
          }
          if (extendsToAdd.length) {
              // try to detect circular references to stop a stack overflow.
              // may no longer be needed.
              this.extendChainCount++;
              if (iterationCount > 100) {
                  var selectorOne = '{unable to calculate}';
                  var selectorTwo = '{unable to calculate}';
                  try {
                      selectorOne = extendsToAdd[0].selfSelectors[0].toCSS();
                      selectorTwo = extendsToAdd[0].selector.toCSS();
                  }
                  catch (e) { }
                  throw { message: "extend circular reference detected. One of the circular extends is currently:" + selectorOne + ":extend(" + selectorTwo + ")" };
              }
              // now process the new extends on the existing rules so that we can handle a extending b extending c extending
              // d extending e...
              return extendsToAdd.concat(extendVisitor.doExtendChaining(extendsToAdd, extendsListTarget, iterationCount + 1));
          }
          else {
              return extendsToAdd;
          }
      };
      ProcessExtendsVisitor.prototype.visitDeclaration = function (ruleNode, visitArgs) {
          visitArgs.visitDeeper = false;
      };
      ProcessExtendsVisitor.prototype.visitMixinDefinition = function (mixinDefinitionNode, visitArgs) {
          visitArgs.visitDeeper = false;
      };
      ProcessExtendsVisitor.prototype.visitSelector = function (selectorNode, visitArgs) {
          visitArgs.visitDeeper = false;
      };
      ProcessExtendsVisitor.prototype.visitRuleset = function (rulesetNode, visitArgs) {
          if (rulesetNode.root) {
              return;
          }
          var matches;
          var pathIndex;
          var extendIndex;
          var allExtends = this.allExtendsStack[this.allExtendsStack.length - 1];
          var selectorsToAdd = [];
          var extendVisitor = this;
          var selectorPath;
          // look at each selector path in the ruleset, find any extend matches and then copy, find and replace
          for (extendIndex = 0; extendIndex < allExtends.length; extendIndex++) {
              for (pathIndex = 0; pathIndex < rulesetNode.paths.length; pathIndex++) {
                  selectorPath = rulesetNode.paths[pathIndex];
                  // extending extends happens initially, before the main pass
                  if (rulesetNode.extendOnEveryPath) {
                      continue;
                  }
                  var extendList = selectorPath[selectorPath.length - 1].extendList;
                  if (extendList && extendList.length) {
                      continue;
                  }
                  matches = this.findMatch(allExtends[extendIndex], selectorPath);
                  if (matches.length) {
                      allExtends[extendIndex].hasFoundMatches = true;
                      allExtends[extendIndex].selfSelectors.forEach(function (selfSelector) {
                          var extendedSelectors;
                          extendedSelectors = extendVisitor.extendSelector(matches, selectorPath, selfSelector, allExtends[extendIndex].isVisible());
                          selectorsToAdd.push(extendedSelectors);
                      });
                  }
              }
          }
          rulesetNode.paths = rulesetNode.paths.concat(selectorsToAdd);
      };
      ProcessExtendsVisitor.prototype.findMatch = function (extend, haystackSelectorPath) {
          //
          // look through the haystack selector path to try and find the needle - extend.selector
          // returns an array of selector matches that can then be replaced
          //
          var haystackSelectorIndex;
          var hackstackSelector;
          var hackstackElementIndex;
          var haystackElement;
          var targetCombinator;
          var i;
          var extendVisitor = this;
          var needleElements = extend.selector.elements;
          var potentialMatches = [];
          var potentialMatch;
          var matches = [];
          // loop through the haystack elements
          for (haystackSelectorIndex = 0; haystackSelectorIndex < haystackSelectorPath.length; haystackSelectorIndex++) {
              hackstackSelector = haystackSelectorPath[haystackSelectorIndex];
              for (hackstackElementIndex = 0; hackstackElementIndex < hackstackSelector.elements.length; hackstackElementIndex++) {
                  haystackElement = hackstackSelector.elements[hackstackElementIndex];
                  // if we allow elements before our match we can add a potential match every time. otherwise only at the first element.
                  if (extend.allowBefore || (haystackSelectorIndex === 0 && hackstackElementIndex === 0)) {
                      potentialMatches.push({ pathIndex: haystackSelectorIndex, index: hackstackElementIndex, matched: 0,
                          initialCombinator: haystackElement.combinator });
                  }
                  for (i = 0; i < potentialMatches.length; i++) {
                      potentialMatch = potentialMatches[i];
                      // selectors add " " onto the first element. When we use & it joins the selectors together, but if we don't
                      // then each selector in haystackSelectorPath has a space before it added in the toCSS phase. so we need to
                      // work out what the resulting combinator will be
                      targetCombinator = haystackElement.combinator.value;
                      if (targetCombinator === '' && hackstackElementIndex === 0) {
                          targetCombinator = ' ';
                      }
                      // if we don't match, null our match to indicate failure
                      if (!extendVisitor.isElementValuesEqual(needleElements[potentialMatch.matched].value, haystackElement.value) ||
                          (potentialMatch.matched > 0 && needleElements[potentialMatch.matched].combinator.value !== targetCombinator)) {
                          potentialMatch = null;
                      }
                      else {
                          potentialMatch.matched++;
                      }
                      // if we are still valid and have finished, test whether we have elements after and whether these are allowed
                      if (potentialMatch) {
                          potentialMatch.finished = potentialMatch.matched === needleElements.length;
                          if (potentialMatch.finished &&
                              (!extend.allowAfter &&
                                  (hackstackElementIndex + 1 < hackstackSelector.elements.length || haystackSelectorIndex + 1 < haystackSelectorPath.length))) {
                              potentialMatch = null;
                          }
                      }
                      // if null we remove, if not, we are still valid, so either push as a valid match or continue
                      if (potentialMatch) {
                          if (potentialMatch.finished) {
                              potentialMatch.length = needleElements.length;
                              potentialMatch.endPathIndex = haystackSelectorIndex;
                              potentialMatch.endPathElementIndex = hackstackElementIndex + 1; // index after end of match
                              potentialMatches.length = 0; // we don't allow matches to overlap, so start matching again
                              matches.push(potentialMatch);
                          }
                      }
                      else {
                          potentialMatches.splice(i, 1);
                          i--;
                      }
                  }
              }
          }
          return matches;
      };
      ProcessExtendsVisitor.prototype.isElementValuesEqual = function (elementValue1, elementValue2) {
          if (typeof elementValue1 === 'string' || typeof elementValue2 === 'string') {
              return elementValue1 === elementValue2;
          }
          if (elementValue1 instanceof tree.Attribute) {
              if (elementValue1.op !== elementValue2.op || elementValue1.key !== elementValue2.key) {
                  return false;
              }
              if (!elementValue1.value || !elementValue2.value) {
                  if (elementValue1.value || elementValue2.value) {
                      return false;
                  }
                  return true;
              }
              elementValue1 = elementValue1.value.value || elementValue1.value;
              elementValue2 = elementValue2.value.value || elementValue2.value;
              return elementValue1 === elementValue2;
          }
          elementValue1 = elementValue1.value;
          elementValue2 = elementValue2.value;
          if (elementValue1 instanceof tree.Selector) {
              if (!(elementValue2 instanceof tree.Selector) || elementValue1.elements.length !== elementValue2.elements.length) {
                  return false;
              }
              for (var i = 0; i < elementValue1.elements.length; i++) {
                  if (elementValue1.elements[i].combinator.value !== elementValue2.elements[i].combinator.value) {
                      if (i !== 0 || (elementValue1.elements[i].combinator.value || ' ') !== (elementValue2.elements[i].combinator.value || ' ')) {
                          return false;
                      }
                  }
                  if (!this.isElementValuesEqual(elementValue1.elements[i].value, elementValue2.elements[i].value)) {
                      return false;
                  }
              }
              return true;
          }
          return false;
      };
      ProcessExtendsVisitor.prototype.extendSelector = function (matches, selectorPath, replacementSelector, isVisible) {
          // for a set of matches, replace each match with the replacement selector
          var currentSelectorPathIndex = 0;
          var currentSelectorPathElementIndex = 0;
          var path = [];
          var matchIndex;
          var selector;
          var firstElement;
          var match;
          var newElements;
          for (matchIndex = 0; matchIndex < matches.length; matchIndex++) {
              match = matches[matchIndex];
              selector = selectorPath[match.pathIndex];
              firstElement = new tree.Element(match.initialCombinator, replacementSelector.elements[0].value, replacementSelector.elements[0].isVariable, replacementSelector.elements[0].getIndex(), replacementSelector.elements[0].fileInfo());
              if (match.pathIndex > currentSelectorPathIndex && currentSelectorPathElementIndex > 0) {
                  path[path.length - 1].elements = path[path.length - 1]
                      .elements.concat(selectorPath[currentSelectorPathIndex].elements.slice(currentSelectorPathElementIndex));
                  currentSelectorPathElementIndex = 0;
                  currentSelectorPathIndex++;
              }
              newElements = selector.elements
                  .slice(currentSelectorPathElementIndex, match.index)
                  .concat([firstElement])
                  .concat(replacementSelector.elements.slice(1));
              if (currentSelectorPathIndex === match.pathIndex && matchIndex > 0) {
                  path[path.length - 1].elements =
                      path[path.length - 1].elements.concat(newElements);
              }
              else {
                  path = path.concat(selectorPath.slice(currentSelectorPathIndex, match.pathIndex));
                  path.push(new tree.Selector(newElements));
              }
              currentSelectorPathIndex = match.endPathIndex;
              currentSelectorPathElementIndex = match.endPathElementIndex;
              if (currentSelectorPathElementIndex >= selectorPath[currentSelectorPathIndex].elements.length) {
                  currentSelectorPathElementIndex = 0;
                  currentSelectorPathIndex++;
              }
          }
          if (currentSelectorPathIndex < selectorPath.length && currentSelectorPathElementIndex > 0) {
              path[path.length - 1].elements = path[path.length - 1]
                  .elements.concat(selectorPath[currentSelectorPathIndex].elements.slice(currentSelectorPathElementIndex));
              currentSelectorPathIndex++;
          }
          path = path.concat(selectorPath.slice(currentSelectorPathIndex, selectorPath.length));
          path = path.map(function (currentValue) {
              // we can re-use elements here, because the visibility property matters only for selectors
              var derived = currentValue.createDerived(currentValue.elements);
              if (isVisible) {
                  derived.ensureVisibility();
              }
              else {
                  derived.ensureInvisibility();
              }
              return derived;
          });
          return path;
      };
      ProcessExtendsVisitor.prototype.visitMedia = function (mediaNode, visitArgs) {
          var newAllExtends = mediaNode.allExtends.concat(this.allExtendsStack[this.allExtendsStack.length - 1]);
          newAllExtends = newAllExtends.concat(this.doExtendChaining(newAllExtends, mediaNode.allExtends));
          this.allExtendsStack.push(newAllExtends);
      };
      ProcessExtendsVisitor.prototype.visitMediaOut = function (mediaNode) {
          var lastIndex = this.allExtendsStack.length - 1;
          this.allExtendsStack.length = lastIndex;
      };
      ProcessExtendsVisitor.prototype.visitAtRule = function (atRuleNode, visitArgs) {
          var newAllExtends = atRuleNode.allExtends.concat(this.allExtendsStack[this.allExtendsStack.length - 1]);
          newAllExtends = newAllExtends.concat(this.doExtendChaining(newAllExtends, atRuleNode.allExtends));
          this.allExtendsStack.push(newAllExtends);
      };
      ProcessExtendsVisitor.prototype.visitAtRuleOut = function (atRuleNode) {
          var lastIndex = this.allExtendsStack.length - 1;
          this.allExtendsStack.length = lastIndex;
      };
      return ProcessExtendsVisitor;
  }());

  var JoinSelectorVisitor = /** @class */ (function () {
      function JoinSelectorVisitor() {
          this.contexts = [[]];
          this._visitor = new Visitor(this);
      }
      JoinSelectorVisitor.prototype.run = function (root) {
          return this._visitor.visit(root);
      };
      JoinSelectorVisitor.prototype.visitDeclaration = function (declNode, visitArgs) {
          visitArgs.visitDeeper = false;
      };
      JoinSelectorVisitor.prototype.visitMixinDefinition = function (mixinDefinitionNode, visitArgs) {
          visitArgs.visitDeeper = false;
      };
      JoinSelectorVisitor.prototype.visitRuleset = function (rulesetNode, visitArgs) {
          var context = this.contexts[this.contexts.length - 1];
          var paths = [];
          var selectors;
          this.contexts.push(paths);
          if (!rulesetNode.root) {
              selectors = rulesetNode.selectors;
              if (selectors) {
                  selectors = selectors.filter(function (selector) { return selector.getIsOutput(); });
                  rulesetNode.selectors = selectors.length ? selectors : (selectors = null);
                  if (selectors) {
                      rulesetNode.joinSelectors(paths, context, selectors);
                  }
              }
              if (!selectors) {
                  rulesetNode.rules = null;
              }
              rulesetNode.paths = paths;
          }
      };
      JoinSelectorVisitor.prototype.visitRulesetOut = function (rulesetNode) {
          this.contexts.length = this.contexts.length - 1;
      };
      JoinSelectorVisitor.prototype.visitMedia = function (mediaNode, visitArgs) {
          var context = this.contexts[this.contexts.length - 1];
          mediaNode.rules[0].root = (context.length === 0 || context[0].multiMedia);
      };
      JoinSelectorVisitor.prototype.visitAtRule = function (atRuleNode, visitArgs) {
          var context = this.contexts[this.contexts.length - 1];
          if (atRuleNode.rules && atRuleNode.rules.length) {
              atRuleNode.rules[0].root = (atRuleNode.isRooted || context.length === 0 || null);
          }
      };
      return JoinSelectorVisitor;
  }());

  var CSSVisitorUtils = /** @class */ (function () {
      function CSSVisitorUtils(context) {
          this._visitor = new Visitor(this);
          this._context = context;
      }
      CSSVisitorUtils.prototype.containsSilentNonBlockedChild = function (bodyRules) {
          var rule;
          if (!bodyRules) {
              return false;
          }
          for (var r = 0; r < bodyRules.length; r++) {
              rule = bodyRules[r];
              if (rule.isSilent && rule.isSilent(this._context) && !rule.blocksVisibility()) {
                  // the atrule contains something that was referenced (likely by extend)
                  // therefore it needs to be shown in output too
                  return true;
              }
          }
          return false;
      };
      CSSVisitorUtils.prototype.keepOnlyVisibleChilds = function (owner) {
          if (owner && owner.rules) {
              owner.rules = owner.rules.filter(function (thing) { return thing.isVisible(); });
          }
      };
      CSSVisitorUtils.prototype.isEmpty = function (owner) {
          return (owner && owner.rules)
              ? (owner.rules.length === 0) : true;
      };
      CSSVisitorUtils.prototype.hasVisibleSelector = function (rulesetNode) {
          return (rulesetNode && rulesetNode.paths)
              ? (rulesetNode.paths.length > 0) : false;
      };
      CSSVisitorUtils.prototype.resolveVisibility = function (node, originalRules) {
          if (!node.blocksVisibility()) {
              if (this.isEmpty(node) && !this.containsSilentNonBlockedChild(originalRules)) {
                  return;
              }
              return node;
          }
          var compiledRulesBody = node.rules[0];
          this.keepOnlyVisibleChilds(compiledRulesBody);
          if (this.isEmpty(compiledRulesBody)) {
              return;
          }
          node.ensureVisibility();
          node.removeVisibilityBlock();
          return node;
      };
      CSSVisitorUtils.prototype.isVisibleRuleset = function (rulesetNode) {
          if (rulesetNode.firstRoot) {
              return true;
          }
          if (this.isEmpty(rulesetNode)) {
              return false;
          }
          if (!rulesetNode.root && !this.hasVisibleSelector(rulesetNode)) {
              return false;
          }
          return true;
      };
      return CSSVisitorUtils;
  }());
  var ToCSSVisitor = function (context) {
      this._visitor = new Visitor(this);
      this._context = context;
      this.utils = new CSSVisitorUtils(context);
  };
  ToCSSVisitor.prototype = {
      isReplacing: true,
      run: function (root) {
          return this._visitor.visit(root);
      },
      visitDeclaration: function (declNode, visitArgs) {
          if (declNode.blocksVisibility() || declNode.variable) {
              return;
          }
          return declNode;
      },
      visitMixinDefinition: function (mixinNode, visitArgs) {
          // mixin definitions do not get eval'd - this means they keep state
          // so we have to clear that state here so it isn't used if toCSS is called twice
          mixinNode.frames = [];
      },
      visitExtend: function (extendNode, visitArgs) {
      },
      visitComment: function (commentNode, visitArgs) {
          if (commentNode.blocksVisibility() || commentNode.isSilent(this._context)) {
              return;
          }
          return commentNode;
      },
      visitMedia: function (mediaNode, visitArgs) {
          var originalRules = mediaNode.rules[0].rules;
          mediaNode.accept(this._visitor);
          visitArgs.visitDeeper = false;
          return this.utils.resolveVisibility(mediaNode, originalRules);
      },
      visitImport: function (importNode, visitArgs) {
          if (importNode.blocksVisibility()) {
              return;
          }
          return importNode;
      },
      visitAtRule: function (atRuleNode, visitArgs) {
          if (atRuleNode.rules && atRuleNode.rules.length) {
              return this.visitAtRuleWithBody(atRuleNode, visitArgs);
          }
          else {
              return this.visitAtRuleWithoutBody(atRuleNode, visitArgs);
          }
      },
      visitAnonymous: function (anonymousNode, visitArgs) {
          if (!anonymousNode.blocksVisibility()) {
              anonymousNode.accept(this._visitor);
              return anonymousNode;
          }
      },
      visitAtRuleWithBody: function (atRuleNode, visitArgs) {
          // if there is only one nested ruleset and that one has no path, then it is
          // just fake ruleset
          function hasFakeRuleset(atRuleNode) {
              var bodyRules = atRuleNode.rules;
              return bodyRules.length === 1 && (!bodyRules[0].paths || bodyRules[0].paths.length === 0);
          }
          function getBodyRules(atRuleNode) {
              var nodeRules = atRuleNode.rules;
              if (hasFakeRuleset(atRuleNode)) {
                  return nodeRules[0].rules;
              }
              return nodeRules;
          }
          // it is still true that it is only one ruleset in array
          // this is last such moment
          // process childs
          var originalRules = getBodyRules(atRuleNode);
          atRuleNode.accept(this._visitor);
          visitArgs.visitDeeper = false;
          if (!this.utils.isEmpty(atRuleNode)) {
              this._mergeRules(atRuleNode.rules[0].rules);
          }
          return this.utils.resolveVisibility(atRuleNode, originalRules);
      },
      visitAtRuleWithoutBody: function (atRuleNode, visitArgs) {
          if (atRuleNode.blocksVisibility()) {
              return;
          }
          if (atRuleNode.name === '@charset') {
              // Only output the debug info together with subsequent @charset definitions
              // a comment (or @media statement) before the actual @charset atrule would
              // be considered illegal css as it has to be on the first line
              if (this.charset) {
                  if (atRuleNode.debugInfo) {
                      var comment = new tree.Comment("/* " + atRuleNode.toCSS(this._context).replace(/\n/g, '') + " */\n");
                      comment.debugInfo = atRuleNode.debugInfo;
                      return this._visitor.visit(comment);
                  }
                  return;
              }
              this.charset = true;
          }
          return atRuleNode;
      },
      checkValidNodes: function (rules, isRoot) {
          if (!rules) {
              return;
          }
          for (var i = 0; i < rules.length; i++) {
              var ruleNode = rules[i];
              if (isRoot && ruleNode instanceof tree.Declaration && !ruleNode.variable) {
                  throw { message: 'Properties must be inside selector blocks. They cannot be in the root',
                      index: ruleNode.getIndex(), filename: ruleNode.fileInfo() && ruleNode.fileInfo().filename };
              }
              if (ruleNode instanceof tree.Call) {
                  throw { message: "Function '" + ruleNode.name + "' is undefined", index: ruleNode.getIndex(), filename: ruleNode.fileInfo() && ruleNode.fileInfo().filename };
              }
              if (ruleNode.type && !ruleNode.allowRoot) {
                  throw { message: ruleNode.type + " node returned by a function is not valid here", index: ruleNode.getIndex(), filename: ruleNode.fileInfo() && ruleNode.fileInfo().filename };
              }
          }
      },
      visitRuleset: function (rulesetNode, visitArgs) {
          // at this point rulesets are nested into each other
          var rule;
          var rulesets = [];
          this.checkValidNodes(rulesetNode.rules, rulesetNode.firstRoot);
          if (!rulesetNode.root) {
              // remove invisible paths
              this._compileRulesetPaths(rulesetNode);
              // remove rulesets from this ruleset body and compile them separately
              var nodeRules = rulesetNode.rules;
              var nodeRuleCnt = nodeRules ? nodeRules.length : 0;
              for (var i = 0; i < nodeRuleCnt;) {
                  rule = nodeRules[i];
                  if (rule && rule.rules) {
                      // visit because we are moving them out from being a child
                      rulesets.push(this._visitor.visit(rule));
                      nodeRules.splice(i, 1);
                      nodeRuleCnt--;
                      continue;
                  }
                  i++;
              }
              // accept the visitor to remove rules and refactor itself
              // then we can decide nogw whether we want it or not
              // compile body
              if (nodeRuleCnt > 0) {
                  rulesetNode.accept(this._visitor);
              }
              else {
                  rulesetNode.rules = null;
              }
              visitArgs.visitDeeper = false;
          }
          else { // if (! rulesetNode.root) {
              rulesetNode.accept(this._visitor);
              visitArgs.visitDeeper = false;
          }
          if (rulesetNode.rules) {
              this._mergeRules(rulesetNode.rules);
              this._removeDuplicateRules(rulesetNode.rules);
          }
          // now decide whether we keep the ruleset
          if (this.utils.isVisibleRuleset(rulesetNode)) {
              rulesetNode.ensureVisibility();
              rulesets.splice(0, 0, rulesetNode);
          }
          if (rulesets.length === 1) {
              return rulesets[0];
          }
          return rulesets;
      },
      _compileRulesetPaths: function (rulesetNode) {
          if (rulesetNode.paths) {
              rulesetNode.paths = rulesetNode.paths
                  .filter(function (p) {
                  var i;
                  if (p[0].elements[0].combinator.value === ' ') {
                      p[0].elements[0].combinator = new (tree.Combinator)('');
                  }
                  for (i = 0; i < p.length; i++) {
                      if (p[i].isVisible() && p[i].getIsOutput()) {
                          return true;
                      }
                  }
                  return false;
              });
          }
      },
      _removeDuplicateRules: function (rules) {
          if (!rules) {
              return;
          }
          // remove duplicates
          var ruleCache = {};
          var ruleList;
          var rule;
          var i;
          for (i = rules.length - 1; i >= 0; i--) {
              rule = rules[i];
              if (rule instanceof tree.Declaration) {
                  if (!ruleCache[rule.name]) {
                      ruleCache[rule.name] = rule;
                  }
                  else {
                      ruleList = ruleCache[rule.name];
                      if (ruleList instanceof tree.Declaration) {
                          ruleList = ruleCache[rule.name] = [ruleCache[rule.name].toCSS(this._context)];
                      }
                      var ruleCSS = rule.toCSS(this._context);
                      if (ruleList.indexOf(ruleCSS) !== -1) {
                          rules.splice(i, 1);
                      }
                      else {
                          ruleList.push(ruleCSS);
                      }
                  }
              }
          }
      },
      _mergeRules: function (rules) {
          if (!rules) {
              return;
          }
          var groups = {};
          var groupsArr = [];
          for (var i = 0; i < rules.length; i++) {
              var rule = rules[i];
              if (rule.merge) {
                  var key = rule.name;
                  groups[key] ? rules.splice(i--, 1) :
                      groupsArr.push(groups[key] = []);
                  groups[key].push(rule);
              }
          }
          groupsArr.forEach(function (group) {
              if (group.length > 0) {
                  var result_1 = group[0];
                  var space_1 = [];
                  var comma_1 = [new tree.Expression(space_1)];
                  group.forEach(function (rule) {
                      if ((rule.merge === '+') && (space_1.length > 0)) {
                          comma_1.push(new tree.Expression(space_1 = []));
                      }
                      space_1.push(rule.value);
                      result_1.important = result_1.important || rule.important;
                  });
                  result_1.value = new tree.Value(comma_1);
              }
          });
      }
  };

  var visitors = {
      Visitor: Visitor,
      ImportVisitor: ImportVisitor,
      MarkVisibleSelectorsVisitor: SetTreeVisibilityVisitor,
      ExtendVisitor: ProcessExtendsVisitor,
      JoinSelectorVisitor: JoinSelectorVisitor,
      ToCSSVisitor: ToCSSVisitor
  };

  // Split the input into chunks.
  var chunker = (function (input, fail) {
      var len = input.length;
      var level = 0;
      var parenLevel = 0;
      var lastOpening;
      var lastOpeningParen;
      var lastMultiComment;
      var lastMultiCommentEndBrace;
      var chunks = [];
      var emitFrom = 0;
      var chunkerCurrentIndex;
      var currentChunkStartIndex;
      var cc;
      var cc2;
      var matched;
      function emitChunk(force) {
          var len = chunkerCurrentIndex - emitFrom;
          if (((len < 512) && !force) || !len) {
              return;
          }
          chunks.push(input.slice(emitFrom, chunkerCurrentIndex + 1));
          emitFrom = chunkerCurrentIndex + 1;
      }
      for (chunkerCurrentIndex = 0; chunkerCurrentIndex < len; chunkerCurrentIndex++) {
          cc = input.charCodeAt(chunkerCurrentIndex);
          if (((cc >= 97) && (cc <= 122)) || (cc < 34)) {
              // a-z or whitespace
              continue;
          }
          switch (cc) {
              case 40: // (
                  parenLevel++;
                  lastOpeningParen = chunkerCurrentIndex;
                  continue;
              case 41: // )
                  if (--parenLevel < 0) {
                      return fail('missing opening `(`', chunkerCurrentIndex);
                  }
                  continue;
              case 59: // ;
                  if (!parenLevel) {
                      emitChunk();
                  }
                  continue;
              case 123: // {
                  level++;
                  lastOpening = chunkerCurrentIndex;
                  continue;
              case 125: // }
                  if (--level < 0) {
                      return fail('missing opening `{`', chunkerCurrentIndex);
                  }
                  if (!level && !parenLevel) {
                      emitChunk();
                  }
                  continue;
              case 92: // \
                  if (chunkerCurrentIndex < len - 1) {
                      chunkerCurrentIndex++;
                      continue;
                  }
                  return fail('unescaped `\\`', chunkerCurrentIndex);
              case 34:
              case 39:
              case 96: // ", ' and `
                  matched = 0;
                  currentChunkStartIndex = chunkerCurrentIndex;
                  for (chunkerCurrentIndex = chunkerCurrentIndex + 1; chunkerCurrentIndex < len; chunkerCurrentIndex++) {
                      cc2 = input.charCodeAt(chunkerCurrentIndex);
                      if (cc2 > 96) {
                          continue;
                      }
                      if (cc2 == cc) {
                          matched = 1;
                          break;
                      }
                      if (cc2 == 92) { // \
                          if (chunkerCurrentIndex == len - 1) {
                              return fail('unescaped `\\`', chunkerCurrentIndex);
                          }
                          chunkerCurrentIndex++;
                      }
                  }
                  if (matched) {
                      continue;
                  }
                  return fail("unmatched `" + String.fromCharCode(cc) + "`", currentChunkStartIndex);
              case 47: // /, check for comment
                  if (parenLevel || (chunkerCurrentIndex == len - 1)) {
                      continue;
                  }
                  cc2 = input.charCodeAt(chunkerCurrentIndex + 1);
                  if (cc2 == 47) {
                      // //, find lnfeed
                      for (chunkerCurrentIndex = chunkerCurrentIndex + 2; chunkerCurrentIndex < len; chunkerCurrentIndex++) {
                          cc2 = input.charCodeAt(chunkerCurrentIndex);
                          if ((cc2 <= 13) && ((cc2 == 10) || (cc2 == 13))) {
                              break;
                          }
                      }
                  }
                  else if (cc2 == 42) {
                      // /*, find */
                      lastMultiComment = currentChunkStartIndex = chunkerCurrentIndex;
                      for (chunkerCurrentIndex = chunkerCurrentIndex + 2; chunkerCurrentIndex < len - 1; chunkerCurrentIndex++) {
                          cc2 = input.charCodeAt(chunkerCurrentIndex);
                          if (cc2 == 125) {
                              lastMultiCommentEndBrace = chunkerCurrentIndex;
                          }
                          if (cc2 != 42) {
                              continue;
                          }
                          if (input.charCodeAt(chunkerCurrentIndex + 1) == 47) {
                              break;
                          }
                      }
                      if (chunkerCurrentIndex == len - 1) {
                          return fail('missing closing `*/`', currentChunkStartIndex);
                      }
                      chunkerCurrentIndex++;
                  }
                  continue;
              case 42: // *, check for unmatched */
                  if ((chunkerCurrentIndex < len - 1) && (input.charCodeAt(chunkerCurrentIndex + 1) == 47)) {
                      return fail('unmatched `/*`', chunkerCurrentIndex);
                  }
                  continue;
          }
      }
      if (level !== 0) {
          if ((lastMultiComment > lastOpening) && (lastMultiCommentEndBrace > lastMultiComment)) {
              return fail('missing closing `}` or `*/`', lastOpening);
          }
          else {
              return fail('missing closing `}`', lastOpening);
          }
      }
      else if (parenLevel !== 0) {
          return fail('missing closing `)`', lastOpeningParen);
      }
      emitChunk(true);
      return chunks;
  });

  var getParserInput = (function () {
      var // Less input string
      input;
      var // current chunk
      j;
      var // holds state for backtracking
      saveStack = [];
      var // furthest index the parser has gone to
      furthest;
      var // if this is furthest we got to, this is the probably cause
      furthestPossibleErrorMessage;
      var // chunkified input
      chunks;
      var // current chunk
      current;
      var // index of current chunk, in `input`
      currentPos;
      var parserInput = {};
      var CHARCODE_SPACE = 32;
      var CHARCODE_TAB = 9;
      var CHARCODE_LF = 10;
      var CHARCODE_CR = 13;
      var CHARCODE_PLUS = 43;
      var CHARCODE_COMMA = 44;
      var CHARCODE_FORWARD_SLASH = 47;
      var CHARCODE_9 = 57;
      function skipWhitespace(length) {
          var oldi = parserInput.i;
          var oldj = j;
          var curr = parserInput.i - currentPos;
          var endIndex = parserInput.i + current.length - curr;
          var mem = (parserInput.i += length);
          var inp = input;
          var c;
          var nextChar;
          var comment;
          for (; parserInput.i < endIndex; parserInput.i++) {
              c = inp.charCodeAt(parserInput.i);
              if (parserInput.autoCommentAbsorb && c === CHARCODE_FORWARD_SLASH) {
                  nextChar = inp.charAt(parserInput.i + 1);
                  if (nextChar === '/') {
                      comment = { index: parserInput.i, isLineComment: true };
                      var nextNewLine = inp.indexOf('\n', parserInput.i + 2);
                      if (nextNewLine < 0) {
                          nextNewLine = endIndex;
                      }
                      parserInput.i = nextNewLine;
                      comment.text = inp.substr(comment.index, parserInput.i - comment.index);
                      parserInput.commentStore.push(comment);
                      continue;
                  }
                  else if (nextChar === '*') {
                      var nextStarSlash = inp.indexOf('*/', parserInput.i + 2);
                      if (nextStarSlash >= 0) {
                          comment = {
                              index: parserInput.i,
                              text: inp.substr(parserInput.i, nextStarSlash + 2 - parserInput.i),
                              isLineComment: false
                          };
                          parserInput.i += comment.text.length - 1;
                          parserInput.commentStore.push(comment);
                          continue;
                      }
                  }
                  break;
              }
              if ((c !== CHARCODE_SPACE) && (c !== CHARCODE_LF) && (c !== CHARCODE_TAB) && (c !== CHARCODE_CR)) {
                  break;
              }
          }
          current = current.slice(length + parserInput.i - mem + curr);
          currentPos = parserInput.i;
          if (!current.length) {
              if (j < chunks.length - 1) {
                  current = chunks[++j];
                  skipWhitespace(0); // skip space at the beginning of a chunk
                  return true; // things changed
              }
              parserInput.finished = true;
          }
          return oldi !== parserInput.i || oldj !== j;
      }
      parserInput.save = function () {
          currentPos = parserInput.i;
          saveStack.push({ current: current, i: parserInput.i, j: j });
      };
      parserInput.restore = function (possibleErrorMessage) {
          if (parserInput.i > furthest || (parserInput.i === furthest && possibleErrorMessage && !furthestPossibleErrorMessage)) {
              furthest = parserInput.i;
              furthestPossibleErrorMessage = possibleErrorMessage;
          }
          var state = saveStack.pop();
          current = state.current;
          currentPos = parserInput.i = state.i;
          j = state.j;
      };
      parserInput.forget = function () {
          saveStack.pop();
      };
      parserInput.isWhitespace = function (offset) {
          var pos = parserInput.i + (offset || 0);
          var code = input.charCodeAt(pos);
          return (code === CHARCODE_SPACE || code === CHARCODE_CR || code === CHARCODE_TAB || code === CHARCODE_LF);
      };
      // Specialization of $(tok)
      parserInput.$re = function (tok) {
          if (parserInput.i > currentPos) {
              current = current.slice(parserInput.i - currentPos);
              currentPos = parserInput.i;
          }
          var m = tok.exec(current);
          if (!m) {
              return null;
          }
          skipWhitespace(m[0].length);
          if (typeof m === 'string') {
              return m;
          }
          return m.length === 1 ? m[0] : m;
      };
      parserInput.$char = function (tok) {
          if (input.charAt(parserInput.i) !== tok) {
              return null;
          }
          skipWhitespace(1);
          return tok;
      };
      parserInput.$str = function (tok) {
          var tokLength = tok.length;
          // https://jsperf.com/string-startswith/21
          for (var i = 0; i < tokLength; i++) {
              if (input.charAt(parserInput.i + i) !== tok.charAt(i)) {
                  return null;
              }
          }
          skipWhitespace(tokLength);
          return tok;
      };
      parserInput.$quoted = function (loc) {
          var pos = loc || parserInput.i;
          var startChar = input.charAt(pos);
          if (startChar !== '\'' && startChar !== '"') {
              return;
          }
          var length = input.length;
          var currentPosition = pos;
          for (var i = 1; i + currentPosition < length; i++) {
              var nextChar = input.charAt(i + currentPosition);
              switch (nextChar) {
                  case '\\':
                      i++;
                      continue;
                  case '\r':
                  case '\n':
                      break;
                  case startChar:
                      var str = input.substr(currentPosition, i + 1);
                      if (!loc && loc !== 0) {
                          skipWhitespace(i + 1);
                          return str;
                      }
                      return [startChar, str];
              }
          }
          return null;
      };
      /**
       * Permissive parsing. Ignores everything except matching {} [] () and quotes
       * until matching token (outside of blocks)
       */
      parserInput.$parseUntil = function (tok) {
          var quote = '';
          var returnVal = null;
          var inComment = false;
          var blockDepth = 0;
          var blockStack = [];
          var parseGroups = [];
          var length = input.length;
          var startPos = parserInput.i;
          var lastPos = parserInput.i;
          var i = parserInput.i;
          var loop = true;
          var testChar;
          if (typeof tok === 'string') {
              testChar = function (char) { return char === tok; };
          }
          else {
              testChar = function (char) { return tok.test(char); };
          }
          do {
              var nextChar = input.charAt(i);
              if (blockDepth === 0 && testChar(nextChar)) {
                  returnVal = input.substr(lastPos, i - lastPos);
                  if (returnVal) {
                      parseGroups.push(returnVal);
                  }
                  else {
                      parseGroups.push(' ');
                  }
                  returnVal = parseGroups;
                  skipWhitespace(i - startPos);
                  loop = false;
              }
              else {
                  if (inComment) {
                      if (nextChar === '*' &&
                          input.charAt(i + 1) === '/') {
                          i++;
                          blockDepth--;
                          inComment = false;
                      }
                      i++;
                      continue;
                  }
                  switch (nextChar) {
                      case '\\':
                          i++;
                          nextChar = input.charAt(i);
                          parseGroups.push(input.substr(lastPos, i - lastPos + 1));
                          lastPos = i + 1;
                          break;
                      case '/':
                          if (input.charAt(i + 1) === '*') {
                              i++;
                              inComment = true;
                              blockDepth++;
                          }
                          break;
                      case '\'':
                      case '"':
                          quote = parserInput.$quoted(i);
                          if (quote) {
                              parseGroups.push(input.substr(lastPos, i - lastPos), quote);
                              i += quote[1].length - 1;
                              lastPos = i + 1;
                          }
                          else {
                              skipWhitespace(i - startPos);
                              returnVal = nextChar;
                              loop = false;
                          }
                          break;
                      case '{':
                          blockStack.push('}');
                          blockDepth++;
                          break;
                      case '(':
                          blockStack.push(')');
                          blockDepth++;
                          break;
                      case '[':
                          blockStack.push(']');
                          blockDepth++;
                          break;
                      case '}':
                      case ')':
                      case ']':
                          var expected = blockStack.pop();
                          if (nextChar === expected) {
                              blockDepth--;
                          }
                          else {
                              // move the parser to the error and return expected
                              skipWhitespace(i - startPos);
                              returnVal = expected;
                              loop = false;
                          }
                  }
                  i++;
                  if (i > length) {
                      loop = false;
                  }
              }
          } while (loop);
          return returnVal ? returnVal : null;
      };
      parserInput.autoCommentAbsorb = true;
      parserInput.commentStore = [];
      parserInput.finished = false;
      // Same as $(), but don't change the state of the parser,
      // just return the match.
      parserInput.peek = function (tok) {
          if (typeof tok === 'string') {
              // https://jsperf.com/string-startswith/21
              for (var i = 0; i < tok.length; i++) {
                  if (input.charAt(parserInput.i + i) !== tok.charAt(i)) {
                      return false;
                  }
              }
              return true;
          }
          else {
              return tok.test(current);
          }
      };
      // Specialization of peek()
      // TODO remove or change some currentChar calls to peekChar
      parserInput.peekChar = function (tok) { return input.charAt(parserInput.i) === tok; };
      parserInput.currentChar = function () { return input.charAt(parserInput.i); };
      parserInput.prevChar = function () { return input.charAt(parserInput.i - 1); };
      parserInput.getInput = function () { return input; };
      parserInput.peekNotNumeric = function () {
          var c = input.charCodeAt(parserInput.i);
          // Is the first char of the dimension 0-9, '.', '+' or '-'
          return (c > CHARCODE_9 || c < CHARCODE_PLUS) || c === CHARCODE_FORWARD_SLASH || c === CHARCODE_COMMA;
      };
      parserInput.start = function (str, chunkInput, failFunction) {
          input = str;
          parserInput.i = j = currentPos = furthest = 0;
          // chunking apparently makes things quicker (but my tests indicate
          // it might actually make things slower in node at least)
          // and it is a non-perfect parse - it can't recognise
          // unquoted urls, meaning it can't distinguish comments
          // meaning comments with quotes or {}() in them get 'counted'
          // and then lead to parse errors.
          // In addition if the chunking chunks in the wrong place we might
          // not be able to parse a parser statement in one go
          // this is officially deprecated but can be switched on via an option
          // in the case it causes too much performance issues.
          if (chunkInput) {
              chunks = chunker(str, failFunction);
          }
          else {
              chunks = [str];
          }
          current = chunks[0];
          skipWhitespace(0);
      };
      parserInput.end = function () {
          var message;
          var isFinished = parserInput.i >= input.length;
          if (parserInput.i < furthest) {
              message = furthestPossibleErrorMessage;
              parserInput.i = furthest;
          }
          return {
              isFinished: isFinished,
              furthest: parserInput.i,
              furthestPossibleErrorMessage: message,
              furthestReachedEnd: parserInput.i >= input.length - 1,
              furthestChar: input[parserInput.i]
          };
      };
      return parserInput;
  });

  //
  // less.js - parser
  //
  //    A relatively straight-forward predictive parser.
  //    There is no tokenization/lexing stage, the input is parsed
  //    in one sweep.
  //
  //    To make the parser fast enough to run in the browser, several
  //    optimization had to be made:
  //
  //    - Matching and slicing on a huge input is often cause of slowdowns.
  //      The solution is to chunkify the input into smaller strings.
  //      The chunks are stored in the `chunks` var,
  //      `j` holds the current chunk index, and `currentPos` holds
  //      the index of the current chunk in relation to `input`.
  //      This gives us an almost 4x speed-up.
  //
  //    - In many cases, we don't need to match individual tokens;
  //      for example, if a value doesn't hold any variables, operations
  //      or dynamic references, the parser can effectively 'skip' it,
  //      treating it as a literal.
  //      An example would be '1px solid #000' - which evaluates to itself,
  //      we don't need to know what the individual components are.
  //      The drawback, of course is that you don't get the benefits of
  //      syntax-checking on the CSS. This gives us a 50% speed-up in the parser,
  //      and a smaller speed-up in the code-gen.
  //
  //
  //    Token matching is done with the `$` function, which either takes
  //    a terminal string or regexp, or a non-terminal function to call.
  //    It also takes care of moving all the indices forwards.
  //
  var Parser = function Parser(context, imports, fileInfo) {
      var parsers;
      var parserInput = getParserInput();
      function error(msg, type) {
          throw new LessError({
              index: parserInput.i,
              filename: fileInfo.filename,
              type: type || 'Syntax',
              message: msg
          }, imports);
      }
      function expect(arg, msg) {
          // some older browsers return typeof 'function' for RegExp
          var result = (arg instanceof Function) ? arg.call(parsers) : parserInput.$re(arg);
          if (result) {
              return result;
          }
          error(msg || (typeof arg === 'string'
              ? "expected '" + arg + "' got '" + parserInput.currentChar() + "'"
              : 'unexpected token'));
      }
      // Specialization of expect()
      function expectChar(arg, msg) {
          if (parserInput.$char(arg)) {
              return arg;
          }
          error(msg || "expected '" + arg + "' got '" + parserInput.currentChar() + "'");
      }
      function getDebugInfo(index) {
          var filename = fileInfo.filename;
          return {
              lineNumber: getLocation(index, parserInput.getInput()).line + 1,
              fileName: filename
          };
      }
      /**
       *  Used after initial parsing to create nodes on the fly
       *
       *  @param {String} str          - string to parse
       *  @param {Array}  parseList    - array of parsers to run input through e.g. ["value", "important"]
       *  @param {Number} currentIndex - start number to begin indexing
       *  @param {Object} fileInfo     - fileInfo to attach to created nodes
       */
      function parseNode(str, parseList, currentIndex, fileInfo, callback) {
          var result;
          var returnNodes = [];
          var parser = parserInput;
          try {
              parser.start(str, false, function fail(msg, index) {
                  callback({
                      message: msg,
                      index: index + currentIndex
                  });
              });
              for (var x = 0, p = void 0, i = void 0; (p = parseList[x]); x++) {
                  i = parser.i;
                  result = parsers[p]();
                  if (result) {
                      try {
                          result._index = i + currentIndex;
                          result._fileInfo = fileInfo;
                      }
                      catch (e) { }
                      returnNodes.push(result);
                  }
                  else {
                      returnNodes.push(null);
                  }
              }
              var endInfo = parser.end();
              if (endInfo.isFinished) {
                  callback(null, returnNodes);
              }
              else {
                  callback(true, null);
              }
          }
          catch (e) {
              throw new LessError({
                  index: e.index + currentIndex,
                  message: e.message
              }, imports, fileInfo.filename);
          }
      }
      //
      // The Parser
      //
      return {
          parserInput: parserInput,
          imports: imports,
          fileInfo: fileInfo,
          parseNode: parseNode,
          //
          // Parse an input string into an abstract syntax tree,
          // @param str A string containing 'less' markup
          // @param callback call `callback` when done.
          // @param [additionalData] An optional map which can contains vars - a map (key, value) of variables to apply
          //
          parse: function (str, callback, additionalData) {
              var root;
              var error = null;
              var globalVars;
              var modifyVars;
              var ignored;
              var preText = '';
              globalVars = (additionalData && additionalData.globalVars) ? Parser.serializeVars(additionalData.globalVars) + "\n" : '';
              modifyVars = (additionalData && additionalData.modifyVars) ? "\n" + Parser.serializeVars(additionalData.modifyVars) : '';
              if (context.pluginManager) {
                  var preProcessors = context.pluginManager.getPreProcessors();
                  for (var i = 0; i < preProcessors.length; i++) {
                      str = preProcessors[i].process(str, { context: context, imports: imports, fileInfo: fileInfo });
                  }
              }
              if (globalVars || (additionalData && additionalData.banner)) {
                  preText = ((additionalData && additionalData.banner) ? additionalData.banner : '') + globalVars;
                  ignored = imports.contentsIgnoredChars;
                  ignored[fileInfo.filename] = ignored[fileInfo.filename] || 0;
                  ignored[fileInfo.filename] += preText.length;
              }
              str = str.replace(/\r\n?/g, '\n');
              // Remove potential UTF Byte Order Mark
              str = preText + str.replace(/^\uFEFF/, '') + modifyVars;
              imports.contents[fileInfo.filename] = str;
              // Start with the primary rule.
              // The whole syntax tree is held under a Ruleset node,
              // with the `root` property set to true, so no `{}` are
              // output. The callback is called when the input is parsed.
              try {
                  parserInput.start(str, context.chunkInput, function fail(msg, index) {
                      throw new LessError({
                          index: index,
                          type: 'Parse',
                          message: msg,
                          filename: fileInfo.filename
                      }, imports);
                  });
                  tree.Node.prototype.parse = this;
                  root = new tree.Ruleset(null, this.parsers.primary());
                  tree.Node.prototype.rootNode = root;
                  root.root = true;
                  root.firstRoot = true;
                  root.functionRegistry = functionRegistry.inherit();
              }
              catch (e) {
                  return callback(new LessError(e, imports, fileInfo.filename));
              }
              // If `i` is smaller than the `input.length - 1`,
              // it means the parser wasn't able to parse the whole
              // string, so we've got a parsing error.
              //
              // We try to extract a \n delimited string,
              // showing the line where the parse error occurred.
              // We split it up into two parts (the part which parsed,
              // and the part which didn't), so we can color them differently.
              var endInfo = parserInput.end();
              if (!endInfo.isFinished) {
                  var message = endInfo.furthestPossibleErrorMessage;
                  if (!message) {
                      message = 'Unrecognised input';
                      if (endInfo.furthestChar === '}') {
                          message += '. Possibly missing opening \'{\'';
                      }
                      else if (endInfo.furthestChar === ')') {
                          message += '. Possibly missing opening \'(\'';
                      }
                      else if (endInfo.furthestReachedEnd) {
                          message += '. Possibly missing something';
                      }
                  }
                  error = new LessError({
                      type: 'Parse',
                      message: message,
                      index: endInfo.furthest,
                      filename: fileInfo.filename
                  }, imports);
              }
              var finish = function (e) {
                  e = error || e || imports.error;
                  if (e) {
                      if (!(e instanceof LessError)) {
                          e = new LessError(e, imports, fileInfo.filename);
                      }
                      return callback(e);
                  }
                  else {
                      return callback(null, root);
                  }
              };
              if (context.processImports !== false) {
                  new visitors.ImportVisitor(imports, finish)
                      .run(root);
              }
              else {
                  return finish();
              }
          },
          //
          // Here in, the parsing rules/functions
          //
          // The basic structure of the syntax tree generated is as follows:
          //
          //   Ruleset ->  Declaration -> Value -> Expression -> Entity
          //
          // Here's some Less code:
          //
          //    .class {
          //      color: #fff;
          //      border: 1px solid #000;
          //      width: @w + 4px;
          //      > .child {...}
          //    }
          //
          // And here's what the parse tree might look like:
          //
          //     Ruleset (Selector '.class', [
          //         Declaration ("color",  Value ([Expression [Color #fff]]))
          //         Declaration ("border", Value ([Expression [Dimension 1px][Keyword "solid"][Color #000]]))
          //         Declaration ("width",  Value ([Expression [Operation " + " [Variable "@w"][Dimension 4px]]]))
          //         Ruleset (Selector [Element '>', '.child'], [...])
          //     ])
          //
          //  In general, most rules will try to parse a token with the `$re()` function, and if the return
          //  value is truly, will return a new node, of the relevant type. Sometimes, we need to check
          //  first, before parsing, that's when we use `peek()`.
          //
          parsers: parsers = {
              //
              // The `primary` rule is the *entry* and *exit* point of the parser.
              // The rules here can appear at any level of the parse tree.
              //
              // The recursive nature of the grammar is an interplay between the `block`
              // rule, which represents `{ ... }`, the `ruleset` rule, and this `primary` rule,
              // as represented by this simplified grammar:
              //
              //     primary  →  (ruleset | declaration)+
              //     ruleset  →  selector+ block
              //     block    →  '{' primary '}'
              //
              // Only at one point is the primary rule not called from the
              // block rule: at the root level.
              //
              primary: function () {
                  var mixin = this.mixin;
                  var root = [];
                  var node;
                  while (true) {
                      while (true) {
                          node = this.comment();
                          if (!node) {
                              break;
                          }
                          root.push(node);
                      }
                      // always process comments before deciding if finished
                      if (parserInput.finished) {
                          break;
                      }
                      if (parserInput.peek('}')) {
                          break;
                      }
                      node = this.extendRule();
                      if (node) {
                          root = root.concat(node);
                          continue;
                      }
                      node = mixin.definition() || this.declaration() || mixin.call(false, false) ||
                          this.ruleset() || this.variableCall() || this.entities.call() || this.atrule();
                      if (node) {
                          root.push(node);
                      }
                      else {
                          var foundSemiColon = false;
                          while (parserInput.$char(';')) {
                              foundSemiColon = true;
                          }
                          if (!foundSemiColon) {
                              break;
                          }
                      }
                  }
                  return root;
              },
              // comments are collected by the main parsing mechanism and then assigned to nodes
              // where the current structure allows it
              comment: function () {
                  if (parserInput.commentStore.length) {
                      var comment = parserInput.commentStore.shift();
                      return new (tree.Comment)(comment.text, comment.isLineComment, comment.index, fileInfo);
                  }
              },
              //
              // Entities are tokens which can be found inside an Expression
              //
              entities: {
                  mixinLookup: function () {
                      return parsers.mixin.call(true, true);
                  },
                  //
                  // A string, which supports escaping " and '
                  //
                  //     "milky way" 'he\'s the one!'
                  //
                  quoted: function (forceEscaped) {
                      var str;
                      var index = parserInput.i;
                      var isEscaped = false;
                      parserInput.save();
                      if (parserInput.$char('~')) {
                          isEscaped = true;
                      }
                      else if (forceEscaped) {
                          parserInput.restore();
                          return;
                      }
                      str = parserInput.$quoted();
                      if (!str) {
                          parserInput.restore();
                          return;
                      }
                      parserInput.forget();
                      return new (tree.Quoted)(str.charAt(0), str.substr(1, str.length - 2), isEscaped, index, fileInfo);
                  },
                  //
                  // A catch-all word, such as:
                  //
                  //     black border-collapse
                  //
                  keyword: function () {
                      var k = parserInput.$char('%') || parserInput.$re(/^\[?(?:[\w-]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+\]?/);
                      if (k) {
                          return tree.Color.fromKeyword(k) || new (tree.Keyword)(k);
                      }
                  },
                  //
                  // A function call
                  //
                  //     rgb(255, 0, 255)
                  //
                  // The arguments are parsed with the `entities.arguments` parser.
                  //
                  call: function () {
                      var name;
                      var args;
                      var func;
                      var index = parserInput.i;
                      // http://jsperf.com/case-insensitive-regex-vs-strtolower-then-regex/18
                      if (parserInput.peek(/^url\(/i)) {
                          return;
                      }
                      parserInput.save();
                      name = parserInput.$re(/^([\w-]+|%|progid:[\w\.]+)\(/);
                      if (!name) {
                          parserInput.forget();
                          return;
                      }
                      name = name[1];
                      func = this.customFuncCall(name);
                      if (func) {
                          args = func.parse();
                          if (args && func.stop) {
                              parserInput.forget();
                              return args;
                          }
                      }
                      args = this.arguments(args);
                      if (!parserInput.$char(')')) {
                          parserInput.restore('Could not parse call arguments or missing \')\'');
                          return;
                      }
                      parserInput.forget();
                      return new (tree.Call)(name, args, index, fileInfo);
                  },
                  //
                  // Parsing rules for functions with non-standard args, e.g.:
                  //
                  //     boolean(not(2 > 1))
                  //
                  //     This is a quick prototype, to be modified/improved when
                  //     more custom-parsed funcs come (e.g. `selector(...)`)
                  //
                  customFuncCall: function (name) {
                      /* Ideally the table is to be moved out of here for faster perf.,
                         but it's quite tricky since it relies on all these `parsers`
                         and `expect` available only here */
                      return {
                          alpha: f(parsers.ieAlpha, true),
                          boolean: f(condition),
                          'if': f(condition)
                      }[name.toLowerCase()];
                      function f(parse, stop) {
                          return {
                              parse: parse,
                              stop: stop // when true - stop after parse() and return its result, 
                              // otherwise continue for plain args
                          };
                      }
                      function condition() {
                          return [expect(parsers.condition, 'expected condition')];
                      }
                  },
                  arguments: function (prevArgs) {
                      var argsComma = prevArgs || [];
                      var argsSemiColon = [];
                      var isSemiColonSeparated;
                      var value;
                      parserInput.save();
                      while (true) {
                          if (prevArgs) {
                              prevArgs = false;
                          }
                          else {
                              value = parsers.detachedRuleset() || this.assignment() || parsers.expression();
                              if (!value) {
                                  break;
                              }
                              if (value.value && value.value.length == 1) {
                                  value = value.value[0];
                              }
                              argsComma.push(value);
                          }
                          if (parserInput.$char(',')) {
                              continue;
                          }
                          if (parserInput.$char(';') || isSemiColonSeparated) {
                              isSemiColonSeparated = true;
                              value = (argsComma.length < 1) ? argsComma[0]
                                  : new tree.Value(argsComma);
                              argsSemiColon.push(value);
                              argsComma = [];
                          }
                      }
                      parserInput.forget();
                      return isSemiColonSeparated ? argsSemiColon : argsComma;
                  },
                  literal: function () {
                      return this.dimension() ||
                          this.color() ||
                          this.quoted() ||
                          this.unicodeDescriptor();
                  },
                  // Assignments are argument entities for calls.
                  // They are present in ie filter properties as shown below.
                  //
                  //     filter: progid:DXImageTransform.Microsoft.Alpha( *opacity=50* )
                  //
                  assignment: function () {
                      var key;
                      var value;
                      parserInput.save();
                      key = parserInput.$re(/^\w+(?=\s?=)/i);
                      if (!key) {
                          parserInput.restore();
                          return;
                      }
                      if (!parserInput.$char('=')) {
                          parserInput.restore();
                          return;
                      }
                      value = parsers.entity();
                      if (value) {
                          parserInput.forget();
                          return new (tree.Assignment)(key, value);
                      }
                      else {
                          parserInput.restore();
                      }
                  },
                  //
                  // Parse url() tokens
                  //
                  // We use a specific rule for urls, because they don't really behave like
                  // standard function calls. The difference is that the argument doesn't have
                  // to be enclosed within a string, so it can't be parsed as an Expression.
                  //
                  url: function () {
                      var value;
                      var index = parserInput.i;
                      parserInput.autoCommentAbsorb = false;
                      if (!parserInput.$str('url(')) {
                          parserInput.autoCommentAbsorb = true;
                          return;
                      }
                      value = this.quoted() || this.variable() || this.property() ||
                          parserInput.$re(/^(?:(?:\\[\(\)'"])|[^\(\)'"])+/) || '';
                      parserInput.autoCommentAbsorb = true;
                      expectChar(')');
                      return new (tree.URL)((value.value != null ||
                          value instanceof tree.Variable ||
                          value instanceof tree.Property) ?
                          value : new (tree.Anonymous)(value, index), index, fileInfo);
                  },
                  //
                  // A Variable entity, such as `@fink`, in
                  //
                  //     width: @fink + 2px
                  //
                  // We use a different parser for variable definitions,
                  // see `parsers.variable`.
                  //
                  variable: function () {
                      var ch;
                      var name;
                      var index = parserInput.i;
                      parserInput.save();
                      if (parserInput.currentChar() === '@' && (name = parserInput.$re(/^@@?[\w-]+/))) {
                          ch = parserInput.currentChar();
                          if (ch === '(' || ch === '[' && !parserInput.prevChar().match(/^\s/)) {
                              // this may be a VariableCall lookup
                              var result = parsers.variableCall(name);
                              if (result) {
                                  parserInput.forget();
                                  return result;
                              }
                          }
                          parserInput.forget();
                          return new (tree.Variable)(name, index, fileInfo);
                      }
                      parserInput.restore();
                  },
                  // A variable entity using the protective {} e.g. @{var}
                  variableCurly: function () {
                      var curly;
                      var index = parserInput.i;
                      if (parserInput.currentChar() === '@' && (curly = parserInput.$re(/^@\{([\w-]+)\}/))) {
                          return new (tree.Variable)("@" + curly[1], index, fileInfo);
                      }
                  },
                  //
                  // A Property accessor, such as `$color`, in
                  //
                  //     background-color: $color
                  //
                  property: function () {
                      var name;
                      var index = parserInput.i;
                      if (parserInput.currentChar() === '$' && (name = parserInput.$re(/^\$[\w-]+/))) {
                          return new (tree.Property)(name, index, fileInfo);
                      }
                  },
                  // A property entity useing the protective {} e.g. ${prop}
                  propertyCurly: function () {
                      var curly;
                      var index = parserInput.i;
                      if (parserInput.currentChar() === '$' && (curly = parserInput.$re(/^\$\{([\w-]+)\}/))) {
                          return new (tree.Property)("$" + curly[1], index, fileInfo);
                      }
                  },
                  //
                  // A Hexadecimal color
                  //
                  //     #4F3C2F
                  //
                  // `rgb` and `hsl` colors are parsed through the `entities.call` parser.
                  //
                  color: function () {
                      var rgb;
                      parserInput.save();
                      if (parserInput.currentChar() === '#' && (rgb = parserInput.$re(/^#([A-Fa-f0-9]{8}|[A-Fa-f0-9]{6}|[A-Fa-f0-9]{3,4})([\w.#\[])?/))) {
                          if (!rgb[2]) {
                              parserInput.forget();
                              return new (tree.Color)(rgb[1], undefined, rgb[0]);
                          }
                      }
                      parserInput.restore();
                  },
                  colorKeyword: function () {
                      parserInput.save();
                      var autoCommentAbsorb = parserInput.autoCommentAbsorb;
                      parserInput.autoCommentAbsorb = false;
                      var k = parserInput.$re(/^[_A-Za-z-][_A-Za-z0-9-]+/);
                      parserInput.autoCommentAbsorb = autoCommentAbsorb;
                      if (!k) {
                          parserInput.forget();
                          return;
                      }
                      parserInput.restore();
                      var color = tree.Color.fromKeyword(k);
                      if (color) {
                          parserInput.$str(k);
                          return color;
                      }
                  },
                  //
                  // A Dimension, that is, a number and a unit
                  //
                  //     0.5em 95%
                  //
                  dimension: function () {
                      if (parserInput.peekNotNumeric()) {
                          return;
                      }
                      var value = parserInput.$re(/^([+-]?\d*\.?\d+)(%|[a-z_]+)?/i);
                      if (value) {
                          return new (tree.Dimension)(value[1], value[2]);
                      }
                  },
                  //
                  // A unicode descriptor, as is used in unicode-range
                  //
                  // U+0??  or U+00A1-00A9
                  //
                  unicodeDescriptor: function () {
                      var ud;
                      ud = parserInput.$re(/^U\+[0-9a-fA-F?]+(\-[0-9a-fA-F?]+)?/);
                      if (ud) {
                          return new (tree.UnicodeDescriptor)(ud[0]);
                      }
                  },
                  //
                  // JavaScript code to be evaluated
                  //
                  //     `window.location.href`
                  //
                  javascript: function () {
                      var js;
                      var index = parserInput.i;
                      parserInput.save();
                      var escape = parserInput.$char('~');
                      var jsQuote = parserInput.$char('`');
                      if (!jsQuote) {
                          parserInput.restore();
                          return;
                      }
                      js = parserInput.$re(/^[^`]*`/);
                      if (js) {
                          parserInput.forget();
                          return new (tree.JavaScript)(js.substr(0, js.length - 1), Boolean(escape), index, fileInfo);
                      }
                      parserInput.restore('invalid javascript definition');
                  }
              },
              //
              // The variable part of a variable definition. Used in the `rule` parser
              //
              //     @fink:
              //
              variable: function () {
                  var name;
                  if (parserInput.currentChar() === '@' && (name = parserInput.$re(/^(@[\w-]+)\s*:/))) {
                      return name[1];
                  }
              },
              //
              // Call a variable value to retrieve a detached ruleset
              // or a value from a detached ruleset's rules.
              //
              //     @fink();
              //     @fink;
              //     color: @fink[@color];
              //
              variableCall: function (parsedName) {
                  var lookups;
                  var i = parserInput.i;
                  var inValue = !!parsedName;
                  var name = parsedName;
                  parserInput.save();
                  if (name || (parserInput.currentChar() === '@'
                      && (name = parserInput.$re(/^(@[\w-]+)(\(\s*\))?/)))) {
                      lookups = this.mixin.ruleLookups();
                      if (!lookups && ((inValue && parserInput.$str('()') !== '()') || (name[2] !== '()'))) {
                          parserInput.restore('Missing \'[...]\' lookup in variable call');
                          return;
                      }
                      if (!inValue) {
                          name = name[1];
                      }
                      var call = new tree.VariableCall(name, i, fileInfo);
                      if (!inValue && parsers.end()) {
                          parserInput.forget();
                          return call;
                      }
                      else {
                          parserInput.forget();
                          return new tree.NamespaceValue(call, lookups, i, fileInfo);
                      }
                  }
                  parserInput.restore();
              },
              //
              // extend syntax - used to extend selectors
              //
              extend: function (isRule) {
                  var elements;
                  var e;
                  var index = parserInput.i;
                  var option;
                  var extendList;
                  var extend;
                  if (!parserInput.$str(isRule ? '&:extend(' : ':extend(')) {
                      return;
                  }
                  do {
                      option = null;
                      elements = null;
                      while (!(option = parserInput.$re(/^(all)(?=\s*(\)|,))/))) {
                          e = this.element();
                          if (!e) {
                              break;
                          }
                          if (elements) {
                              elements.push(e);
                          }
                          else {
                              elements = [e];
                          }
                      }
                      option = option && option[1];
                      if (!elements) {
                          error('Missing target selector for :extend().');
                      }
                      extend = new (tree.Extend)(new (tree.Selector)(elements), option, index, fileInfo);
                      if (extendList) {
                          extendList.push(extend);
                      }
                      else {
                          extendList = [extend];
                      }
                  } while (parserInput.$char(','));
                  expect(/^\)/);
                  if (isRule) {
                      expect(/^;/);
                  }
                  return extendList;
              },
              //
              // extendRule - used in a rule to extend all the parent selectors
              //
              extendRule: function () {
                  return this.extend(true);
              },
              //
              // Mixins
              //
              mixin: {
                  //
                  // A Mixin call, with an optional argument list
                  //
                  //     #mixins > .square(#fff);
                  //     #mixins.square(#fff);
                  //     .rounded(4px, black);
                  //     .button;
                  //
                  // We can lookup / return a value using the lookup syntax:
                  //
                  //     color: #mixin.square(#fff)[@color];
                  //
                  // The `while` loop is there because mixins can be
                  // namespaced, but we only support the child and descendant
                  // selector for now.
                  //
                  call: function (inValue, getLookup) {
                      var s = parserInput.currentChar();
                      var important = false;
                      var lookups;
                      var index = parserInput.i;
                      var elements;
                      var args;
                      var hasParens;
                      if (s !== '.' && s !== '#') {
                          return;
                      }
                      parserInput.save(); // stop us absorbing part of an invalid selector
                      elements = this.elements();
                      if (elements) {
                          if (parserInput.$char('(')) {
                              args = this.args(true).args;
                              expectChar(')');
                              hasParens = true;
                          }
                          if (getLookup !== false) {
                              lookups = this.ruleLookups();
                          }
                          if (getLookup === true && !lookups) {
                              parserInput.restore();
                              return;
                          }
                          if (inValue && !lookups && !hasParens) {
                              // This isn't a valid in-value mixin call
                              parserInput.restore();
                              return;
                          }
                          if (!inValue && parsers.important()) {
                              important = true;
                          }
                          if (inValue || parsers.end()) {
                              parserInput.forget();
                              var mixin = new (tree.mixin.Call)(elements, args, index, fileInfo, !lookups && important);
                              if (lookups) {
                                  return new tree.NamespaceValue(mixin, lookups);
                              }
                              else {
                                  return mixin;
                              }
                          }
                      }
                      parserInput.restore();
                  },
                  /**
                   * Matching elements for mixins
                   * (Start with . or # and can have > )
                   */
                  elements: function () {
                      var elements;
                      var e;
                      var c;
                      var elem;
                      var elemIndex;
                      var re = /^[#.](?:[\w-]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/;
                      while (true) {
                          elemIndex = parserInput.i;
                          e = parserInput.$re(re);
                          if (!e) {
                              break;
                          }
                          elem = new (tree.Element)(c, e, false, elemIndex, fileInfo);
                          if (elements) {
                              elements.push(elem);
                          }
                          else {
                              elements = [elem];
                          }
                          c = parserInput.$char('>');
                      }
                      return elements;
                  },
                  args: function (isCall) {
                      var entities = parsers.entities;
                      var returner = { args: null, variadic: false };
                      var expressions = [];
                      var argsSemiColon = [];
                      var argsComma = [];
                      var isSemiColonSeparated;
                      var expressionContainsNamed;
                      var name;
                      var nameLoop;
                      var value;
                      var arg;
                      var expand;
                      var hasSep = true;
                      parserInput.save();
                      while (true) {
                          if (isCall) {
                              arg = parsers.detachedRuleset() || parsers.expression();
                          }
                          else {
                              parserInput.commentStore.length = 0;
                              if (parserInput.$str('...')) {
                                  returner.variadic = true;
                                  if (parserInput.$char(';') && !isSemiColonSeparated) {
                                      isSemiColonSeparated = true;
                                  }
                                  (isSemiColonSeparated ? argsSemiColon : argsComma)
                                      .push({ variadic: true });
                                  break;
                              }
                              arg = entities.variable() || entities.property() || entities.literal() || entities.keyword() || this.call(true);
                          }
                          if (!arg || !hasSep) {
                              break;
                          }
                          nameLoop = null;
                          if (arg.throwAwayComments) {
                              arg.throwAwayComments();
                          }
                          value = arg;
                          var val = null;
                          if (isCall) {
                              // Variable
                              if (arg.value && arg.value.length == 1) {
                                  val = arg.value[0];
                              }
                          }
                          else {
                              val = arg;
                          }
                          if (val && (val instanceof tree.Variable || val instanceof tree.Property)) {
                              if (parserInput.$char(':')) {
                                  if (expressions.length > 0) {
                                      if (isSemiColonSeparated) {
                                          error('Cannot mix ; and , as delimiter types');
                                      }
                                      expressionContainsNamed = true;
                                  }
                                  value = parsers.detachedRuleset() || parsers.expression();
                                  if (!value) {
                                      if (isCall) {
                                          error('could not understand value for named argument');
                                      }
                                      else {
                                          parserInput.restore();
                                          returner.args = [];
                                          return returner;
                                      }
                                  }
                                  nameLoop = (name = val.name);
                              }
                              else if (parserInput.$str('...')) {
                                  if (!isCall) {
                                      returner.variadic = true;
                                      if (parserInput.$char(';') && !isSemiColonSeparated) {
                                          isSemiColonSeparated = true;
                                      }
                                      (isSemiColonSeparated ? argsSemiColon : argsComma)
                                          .push({ name: arg.name, variadic: true });
                                      break;
                                  }
                                  else {
                                      expand = true;
                                  }
                              }
                              else if (!isCall) {
                                  name = nameLoop = val.name;
                                  value = null;
                              }
                          }
                          if (value) {
                              expressions.push(value);
                          }
                          argsComma.push({ name: nameLoop, value: value, expand: expand });
                          if (parserInput.$char(',')) {
                              hasSep = true;
                              continue;
                          }
                          hasSep = parserInput.$char(';') === ';';
                          if (hasSep || isSemiColonSeparated) {
                              if (expressionContainsNamed) {
                                  error('Cannot mix ; and , as delimiter types');
                              }
                              isSemiColonSeparated = true;
                              if (expressions.length > 1) {
                                  value = new (tree.Value)(expressions);
                              }
                              argsSemiColon.push({ name: name, value: value, expand: expand });
                              name = null;
                              expressions = [];
                              expressionContainsNamed = false;
                          }
                      }
                      parserInput.forget();
                      returner.args = isSemiColonSeparated ? argsSemiColon : argsComma;
                      return returner;
                  },
                  //
                  // A Mixin definition, with a list of parameters
                  //
                  //     .rounded (@radius: 2px, @color) {
                  //        ...
                  //     }
                  //
                  // Until we have a finer grained state-machine, we have to
                  // do a look-ahead, to make sure we don't have a mixin call.
                  // See the `rule` function for more information.
                  //
                  // We start by matching `.rounded (`, and then proceed on to
                  // the argument list, which has optional default values.
                  // We store the parameters in `params`, with a `value` key,
                  // if there is a value, such as in the case of `@radius`.
                  //
                  // Once we've got our params list, and a closing `)`, we parse
                  // the `{...}` block.
                  //
                  definition: function () {
                      var name;
                      var params = [];
                      var match;
                      var ruleset;
                      var cond;
                      var variadic = false;
                      if ((parserInput.currentChar() !== '.' && parserInput.currentChar() !== '#') ||
                          parserInput.peek(/^[^{]*\}/)) {
                          return;
                      }
                      parserInput.save();
                      match = parserInput.$re(/^([#.](?:[\w-]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+)\s*\(/);
                      if (match) {
                          name = match[1];
                          var argInfo = this.args(false);
                          params = argInfo.args;
                          variadic = argInfo.variadic;
                          // .mixincall("@{a}");
                          // looks a bit like a mixin definition..
                          // also
                          // .mixincall(@a: {rule: set;});
                          // so we have to be nice and restore
                          if (!parserInput.$char(')')) {
                              parserInput.restore('Missing closing \')\'');
                              return;
                          }
                          parserInput.commentStore.length = 0;
                          if (parserInput.$str('when')) { // Guard
                              cond = expect(parsers.conditions, 'expected condition');
                          }
                          ruleset = parsers.block();
                          if (ruleset) {
                              parserInput.forget();
                              return new (tree.mixin.Definition)(name, params, ruleset, cond, variadic);
                          }
                          else {
                              parserInput.restore();
                          }
                      }
                      else {
                          parserInput.restore();
                      }
                  },
                  ruleLookups: function () {
                      var rule;
                      var lookups = [];
                      if (parserInput.currentChar() !== '[') {
                          return;
                      }
                      while (true) {
                          parserInput.save();
                          rule = this.lookupValue();
                          if (!rule && rule !== '') {
                              parserInput.restore();
                              break;
                          }
                          lookups.push(rule);
                          parserInput.forget();
                      }
                      if (lookups.length > 0) {
                          return lookups;
                      }
                  },
                  lookupValue: function () {
                      parserInput.save();
                      if (!parserInput.$char('[')) {
                          parserInput.restore();
                          return;
                      }
                      var name = parserInput.$re(/^(?:[@$]{0,2})[_a-zA-Z0-9-]*/);
                      if (!parserInput.$char(']')) {
                          parserInput.restore();
                          return;
                      }
                      if (name || name === '') {
                          parserInput.forget();
                          return name;
                      }
                      parserInput.restore();
                  }
              },
              //
              // Entities are the smallest recognized token,
              // and can be found inside a rule's value.
              //
              entity: function () {
                  var entities = this.entities;
                  return this.comment() || entities.literal() || entities.variable() || entities.url() ||
                      entities.property() || entities.call() || entities.keyword() || this.mixin.call(true) ||
                      entities.javascript();
              },
              //
              // A Declaration terminator. Note that we use `peek()` to check for '}',
              // because the `block` rule will be expecting it, but we still need to make sure
              // it's there, if ';' was omitted.
              //
              end: function () {
                  return parserInput.$char(';') || parserInput.peek('}');
              },
              //
              // IE's alpha function
              //
              //     alpha(opacity=88)
              //
              ieAlpha: function () {
                  var value;
                  // http://jsperf.com/case-insensitive-regex-vs-strtolower-then-regex/18
                  if (!parserInput.$re(/^opacity=/i)) {
                      return;
                  }
                  value = parserInput.$re(/^\d+/);
                  if (!value) {
                      value = expect(parsers.entities.variable, 'Could not parse alpha');
                      value = "@{" + value.name.slice(1) + "}";
                  }
                  expectChar(')');
                  return new tree.Quoted('', "alpha(opacity=" + value + ")");
              },
              //
              // A Selector Element
              //
              //     div
              //     + h1
              //     #socks
              //     input[type="text"]
              //
              // Elements are the building blocks for Selectors,
              // they are made out of a `Combinator` (see combinator rule),
              // and an element name, such as a tag a class, or `*`.
              //
              element: function () {
                  var e;
                  var c;
                  var v;
                  var index = parserInput.i;
                  c = this.combinator();
                  e = parserInput.$re(/^(?:\d+\.\d+|\d+)%/) ||
                      parserInput.$re(/^(?:[.#]?|:*)(?:[\w-]|[^\x00-\x9f]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/) ||
                      parserInput.$char('*') || parserInput.$char('&') || this.attribute() ||
                      parserInput.$re(/^\([^&()@]+\)/) || parserInput.$re(/^[\.#:](?=@)/) ||
                      this.entities.variableCurly();
                  if (!e) {
                      parserInput.save();
                      if (parserInput.$char('(')) {
                          if ((v = this.selector(false)) && parserInput.$char(')')) {
                              e = new (tree.Paren)(v);
                              parserInput.forget();
                          }
                          else {
                              parserInput.restore('Missing closing \')\'');
                          }
                      }
                      else {
                          parserInput.forget();
                      }
                  }
                  if (e) {
                      return new (tree.Element)(c, e, e instanceof tree.Variable, index, fileInfo);
                  }
              },
              //
              // Combinators combine elements together, in a Selector.
              //
              // Because our parser isn't white-space sensitive, special care
              // has to be taken, when parsing the descendant combinator, ` `,
              // as it's an empty space. We have to check the previous character
              // in the input, to see if it's a ` ` character. More info on how
              // we deal with this in *combinator.js*.
              //
              combinator: function () {
                  var c = parserInput.currentChar();
                  if (c === '/') {
                      parserInput.save();
                      var slashedCombinator = parserInput.$re(/^\/[a-z]+\//i);
                      if (slashedCombinator) {
                          parserInput.forget();
                          return new (tree.Combinator)(slashedCombinator);
                      }
                      parserInput.restore();
                  }
                  if (c === '>' || c === '+' || c === '~' || c === '|' || c === '^') {
                      parserInput.i++;
                      if (c === '^' && parserInput.currentChar() === '^') {
                          c = '^^';
                          parserInput.i++;
                      }
                      while (parserInput.isWhitespace()) {
                          parserInput.i++;
                      }
                      return new (tree.Combinator)(c);
                  }
                  else if (parserInput.isWhitespace(-1)) {
                      return new (tree.Combinator)(' ');
                  }
                  else {
                      return new (tree.Combinator)(null);
                  }
              },
              //
              // A CSS Selector
              // with less extensions e.g. the ability to extend and guard
              //
              //     .class > div + h1
              //     li a:hover
              //
              // Selectors are made out of one or more Elements, see above.
              //
              selector: function (isLess) {
                  var index = parserInput.i;
                  var elements;
                  var extendList;
                  var c;
                  var e;
                  var allExtends;
                  var when;
                  var condition;
                  isLess = isLess !== false;
                  while ((isLess && (extendList = this.extend())) || (isLess && (when = parserInput.$str('when'))) || (e = this.element())) {
                      if (when) {
                          condition = expect(this.conditions, 'expected condition');
                      }
                      else if (condition) {
                          error('CSS guard can only be used at the end of selector');
                      }
                      else if (extendList) {
                          if (allExtends) {
                              allExtends = allExtends.concat(extendList);
                          }
                          else {
                              allExtends = extendList;
                          }
                      }
                      else {
                          if (allExtends) {
                              error('Extend can only be used at the end of selector');
                          }
                          c = parserInput.currentChar();
                          if (elements) {
                              elements.push(e);
                          }
                          else {
                              elements = [e];
                          }
                          e = null;
                      }
                      if (c === '{' || c === '}' || c === ';' || c === ',' || c === ')') {
                          break;
                      }
                  }
                  if (elements) {
                      return new (tree.Selector)(elements, allExtends, condition, index, fileInfo);
                  }
                  if (allExtends) {
                      error('Extend must be used to extend a selector, it cannot be used on its own');
                  }
              },
              selectors: function () {
                  var s;
                  var selectors;
                  while (true) {
                      s = this.selector();
                      if (!s) {
                          break;
                      }
                      if (selectors) {
                          selectors.push(s);
                      }
                      else {
                          selectors = [s];
                      }
                      parserInput.commentStore.length = 0;
                      if (s.condition && selectors.length > 1) {
                          error("Guards are only currently allowed on a single selector.");
                      }
                      if (!parserInput.$char(',')) {
                          break;
                      }
                      if (s.condition) {
                          error("Guards are only currently allowed on a single selector.");
                      }
                      parserInput.commentStore.length = 0;
                  }
                  return selectors;
              },
              attribute: function () {
                  if (!parserInput.$char('[')) {
                      return;
                  }
                  var entities = this.entities;
                  var key;
                  var val;
                  var op;
                  if (!(key = entities.variableCurly())) {
                      key = expect(/^(?:[_A-Za-z0-9-\*]*\|)?(?:[_A-Za-z0-9-]|\\.)+/);
                  }
                  op = parserInput.$re(/^[|~*$^]?=/);
                  if (op) {
                      val = entities.quoted() || parserInput.$re(/^[0-9]+%/) || parserInput.$re(/^[\w-]+/) || entities.variableCurly();
                  }
                  expectChar(']');
                  return new (tree.Attribute)(key, op, val);
              },
              //
              // The `block` rule is used by `ruleset` and `mixin.definition`.
              // It's a wrapper around the `primary` rule, with added `{}`.
              //
              block: function () {
                  var content;
                  if (parserInput.$char('{') && (content = this.primary()) && parserInput.$char('}')) {
                      return content;
                  }
              },
              blockRuleset: function () {
                  var block = this.block();
                  if (block) {
                      block = new tree.Ruleset(null, block);
                  }
                  return block;
              },
              detachedRuleset: function () {
                  var argInfo;
                  var params;
                  var variadic;
                  parserInput.save();
                  if (parserInput.$re(/^[.#]\(/)) {
                      /**
                       * DR args currently only implemented for each() function, and not
                       * yet settable as `@dr: #(@arg) {}`
                       * This should be done when DRs are merged with mixins.
                       * See: https://github.com/less/less-meta/issues/16
                       */
                      argInfo = this.mixin.args(false);
                      params = argInfo.args;
                      variadic = argInfo.variadic;
                      if (!parserInput.$char(')')) {
                          parserInput.restore();
                          return;
                      }
                  }
                  var blockRuleset = this.blockRuleset();
                  if (blockRuleset) {
                      parserInput.forget();
                      if (params) {
                          return new tree.mixin.Definition(null, params, blockRuleset, null, variadic);
                      }
                      return new tree.DetachedRuleset(blockRuleset);
                  }
                  parserInput.restore();
              },
              //
              // div, .class, body > p {...}
              //
              ruleset: function () {
                  var selectors;
                  var rules;
                  var debugInfo;
                  parserInput.save();
                  if (context.dumpLineNumbers) {
                      debugInfo = getDebugInfo(parserInput.i);
                  }
                  selectors = this.selectors();
                  if (selectors && (rules = this.block())) {
                      parserInput.forget();
                      var ruleset = new (tree.Ruleset)(selectors, rules, context.strictImports);
                      if (context.dumpLineNumbers) {
                          ruleset.debugInfo = debugInfo;
                      }
                      return ruleset;
                  }
                  else {
                      parserInput.restore();
                  }
              },
              declaration: function () {
                  var name;
                  var value;
                  var index = parserInput.i;
                  var hasDR;
                  var c = parserInput.currentChar();
                  var important;
                  var merge;
                  var isVariable;
                  if (c === '.' || c === '#' || c === '&' || c === ':') {
                      return;
                  }
                  parserInput.save();
                  name = this.variable() || this.ruleProperty();
                  if (name) {
                      isVariable = typeof name === 'string';
                      if (isVariable) {
                          value = this.detachedRuleset();
                          if (value) {
                              hasDR = true;
                          }
                      }
                      parserInput.commentStore.length = 0;
                      if (!value) {
                          // a name returned by this.ruleProperty() is always an array of the form:
                          // [string-1, ..., string-n, ""] or [string-1, ..., string-n, "+"]
                          // where each item is a tree.Keyword or tree.Variable
                          merge = !isVariable && name.length > 1 && name.pop().value;
                          // Custom property values get permissive parsing
                          if (name[0].value && name[0].value.slice(0, 2) === '--') {
                              value = this.permissiveValue();
                          }
                          // Try to store values as anonymous
                          // If we need the value later we'll re-parse it in ruleset.parseValue
                          else {
                              value = this.anonymousValue();
                          }
                          if (value) {
                              parserInput.forget();
                              // anonymous values absorb the end ';' which is required for them to work
                              return new (tree.Declaration)(name, value, false, merge, index, fileInfo);
                          }
                          if (!value) {
                              value = this.value();
                          }
                          if (value) {
                              important = this.important();
                          }
                          else if (isVariable) {
                              // As a last resort, try permissiveValue
                              value = this.permissiveValue();
                          }
                      }
                      if (value && (this.end() || hasDR)) {
                          parserInput.forget();
                          return new (tree.Declaration)(name, value, important, merge, index, fileInfo);
                      }
                      else {
                          parserInput.restore();
                      }
                  }
                  else {
                      parserInput.restore();
                  }
              },
              anonymousValue: function () {
                  var index = parserInput.i;
                  var match = parserInput.$re(/^([^.#@\$+\/'"*`(;{}-]*);/);
                  if (match) {
                      return new (tree.Anonymous)(match[1], index);
                  }
              },
              /**
               * Used for custom properties, at-rules, and variables (as fallback)
               * Parses almost anything inside of {} [] () "" blocks
               * until it reaches outer-most tokens.
               *
               * First, it will try to parse comments and entities to reach
               * the end. This is mostly like the Expression parser except no
               * math is allowed.
               */
              permissiveValue: function (untilTokens) {
                  var i;
                  var e;
                  var done;
                  var value;
                  var tok = untilTokens || ';';
                  var index = parserInput.i;
                  var result = [];
                  function testCurrentChar() {
                      var char = parserInput.currentChar();
                      if (typeof tok === 'string') {
                          return char === tok;
                      }
                      else {
                          return tok.test(char);
                      }
                  }
                  if (testCurrentChar()) {
                      return;
                  }
                  value = [];
                  do {
                      e = this.comment();
                      if (e) {
                          value.push(e);
                          continue;
                      }
                      e = this.entity();
                      if (e) {
                          value.push(e);
                      }
                  } while (e);
                  done = testCurrentChar();
                  if (value.length > 0) {
                      value = new (tree.Expression)(value);
                      if (done) {
                          return value;
                      }
                      else {
                          result.push(value);
                      }
                      // Preserve space before $parseUntil as it will not
                      if (parserInput.prevChar() === ' ') {
                          result.push(new tree.Anonymous(' ', index));
                      }
                  }
                  parserInput.save();
                  value = parserInput.$parseUntil(tok);
                  if (value) {
                      if (typeof value === 'string') {
                          error("Expected '" + value + "'", 'Parse');
                      }
                      if (value.length === 1 && value[0] === ' ') {
                          parserInput.forget();
                          return new tree.Anonymous('', index);
                      }
                      var item = void 0;
                      for (i = 0; i < value.length; i++) {
                          item = value[i];
                          if (Array.isArray(item)) {
                              // Treat actual quotes as normal quoted values
                              result.push(new tree.Quoted(item[0], item[1], true, index, fileInfo));
                          }
                          else {
                              if (i === value.length - 1) {
                                  item = item.trim();
                              }
                              // Treat like quoted values, but replace vars like unquoted expressions
                              var quote = new tree.Quoted('\'', item, true, index, fileInfo);
                              quote.variableRegex = /@([\w-]+)/g;
                              quote.propRegex = /\$([\w-]+)/g;
                              result.push(quote);
                          }
                      }
                      parserInput.forget();
                      return new tree.Expression(result, true);
                  }
                  parserInput.restore();
              },
              //
              // An @import atrule
              //
              //     @import "lib";
              //
              // Depending on our environment, importing is done differently:
              // In the browser, it's an XHR request, in Node, it would be a
              // file-system operation. The function used for importing is
              // stored in `import`, which we pass to the Import constructor.
              //
              'import': function () {
                  var path;
                  var features;
                  var index = parserInput.i;
                  var dir = parserInput.$re(/^@import?\s+/);
                  if (dir) {
                      var options = (dir ? this.importOptions() : null) || {};
                      if ((path = this.entities.quoted() || this.entities.url())) {
                          features = this.mediaFeatures();
                          if (!parserInput.$char(';')) {
                              parserInput.i = index;
                              error('missing semi-colon or unrecognised media features on import');
                          }
                          features = features && new (tree.Value)(features);
                          return new (tree.Import)(path, features, options, index, fileInfo);
                      }
                      else {
                          parserInput.i = index;
                          error('malformed import statement');
                      }
                  }
              },
              importOptions: function () {
                  var o;
                  var options = {};
                  var optionName;
                  var value;
                  // list of options, surrounded by parens
                  if (!parserInput.$char('(')) {
                      return null;
                  }
                  do {
                      o = this.importOption();
                      if (o) {
                          optionName = o;
                          value = true;
                          switch (optionName) {
                              case 'css':
                                  optionName = 'less';
                                  value = false;
                                  break;
                              case 'once':
                                  optionName = 'multiple';
                                  value = false;
                                  break;
                          }
                          options[optionName] = value;
                          if (!parserInput.$char(',')) {
                              break;
                          }
                      }
                  } while (o);
                  expectChar(')');
                  return options;
              },
              importOption: function () {
                  var opt = parserInput.$re(/^(less|css|multiple|once|inline|reference|optional)/);
                  if (opt) {
                      return opt[1];
                  }
              },
              mediaFeature: function () {
                  var entities = this.entities;
                  var nodes = [];
                  var e;
                  var p;
                  parserInput.save();
                  do {
                      e = entities.keyword() || entities.variable() || entities.mixinLookup();
                      if (e) {
                          nodes.push(e);
                      }
                      else if (parserInput.$char('(')) {
                          p = this.property();
                          e = this.value();
                          if (parserInput.$char(')')) {
                              if (p && e) {
                                  nodes.push(new (tree.Paren)(new (tree.Declaration)(p, e, null, null, parserInput.i, fileInfo, true)));
                              }
                              else if (e) {
                                  nodes.push(new (tree.Paren)(e));
                              }
                              else {
                                  error('badly formed media feature definition');
                              }
                          }
                          else {
                              error('Missing closing \')\'', 'Parse');
                          }
                      }
                  } while (e);
                  parserInput.forget();
                  if (nodes.length > 0) {
                      return new (tree.Expression)(nodes);
                  }
              },
              mediaFeatures: function () {
                  var entities = this.entities;
                  var features = [];
                  var e;
                  do {
                      e = this.mediaFeature();
                      if (e) {
                          features.push(e);
                          if (!parserInput.$char(',')) {
                              break;
                          }
                      }
                      else {
                          e = entities.variable() || entities.mixinLookup();
                          if (e) {
                              features.push(e);
                              if (!parserInput.$char(',')) {
                                  break;
                              }
                          }
                      }
                  } while (e);
                  return features.length > 0 ? features : null;
              },
              media: function () {
                  var features;
                  var rules;
                  var media;
                  var debugInfo;
                  var index = parserInput.i;
                  if (context.dumpLineNumbers) {
                      debugInfo = getDebugInfo(index);
                  }
                  parserInput.save();
                  if (parserInput.$str('@media')) {
                      features = this.mediaFeatures();
                      rules = this.block();
                      if (!rules) {
                          error('media definitions require block statements after any features');
                      }
                      parserInput.forget();
                      media = new (tree.Media)(rules, features, index, fileInfo);
                      if (context.dumpLineNumbers) {
                          media.debugInfo = debugInfo;
                      }
                      return media;
                  }
                  parserInput.restore();
              },
              //
              // A @plugin directive, used to import plugins dynamically.
              //
              //     @plugin (args) "lib";
              //
              plugin: function () {
                  var path;
                  var args;
                  var options;
                  var index = parserInput.i;
                  var dir = parserInput.$re(/^@plugin?\s+/);
                  if (dir) {
                      args = this.pluginArgs();
                      if (args) {
                          options = {
                              pluginArgs: args,
                              isPlugin: true
                          };
                      }
                      else {
                          options = { isPlugin: true };
                      }
                      if ((path = this.entities.quoted() || this.entities.url())) {
                          if (!parserInput.$char(';')) {
                              parserInput.i = index;
                              error('missing semi-colon on @plugin');
                          }
                          return new (tree.Import)(path, null, options, index, fileInfo);
                      }
                      else {
                          parserInput.i = index;
                          error('malformed @plugin statement');
                      }
                  }
              },
              pluginArgs: function () {
                  // list of options, surrounded by parens
                  parserInput.save();
                  if (!parserInput.$char('(')) {
                      parserInput.restore();
                      return null;
                  }
                  var args = parserInput.$re(/^\s*([^\);]+)\)\s*/);
                  if (args[1]) {
                      parserInput.forget();
                      return args[1].trim();
                  }
                  else {
                      parserInput.restore();
                      return null;
                  }
              },
              //
              // A CSS AtRule
              //
              //     @charset "utf-8";
              //
              atrule: function () {
                  var index = parserInput.i;
                  var name;
                  var value;
                  var rules;
                  var nonVendorSpecificName;
                  var hasIdentifier;
                  var hasExpression;
                  var hasUnknown;
                  var hasBlock = true;
                  var isRooted = true;
                  if (parserInput.currentChar() !== '@') {
                      return;
                  }
                  value = this['import']() || this.plugin() || this.media();
                  if (value) {
                      return value;
                  }
                  parserInput.save();
                  name = parserInput.$re(/^@[a-z-]+/);
                  if (!name) {
                      return;
                  }
                  nonVendorSpecificName = name;
                  if (name.charAt(1) == '-' && name.indexOf('-', 2) > 0) {
                      nonVendorSpecificName = "@" + name.slice(name.indexOf('-', 2) + 1);
                  }
                  switch (nonVendorSpecificName) {
                      case '@charset':
                          hasIdentifier = true;
                          hasBlock = false;
                          break;
                      case '@namespace':
                          hasExpression = true;
                          hasBlock = false;
                          break;
                      case '@keyframes':
                      case '@counter-style':
                          hasIdentifier = true;
                          break;
                      case '@document':
                      case '@supports':
                          hasUnknown = true;
                          isRooted = false;
                          break;
                      default:
                          hasUnknown = true;
                          break;
                  }
                  parserInput.commentStore.length = 0;
                  if (hasIdentifier) {
                      value = this.entity();
                      if (!value) {
                          error("expected " + name + " identifier");
                      }
                  }
                  else if (hasExpression) {
                      value = this.expression();
                      if (!value) {
                          error("expected " + name + " expression");
                      }
                  }
                  else if (hasUnknown) {
                      value = this.permissiveValue(/^[{;]/);
                      hasBlock = (parserInput.currentChar() === '{');
                      if (!value) {
                          if (!hasBlock && parserInput.currentChar() !== ';') {
                              error(name + " rule is missing block or ending semi-colon");
                          }
                      }
                      else if (!value.value) {
                          value = null;
                      }
                  }
                  if (hasBlock) {
                      rules = this.blockRuleset();
                  }
                  if (rules || (!hasBlock && value && parserInput.$char(';'))) {
                      parserInput.forget();
                      return new (tree.AtRule)(name, value, rules, index, fileInfo, context.dumpLineNumbers ? getDebugInfo(index) : null, isRooted);
                  }
                  parserInput.restore('at-rule options not recognised');
              },
              //
              // A Value is a comma-delimited list of Expressions
              //
              //     font-family: Baskerville, Georgia, serif;
              //
              // In a Rule, a Value represents everything after the `:`,
              // and before the `;`.
              //
              value: function () {
                  var e;
                  var expressions = [];
                  var index = parserInput.i;
                  do {
                      e = this.expression();
                      if (e) {
                          expressions.push(e);
                          if (!parserInput.$char(',')) {
                              break;
                          }
                      }
                  } while (e);
                  if (expressions.length > 0) {
                      return new (tree.Value)(expressions, index);
                  }
              },
              important: function () {
                  if (parserInput.currentChar() === '!') {
                      return parserInput.$re(/^! *important/);
                  }
              },
              sub: function () {
                  var a;
                  var e;
                  parserInput.save();
                  if (parserInput.$char('(')) {
                      a = this.addition();
                      if (a && parserInput.$char(')')) {
                          parserInput.forget();
                          e = new (tree.Expression)([a]);
                          e.parens = true;
                          return e;
                      }
                      parserInput.restore('Expected \')\'');
                      return;
                  }
                  parserInput.restore();
              },
              multiplication: function () {
                  var m;
                  var a;
                  var op;
                  var operation;
                  var isSpaced;
                  m = this.operand();
                  if (m) {
                      isSpaced = parserInput.isWhitespace(-1);
                      while (true) {
                          if (parserInput.peek(/^\/[*\/]/)) {
                              break;
                          }
                          parserInput.save();
                          op = parserInput.$char('/') || parserInput.$char('*') || parserInput.$str('./');
                          if (!op) {
                              parserInput.forget();
                              break;
                          }
                          a = this.operand();
                          if (!a) {
                              parserInput.restore();
                              break;
                          }
                          parserInput.forget();
                          m.parensInOp = true;
                          a.parensInOp = true;
                          operation = new (tree.Operation)(op, [operation || m, a], isSpaced);
                          isSpaced = parserInput.isWhitespace(-1);
                      }
                      return operation || m;
                  }
              },
              addition: function () {
                  var m;
                  var a;
                  var op;
                  var operation;
                  var isSpaced;
                  m = this.multiplication();
                  if (m) {
                      isSpaced = parserInput.isWhitespace(-1);
                      while (true) {
                          op = parserInput.$re(/^[-+]\s+/) || (!isSpaced && (parserInput.$char('+') || parserInput.$char('-')));
                          if (!op) {
                              break;
                          }
                          a = this.multiplication();
                          if (!a) {
                              break;
                          }
                          m.parensInOp = true;
                          a.parensInOp = true;
                          operation = new (tree.Operation)(op, [operation || m, a], isSpaced);
                          isSpaced = parserInput.isWhitespace(-1);
                      }
                      return operation || m;
                  }
              },
              conditions: function () {
                  var a;
                  var b;
                  var index = parserInput.i;
                  var condition;
                  a = this.condition(true);
                  if (a) {
                      while (true) {
                          if (!parserInput.peek(/^,\s*(not\s*)?\(/) || !parserInput.$char(',')) {
                              break;
                          }
                          b = this.condition(true);
                          if (!b) {
                              break;
                          }
                          condition = new (tree.Condition)('or', condition || a, b, index);
                      }
                      return condition || a;
                  }
              },
              condition: function (needsParens) {
                  var result;
                  var logical;
                  var next;
                  function or() {
                      return parserInput.$str('or');
                  }
                  result = this.conditionAnd(needsParens);
                  if (!result) {
                      return;
                  }
                  logical = or();
                  if (logical) {
                      next = this.condition(needsParens);
                      if (next) {
                          result = new (tree.Condition)(logical, result, next);
                      }
                      else {
                          return;
                      }
                  }
                  return result;
              },
              conditionAnd: function (needsParens) {
                  var result;
                  var logical;
                  var next;
                  var self = this;
                  function insideCondition() {
                      var cond = self.negatedCondition(needsParens) || self.parenthesisCondition(needsParens);
                      if (!cond && !needsParens) {
                          return self.atomicCondition(needsParens);
                      }
                      return cond;
                  }
                  function and() {
                      return parserInput.$str('and');
                  }
                  result = insideCondition();
                  if (!result) {
                      return;
                  }
                  logical = and();
                  if (logical) {
                      next = this.conditionAnd(needsParens);
                      if (next) {
                          result = new (tree.Condition)(logical, result, next);
                      }
                      else {
                          return;
                      }
                  }
                  return result;
              },
              negatedCondition: function (needsParens) {
                  if (parserInput.$str('not')) {
                      var result = this.parenthesisCondition(needsParens);
                      if (result) {
                          result.negate = !result.negate;
                      }
                      return result;
                  }
              },
              parenthesisCondition: function (needsParens) {
                  function tryConditionFollowedByParenthesis(me) {
                      var body;
                      parserInput.save();
                      body = me.condition(needsParens);
                      if (!body) {
                          parserInput.restore();
                          return;
                      }
                      if (!parserInput.$char(')')) {
                          parserInput.restore();
                          return;
                      }
                      parserInput.forget();
                      return body;
                  }
                  var body;
                  parserInput.save();
                  if (!parserInput.$str('(')) {
                      parserInput.restore();
                      return;
                  }
                  body = tryConditionFollowedByParenthesis(this);
                  if (body) {
                      parserInput.forget();
                      return body;
                  }
                  body = this.atomicCondition(needsParens);
                  if (!body) {
                      parserInput.restore();
                      return;
                  }
                  if (!parserInput.$char(')')) {
                      parserInput.restore("expected ')' got '" + parserInput.currentChar() + "'");
                      return;
                  }
                  parserInput.forget();
                  return body;
              },
              atomicCondition: function (needsParens) {
                  var entities = this.entities;
                  var index = parserInput.i;
                  var a;
                  var b;
                  var c;
                  var op;
                  function cond() {
                      return this.addition() || entities.keyword() || entities.quoted() || entities.mixinLookup();
                  }
                  cond = cond.bind(this);
                  a = cond();
                  if (a) {
                      if (parserInput.$char('>')) {
                          if (parserInput.$char('=')) {
                              op = '>=';
                          }
                          else {
                              op = '>';
                          }
                      }
                      else if (parserInput.$char('<')) {
                          if (parserInput.$char('=')) {
                              op = '<=';
                          }
                          else {
                              op = '<';
                          }
                      }
                      else if (parserInput.$char('=')) {
                          if (parserInput.$char('>')) {
                              op = '=>';
                          }
                          else if (parserInput.$char('<')) {
                              op = '=<';
                          }
                          else {
                              op = '=';
                          }
                      }
                      if (op) {
                          b = cond();
                          if (b) {
                              c = new (tree.Condition)(op, a, b, index, false);
                          }
                          else {
                              error('expected expression');
                          }
                      }
                      else {
                          c = new (tree.Condition)('=', a, new (tree.Keyword)('true'), index, false);
                      }
                      return c;
                  }
              },
              //
              // An operand is anything that can be part of an operation,
              // such as a Color, or a Variable
              //
              operand: function () {
                  var entities = this.entities;
                  var negate;
                  if (parserInput.peek(/^-[@\$\(]/)) {
                      negate = parserInput.$char('-');
                  }
                  var o = this.sub() || entities.dimension() ||
                      entities.color() || entities.variable() ||
                      entities.property() || entities.call() ||
                      entities.quoted(true) || entities.colorKeyword() ||
                      entities.mixinLookup();
                  if (negate) {
                      o.parensInOp = true;
                      o = new (tree.Negative)(o);
                  }
                  return o;
              },
              //
              // Expressions either represent mathematical operations,
              // or white-space delimited Entities.
              //
              //     1px solid black
              //     @var * 2
              //
              expression: function () {
                  var entities = [];
                  var e;
                  var delim;
                  var index = parserInput.i;
                  do {
                      e = this.comment();
                      if (e) {
                          entities.push(e);
                          continue;
                      }
                      e = this.addition() || this.entity();
                      if (e instanceof tree.Comment) {
                          e = null;
                      }
                      if (e) {
                          entities.push(e);
                          // operations do not allow keyword "/" dimension (e.g. small/20px) so we support that here
                          if (!parserInput.peek(/^\/[\/*]/)) {
                              delim = parserInput.$char('/');
                              if (delim) {
                                  entities.push(new (tree.Anonymous)(delim, index));
                              }
                          }
                      }
                  } while (e);
                  if (entities.length > 0) {
                      return new (tree.Expression)(entities);
                  }
              },
              property: function () {
                  var name = parserInput.$re(/^(\*?-?[_a-zA-Z0-9-]+)\s*:/);
                  if (name) {
                      return name[1];
                  }
              },
              ruleProperty: function () {
                  var name = [];
                  var index = [];
                  var s;
                  var k;
                  parserInput.save();
                  var simpleProperty = parserInput.$re(/^([_a-zA-Z0-9-]+)\s*:/);
                  if (simpleProperty) {
                      name = [new (tree.Keyword)(simpleProperty[1])];
                      parserInput.forget();
                      return name;
                  }
                  function match(re) {
                      var i = parserInput.i;
                      var chunk = parserInput.$re(re);
                      if (chunk) {
                          index.push(i);
                          return name.push(chunk[1]);
                      }
                  }
                  match(/^(\*?)/);
                  while (true) {
                      if (!match(/^((?:[\w-]+)|(?:[@\$]\{[\w-]+\}))/)) {
                          break;
                      }
                  }
                  if ((name.length > 1) && match(/^((?:\+_|\+)?)\s*:/)) {
                      parserInput.forget();
                      // at last, we have the complete match now. move forward,
                      // convert name particles to tree objects and return:
                      if (name[0] === '') {
                          name.shift();
                          index.shift();
                      }
                      for (k = 0; k < name.length; k++) {
                          s = name[k];
                          name[k] = (s.charAt(0) !== '@' && s.charAt(0) !== '$') ?
                              new (tree.Keyword)(s) :
                              (s.charAt(0) === '@' ?
                                  new (tree.Variable)("@" + s.slice(2, -1), index[k], fileInfo) :
                                  new (tree.Property)("$" + s.slice(2, -1), index[k], fileInfo));
                      }
                      return name;
                  }
                  parserInput.restore();
              }
          }
      };
  };
  Parser.serializeVars = function (vars) {
      var s = '';
      for (var name_1 in vars) {
          if (Object.hasOwnProperty.call(vars, name_1)) {
              var value = vars[name_1];
              s += ((name_1[0] === '@') ? '' : '@') + name_1 + ": " + value + ((String(value).slice(-1) === ';') ? '' : ';');
          }
      }
      return s;
  };

  function boolean(condition) {
      return condition ? Keyword.True : Keyword.False;
  }
  /**
   * Functions with evalArgs set to false are sent context
   * as the first argument.
   */
  function If(context, condition, trueValue, falseValue) {
      return condition.eval(context) ? trueValue.eval(context)
          : (falseValue ? falseValue.eval(context) : new Anonymous);
  }
  If.evalArgs = false;
  var boolean$1 = { boolean: boolean, 'if': If };

  var colorFunctions;
  function clamp$1(val) {
      return Math.min(1, Math.max(0, val));
  }
  function hsla(origColor, hsl) {
      var color = colorFunctions.hsla(hsl.h, hsl.s, hsl.l, hsl.a);
      if (color) {
          if (origColor.value &&
              /^(rgb|hsl)/.test(origColor.value)) {
              color.value = origColor.value;
          }
          else {
              color.value = 'rgb';
          }
          return color;
      }
  }
  function toHSL(color) {
      if (color.toHSL) {
          return color.toHSL();
      }
      else {
          throw new Error('Argument cannot be evaluated to a color');
      }
  }
  function toHSV(color) {
      if (color.toHSV) {
          return color.toHSV();
      }
      else {
          throw new Error('Argument cannot be evaluated to a color');
      }
  }
  function number(n) {
      if (n instanceof Dimension) {
          return parseFloat(n.unit.is('%') ? n.value / 100 : n.value);
      }
      else if (typeof n === 'number') {
          return n;
      }
      else {
          throw {
              type: 'Argument',
              message: 'color functions take numbers as parameters'
          };
      }
  }
  function scaled(n, size) {
      if (n instanceof Dimension && n.unit.is('%')) {
          return parseFloat(n.value * size / 100);
      }
      else {
          return number(n);
      }
  }
  colorFunctions = {
      rgb: function (r, g, b) {
          var color = colorFunctions.rgba(r, g, b, 1.0);
          if (color) {
              color.value = 'rgb';
              return color;
          }
      },
      rgba: function (r, g, b, a) {
          try {
              if (r instanceof Color) {
                  if (g) {
                      a = number(g);
                  }
                  else {
                      a = r.alpha;
                  }
                  return new Color(r.rgb, a, 'rgba');
              }
              var rgb = [r, g, b].map(function (c) { return scaled(c, 255); });
              a = number(a);
              return new Color(rgb, a, 'rgba');
          }
          catch (e) { }
      },
      hsl: function (h, s, l) {
          var color = colorFunctions.hsla(h, s, l, 1.0);
          if (color) {
              color.value = 'hsl';
              return color;
          }
      },
      hsla: function (h, s, l, a) {
          try {
              if (h instanceof Color) {
                  if (s) {
                      a = number(s);
                  }
                  else {
                      a = h.alpha;
                  }
                  return new Color(h.rgb, a, 'hsla');
              }
              var m1_1;
              var m2_1;
              function hue(h) {
                  h = h < 0 ? h + 1 : (h > 1 ? h - 1 : h);
                  if (h * 6 < 1) {
                      return m1_1 + (m2_1 - m1_1) * h * 6;
                  }
                  else if (h * 2 < 1) {
                      return m2_1;
                  }
                  else if (h * 3 < 2) {
                      return m1_1 + (m2_1 - m1_1) * (2 / 3 - h) * 6;
                  }
                  else {
                      return m1_1;
                  }
              }
              h = (number(h) % 360) / 360;
              s = clamp$1(number(s));
              l = clamp$1(number(l));
              a = clamp$1(number(a));
              m2_1 = l <= 0.5 ? l * (s + 1) : l + s - l * s;
              m1_1 = l * 2 - m2_1;
              var rgb = [
                  hue(h + 1 / 3) * 255,
                  hue(h) * 255,
                  hue(h - 1 / 3) * 255
              ];
              a = number(a);
              return new Color(rgb, a, 'hsla');
          }
          catch (e) { }
      },
      hsv: function (h, s, v) {
          return colorFunctions.hsva(h, s, v, 1.0);
      },
      hsva: function (h, s, v, a) {
          h = ((number(h) % 360) / 360) * 360;
          s = number(s);
          v = number(v);
          a = number(a);
          var i;
          var f;
          i = Math.floor((h / 60) % 6);
          f = (h / 60) - i;
          var vs = [v,
              v * (1 - s),
              v * (1 - f * s),
              v * (1 - (1 - f) * s)];
          var perm = [[0, 3, 1],
              [2, 0, 1],
              [1, 0, 3],
              [1, 2, 0],
              [3, 1, 0],
              [0, 1, 2]];
          return colorFunctions.rgba(vs[perm[i][0]] * 255, vs[perm[i][1]] * 255, vs[perm[i][2]] * 255, a);
      },
      hue: function (color) {
          return new Dimension(toHSL(color).h);
      },
      saturation: function (color) {
          return new Dimension(toHSL(color).s * 100, '%');
      },
      lightness: function (color) {
          return new Dimension(toHSL(color).l * 100, '%');
      },
      hsvhue: function (color) {
          return new Dimension(toHSV(color).h);
      },
      hsvsaturation: function (color) {
          return new Dimension(toHSV(color).s * 100, '%');
      },
      hsvvalue: function (color) {
          return new Dimension(toHSV(color).v * 100, '%');
      },
      red: function (color) {
          return new Dimension(color.rgb[0]);
      },
      green: function (color) {
          return new Dimension(color.rgb[1]);
      },
      blue: function (color) {
          return new Dimension(color.rgb[2]);
      },
      alpha: function (color) {
          return new Dimension(toHSL(color).a);
      },
      luma: function (color) {
          return new Dimension(color.luma() * color.alpha * 100, '%');
      },
      luminance: function (color) {
          var luminance = (0.2126 * color.rgb[0] / 255) +
              (0.7152 * color.rgb[1] / 255) +
              (0.0722 * color.rgb[2] / 255);
          return new Dimension(luminance * color.alpha * 100, '%');
      },
      saturate: function (color, amount, method) {
          // filter: saturate(3.2);
          // should be kept as is, so check for color
          if (!color.rgb) {
              return null;
          }
          var hsl = toHSL(color);
          if (typeof method !== 'undefined' && method.value === 'relative') {
              hsl.s += hsl.s * amount.value / 100;
          }
          else {
              hsl.s += amount.value / 100;
          }
          hsl.s = clamp$1(hsl.s);
          return hsla(color, hsl);
      },
      desaturate: function (color, amount, method) {
          var hsl = toHSL(color);
          if (typeof method !== 'undefined' && method.value === 'relative') {
              hsl.s -= hsl.s * amount.value / 100;
          }
          else {
              hsl.s -= amount.value / 100;
          }
          hsl.s = clamp$1(hsl.s);
          return hsla(color, hsl);
      },
      lighten: function (color, amount, method) {
          var hsl = toHSL(color);
          if (typeof method !== 'undefined' && method.value === 'relative') {
              hsl.l += hsl.l * amount.value / 100;
          }
          else {
              hsl.l += amount.value / 100;
          }
          hsl.l = clamp$1(hsl.l);
          return hsla(color, hsl);
      },
      darken: function (color, amount, method) {
          var hsl = toHSL(color);
          if (typeof method !== 'undefined' && method.value === 'relative') {
              hsl.l -= hsl.l * amount.value / 100;
          }
          else {
              hsl.l -= amount.value / 100;
          }
          hsl.l = clamp$1(hsl.l);
          return hsla(color, hsl);
      },
      fadein: function (color, amount, method) {
          var hsl = toHSL(color);
          if (typeof method !== 'undefined' && method.value === 'relative') {
              hsl.a += hsl.a * amount.value / 100;
          }
          else {
              hsl.a += amount.value / 100;
          }
          hsl.a = clamp$1(hsl.a);
          return hsla(color, hsl);
      },
      fadeout: function (color, amount, method) {
          var hsl = toHSL(color);
          if (typeof method !== 'undefined' && method.value === 'relative') {
              hsl.a -= hsl.a * amount.value / 100;
          }
          else {
              hsl.a -= amount.value / 100;
          }
          hsl.a = clamp$1(hsl.a);
          return hsla(color, hsl);
      },
      fade: function (color, amount) {
          var hsl = toHSL(color);
          hsl.a = amount.value / 100;
          hsl.a = clamp$1(hsl.a);
          return hsla(color, hsl);
      },
      spin: function (color, amount) {
          var hsl = toHSL(color);
          var hue = (hsl.h + amount.value) % 360;
          hsl.h = hue < 0 ? 360 + hue : hue;
          return hsla(color, hsl);
      },
      //
      // Copyright (c) 2006-2009 Hampton Catlin, Natalie Weizenbaum, and Chris Eppstein
      // http://sass-lang.com
      //
      mix: function (color1, color2, weight) {
          if (!weight) {
              weight = new Dimension(50);
          }
          var p = weight.value / 100.0;
          var w = p * 2 - 1;
          var a = toHSL(color1).a - toHSL(color2).a;
          var w1 = (((w * a == -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0;
          var w2 = 1 - w1;
          var rgb = [color1.rgb[0] * w1 + color2.rgb[0] * w2,
              color1.rgb[1] * w1 + color2.rgb[1] * w2,
              color1.rgb[2] * w1 + color2.rgb[2] * w2];
          var alpha = color1.alpha * p + color2.alpha * (1 - p);
          return new Color(rgb, alpha);
      },
      greyscale: function (color) {
          return colorFunctions.desaturate(color, new Dimension(100));
      },
      contrast: function (color, dark, light, threshold) {
          // filter: contrast(3.2);
          // should be kept as is, so check for color
          if (!color.rgb) {
              return null;
          }
          if (typeof light === 'undefined') {
              light = colorFunctions.rgba(255, 255, 255, 1.0);
          }
          if (typeof dark === 'undefined') {
              dark = colorFunctions.rgba(0, 0, 0, 1.0);
          }
          // Figure out which is actually light and dark:
          if (dark.luma() > light.luma()) {
              var t = light;
              light = dark;
              dark = t;
          }
          if (typeof threshold === 'undefined') {
              threshold = 0.43;
          }
          else {
              threshold = number(threshold);
          }
          if (color.luma() < threshold) {
              return light;
          }
          else {
              return dark;
          }
      },
      // Changes made in 2.7.0 - Reverted in 3.0.0
      // contrast: function (color, color1, color2, threshold) {
      //     // Return which of `color1` and `color2` has the greatest contrast with `color`
      //     // according to the standard WCAG contrast ratio calculation.
      //     // http://www.w3.org/TR/WCAG20/#contrast-ratiodef
      //     // The threshold param is no longer used, in line with SASS.
      //     // filter: contrast(3.2);
      //     // should be kept as is, so check for color
      //     if (!color.rgb) {
      //         return null;
      //     }
      //     if (typeof color1 === 'undefined') {
      //         color1 = colorFunctions.rgba(0, 0, 0, 1.0);
      //     }
      //     if (typeof color2 === 'undefined') {
      //         color2 = colorFunctions.rgba(255, 255, 255, 1.0);
      //     }
      //     var contrast1, contrast2;
      //     var luma = color.luma();
      //     var luma1 = color1.luma();
      //     var luma2 = color2.luma();
      //     // Calculate contrast ratios for each color
      //     if (luma > luma1) {
      //         contrast1 = (luma + 0.05) / (luma1 + 0.05);
      //     } else {
      //         contrast1 = (luma1 + 0.05) / (luma + 0.05);
      //     }
      //     if (luma > luma2) {
      //         contrast2 = (luma + 0.05) / (luma2 + 0.05);
      //     } else {
      //         contrast2 = (luma2 + 0.05) / (luma + 0.05);
      //     }
      //     if (contrast1 > contrast2) {
      //         return color1;
      //     } else {
      //         return color2;
      //     }
      // },
      argb: function (color) {
          return new Anonymous(color.toARGB());
      },
      color: function (c) {
          if ((c instanceof Quoted) &&
              (/^#([A-Fa-f0-9]{8}|[A-Fa-f0-9]{6}|[A-Fa-f0-9]{3,4})$/i.test(c.value))) {
              var val = c.value.slice(1);
              return new Color(val, undefined, "#" + val);
          }
          if ((c instanceof Color) || (c = Color.fromKeyword(c.value))) {
              c.value = undefined;
              return c;
          }
          throw {
              type: 'Argument',
              message: 'argument must be a color keyword or 3|4|6|8 digit hex e.g. #FFF'
          };
      },
      tint: function (color, amount) {
          return colorFunctions.mix(colorFunctions.rgb(255, 255, 255), color, amount);
      },
      shade: function (color, amount) {
          return colorFunctions.mix(colorFunctions.rgb(0, 0, 0), color, amount);
      }
  };
  var color = colorFunctions;

  // Color Blending
  // ref: http://www.w3.org/TR/compositing-1
  function colorBlend(mode, color1, color2) {
      var ab = color1.alpha; // result
      var // backdrop
      cb;
      var as = color2.alpha;
      var // source
      cs;
      var ar;
      var cr;
      var r = [];
      ar = as + ab * (1 - as);
      for (var i = 0; i < 3; i++) {
          cb = color1.rgb[i] / 255;
          cs = color2.rgb[i] / 255;
          cr = mode(cb, cs);
          if (ar) {
              cr = (as * cs + ab * (cb -
                  as * (cb + cs - cr))) / ar;
          }
          r[i] = cr * 255;
      }
      return new Color(r, ar);
  }
  var colorBlendModeFunctions = {
      multiply: function (cb, cs) {
          return cb * cs;
      },
      screen: function (cb, cs) {
          return cb + cs - cb * cs;
      },
      overlay: function (cb, cs) {
          cb *= 2;
          return (cb <= 1) ?
              colorBlendModeFunctions.multiply(cb, cs) :
              colorBlendModeFunctions.screen(cb - 1, cs);
      },
      softlight: function (cb, cs) {
          var d = 1;
          var e = cb;
          if (cs > 0.5) {
              e = 1;
              d = (cb > 0.25) ? Math.sqrt(cb)
                  : ((16 * cb - 12) * cb + 4) * cb;
          }
          return cb - (1 - 2 * cs) * e * (d - cb);
      },
      hardlight: function (cb, cs) {
          return colorBlendModeFunctions.overlay(cs, cb);
      },
      difference: function (cb, cs) {
          return Math.abs(cb - cs);
      },
      exclusion: function (cb, cs) {
          return cb + cs - 2 * cb * cs;
      },
      // non-w3c functions:
      average: function (cb, cs) {
          return (cb + cs) / 2;
      },
      negation: function (cb, cs) {
          return 1 - Math.abs(cb + cs - 1);
      }
  };
  for (var f in colorBlendModeFunctions) {
      if (colorBlendModeFunctions.hasOwnProperty(f)) {
          colorBlend[f] = colorBlend.bind(null, colorBlendModeFunctions[f]);
      }
  }

  var dataUri = (function (environment) {
      var fallback = function (functionThis, node) { return new URL(node, functionThis.index, functionThis.currentFileInfo).eval(functionThis.context); };
      return { 'data-uri': function (mimetypeNode, filePathNode) {
              if (!filePathNode) {
                  filePathNode = mimetypeNode;
                  mimetypeNode = null;
              }
              var mimetype = mimetypeNode && mimetypeNode.value;
              var filePath = filePathNode.value;
              var currentFileInfo = this.currentFileInfo;
              var currentDirectory = currentFileInfo.rewriteUrls ?
                  currentFileInfo.currentDirectory : currentFileInfo.entryPath;
              var fragmentStart = filePath.indexOf('#');
              var fragment = '';
              if (fragmentStart !== -1) {
                  fragment = filePath.slice(fragmentStart);
                  filePath = filePath.slice(0, fragmentStart);
              }
              var context = clone(this.context);
              context.rawBuffer = true;
              var fileManager = environment.getFileManager(filePath, currentDirectory, context, environment, true);
              if (!fileManager) {
                  return fallback(this, filePathNode);
              }
              var useBase64 = false;
              // detect the mimetype if not given
              if (!mimetypeNode) {
                  mimetype = environment.mimeLookup(filePath);
                  if (mimetype === 'image/svg+xml') {
                      useBase64 = false;
                  }
                  else {
                      // use base 64 unless it's an ASCII or UTF-8 format
                      var charset = environment.charsetLookup(mimetype);
                      useBase64 = ['US-ASCII', 'UTF-8'].indexOf(charset) < 0;
                  }
                  if (useBase64) {
                      mimetype += ';base64';
                  }
              }
              else {
                  useBase64 = /;base64$/.test(mimetype);
              }
              var fileSync = fileManager.loadFileSync(filePath, currentDirectory, context, environment);
              if (!fileSync.contents) {
                  logger.warn("Skipped data-uri embedding of " + filePath + " because file not found");
                  return fallback(this, filePathNode || mimetypeNode);
              }
              var buf = fileSync.contents;
              if (useBase64 && !environment.encodeBase64) {
                  return fallback(this, filePathNode);
              }
              buf = useBase64 ? environment.encodeBase64(buf) : encodeURIComponent(buf);
              var uri = "data:" + mimetype + "," + buf + fragment;
              return new URL(new Quoted("\"" + uri + "\"", uri, false, this.index, this.currentFileInfo), this.index, this.currentFileInfo);
          } };
  });

  var getItemsFromNode = function (node) {
      // handle non-array values as an array of length 1
      // return 'undefined' if index is invalid
      var items = Array.isArray(node.value) ?
          node.value : Array(node);
      return items;
  };
  var list = {
      _SELF: function (n) {
          return n;
      },
      extract: function (values, index) {
          // (1-based index)
          index = index.value - 1;
          return getItemsFromNode(values)[index];
      },
      length: function (values) {
          return new Dimension(getItemsFromNode(values).length);
      },
      /**
       * Creates a Less list of incremental values.
       * Modeled after Lodash's range function, also exists natively in PHP
       *
       * @param {Dimension} [start=1]
       * @param {Dimension} end  - e.g. 10 or 10px - unit is added to output
       * @param {Dimension} [step=1]
       */
      range: function (start, end, step) {
          var from;
          var to;
          var stepValue = 1;
          var list = [];
          if (end) {
              to = end;
              from = start.value;
              if (step) {
                  stepValue = step.value;
              }
          }
          else {
              from = 1;
              to = start;
          }
          for (var i = from; i <= to.value; i += stepValue) {
              list.push(new Dimension(i, to.unit));
          }
          return new Expression(list);
      },
      each: function (list, rs) {
          var _this = this;
          var rules = [];
          var newRules;
          var iterator;
          var tryEval = function (val) {
              if (val instanceof Node) {
                  return val.eval(_this.context);
              }
              return val;
          };
          if (list.value && !(list instanceof Quoted)) {
              if (Array.isArray(list.value)) {
                  iterator = list.value.map(tryEval);
              }
              else {
                  iterator = [tryEval(list.value)];
              }
          }
          else if (list.ruleset) {
              iterator = tryEval(list.ruleset).rules;
          }
          else if (list.rules) {
              iterator = list.rules.map(tryEval);
          }
          else if (Array.isArray(list)) {
              iterator = list.map(tryEval);
          }
          else {
              iterator = [tryEval(list)];
          }
          var valueName = '@value';
          var keyName = '@key';
          var indexName = '@index';
          if (rs.params) {
              valueName = rs.params[0] && rs.params[0].name;
              keyName = rs.params[1] && rs.params[1].name;
              indexName = rs.params[2] && rs.params[2].name;
              rs = rs.rules;
          }
          else {
              rs = rs.ruleset;
          }
          for (var i = 0; i < iterator.length; i++) {
              var key = void 0;
              var value = void 0;
              var item = iterator[i];
              if (item instanceof Declaration) {
                  key = typeof item.name === 'string' ? item.name : item.name[0].value;
                  value = item.value;
              }
              else {
                  key = new Dimension(i + 1);
                  value = item;
              }
              if (item instanceof Comment) {
                  continue;
              }
              newRules = rs.rules.slice(0);
              if (valueName) {
                  newRules.push(new Declaration(valueName, value, false, false, this.index, this.currentFileInfo));
              }
              if (indexName) {
                  newRules.push(new Declaration(indexName, new Dimension(i + 1), false, false, this.index, this.currentFileInfo));
              }
              if (keyName) {
                  newRules.push(new Declaration(keyName, key, false, false, this.index, this.currentFileInfo));
              }
              rules.push(new Ruleset([new (Selector)([new Element("", '&')])], newRules, rs.strictImports, rs.visibilityInfo()));
          }
          return new Ruleset([new (Selector)([new Element("", '&')])], rules, rs.strictImports, rs.visibilityInfo()).eval(this.context);
      }
  };

  var MathHelper = function (fn, unit, n) {
      if (!(n instanceof Dimension)) {
          throw { type: 'Argument', message: 'argument must be a number' };
      }
      if (unit == null) {
          unit = n.unit;
      }
      else {
          n = n.unify();
      }
      return new Dimension(fn(parseFloat(n.value)), unit);
  };

  var mathFunctions = {
      // name,  unit
      ceil: null,
      floor: null,
      sqrt: null,
      abs: null,
      tan: '',
      sin: '',
      cos: '',
      atan: 'rad',
      asin: 'rad',
      acos: 'rad'
  };
  for (var f$1 in mathFunctions) {
      if (mathFunctions.hasOwnProperty(f$1)) {
          mathFunctions[f$1] = MathHelper.bind(null, Math[f$1], mathFunctions[f$1]);
      }
  }
  mathFunctions.round = function (n, f) {
      var fraction = typeof f === 'undefined' ? 0 : f.value;
      return MathHelper(function (num) { return num.toFixed(fraction); }, null, n);
  };

  var minMax = function (isMin, args) {
      args = Array.prototype.slice.call(args);
      switch (args.length) {
          case 0: throw { type: 'Argument', message: 'one or more arguments required' };
      }
      var i; // key is the unit.toString() for unified Dimension values,
      var j;
      var current;
      var currentUnified;
      var referenceUnified;
      var unit;
      var unitStatic;
      var unitClone;
      var // elems only contains original argument values.
      order = [];
      var values = {};
      // value is the index into the order array.
      for (i = 0; i < args.length; i++) {
          current = args[i];
          if (!(current instanceof Dimension)) {
              if (Array.isArray(args[i].value)) {
                  Array.prototype.push.apply(args, Array.prototype.slice.call(args[i].value));
              }
              continue;
          }
          currentUnified = current.unit.toString() === '' && unitClone !== undefined ? new Dimension(current.value, unitClone).unify() : current.unify();
          unit = currentUnified.unit.toString() === '' && unitStatic !== undefined ? unitStatic : currentUnified.unit.toString();
          unitStatic = unit !== '' && unitStatic === undefined || unit !== '' && order[0].unify().unit.toString() === '' ? unit : unitStatic;
          unitClone = unit !== '' && unitClone === undefined ? current.unit.toString() : unitClone;
          j = values[''] !== undefined && unit !== '' && unit === unitStatic ? values[''] : values[unit];
          if (j === undefined) {
              if (unitStatic !== undefined && unit !== unitStatic) {
                  throw { type: 'Argument', message: 'incompatible types' };
              }
              values[unit] = order.length;
              order.push(current);
              continue;
          }
          referenceUnified = order[j].unit.toString() === '' && unitClone !== undefined ? new Dimension(order[j].value, unitClone).unify() : order[j].unify();
          if (isMin && currentUnified.value < referenceUnified.value ||
              !isMin && currentUnified.value > referenceUnified.value) {
              order[j] = current;
          }
      }
      if (order.length == 1) {
          return order[0];
      }
      args = order.map(function (a) { return a.toCSS(this.context); }).join(this.context.compress ? ',' : ', ');
      return new Anonymous((isMin ? 'min' : 'max') + "(" + args + ")");
  };
  var number$1 = {
      min: function () {
          var args = [];
          for (var _i = 0; _i < arguments.length; _i++) {
              args[_i] = arguments[_i];
          }
          return minMax(true, args);
      },
      max: function () {
          var args = [];
          for (var _i = 0; _i < arguments.length; _i++) {
              args[_i] = arguments[_i];
          }
          return minMax(false, args);
      },
      convert: function (val, unit) {
          return val.convertTo(unit.value);
      },
      pi: function () {
          return new Dimension(Math.PI);
      },
      mod: function (a, b) {
          return new Dimension(a.value % b.value, a.unit);
      },
      pow: function (x, y) {
          if (typeof x === 'number' && typeof y === 'number') {
              x = new Dimension(x);
              y = new Dimension(y);
          }
          else if (!(x instanceof Dimension) || !(y instanceof Dimension)) {
              throw { type: 'Argument', message: 'arguments must be numbers' };
          }
          return new Dimension(Math.pow(x.value, y.value), x.unit);
      },
      percentage: function (n) {
          var result = MathHelper(function (num) { return num * 100; }, '%', n);
          return result;
      }
  };

  var string = {
      e: function (str) {
          return new Quoted('"', str instanceof JavaScript ? str.evaluated : str.value, true);
      },
      escape: function (str) {
          return new Anonymous(encodeURI(str.value).replace(/=/g, '%3D').replace(/:/g, '%3A').replace(/#/g, '%23').replace(/;/g, '%3B')
              .replace(/\(/g, '%28').replace(/\)/g, '%29'));
      },
      replace: function (string, pattern, replacement, flags) {
          var result = string.value;
          replacement = (replacement.type === 'Quoted') ?
              replacement.value : replacement.toCSS();
          result = result.replace(new RegExp(pattern.value, flags ? flags.value : ''), replacement);
          return new Quoted(string.quote || '', result, string.escaped);
      },
      '%': function (string /* arg, arg, ... */) {
          var args = Array.prototype.slice.call(arguments, 1);
          var result = string.value;
          var _loop_1 = function (i) {
              /* jshint loopfunc:true */
              result = result.replace(/%[sda]/i, function (token) {
                  var value = ((args[i].type === 'Quoted') &&
                      token.match(/s/i)) ? args[i].value : args[i].toCSS();
                  return token.match(/[A-Z]$/) ? encodeURIComponent(value) : value;
              });
          };
          for (var i = 0; i < args.length; i++) {
              _loop_1(i);
          }
          result = result.replace(/%%/g, '%');
          return new Quoted(string.quote || '', result, string.escaped);
      }
  };

  var svg = (function (environment) {
      return { 'svg-gradient': function (direction) {
              var stops;
              var gradientDirectionSvg;
              var gradientType = 'linear';
              var rectangleDimension = 'x="0" y="0" width="1" height="1"';
              var renderEnv = { compress: false };
              var returner;
              var directionValue = direction.toCSS(renderEnv);
              var i;
              var color;
              var position;
              var positionValue;
              var alpha;
              function throwArgumentDescriptor() {
                  throw { type: 'Argument',
                      message: 'svg-gradient expects direction, start_color [start_position], [color position,]...,' +
                          ' end_color [end_position] or direction, color list' };
              }
              if (arguments.length == 2) {
                  if (arguments[1].value.length < 2) {
                      throwArgumentDescriptor();
                  }
                  stops = arguments[1].value;
              }
              else if (arguments.length < 3) {
                  throwArgumentDescriptor();
              }
              else {
                  stops = Array.prototype.slice.call(arguments, 1);
              }
              switch (directionValue) {
                  case 'to bottom':
                      gradientDirectionSvg = 'x1="0%" y1="0%" x2="0%" y2="100%"';
                      break;
                  case 'to right':
                      gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="0%"';
                      break;
                  case 'to bottom right':
                      gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="100%"';
                      break;
                  case 'to top right':
                      gradientDirectionSvg = 'x1="0%" y1="100%" x2="100%" y2="0%"';
                      break;
                  case 'ellipse':
                  case 'ellipse at center':
                      gradientType = 'radial';
                      gradientDirectionSvg = 'cx="50%" cy="50%" r="75%"';
                      rectangleDimension = 'x="-50" y="-50" width="101" height="101"';
                      break;
                  default:
                      throw { type: 'Argument', message: 'svg-gradient direction must be \'to bottom\', \'to right\',' +
                              ' \'to bottom right\', \'to top right\' or \'ellipse at center\'' };
              }
              returner = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 1 1\"><" + gradientType + "Gradient id=\"g\" " + gradientDirectionSvg + ">";
              for (i = 0; i < stops.length; i += 1) {
                  if (stops[i] instanceof Expression) {
                      color = stops[i].value[0];
                      position = stops[i].value[1];
                  }
                  else {
                      color = stops[i];
                      position = undefined;
                  }
                  if (!(color instanceof Color) || (!((i === 0 || i + 1 === stops.length) && position === undefined) && !(position instanceof Dimension))) {
                      throwArgumentDescriptor();
                  }
                  positionValue = position ? position.toCSS(renderEnv) : i === 0 ? '0%' : '100%';
                  alpha = color.alpha;
                  returner += "<stop offset=\"" + positionValue + "\" stop-color=\"" + color.toRGB() + "\"" + (alpha < 1 ? " stop-opacity=\"" + alpha + "\"" : '') + "/>";
              }
              returner += "</" + gradientType + "Gradient><rect " + rectangleDimension + " fill=\"url(#g)\" /></svg>";
              returner = encodeURIComponent(returner);
              returner = "data:image/svg+xml," + returner;
              return new URL(new Quoted("'" + returner + "'", returner, false, this.index, this.currentFileInfo), this.index, this.currentFileInfo);
          } };
  });

  var isa = function (n, Type) { return (n instanceof Type) ? Keyword.True : Keyword.False; };
  var isunit = function (n, unit) {
      if (unit === undefined) {
          throw { type: 'Argument', message: 'missing the required second argument to isunit.' };
      }
      unit = typeof unit.value === 'string' ? unit.value : unit;
      if (typeof unit !== 'string') {
          throw { type: 'Argument', message: 'Second argument to isunit should be a unit or a string.' };
      }
      return (n instanceof Dimension) && n.unit.is(unit) ? Keyword.True : Keyword.False;
  };
  var types = {
      isruleset: function (n) {
          return isa(n, DetachedRuleset);
      },
      iscolor: function (n) {
          return isa(n, Color);
      },
      isnumber: function (n) {
          return isa(n, Dimension);
      },
      isstring: function (n) {
          return isa(n, Quoted);
      },
      iskeyword: function (n) {
          return isa(n, Keyword);
      },
      isurl: function (n) {
          return isa(n, URL);
      },
      ispixel: function (n) {
          return isunit(n, 'px');
      },
      ispercentage: function (n) {
          return isunit(n, '%');
      },
      isem: function (n) {
          return isunit(n, 'em');
      },
      isunit: isunit,
      unit: function (val, unit) {
          if (!(val instanceof Dimension)) {
              throw { type: 'Argument', message: "the first argument to unit must be a number" + (val instanceof Operation ? '. Have you forgotten parenthesis?' : '') };
          }
          if (unit) {
              if (unit instanceof Keyword) {
                  unit = unit.value;
              }
              else {
                  unit = unit.toCSS();
              }
          }
          else {
              unit = '';
          }
          return new Dimension(val.value, unit);
      },
      'get-unit': function (n) {
          return new Anonymous(n.unit);
      }
  };

  var Functions = (function (environment) {
      var functions = { functionRegistry: functionRegistry, functionCaller: functionCaller };
      // register functions
      functionRegistry.addMultiple(boolean$1);
      functionRegistry.add('default', defaultFunc.eval.bind(defaultFunc));
      functionRegistry.addMultiple(color);
      functionRegistry.addMultiple(colorBlend);
      functionRegistry.addMultiple(dataUri(environment));
      functionRegistry.addMultiple(list);
      functionRegistry.addMultiple(mathFunctions);
      functionRegistry.addMultiple(number$1);
      functionRegistry.addMultiple(string);
      functionRegistry.addMultiple(svg());
      functionRegistry.addMultiple(types);
      return functions;
  });

  var sourceMapOutput = (function (environment) {
      var SourceMapOutput = /** @class */ (function () {
          function SourceMapOutput(options) {
              this._css = [];
              this._rootNode = options.rootNode;
              this._contentsMap = options.contentsMap;
              this._contentsIgnoredCharsMap = options.contentsIgnoredCharsMap;
              if (options.sourceMapFilename) {
                  this._sourceMapFilename = options.sourceMapFilename.replace(/\\/g, '/');
              }
              this._outputFilename = options.outputFilename;
              this.sourceMapURL = options.sourceMapURL;
              if (options.sourceMapBasepath) {
                  this._sourceMapBasepath = options.sourceMapBasepath.replace(/\\/g, '/');
              }
              if (options.sourceMapRootpath) {
                  this._sourceMapRootpath = options.sourceMapRootpath.replace(/\\/g, '/');
                  if (this._sourceMapRootpath.charAt(this._sourceMapRootpath.length - 1) !== '/') {
                      this._sourceMapRootpath += '/';
                  }
              }
              else {
                  this._sourceMapRootpath = '';
              }
              this._outputSourceFiles = options.outputSourceFiles;
              this._sourceMapGeneratorConstructor = environment.getSourceMapGenerator();
              this._lineNumber = 0;
              this._column = 0;
          }
          SourceMapOutput.prototype.removeBasepath = function (path) {
              if (this._sourceMapBasepath && path.indexOf(this._sourceMapBasepath) === 0) {
                  path = path.substring(this._sourceMapBasepath.length);
                  if (path.charAt(0) === '\\' || path.charAt(0) === '/') {
                      path = path.substring(1);
                  }
              }
              return path;
          };
          SourceMapOutput.prototype.normalizeFilename = function (filename) {
              filename = filename.replace(/\\/g, '/');
              filename = this.removeBasepath(filename);
              return (this._sourceMapRootpath || '') + filename;
          };
          SourceMapOutput.prototype.add = function (chunk, fileInfo, index, mapLines) {
              // ignore adding empty strings
              if (!chunk) {
                  return;
              }
              var lines;
              var sourceLines;
              var columns;
              var sourceColumns;
              var i;
              if (fileInfo && fileInfo.filename) {
                  var inputSource = this._contentsMap[fileInfo.filename];
                  // remove vars/banner added to the top of the file
                  if (this._contentsIgnoredCharsMap[fileInfo.filename]) {
                      // adjust the index
                      index -= this._contentsIgnoredCharsMap[fileInfo.filename];
                      if (index < 0) {
                          index = 0;
                      }
                      // adjust the source
                      inputSource = inputSource.slice(this._contentsIgnoredCharsMap[fileInfo.filename]);
                  }
                  /**
                   * ignore empty content, or failsafe
                   * if contents map is incorrect
                   */
                  if (inputSource === undefined) {
                      this._css.push(chunk);
                      return;
                  }
                  inputSource = inputSource.substring(0, index);
                  sourceLines = inputSource.split('\n');
                  sourceColumns = sourceLines[sourceLines.length - 1];
              }
              lines = chunk.split('\n');
              columns = lines[lines.length - 1];
              if (fileInfo && fileInfo.filename) {
                  if (!mapLines) {
                      this._sourceMapGenerator.addMapping({ generated: { line: this._lineNumber + 1, column: this._column },
                          original: { line: sourceLines.length, column: sourceColumns.length },
                          source: this.normalizeFilename(fileInfo.filename) });
                  }
                  else {
                      for (i = 0; i < lines.length; i++) {
                          this._sourceMapGenerator.addMapping({ generated: { line: this._lineNumber + i + 1, column: i === 0 ? this._column : 0 },
                              original: { line: sourceLines.length + i, column: i === 0 ? sourceColumns.length : 0 },
                              source: this.normalizeFilename(fileInfo.filename) });
                      }
                  }
              }
              if (lines.length === 1) {
                  this._column += columns.length;
              }
              else {
                  this._lineNumber += lines.length - 1;
                  this._column = columns.length;
              }
              this._css.push(chunk);
          };
          SourceMapOutput.prototype.isEmpty = function () {
              return this._css.length === 0;
          };
          SourceMapOutput.prototype.toCSS = function (context) {
              this._sourceMapGenerator = new this._sourceMapGeneratorConstructor({ file: this._outputFilename, sourceRoot: null });
              if (this._outputSourceFiles) {
                  for (var filename in this._contentsMap) {
                      if (this._contentsMap.hasOwnProperty(filename)) {
                          var source = this._contentsMap[filename];
                          if (this._contentsIgnoredCharsMap[filename]) {
                              source = source.slice(this._contentsIgnoredCharsMap[filename]);
                          }
                          this._sourceMapGenerator.setSourceContent(this.normalizeFilename(filename), source);
                      }
                  }
              }
              this._rootNode.genCSS(context, this);
              if (this._css.length > 0) {
                  var sourceMapURL = void 0;
                  var sourceMapContent = JSON.stringify(this._sourceMapGenerator.toJSON());
                  if (this.sourceMapURL) {
                      sourceMapURL = this.sourceMapURL;
                  }
                  else if (this._sourceMapFilename) {
                      sourceMapURL = this._sourceMapFilename;
                  }
                  this.sourceMapURL = sourceMapURL;
                  this.sourceMap = sourceMapContent;
              }
              return this._css.join('');
          };
          return SourceMapOutput;
      }());
      return SourceMapOutput;
  });

  var sourceMapBuilder = (function (SourceMapOutput, environment) {
      var SourceMapBuilder = /** @class */ (function () {
          function SourceMapBuilder(options) {
              this.options = options;
          }
          SourceMapBuilder.prototype.toCSS = function (rootNode, options, imports) {
              var sourceMapOutput = new SourceMapOutput({
                  contentsIgnoredCharsMap: imports.contentsIgnoredChars,
                  rootNode: rootNode,
                  contentsMap: imports.contents,
                  sourceMapFilename: this.options.sourceMapFilename,
                  sourceMapURL: this.options.sourceMapURL,
                  outputFilename: this.options.sourceMapOutputFilename,
                  sourceMapBasepath: this.options.sourceMapBasepath,
                  sourceMapRootpath: this.options.sourceMapRootpath,
                  outputSourceFiles: this.options.outputSourceFiles,
                  sourceMapGenerator: this.options.sourceMapGenerator,
                  sourceMapFileInline: this.options.sourceMapFileInline,
                  disableSourcemapAnnotation: this.options.disableSourcemapAnnotation
              });
              var css = sourceMapOutput.toCSS(options);
              this.sourceMap = sourceMapOutput.sourceMap;
              this.sourceMapURL = sourceMapOutput.sourceMapURL;
              if (this.options.sourceMapInputFilename) {
                  this.sourceMapInputFilename = sourceMapOutput.normalizeFilename(this.options.sourceMapInputFilename);
              }
              if (this.options.sourceMapBasepath !== undefined && this.sourceMapURL !== undefined) {
                  this.sourceMapURL = sourceMapOutput.removeBasepath(this.sourceMapURL);
              }
              return css + this.getCSSAppendage();
          };
          SourceMapBuilder.prototype.getCSSAppendage = function () {
              var sourceMapURL = this.sourceMapURL;
              if (this.options.sourceMapFileInline) {
                  if (this.sourceMap === undefined) {
                      return '';
                  }
                  sourceMapURL = "data:application/json;base64," + environment.encodeBase64(this.sourceMap);
              }
              if (this.options.disableSourcemapAnnotation) {
                  return '';
              }
              if (sourceMapURL) {
                  return "/*# sourceMappingURL=" + sourceMapURL + " */";
              }
              return '';
          };
          SourceMapBuilder.prototype.getExternalSourceMap = function () {
              return this.sourceMap;
          };
          SourceMapBuilder.prototype.setExternalSourceMap = function (sourceMap) {
              this.sourceMap = sourceMap;
          };
          SourceMapBuilder.prototype.isInline = function () {
              return this.options.sourceMapFileInline;
          };
          SourceMapBuilder.prototype.getSourceMapURL = function () {
              return this.sourceMapURL;
          };
          SourceMapBuilder.prototype.getOutputFilename = function () {
              return this.options.sourceMapOutputFilename;
          };
          SourceMapBuilder.prototype.getInputFilename = function () {
              return this.sourceMapInputFilename;
          };
          return SourceMapBuilder;
      }());
      return SourceMapBuilder;
  });

  var transformTree = (function (root, options) {
      if (options === void 0) { options = {}; }
      var evaldRoot;
      var variables = options.variables;
      var evalEnv = new contexts.Eval(options);
      //
      // Allows setting variables with a hash, so:
      //
      //   `{ color: new tree.Color('#f01') }` will become:
      //
      //   new tree.Declaration('@color',
      //     new tree.Value([
      //       new tree.Expression([
      //         new tree.Color('#f01')
      //       ])
      //     ])
      //   )
      //
      if (typeof variables === 'object' && !Array.isArray(variables)) {
          variables = Object.keys(variables).map(function (k) {
              var value = variables[k];
              if (!(value instanceof tree.Value)) {
                  if (!(value instanceof tree.Expression)) {
                      value = new tree.Expression([value]);
                  }
                  value = new tree.Value([value]);
              }
              return new tree.Declaration("@" + k, value, false, null, 0);
          });
          evalEnv.frames = [new tree.Ruleset(null, variables)];
      }
      var visitors$1 = [
          new visitors.JoinSelectorVisitor(),
          new visitors.MarkVisibleSelectorsVisitor(true),
          new visitors.ExtendVisitor(),
          new visitors.ToCSSVisitor({ compress: Boolean(options.compress) })
      ];
      var preEvalVisitors = [];
      var v;
      var visitorIterator;
      /**
       * first() / get() allows visitors to be added while visiting
       *
       * @todo Add scoping for visitors just like functions for @plugin; right now they're global
       */
      if (options.pluginManager) {
          visitorIterator = options.pluginManager.visitor();
          for (var i = 0; i < 2; i++) {
              visitorIterator.first();
              while ((v = visitorIterator.get())) {
                  if (v.isPreEvalVisitor) {
                      if (i === 0 || preEvalVisitors.indexOf(v) === -1) {
                          preEvalVisitors.push(v);
                          v.run(root);
                      }
                  }
                  else {
                      if (i === 0 || visitors$1.indexOf(v) === -1) {
                          if (v.isPreVisitor) {
                              visitors$1.unshift(v);
                          }
                          else {
                              visitors$1.push(v);
                          }
                      }
                  }
              }
          }
      }
      evaldRoot = root.eval(evalEnv);
      for (var i = 0; i < visitors$1.length; i++) {
          visitors$1[i].run(evaldRoot);
      }
      // Run any remaining visitors added after eval pass
      if (options.pluginManager) {
          visitorIterator.first();
          while ((v = visitorIterator.get())) {
              if (visitors$1.indexOf(v) === -1 && preEvalVisitors.indexOf(v) === -1) {
                  v.run(evaldRoot);
              }
          }
      }
      return evaldRoot;
  });

  var parseTree = (function (SourceMapBuilder) {
      var ParseTree = /** @class */ (function () {
          function ParseTree(root, imports) {
              this.root = root;
              this.imports = imports;
          }
          ParseTree.prototype.toCSS = function (options) {
              var evaldRoot;
              var result = {};
              var sourceMapBuilder;
              try {
                  evaldRoot = transformTree(this.root, options);
              }
              catch (e) {
                  throw new LessError(e, this.imports);
              }
              try {
                  var compress = Boolean(options.compress);
                  if (compress) {
                      logger.warn('The compress option has been deprecated. ' +
                          'We recommend you use a dedicated css minifier, for instance see less-plugin-clean-css.');
                  }
                  var toCSSOptions = {
                      compress: compress,
                      dumpLineNumbers: options.dumpLineNumbers,
                      strictUnits: Boolean(options.strictUnits),
                      numPrecision: 8
                  };
                  if (options.sourceMap) {
                      sourceMapBuilder = new SourceMapBuilder(options.sourceMap);
                      result.css = sourceMapBuilder.toCSS(evaldRoot, toCSSOptions, this.imports);
                  }
                  else {
                      result.css = evaldRoot.toCSS(toCSSOptions);
                  }
              }
              catch (e) {
                  throw new LessError(e, this.imports);
              }
              if (options.pluginManager) {
                  var postProcessors = options.pluginManager.getPostProcessors();
                  for (var i = 0; i < postProcessors.length; i++) {
                      result.css = postProcessors[i].process(result.css, { sourceMap: sourceMapBuilder, options: options, imports: this.imports });
                  }
              }
              if (options.sourceMap) {
                  result.map = sourceMapBuilder.getExternalSourceMap();
              }
              result.imports = [];
              for (var file in this.imports.files) {
                  if (this.imports.files.hasOwnProperty(file) && file !== this.imports.rootFilename) {
                      result.imports.push(file);
                  }
              }
              return result;
          };
          return ParseTree;
      }());
      return ParseTree;
  });

  function importManager (environment) {
      // FileInfo = {
      //  'rewriteUrls' - option - whether to adjust URL's to be relative
      //  'filename' - full resolved filename of current file
      //  'rootpath' - path to append to normal URLs for this node
      //  'currentDirectory' - path to the current file, absolute
      //  'rootFilename' - filename of the base file
      //  'entryPath' - absolute path to the entry file
      //  'reference' - whether the file should not be output and only output parts that are referenced
      var ImportManager = /** @class */ (function () {
          function ImportManager(less, context, rootFileInfo) {
              this.less = less;
              this.rootFilename = rootFileInfo.filename;
              this.paths = context.paths || []; // Search paths, when importing
              this.contents = {}; // map - filename to contents of all the files
              this.contentsIgnoredChars = {}; // map - filename to lines at the beginning of each file to ignore
              this.mime = context.mime;
              this.error = null;
              this.context = context;
              // Deprecated? Unused outside of here, could be useful.
              this.queue = []; // Files which haven't been imported yet
              this.files = {}; // Holds the imported parse trees.
          }
          /**
           * Add an import to be imported
           * @param path - the raw path
           * @param tryAppendExtension - whether to try appending a file extension (.less or .js if the path has no extension)
           * @param currentFileInfo - the current file info (used for instance to work out relative paths)
           * @param importOptions - import options
           * @param callback - callback for when it is imported
           */
          ImportManager.prototype.push = function (path, tryAppendExtension, currentFileInfo, importOptions, callback) {
              var importManager = this, pluginLoader = this.context.pluginManager.Loader;
              this.queue.push(path);
              var fileParsedFunc = function (e, root, fullPath) {
                  importManager.queue.splice(importManager.queue.indexOf(path), 1); // Remove the path from the queue
                  var importedEqualsRoot = fullPath === importManager.rootFilename;
                  if (importOptions.optional && e) {
                      callback(null, { rules: [] }, false, null);
                      logger.info("The file " + fullPath + " was skipped because it was not found and the import was marked optional.");
                  }
                  else {
                      // Inline imports aren't cached here.
                      // If we start to cache them, please make sure they won't conflict with non-inline imports of the
                      // same name as they used to do before this comment and the condition below have been added.
                      if (!importManager.files[fullPath] && !importOptions.inline) {
                          importManager.files[fullPath] = { root: root, options: importOptions };
                      }
                      if (e && !importManager.error) {
                          importManager.error = e;
                      }
                      callback(e, root, importedEqualsRoot, fullPath);
                  }
              };
              var newFileInfo = {
                  rewriteUrls: this.context.rewriteUrls,
                  entryPath: currentFileInfo.entryPath,
                  rootpath: currentFileInfo.rootpath,
                  rootFilename: currentFileInfo.rootFilename
              };
              var fileManager = environment.getFileManager(path, currentFileInfo.currentDirectory, this.context, environment);
              if (!fileManager) {
                  fileParsedFunc({ message: "Could not find a file-manager for " + path });
                  return;
              }
              var loadFileCallback = function (loadedFile) {
                  var plugin;
                  var resolvedFilename = loadedFile.filename;
                  var contents = loadedFile.contents.replace(/^\uFEFF/, '');
                  // Pass on an updated rootpath if path of imported file is relative and file
                  // is in a (sub|sup) directory
                  //
                  // Examples:
                  // - If path of imported file is 'module/nav/nav.less' and rootpath is 'less/',
                  //   then rootpath should become 'less/module/nav/'
                  // - If path of imported file is '../mixins.less' and rootpath is 'less/',
                  //   then rootpath should become 'less/../'
                  newFileInfo.currentDirectory = fileManager.getPath(resolvedFilename);
                  if (newFileInfo.rewriteUrls) {
                      newFileInfo.rootpath = fileManager.join((importManager.context.rootpath || ''), fileManager.pathDiff(newFileInfo.currentDirectory, newFileInfo.entryPath));
                      if (!fileManager.isPathAbsolute(newFileInfo.rootpath) && fileManager.alwaysMakePathsAbsolute()) {
                          newFileInfo.rootpath = fileManager.join(newFileInfo.entryPath, newFileInfo.rootpath);
                      }
                  }
                  newFileInfo.filename = resolvedFilename;
                  var newEnv = new contexts.Parse(importManager.context);
                  newEnv.processImports = false;
                  importManager.contents[resolvedFilename] = contents;
                  if (currentFileInfo.reference || importOptions.reference) {
                      newFileInfo.reference = true;
                  }
                  if (importOptions.isPlugin) {
                      plugin = pluginLoader.evalPlugin(contents, newEnv, importManager, importOptions.pluginArgs, newFileInfo);
                      if (plugin instanceof LessError) {
                          fileParsedFunc(plugin, null, resolvedFilename);
                      }
                      else {
                          fileParsedFunc(null, plugin, resolvedFilename);
                      }
                  }
                  else if (importOptions.inline) {
                      fileParsedFunc(null, contents, resolvedFilename);
                  }
                  else {
                      // import (multiple) parse trees apparently get altered and can't be cached.
                      // TODO: investigate why this is
                      if (importManager.files[resolvedFilename]
                          && !importManager.files[resolvedFilename].options.multiple
                          && !importOptions.multiple) {
                          fileParsedFunc(null, importManager.files[resolvedFilename].root, resolvedFilename);
                      }
                      else {
                          new Parser(newEnv, importManager, newFileInfo).parse(contents, function (e, root) {
                              fileParsedFunc(e, root, resolvedFilename);
                          });
                      }
                  }
              };
              var loadedFile;
              var promise;
              var context = clone(this.context);
              if (tryAppendExtension) {
                  context.ext = importOptions.isPlugin ? '.js' : '.less';
              }
              if (importOptions.isPlugin) {
                  context.mime = 'application/javascript';
                  if (context.syncImport) {
                      loadedFile = pluginLoader.loadPluginSync(path, currentFileInfo.currentDirectory, context, environment, fileManager);
                  }
                  else {
                      promise = pluginLoader.loadPlugin(path, currentFileInfo.currentDirectory, context, environment, fileManager);
                  }
              }
              else {
                  if (context.syncImport) {
                      loadedFile = fileManager.loadFileSync(path, currentFileInfo.currentDirectory, context, environment);
                  }
                  else {
                      promise = fileManager.loadFile(path, currentFileInfo.currentDirectory, context, environment, function (err, loadedFile) {
                          if (err) {
                              fileParsedFunc(err);
                          }
                          else {
                              loadFileCallback(loadedFile);
                          }
                      });
                  }
              }
              if (loadedFile) {
                  if (!loadedFile.filename) {
                      fileParsedFunc(loadedFile);
                  }
                  else {
                      loadFileCallback(loadedFile);
                  }
              }
              else if (promise) {
                  promise.then(loadFileCallback, fileParsedFunc);
              }
          };
          return ImportManager;
      }());
      return ImportManager;
  }

  var Render = (function (environment, ParseTree, ImportManager) {
      var render = function (input, options, callback) {
          if (typeof options === 'function') {
              callback = options;
              options = copyOptions(this.options, {});
          }
          else {
              options = copyOptions(this.options, options || {});
          }
          if (!callback) {
              var self_1 = this;
              return new Promise(function (resolve, reject) {
                  render.call(self_1, input, options, function (err, output) {
                      if (err) {
                          reject(err);
                      }
                      else {
                          resolve(output);
                      }
                  });
              });
          }
          else {
              this.parse(input, options, function (err, root, imports, options) {
                  if (err) {
                      return callback(err);
                  }
                  var result;
                  try {
                      var parseTree = new ParseTree(root, imports);
                      result = parseTree.toCSS(options);
                  }
                  catch (err) {
                      return callback(err);
                  }
                  callback(null, result);
              });
          }
      };
      return render;
  });

  /**
   * Plugin Manager
   */
  var PluginManager = /** @class */ (function () {
      function PluginManager(less) {
          this.less = less;
          this.visitors = [];
          this.preProcessors = [];
          this.postProcessors = [];
          this.installedPlugins = [];
          this.fileManagers = [];
          this.iterator = -1;
          this.pluginCache = {};
          this.Loader = new less.PluginLoader(less);
      }
      /**
       * Adds all the plugins in the array
       * @param {Array} plugins
       */
      PluginManager.prototype.addPlugins = function (plugins) {
          if (plugins) {
              for (var i = 0; i < plugins.length; i++) {
                  this.addPlugin(plugins[i]);
              }
          }
      };
      /**
       *
       * @param plugin
       * @param {String} filename
       */
      PluginManager.prototype.addPlugin = function (plugin, filename, functionRegistry) {
          this.installedPlugins.push(plugin);
          if (filename) {
              this.pluginCache[filename] = plugin;
          }
          if (plugin.install) {
              plugin.install(this.less, this, functionRegistry || this.less.functions.functionRegistry);
          }
      };
      /**
       *
       * @param filename
       */
      PluginManager.prototype.get = function (filename) {
          return this.pluginCache[filename];
      };
      /**
       * Adds a visitor. The visitor object has options on itself to determine
       * when it should run.
       * @param visitor
       */
      PluginManager.prototype.addVisitor = function (visitor) {
          this.visitors.push(visitor);
      };
      /**
       * Adds a pre processor object
       * @param {object} preProcessor
       * @param {number} priority - guidelines 1 = before import, 1000 = import, 2000 = after import
       */
      PluginManager.prototype.addPreProcessor = function (preProcessor, priority) {
          var indexToInsertAt;
          for (indexToInsertAt = 0; indexToInsertAt < this.preProcessors.length; indexToInsertAt++) {
              if (this.preProcessors[indexToInsertAt].priority >= priority) {
                  break;
              }
          }
          this.preProcessors.splice(indexToInsertAt, 0, { preProcessor: preProcessor, priority: priority });
      };
      /**
       * Adds a post processor object
       * @param {object} postProcessor
       * @param {number} priority - guidelines 1 = before compression, 1000 = compression, 2000 = after compression
       */
      PluginManager.prototype.addPostProcessor = function (postProcessor, priority) {
          var indexToInsertAt;
          for (indexToInsertAt = 0; indexToInsertAt < this.postProcessors.length; indexToInsertAt++) {
              if (this.postProcessors[indexToInsertAt].priority >= priority) {
                  break;
              }
          }
          this.postProcessors.splice(indexToInsertAt, 0, { postProcessor: postProcessor, priority: priority });
      };
      /**
       *
       * @param manager
       */
      PluginManager.prototype.addFileManager = function (manager) {
          this.fileManagers.push(manager);
      };
      /**
       *
       * @returns {Array}
       * @private
       */
      PluginManager.prototype.getPreProcessors = function () {
          var preProcessors = [];
          for (var i = 0; i < this.preProcessors.length; i++) {
              preProcessors.push(this.preProcessors[i].preProcessor);
          }
          return preProcessors;
      };
      /**
       *
       * @returns {Array}
       * @private
       */
      PluginManager.prototype.getPostProcessors = function () {
          var postProcessors = [];
          for (var i = 0; i < this.postProcessors.length; i++) {
              postProcessors.push(this.postProcessors[i].postProcessor);
          }
          return postProcessors;
      };
      /**
       *
       * @returns {Array}
       * @private
       */
      PluginManager.prototype.getVisitors = function () {
          return this.visitors;
      };
      PluginManager.prototype.visitor = function () {
          var self = this;
          return {
              first: function () {
                  self.iterator = -1;
                  return self.visitors[self.iterator];
              },
              get: function () {
                  self.iterator += 1;
                  return self.visitors[self.iterator];
              }
          };
      };
      /**
       *
       * @returns {Array}
       * @private
       */
      PluginManager.prototype.getFileManagers = function () {
          return this.fileManagers;
      };
      return PluginManager;
  }());
  var pm;
  function PluginManagerFactory(less, newFactory) {
      if (newFactory || !pm) {
          pm = new PluginManager(less);
      }
      return pm;
  }

  var Parse = (function (environment, ParseTree, ImportManager) {
      var parse = function (input, options, callback) {
          if (typeof options === 'function') {
              callback = options;
              options = copyOptions(this.options, {});
          }
          else {
              options = copyOptions(this.options, options || {});
          }
          if (!callback) {
              var self_1 = this;
              return new Promise(function (resolve, reject) {
                  parse.call(self_1, input, options, function (err, output) {
                      if (err) {
                          reject(err);
                      }
                      else {
                          resolve(output);
                      }
                  });
              });
          }
          else {
              var context_1;
              var rootFileInfo = void 0;
              var pluginManager_1 = new PluginManagerFactory(this, !options.reUsePluginManager);
              options.pluginManager = pluginManager_1;
              context_1 = new contexts.Parse(options);
              if (options.rootFileInfo) {
                  rootFileInfo = options.rootFileInfo;
              }
              else {
                  var filename = options.filename || 'input';
                  var entryPath = filename.replace(/[^\/\\]*$/, '');
                  rootFileInfo = {
                      filename: filename,
                      rewriteUrls: context_1.rewriteUrls,
                      rootpath: context_1.rootpath || '',
                      currentDirectory: entryPath,
                      entryPath: entryPath,
                      rootFilename: filename
                  };
                  // add in a missing trailing slash
                  if (rootFileInfo.rootpath && rootFileInfo.rootpath.slice(-1) !== '/') {
                      rootFileInfo.rootpath += '/';
                  }
              }
              var imports_1 = new ImportManager(this, context_1, rootFileInfo);
              this.importManager = imports_1;
              // TODO: allow the plugins to be just a list of paths or names
              // Do an async plugin queue like lessc
              if (options.plugins) {
                  options.plugins.forEach(function (plugin) {
                      var evalResult;
                      var contents;
                      if (plugin.fileContent) {
                          contents = plugin.fileContent.replace(/^\uFEFF/, '');
                          evalResult = pluginManager_1.Loader.evalPlugin(contents, context_1, imports_1, plugin.options, plugin.filename);
                          if (evalResult instanceof LessError) {
                              return callback(evalResult);
                          }
                      }
                      else {
                          pluginManager_1.addPlugin(plugin);
                      }
                  });
              }
              new Parser(context_1, imports_1, rootFileInfo)
                  .parse(input, function (e, root) {
                  if (e) {
                      return callback(e);
                  }
                  callback(null, root, imports_1, options);
              }, options);
          }
      };
      return parse;
  });

  var lessRoot = (function (environment$1, fileManagers) {
      /**
       * @todo
       * This original code could be improved quite a bit.
       * Many classes / modules currently add side-effects / mutations to passed in objects,
       * which makes it hard to refactor and reason about.
       */
      environment$1 = new environment(environment$1, fileManagers);
      var SourceMapOutput = sourceMapOutput(environment$1);
      var SourceMapBuilder = sourceMapBuilder(SourceMapOutput, environment$1);
      var ParseTree = parseTree(SourceMapBuilder);
      var ImportManager = importManager(environment$1);
      var render = Render(environment$1, ParseTree);
      var parse = Parse(environment$1, ParseTree, ImportManager);
      var functions = Functions(environment$1);
      /**
       * @todo
       * This root properties / methods need to be organized.
       * It's not clear what should / must be public and why.
       */
      var initial = {
          version: [3, 13, 1],
          data: data,
          tree: tree,
          Environment: environment,
          AbstractFileManager: AbstractFileManager,
          AbstractPluginLoader: AbstractPluginLoader,
          environment: environment$1,
          visitors: visitors,
          Parser: Parser,
          functions: functions,
          contexts: contexts,
          SourceMapOutput: SourceMapOutput,
          SourceMapBuilder: SourceMapBuilder,
          ParseTree: ParseTree,
          ImportManager: ImportManager,
          render: render,
          parse: parse,
          LessError: LessError,
          transformTree: transformTree,
          utils: utils,
          PluginManager: PluginManagerFactory,
          logger: logger
      };
      // Create a public API
      var ctor = function (t) { return function () {
          var args = [];
          for (var _i = 0; _i < arguments.length; _i++) {
              args[_i] = arguments[_i];
          }
          return new (t.bind.apply(t, __spreadArrays([void 0], args)))();
      }; };
      var t;
      var api = Object.create(initial);
      for (var n in initial.tree) {
          /* eslint guard-for-in: 0 */
          t = initial.tree[n];
          if (typeof t === 'function') {
              api[n.toLowerCase()] = ctor(t);
          }
          else {
              api[n] = Object.create(null);
              for (var o in t) {
                  /* eslint guard-for-in: 0 */
                  api[n][o.toLowerCase()] = ctor(t[o]);
              }
          }
      }
      /**
       * Some of the functions assume a `this` context of the API object,
       * which causes it to fail when wrapped for ES6 imports.
       *
       * An assumed `this` should be removed in the future.
       */
      initial.parse = initial.parse.bind(api);
      initial.render = initial.render.bind(api);
      return api;
  });

  /* global window, XMLHttpRequest */
  var options;
  var logger$1;
  var fileCache = {};
  // TODOS - move log somewhere. pathDiff and doing something similar in node. use pathDiff in the other browser file for the initial load
  var FileManager = /** @class */ (function (_super) {
      __extends(FileManager, _super);
      function FileManager() {
          return _super !== null && _super.apply(this, arguments) || this;
      }
      FileManager.prototype.alwaysMakePathsAbsolute = function () {
          return true;
      };
      FileManager.prototype.join = function (basePath, laterPath) {
          if (!basePath) {
              return laterPath;
          }
          return this.extractUrlParts(laterPath, basePath).path;
      };
      FileManager.prototype.doXHR = function (url, type, callback, errback) {
          var xhr = new XMLHttpRequest();
          var async = options.isFileProtocol ? options.fileAsync : true;
          if (typeof xhr.overrideMimeType === 'function') {
              xhr.overrideMimeType('text/css');
          }
          logger$1.debug("XHR: Getting '" + url + "'");
          xhr.open('GET', url, async);
          xhr.setRequestHeader('Accept', type || 'text/x-less, text/css; q=0.9, */*; q=0.5');
          xhr.send(null);
          function handleResponse(xhr, callback, errback) {
              if (xhr.status >= 200 && xhr.status < 300) {
                  callback(xhr.responseText, xhr.getResponseHeader('Last-Modified'));
              }
              else if (typeof errback === 'function') {
                  errback(xhr.status, url);
              }
          }
          if (options.isFileProtocol && !options.fileAsync) {
              if (xhr.status === 0 || (xhr.status >= 200 && xhr.status < 300)) {
                  callback(xhr.responseText);
              }
              else {
                  errback(xhr.status, url);
              }
          }
          else if (async) {
              xhr.onreadystatechange = function () {
                  if (xhr.readyState == 4) {
                      handleResponse(xhr, callback, errback);
                  }
              };
          }
          else {
              handleResponse(xhr, callback, errback);
          }
      };
      FileManager.prototype.supports = function () {
          return true;
      };
      FileManager.prototype.clearFileCache = function () {
          fileCache = {};
      };
      FileManager.prototype.loadFile = function (filename, currentDirectory, options, environment) {
          // TODO: Add prefix support like less-node?
          // What about multiple paths?
          if (currentDirectory && !this.isPathAbsolute(filename)) {
              filename = currentDirectory + filename;
          }
          filename = options.ext ? this.tryAppendExtension(filename, options.ext) : filename;
          options = options || {};
          // sheet may be set to the stylesheet for the initial load or a collection of properties including
          // some context variables for imports
          var hrefParts = this.extractUrlParts(filename, window.location.href);
          var href = hrefParts.url;
          var self = this;
          return new Promise(function (resolve, reject) {
              if (options.useFileCache && fileCache[href]) {
                  try {
                      var lessText = fileCache[href];
                      return resolve({ contents: lessText, filename: href, webInfo: { lastModified: new Date() } });
                  }
                  catch (e) {
                      return reject({ filename: href, message: "Error loading file " + href + " error was " + e.message });
                  }
              }
              self.doXHR(href, options.mime, function doXHRCallback(data, lastModified) {
                  // per file cache
                  fileCache[href] = data;
                  // Use remote copy (re-parse)
                  resolve({ contents: data, filename: href, webInfo: { lastModified: lastModified } });
              }, function doXHRError(status, url) {
                  reject({ type: 'File', message: "'" + url + "' wasn't found (" + status + ")", href: href });
              });
          });
      };
      return FileManager;
  }(AbstractFileManager));
  var FM = (function (opts, log) {
      options = opts;
      logger$1 = log;
      return FileManager;
  });

  // TODO: Add tests for browser @plugin
  /**
   * Browser Plugin Loader
   */
  var PluginLoader = /** @class */ (function (_super) {
      __extends(PluginLoader, _super);
      function PluginLoader(less) {
          var _this = _super.call(this) || this;
          _this.less = less;
          return _this;
          // Should we shim this.require for browser? Probably not?
      }
      PluginLoader.prototype.loadPlugin = function (filename, basePath, context, environment, fileManager) {
          return new Promise(function (fulfill, reject) {
              fileManager.loadFile(filename, basePath, context, environment)
                  .then(fulfill).catch(reject);
          });
      };
      return PluginLoader;
  }(AbstractPluginLoader));

  var LogListener = (function (less, options) {
      var logLevel_debug = 4;
      var logLevel_info = 3;
      var logLevel_warn = 2;
      var logLevel_error = 1;
      // The amount of logging in the javascript console.
      // 3 - Debug, information and errors
      // 2 - Information and errors
      // 1 - Errors
      // 0 - None
      // Defaults to 2
      options.logLevel = typeof options.logLevel !== 'undefined' ? options.logLevel : (options.env === 'development' ? logLevel_info : logLevel_error);
      if (!options.loggers) {
          options.loggers = [{
                  debug: function (msg) {
                      if (options.logLevel >= logLevel_debug) {
                          console.log(msg);
                      }
                  },
                  info: function (msg) {
                      if (options.logLevel >= logLevel_info) {
                          console.log(msg);
                      }
                  },
                  warn: function (msg) {
                      if (options.logLevel >= logLevel_warn) {
                          console.warn(msg);
                      }
                  },
                  error: function (msg) {
                      if (options.logLevel >= logLevel_error) {
                          console.error(msg);
                      }
                  }
              }];
      }
      for (var i = 0; i < options.loggers.length; i++) {
          less.logger.addListener(options.loggers[i]);
      }
  });

  var ErrorReporting = (function (window, less, options) {
      function errorHTML(e, rootHref) {
          var id = "less-error-message:" + extractId(rootHref || '');
          var template = '<li><label>{line}</label><pre class="{class}">{content}</pre></li>';
          var elem = window.document.createElement('div');
          var timer;
          var content;
          var errors = [];
          var filename = e.filename || rootHref;
          var filenameNoPath = filename.match(/([^\/]+(\?.*)?)$/)[1];
          elem.id = id;
          elem.className = 'less-error-message';
          content = "<h3>" + (e.type || 'Syntax') + "Error: " + (e.message || 'There is an error in your .less file') +
              ("</h3><p>in <a href=\"" + filename + "\">" + filenameNoPath + "</a> ");
          var errorline = function (e, i, classname) {
              if (e.extract[i] !== undefined) {
                  errors.push(template.replace(/\{line\}/, (parseInt(e.line, 10) || 0) + (i - 1))
                      .replace(/\{class\}/, classname)
                      .replace(/\{content\}/, e.extract[i]));
              }
          };
          if (e.line) {
              errorline(e, 0, '');
              errorline(e, 1, 'line');
              errorline(e, 2, '');
              content += "on line " + e.line + ", column " + (e.column + 1) + ":</p><ul>" + errors.join('') + "</ul>";
          }
          if (e.stack && (e.extract || options.logLevel >= 4)) {
              content += "<br/>Stack Trace</br />" + e.stack.split('\n').slice(1).join('<br/>');
          }
          elem.innerHTML = content;
          // CSS for error messages
          browser.createCSS(window.document, [
              '.less-error-message ul, .less-error-message li {',
              'list-style-type: none;',
              'margin-right: 15px;',
              'padding: 4px 0;',
              'margin: 0;',
              '}',
              '.less-error-message label {',
              'font-size: 12px;',
              'margin-right: 15px;',
              'padding: 4px 0;',
              'color: #cc7777;',
              '}',
              '.less-error-message pre {',
              'color: #dd6666;',
              'padding: 4px 0;',
              'margin: 0;',
              'display: inline-block;',
              '}',
              '.less-error-message pre.line {',
              'color: #ff0000;',
              '}',
              '.less-error-message h3 {',
              'font-size: 20px;',
              'font-weight: bold;',
              'padding: 15px 0 5px 0;',
              'margin: 0;',
              '}',
              '.less-error-message a {',
              'color: #10a',
              '}',
              '.less-error-message .error {',
              'color: red;',
              'font-weight: bold;',
              'padding-bottom: 2px;',
              'border-bottom: 1px dashed red;',
              '}'
          ].join('\n'), { title: 'error-message' });
          elem.style.cssText = [
              'font-family: Arial, sans-serif',
              'border: 1px solid #e00',
              'background-color: #eee',
              'border-radius: 5px',
              '-webkit-border-radius: 5px',
              '-moz-border-radius: 5px',
              'color: #e00',
              'padding: 15px',
              'margin-bottom: 15px'
          ].join(';');
          if (options.env === 'development') {
              timer = setInterval(function () {
                  var document = window.document;
                  var body = document.body;
                  if (body) {
                      if (document.getElementById(id)) {
                          body.replaceChild(elem, document.getElementById(id));
                      }
                      else {
                          body.insertBefore(elem, body.firstChild);
                      }
                      clearInterval(timer);
                  }
              }, 10);
          }
      }
      function removeErrorHTML(path) {
          var node = window.document.getElementById("less-error-message:" + extractId(path));
          if (node) {
              node.parentNode.removeChild(node);
          }
      }
      function removeError(path) {
          if (!options.errorReporting || options.errorReporting === 'html') {
              removeErrorHTML(path);
          }
          else if (options.errorReporting === 'console') ;
          else if (typeof options.errorReporting === 'function') {
              options.errorReporting('remove', path);
          }
      }
      function errorConsole(e, rootHref) {
          var template = '{line} {content}';
          var filename = e.filename || rootHref;
          var errors = [];
          var content = (e.type || 'Syntax') + "Error: " + (e.message || 'There is an error in your .less file') + " in " + filename;
          var errorline = function (e, i, classname) {
              if (e.extract[i] !== undefined) {
                  errors.push(template.replace(/\{line\}/, (parseInt(e.line, 10) || 0) + (i - 1))
                      .replace(/\{class\}/, classname)
                      .replace(/\{content\}/, e.extract[i]));
              }
          };
          if (e.line) {
              errorline(e, 0, '');
              errorline(e, 1, 'line');
              errorline(e, 2, '');
              content += " on line " + e.line + ", column " + (e.column + 1) + ":\n" + errors.join('\n');
          }
          if (e.stack && (e.extract || options.logLevel >= 4)) {
              content += "\nStack Trace\n" + e.stack;
          }
          less.logger.error(content);
      }
      function error(e, rootHref) {
          if (!options.errorReporting || options.errorReporting === 'html') {
              errorHTML(e, rootHref);
          }
          else if (options.errorReporting === 'console') {
              errorConsole(e, rootHref);
          }
          else if (typeof options.errorReporting === 'function') {
              options.errorReporting('add', e, rootHref);
          }
      }
      return {
          add: error,
          remove: removeError
      };
  });

  // Cache system is a bit outdated and could do with work
  var Cache = (function (window, options, logger) {
      var cache = null;
      if (options.env !== 'development') {
          try {
              cache = (typeof window.localStorage === 'undefined') ? null : window.localStorage;
          }
          catch (_) { }
      }
      return {
          setCSS: function (path, lastModified, modifyVars, styles) {
              if (cache) {
                  logger.info("saving " + path + " to cache.");
                  try {
                      cache.setItem(path, styles);
                      cache.setItem(path + ":timestamp", lastModified);
                      if (modifyVars) {
                          cache.setItem(path + ":vars", JSON.stringify(modifyVars));
                      }
                  }
                  catch (e) {
                      // TODO - could do with adding more robust error handling
                      logger.error("failed to save \"" + path + "\" to local storage for caching.");
                  }
              }
          },
          getCSS: function (path, webInfo, modifyVars) {
              var css = cache && cache.getItem(path);
              var timestamp = cache && cache.getItem(path + ":timestamp");
              var vars = cache && cache.getItem(path + ":vars");
              modifyVars = modifyVars || {};
              vars = vars || "{}"; // if not set, treat as the JSON representation of an empty object
              if (timestamp && webInfo.lastModified &&
                  (new Date(webInfo.lastModified).valueOf() ===
                      new Date(timestamp).valueOf()) &&
                  JSON.stringify(modifyVars) === vars) {
                  // Use local copy
                  return css;
              }
          }
      };
  });

  var ImageSize = (function () {
      function imageSize() {
          throw {
              type: 'Runtime',
              message: 'Image size functions are not supported in browser version of less'
          };
      }
      var imageFunctions = {
          'image-size': function (filePathNode) {
              imageSize();
              return -1;
          },
          'image-width': function (filePathNode) {
              imageSize();
              return -1;
          },
          'image-height': function (filePathNode) {
              imageSize();
              return -1;
          }
      };
      functionRegistry.addMultiple(imageFunctions);
  });

  //
  var root = (function (window, options) {
      var document = window.document;
      var less = lessRoot();
      less.options = options;
      var environment = less.environment;
      var FileManager = FM(options, less.logger);
      var fileManager = new FileManager();
      environment.addFileManager(fileManager);
      less.FileManager = FileManager;
      less.PluginLoader = PluginLoader;
      LogListener(less, options);
      var errors = ErrorReporting(window, less, options);
      var cache = less.cache = options.cache || Cache(window, options, less.logger);
      ImageSize(less.environment);
      // Setup user functions - Deprecate?
      if (options.functions) {
          less.functions.functionRegistry.addMultiple(options.functions);
      }
      var typePattern = /^text\/(x-)?less$/;
      function clone(obj) {
          var cloned = {};
          for (var prop in obj) {
              if (obj.hasOwnProperty(prop)) {
                  cloned[prop] = obj[prop];
              }
          }
          return cloned;
      }
      // only really needed for phantom
      function bind(func, thisArg) {
          var curryArgs = Array.prototype.slice.call(arguments, 2);
          return function () {
              var args = curryArgs.concat(Array.prototype.slice.call(arguments, 0));
              return func.apply(thisArg, args);
          };
      }
      function loadStyles(modifyVars) {
          var styles = document.getElementsByTagName('style');
          var style;
          for (var i = 0; i < styles.length; i++) {
              style = styles[i];
              if (style.type.match(typePattern)) {
                  var instanceOptions = clone(options);
                  instanceOptions.modifyVars = modifyVars;
                  var lessText = style.innerHTML || '';
                  instanceOptions.filename = document.location.href.replace(/#.*$/, '');
                  /* jshint loopfunc:true */
                  // use closure to store current style
                  less.render(lessText, instanceOptions, bind(function (style, e, result) {
                      if (e) {
                          errors.add(e, 'inline');
                      }
                      else {
                          style.type = 'text/css';
                          if (style.styleSheet) {
                              style.styleSheet.cssText = result.css;
                          }
                          else {
                              style.innerHTML = result.css;
                          }
                      }
                  }, null, style));
              }
          }
      }
      function loadStyleSheet(sheet, callback, reload, remaining, modifyVars) {
          var instanceOptions = clone(options);
          addDataAttr(instanceOptions, sheet);
          instanceOptions.mime = sheet.type;
          if (modifyVars) {
              instanceOptions.modifyVars = modifyVars;
          }
          function loadInitialFileCallback(loadedFile) {
              var data = loadedFile.contents;
              var path = loadedFile.filename;
              var webInfo = loadedFile.webInfo;
              var newFileInfo = {
                  currentDirectory: fileManager.getPath(path),
                  filename: path,
                  rootFilename: path,
                  rewriteUrls: instanceOptions.rewriteUrls
              };
              newFileInfo.entryPath = newFileInfo.currentDirectory;
              newFileInfo.rootpath = instanceOptions.rootpath || newFileInfo.currentDirectory;
              if (webInfo) {
                  webInfo.remaining = remaining;
                  var css = cache.getCSS(path, webInfo, instanceOptions.modifyVars);
                  if (!reload && css) {
                      webInfo.local = true;
                      callback(null, css, data, sheet, webInfo, path);
                      return;
                  }
              }
              // TODO add tests around how this behaves when reloading
              errors.remove(path);
              instanceOptions.rootFileInfo = newFileInfo;
              less.render(data, instanceOptions, function (e, result) {
                  if (e) {
                      e.href = path;
                      callback(e);
                  }
                  else {
                      cache.setCSS(sheet.href, webInfo.lastModified, instanceOptions.modifyVars, result.css);
                      callback(null, result.css, data, sheet, webInfo, path);
                  }
              });
          }
          fileManager.loadFile(sheet.href, null, instanceOptions, environment)
              .then(function (loadedFile) {
              loadInitialFileCallback(loadedFile);
          }).catch(function (err) {
              console.log(err);
              callback(err);
          });
      }
      function loadStyleSheets(callback, reload, modifyVars) {
          for (var i = 0; i < less.sheets.length; i++) {
              loadStyleSheet(less.sheets[i], callback, reload, less.sheets.length - (i + 1), modifyVars);
          }
      }
      function initRunningMode() {
          if (less.env === 'development') {
              less.watchTimer = setInterval(function () {
                  if (less.watchMode) {
                      fileManager.clearFileCache();
                      loadStyleSheets(function (e, css, _, sheet, webInfo) {
                          if (e) {
                              errors.add(e, e.href || sheet.href);
                          }
                          else if (css) {
                              browser.createCSS(window.document, css, sheet);
                          }
                      });
                  }
              }, options.poll);
          }
      }
      //
      // Watch mode
      //
      less.watch = function () {
          if (!less.watchMode) {
              less.env = 'development';
              initRunningMode();
          }
          this.watchMode = true;
          return true;
      };
      less.unwatch = function () { clearInterval(less.watchTimer); this.watchMode = false; return false; };
      //
      // Synchronously get all <link> tags with the 'rel' attribute set to
      // "stylesheet/less".
      //
      less.registerStylesheetsImmediately = function () {
          var links = document.getElementsByTagName('link');
          less.sheets = [];
          for (var i = 0; i < links.length; i++) {
              if (links[i].rel === 'stylesheet/less' || (links[i].rel.match(/stylesheet/) &&
                  (links[i].type.match(typePattern)))) {
                  less.sheets.push(links[i]);
              }
          }
      };
      //
      // Asynchronously get all <link> tags with the 'rel' attribute set to
      // "stylesheet/less", returning a Promise.
      //
      less.registerStylesheets = function () { return new Promise(function (resolve, reject) {
          less.registerStylesheetsImmediately();
          resolve();
      }); };
      //
      // With this function, it's possible to alter variables and re-render
      // CSS without reloading less-files
      //
      less.modifyVars = function (record) { return less.refresh(true, record, false); };
      less.refresh = function (reload, modifyVars, clearFileCache) {
          if ((reload || clearFileCache) && clearFileCache !== false) {
              fileManager.clearFileCache();
          }
          return new Promise(function (resolve, reject) {
              var startTime;
              var endTime;
              var totalMilliseconds;
              var remainingSheets;
              startTime = endTime = new Date();
              // Set counter for remaining unprocessed sheets
              remainingSheets = less.sheets.length;
              if (remainingSheets === 0) {
                  endTime = new Date();
                  totalMilliseconds = endTime - startTime;
                  less.logger.info('Less has finished and no sheets were loaded.');
                  resolve({
                      startTime: startTime,
                      endTime: endTime,
                      totalMilliseconds: totalMilliseconds,
                      sheets: less.sheets.length
                  });
              }
              else {
                  // Relies on less.sheets array, callback seems to be guaranteed to be called for every element of the array
                  loadStyleSheets(function (e, css, _, sheet, webInfo) {
                      if (e) {
                          errors.add(e, e.href || sheet.href);
                          reject(e);
                          return;
                      }
                      if (webInfo.local) {
                          less.logger.info("Loading " + sheet.href + " from cache.");
                      }
                      else {
                          less.logger.info("Rendered " + sheet.href + " successfully.");
                      }
                      browser.createCSS(window.document, css, sheet);
                      less.logger.info("CSS for " + sheet.href + " generated in " + (new Date() - endTime) + "ms");
                      // Count completed sheet
                      remainingSheets--;
                      // Check if the last remaining sheet was processed and then call the promise
                      if (remainingSheets === 0) {
                          totalMilliseconds = new Date() - startTime;
                          less.logger.info("Less has finished. CSS generated in " + totalMilliseconds + "ms");
                          resolve({
                              startTime: startTime,
                              endTime: endTime,
                              totalMilliseconds: totalMilliseconds,
                              sheets: less.sheets.length
                          });
                      }
                      endTime = new Date();
                  }, reload, modifyVars);
              }
              loadStyles(modifyVars);
          });
      };
      less.refreshStyles = loadStyles;
      return less;
  });

  /**
   * Kicks off less and compiles any stylesheets
   * used in the browser distributed version of less
   * to kick-start less using the browser api
   */
  var options$1 = defaultOptions();
  if (window.less) {
      for (var key in window.less) {
          if (window.less.hasOwnProperty(key)) {
              options$1[key] = window.less[key];
          }
      }
  }
  addDefaultOptions(window, options$1);
  options$1.plugins = options$1.plugins || [];
  if (window.LESS_PLUGINS) {
      options$1.plugins = options$1.plugins.concat(window.LESS_PLUGINS);
  }
  var less = root(window, options$1);
  window.less = less;
  var css;
  var head;
  var style;
  // Always restore page visibility
  function resolveOrReject(data) {
      if (data.filename) {
          console.warn(data);
      }
      if (!options$1.async) {
          head.removeChild(style);
      }
  }
  if (options$1.onReady) {
      if (/!watch/.test(window.location.hash)) {
          less.watch();
      }
      // Simulate synchronous stylesheet loading by hiding page rendering
      if (!options$1.async) {
          css = 'body { display: none !important }';
          head = document.head || document.getElementsByTagName('head')[0];
          style = document.createElement('style');
          style.type = 'text/css';
          if (style.styleSheet) {
              style.styleSheet.cssText = css;
          }
          else {
              style.appendChild(document.createTextNode(css));
          }
          head.appendChild(style);
      }
      less.registerStylesheetsImmediately();
      less.pageLoadFinished = less.refresh(less.env === 'development').then(resolveOrReject, resolveOrReject);
  }

  return less;

})));


/***/ }),
/* 96 */
/***/ (function(module, exports, __webpack_require__) {

var csstree = __webpack_require__(1);
var parse = csstree.parse;
var compress = __webpack_require__(192);
var generate = csstree.generate;

function debugOutput(name, options, startTime, data) {
    if (options.debug) {
        console.error('## ' + name + ' done in %d ms\n', Date.now() - startTime);
    }

    return data;
}

function createDefaultLogger(level) {
    var lastDebug;

    return function logger(title, ast) {
        var line = title;

        if (ast) {
            line = '[' + ((Date.now() - lastDebug) / 1000).toFixed(3) + 's] ' + line;
        }

        if (level > 1 && ast) {
            var css = generate(ast);

            // when level 2, limit css to 256 symbols
            if (level === 2 && css.length > 256) {
                css = css.substr(0, 256) + '...';
            }

            line += '\n  ' + css + '\n';
        }

        console.error(line);
        lastDebug = Date.now();
    };
}

function copy(obj) {
    var result = {};

    for (var key in obj) {
        result[key] = obj[key];
    }

    return result;
}

function buildCompressOptions(options) {
    options = copy(options);

    if (typeof options.logger !== 'function' && options.debug) {
        options.logger = createDefaultLogger(options.debug);
    }

    return options;
}

function runHandler(ast, options, handlers) {
    if (!Array.isArray(handlers)) {
        handlers = [handlers];
    }

    handlers.forEach(function(fn) {
        fn(ast, options);
    });
}

function minify(context, source, options) {
    options = options || {};

    var filename = options.filename || '<unknown>';
    var result;

    // parse
    var ast = debugOutput('parsing', options, Date.now(),
        parse(source, {
            context: context,
            filename: filename,
            positions: Boolean(options.sourceMap)
        })
    );

    // before compress handlers
    if (options.beforeCompress) {
        debugOutput('beforeCompress', options, Date.now(),
            runHandler(ast, options, options.beforeCompress)
        );
    }

    // compress
    var compressResult = debugOutput('compress', options, Date.now(),
        compress(ast, buildCompressOptions(options))
    );

    // after compress handlers
    if (options.afterCompress) {
        debugOutput('afterCompress', options, Date.now(),
            runHandler(compressResult, options, options.afterCompress)
        );
    }

    // generate
    if (options.sourceMap) {
        result = debugOutput('generate(sourceMap: true)', options, Date.now(), (function() {
            var tmp = generate(compressResult.ast, { sourceMap: true });
            tmp.map._file = filename; // since other tools can relay on file in source map transform chain
            tmp.map.setSourceContent(filename, source);
            return tmp;
        })());
    } else {
        result = debugOutput('generate', options, Date.now(), {
            css: generate(compressResult.ast),
            map: null
        });
    }

    return result;
}

function minifyStylesheet(source, options) {
    return minify('stylesheet', source, options);
}

function minifyBlock(source, options) {
    return minify('declarationList', source, options);
}

module.exports = {
    version: __webpack_require__(226).version,

    // main methods
    minify: minifyStylesheet,
    minifyBlock: minifyBlock,

    // compress an AST
    compress: compress,

    // css syntax parser/walkers/generator/etc
    syntax: csstree
};


/***/ }),
/* 97 */
/***/ (function(module, exports, __webpack_require__) {

function merge() {
    var dest = {};

    for (var i = 0; i < arguments.length; i++) {
        var src = arguments[i];
        for (var key in src) {
            dest[key] = src[key];
        }
    }

    return dest;
}

module.exports = __webpack_require__(98).create(
    merge(
        __webpack_require__(125),
        __webpack_require__(167),
        __webpack_require__(191)
    )
);


/***/ }),
/* 98 */
/***/ (function(module, exports, __webpack_require__) {

var List = __webpack_require__(7);
var Tokenizer = __webpack_require__(0);
var Lexer = __webpack_require__(101);
var grammar = __webpack_require__(109);
var createParser = __webpack_require__(110);
var createGenerator = __webpack_require__(112);
var createConvertor = __webpack_require__(121);
var createWalker = __webpack_require__(122);
var clone = __webpack_require__(123);
var names = __webpack_require__(26);
var mix = __webpack_require__(124);

function assign(dest, src) {
    for (var key in src) {
        dest[key] = src[key];
    }

    return dest;
}

function createSyntax(config) {
    var parse = createParser(config);
    var walk = createWalker(config);
    var generate = createGenerator(config);
    var convert = createConvertor(walk);

    var syntax = {
        List: List,
        Tokenizer: Tokenizer,
        Lexer: Lexer,

        vendorPrefix: names.vendorPrefix,
        keyword: names.keyword,
        property: names.property,
        isCustomProperty: names.isCustomProperty,

        grammar: grammar,
        lexer: null,
        createLexer: function(config) {
            return new Lexer(config, syntax, syntax.lexer.structure);
        },

        parse: parse,
        walk: walk,
        generate: generate,

        clone: clone,
        fromPlainObject: convert.fromPlainObject,
        toPlainObject: convert.toPlainObject,

        createSyntax: function(config) {
            return createSyntax(mix({}, config));
        },
        fork: function(extension) {
            var base = mix({}, config); // copy of config
            return createSyntax(
                typeof extension === 'function'
                    ? extension(base, assign)
                    : mix(base, extension)
            );
        }
    };

    syntax.lexer = new Lexer({
        generic: true,
        types: config.types,
        properties: config.properties,
        node: config.node
    }, syntax);

    return syntax;
};

exports.create = function(config) {
    return createSyntax(mix({}, config));
};


/***/ }),
/* 99 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var CssSyntaxError = __webpack_require__(100);

var constants = __webpack_require__(24);
var TYPE = constants.TYPE;
var NAME = constants.NAME;
var SYMBOL_TYPE = constants.SYMBOL_TYPE;

var utils = __webpack_require__(45);
var firstCharOffset = utils.firstCharOffset;
var cmpStr = utils.cmpStr;
var isNumber = utils.isNumber;
var findWhiteSpaceStart = utils.findWhiteSpaceStart;
var findWhiteSpaceEnd = utils.findWhiteSpaceEnd;
var findCommentEnd = utils.findCommentEnd;
var findStringEnd = utils.findStringEnd;
var findNumberEnd = utils.findNumberEnd;
var findIdentifierEnd = utils.findIdentifierEnd;
var findUrlRawEnd = utils.findUrlRawEnd;

var NULL = 0;
var WHITESPACE = TYPE.WhiteSpace;
var IDENTIFIER = TYPE.Identifier;
var NUMBER = TYPE.Number;
var STRING = TYPE.String;
var COMMENT = TYPE.Comment;
var PUNCTUATOR = TYPE.Punctuator;
var CDO = TYPE.CDO;
var CDC = TYPE.CDC;
var ATKEYWORD = TYPE.AtKeyword;
var FUNCTION = TYPE.Function;
var URL = TYPE.Url;
var RAW = TYPE.Raw;

var N = 10;
var F = 12;
var R = 13;
var STAR = TYPE.Asterisk;
var SLASH = TYPE.Solidus;
var FULLSTOP = TYPE.FullStop;
var PLUSSIGN = TYPE.PlusSign;
var HYPHENMINUS = TYPE.HyphenMinus;
var GREATERTHANSIGN = TYPE.GreaterThanSign;
var LESSTHANSIGN = TYPE.LessThanSign;
var EXCLAMATIONMARK = TYPE.ExclamationMark;
var COMMERCIALAT = TYPE.CommercialAt;
var QUOTATIONMARK = TYPE.QuotationMark;
var APOSTROPHE = TYPE.Apostrophe;
var LEFTPARENTHESIS = TYPE.LeftParenthesis;
var RIGHTPARENTHESIS = TYPE.RightParenthesis;
var LEFTCURLYBRACKET = TYPE.LeftCurlyBracket;
var RIGHTCURLYBRACKET = TYPE.RightCurlyBracket;
var LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;
var RIGHTSQUAREBRACKET = TYPE.RightSquareBracket;

var MIN_BUFFER_SIZE = 16 * 1024;
var OFFSET_MASK = 0x00FFFFFF;
var TYPE_SHIFT = 24;
var SafeUint32Array = typeof Uint32Array !== 'undefined' ? Uint32Array : Array; // fallback on Array when TypedArray is not supported

function computeLinesAndColumns(tokenizer, source) {
    var sourceLength = source.length;
    var start = firstCharOffset(source);
    var lines = tokenizer.lines;
    var line = tokenizer.startLine;
    var columns = tokenizer.columns;
    var column = tokenizer.startColumn;

    if (lines === null || lines.length < sourceLength + 1) {
        lines = new SafeUint32Array(Math.max(sourceLength + 1024, MIN_BUFFER_SIZE));
        columns = new SafeUint32Array(lines.length);
    }

    for (var i = start; i < sourceLength; i++) {
        var code = source.charCodeAt(i);

        lines[i] = line;
        columns[i] = column++;

        if (code === N || code === R || code === F) {
            if (code === R && i + 1 < sourceLength && source.charCodeAt(i + 1) === N) {
                i++;
                lines[i] = line;
                columns[i] = column;
            }

            line++;
            column = 1;
        }
    }

    lines[i] = line;
    columns[i] = column;

    tokenizer.linesAnsColumnsComputed = true;
    tokenizer.lines = lines;
    tokenizer.columns = columns;
}

function tokenLayout(tokenizer, source, startPos) {
    var sourceLength = source.length;
    var offsetAndType = tokenizer.offsetAndType;
    var balance = tokenizer.balance;
    var tokenCount = 0;
    var prevType = 0;
    var offset = startPos;
    var anchor = 0;
    var balanceCloseCode = 0;
    var balanceStart = 0;
    var balancePrev = 0;

    if (offsetAndType === null || offsetAndType.length < sourceLength + 1) {
        offsetAndType = new SafeUint32Array(sourceLength + 1024);
        balance = new SafeUint32Array(sourceLength + 1024);
    }

    while (offset < sourceLength) {
        var code = source.charCodeAt(offset);
        var type = code < 0x80 ? SYMBOL_TYPE[code] : IDENTIFIER;

        balance[tokenCount] = sourceLength;

        switch (type) {
            case WHITESPACE:
                offset = findWhiteSpaceEnd(source, offset + 1);
                break;

            case PUNCTUATOR:
                switch (code) {
                    case balanceCloseCode:
                        balancePrev = balanceStart & OFFSET_MASK;
                        balanceStart = balance[balancePrev];
                        balanceCloseCode = balanceStart >> TYPE_SHIFT;
                        balance[tokenCount] = balancePrev;
                        balance[balancePrev++] = tokenCount;
                        for (; balancePrev < tokenCount; balancePrev++) {
                            if (balance[balancePrev] === sourceLength) {
                                balance[balancePrev] = tokenCount;
                            }
                        }
                        break;

                    case LEFTSQUAREBRACKET:
                        balance[tokenCount] = balanceStart;
                        balanceCloseCode = RIGHTSQUAREBRACKET;
                        balanceStart = (balanceCloseCode << TYPE_SHIFT) | tokenCount;
                        break;

                    case LEFTCURLYBRACKET:
                        balance[tokenCount] = balanceStart;
                        balanceCloseCode = RIGHTCURLYBRACKET;
                        balanceStart = (balanceCloseCode << TYPE_SHIFT) | tokenCount;
                        break;

                    case LEFTPARENTHESIS:
                        balance[tokenCount] = balanceStart;
                        balanceCloseCode = RIGHTPARENTHESIS;
                        balanceStart = (balanceCloseCode << TYPE_SHIFT) | tokenCount;
                        break;
                }

                // /*
                if (code === STAR && prevType === SLASH) {
                    type = COMMENT;
                    offset = findCommentEnd(source, offset + 1);
                    tokenCount--; // rewrite prev token
                    break;
                }

                // edge case for -.123 and +.123
                if (code === FULLSTOP && (prevType === PLUSSIGN || prevType === HYPHENMINUS)) {
                    if (offset + 1 < sourceLength && isNumber(source.charCodeAt(offset + 1))) {
                        type = NUMBER;
                        offset = findNumberEnd(source, offset + 2, false);
                        tokenCount--; // rewrite prev token
                        break;
                    }
                }

                // <!--
                if (code === EXCLAMATIONMARK && prevType === LESSTHANSIGN) {
                    if (offset + 2 < sourceLength &&
                        source.charCodeAt(offset + 1) === HYPHENMINUS &&
                        source.charCodeAt(offset + 2) === HYPHENMINUS) {
                        type = CDO;
                        offset = offset + 3;
                        tokenCount--; // rewrite prev token
                        break;
                    }
                }

                // -->
                if (code === HYPHENMINUS && prevType === HYPHENMINUS) {
                    if (offset + 1 < sourceLength && source.charCodeAt(offset + 1) === GREATERTHANSIGN) {
                        type = CDC;
                        offset = offset + 2;
                        tokenCount--; // rewrite prev token
                        break;
                    }
                }

                // ident(
                if (code === LEFTPARENTHESIS && prevType === IDENTIFIER) {
                    offset = offset + 1;
                    tokenCount--; // rewrite prev token
                    balance[tokenCount] = balance[tokenCount + 1];
                    balanceStart--;

                    // 4 char length identifier and equal to `url(` (case insensitive)
                    if (offset - anchor === 4 && cmpStr(source, anchor, offset, 'url(')) {
                        // special case for url() because it can contain any symbols sequence with few exceptions
                        anchor = findWhiteSpaceEnd(source, offset);
                        code = source.charCodeAt(anchor);
                        if (code !== LEFTPARENTHESIS &&
                            code !== RIGHTPARENTHESIS &&
                            code !== QUOTATIONMARK &&
                            code !== APOSTROPHE) {
                            // url(
                            offsetAndType[tokenCount++] = (URL << TYPE_SHIFT) | offset;
                            balance[tokenCount] = sourceLength;

                            // ws*
                            if (anchor !== offset) {
                                offsetAndType[tokenCount++] = (WHITESPACE << TYPE_SHIFT) | anchor;
                                balance[tokenCount] = sourceLength;
                            }

                            // raw
                            type = RAW;
                            offset = findUrlRawEnd(source, anchor);
                        } else {
                            type = URL;
                        }
                    } else {
                        type = FUNCTION;
                    }
                    break;
                }

                type = code;
                offset = offset + 1;
                break;

            case NUMBER:
                offset = findNumberEnd(source, offset + 1, prevType !== FULLSTOP);

                // merge number with a preceding dot, dash or plus
                if (prevType === FULLSTOP ||
                    prevType === HYPHENMINUS ||
                    prevType === PLUSSIGN) {
                    tokenCount--; // rewrite prev token
                }

                break;

            case STRING:
                offset = findStringEnd(source, offset + 1, code);
                break;

            default:
                anchor = offset;
                offset = findIdentifierEnd(source, offset);

                // merge identifier with a preceding dash
                if (prevType === HYPHENMINUS) {
                    // rewrite prev token
                    tokenCount--;
                    // restore prev prev token type
                    // for case @-prefix-ident
                    prevType = tokenCount === 0 ? 0 : offsetAndType[tokenCount - 1] >> TYPE_SHIFT;
                }

                if (prevType === COMMERCIALAT) {
                    // rewrite prev token and change type to <at-keyword-token>
                    tokenCount--;
                    type = ATKEYWORD;
                }
        }

        offsetAndType[tokenCount++] = (type << TYPE_SHIFT) | offset;
        prevType = type;
    }

    // finalize arrays
    offsetAndType[tokenCount] = offset;
    balance[tokenCount] = sourceLength;
    balance[sourceLength] = sourceLength; // prevents false positive balance match with any token
    while (balanceStart !== 0) {
        balancePrev = balanceStart & OFFSET_MASK;
        balanceStart = balance[balancePrev];
        balance[balancePrev] = sourceLength;
    }

    tokenizer.offsetAndType = offsetAndType;
    tokenizer.tokenCount = tokenCount;
    tokenizer.balance = balance;
}

//
// tokenizer
//

var Tokenizer = function(source, startOffset, startLine, startColumn) {
    this.offsetAndType = null;
    this.balance = null;
    this.lines = null;
    this.columns = null;

    this.setSource(source, startOffset, startLine, startColumn);
};

Tokenizer.prototype = {
    setSource: function(source, startOffset, startLine, startColumn) {
        var safeSource = String(source || '');
        var start = firstCharOffset(safeSource);

        this.source = safeSource;
        this.firstCharOffset = start;
        this.startOffset = typeof startOffset === 'undefined' ? 0 : startOffset;
        this.startLine = typeof startLine === 'undefined' ? 1 : startLine;
        this.startColumn = typeof startColumn === 'undefined' ? 1 : startColumn;
        this.linesAnsColumnsComputed = false;

        this.eof = false;
        this.currentToken = -1;
        this.tokenType = 0;
        this.tokenStart = start;
        this.tokenEnd = start;

        tokenLayout(this, safeSource, start);
        this.next();
    },

    lookupType: function(offset) {
        offset += this.currentToken;

        if (offset < this.tokenCount) {
            return this.offsetAndType[offset] >> TYPE_SHIFT;
        }

        return NULL;
    },
    lookupNonWSType: function(offset) {
        offset += this.currentToken;

        for (var type; offset < this.tokenCount; offset++) {
            type = this.offsetAndType[offset] >> TYPE_SHIFT;

            if (type !== WHITESPACE) {
                return type;
            }
        }

        return NULL;
    },
    lookupValue: function(offset, referenceStr) {
        offset += this.currentToken;

        if (offset < this.tokenCount) {
            return cmpStr(
                this.source,
                this.offsetAndType[offset - 1] & OFFSET_MASK,
                this.offsetAndType[offset] & OFFSET_MASK,
                referenceStr
            );
        }

        return false;
    },
    getTokenStart: function(tokenNum) {
        if (tokenNum === this.currentToken) {
            return this.tokenStart;
        }

        if (tokenNum > 0) {
            return tokenNum < this.tokenCount
                ? this.offsetAndType[tokenNum - 1] & OFFSET_MASK
                : this.offsetAndType[this.tokenCount] & OFFSET_MASK;
        }

        return this.firstCharOffset;
    },
    getOffsetExcludeWS: function() {
        if (this.currentToken > 0) {
            if ((this.offsetAndType[this.currentToken - 1] >> TYPE_SHIFT) === WHITESPACE) {
                return this.currentToken > 1
                    ? this.offsetAndType[this.currentToken - 2] & OFFSET_MASK
                    : this.firstCharOffset;
            }
        }
        return this.tokenStart;
    },
    getRawLength: function(startToken, endTokenType1, endTokenType2, includeTokenType2) {
        var cursor = startToken;
        var balanceEnd;

        loop:
        for (; cursor < this.tokenCount; cursor++) {
            balanceEnd = this.balance[cursor];

            // belance end points to offset before start
            if (balanceEnd < startToken) {
                break loop;
            }

            // check token is stop type
            switch (this.offsetAndType[cursor] >> TYPE_SHIFT) {
                case endTokenType1:
                    break loop;

                case endTokenType2:
                    if (includeTokenType2) {
                        cursor++;
                    }
                    break loop;

                default:
                    // fast forward to the end of balanced block
                    if (this.balance[balanceEnd] === cursor) {
                        cursor = balanceEnd;
                    }
            }

        }

        return cursor - this.currentToken;
    },
    isBalanceEdge: function(pos) {
        var balanceStart = this.balance[this.currentToken];
        return balanceStart < pos;
    },

    getTokenValue: function() {
        return this.source.substring(this.tokenStart, this.tokenEnd);
    },
    substrToCursor: function(start) {
        return this.source.substring(start, this.tokenStart);
    },

    skipWS: function() {
        for (var i = this.currentToken, skipTokenCount = 0; i < this.tokenCount; i++, skipTokenCount++) {
            if ((this.offsetAndType[i] >> TYPE_SHIFT) !== WHITESPACE) {
                break;
            }
        }

        if (skipTokenCount > 0) {
            this.skip(skipTokenCount);
        }
    },
    skipSC: function() {
        while (this.tokenType === WHITESPACE || this.tokenType === COMMENT) {
            this.next();
        }
    },
    skip: function(tokenCount) {
        var next = this.currentToken + tokenCount;

        if (next < this.tokenCount) {
            this.currentToken = next;
            this.tokenStart = this.offsetAndType[next - 1] & OFFSET_MASK;
            next = this.offsetAndType[next];
            this.tokenType = next >> TYPE_SHIFT;
            this.tokenEnd = next & OFFSET_MASK;
        } else {
            this.currentToken = this.tokenCount;
            this.next();
        }
    },
    next: function() {
        var next = this.currentToken + 1;

        if (next < this.tokenCount) {
            this.currentToken = next;
            this.tokenStart = this.tokenEnd;
            next = this.offsetAndType[next];
            this.tokenType = next >> TYPE_SHIFT;
            this.tokenEnd = next & OFFSET_MASK;
        } else {
            this.currentToken = this.tokenCount;
            this.eof = true;
            this.tokenType = NULL;
            this.tokenStart = this.tokenEnd = this.source.length;
        }
    },

    eat: function(tokenType) {
        if (this.tokenType !== tokenType) {
            var offset = this.tokenStart;
            var message = NAME[tokenType] + ' is expected';

            // tweak message and offset
            if (tokenType === IDENTIFIER) {
                // when identifier is expected but there is a function or url
                if (this.tokenType === FUNCTION || this.tokenType === URL) {
                    offset = this.tokenEnd - 1;
                    message += ' but function found';
                }
            } else {
                // when test type is part of another token show error for current position + 1
                // e.g. eat(HYPHENMINUS) will fail on "-foo", but pointing on "-" is odd
                if (this.source.charCodeAt(this.tokenStart) === tokenType) {
                    offset = offset + 1;
                }
            }

            this.error(message, offset);
        }

        this.next();
    },
    eatNonWS: function(tokenType) {
        this.skipWS();
        this.eat(tokenType);
    },

    consume: function(tokenType) {
        var value = this.getTokenValue();

        this.eat(tokenType);

        return value;
    },
    consumeFunctionName: function() {
        var name = this.source.substring(this.tokenStart, this.tokenEnd - 1);

        this.eat(FUNCTION);

        return name;
    },
    consumeNonWS: function(tokenType) {
        this.skipWS();

        return this.consume(tokenType);
    },

    expectIdentifier: function(name) {
        if (this.tokenType !== IDENTIFIER || cmpStr(this.source, this.tokenStart, this.tokenEnd, name) === false) {
            this.error('Identifier `' + name + '` is expected');
        }

        this.next();
    },

    getLocation: function(offset, filename) {
        if (!this.linesAnsColumnsComputed) {
            computeLinesAndColumns(this, this.source);
        }

        return {
            source: filename,
            offset: this.startOffset + offset,
            line: this.lines[offset],
            column: this.columns[offset]
        };
    },

    getLocationRange: function(start, end, filename) {
        if (!this.linesAnsColumnsComputed) {
            computeLinesAndColumns(this, this.source);
        }

        return {
            source: filename,
            start: {
                offset: this.startOffset + start,
                line: this.lines[start],
                column: this.columns[start]
            },
            end: {
                offset: this.startOffset + end,
                line: this.lines[end],
                column: this.columns[end]
            }
        };
    },

    error: function(message, offset) {
        var location = typeof offset !== 'undefined' && offset < this.source.length
            ? this.getLocation(offset)
            : this.eof
                ? this.getLocation(findWhiteSpaceStart(this.source, this.source.length - 1))
                : this.getLocation(this.tokenStart);

        throw new CssSyntaxError(
            message || 'Unexpected input',
            this.source,
            location.offset,
            location.line,
            location.column
        );
    },

    dump: function() {
        var offset = 0;

        return Array.prototype.slice.call(this.offsetAndType, 0, this.tokenCount).map(function(item, idx) {
            var start = offset;
            var end = item & OFFSET_MASK;

            offset = end;

            return {
                idx: idx,
                type: NAME[item >> TYPE_SHIFT],
                chunk: this.source.substring(start, end),
                balance: this.balance[idx]
            };
        }, this);
    }
};

// extend with error class
Tokenizer.CssSyntaxError = CssSyntaxError;

// extend tokenizer with constants
Object.keys(constants).forEach(function(key) {
    Tokenizer[key] = constants[key];
});

// extend tokenizer with static methods from utils
Object.keys(utils).forEach(function(key) {
    Tokenizer[key] = utils[key];
});

// warm up tokenizer to elimitate code branches that never execute
// fix soft deoptimizations (insufficient type feedback)
new Tokenizer('\n\r\r\n\f<!---->//""\'\'/*\r\n\f*/1a;.\\31\t\+2{url(a);func();+1.2e3 -.4e-5 .6e+7}').getLocation();

module.exports = Tokenizer;


/***/ }),
/* 100 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var createCustomError = __webpack_require__(23);
var MAX_LINE_LENGTH = 100;
var OFFSET_CORRECTION = 60;
var TAB_REPLACEMENT = '    ';

function sourceFragment(error, extraLines) {
    function processLines(start, end) {
        return lines.slice(start, end).map(function(line, idx) {
            var num = String(start + idx + 1);

            while (num.length < maxNumLength) {
                num = ' ' + num;
            }

            return num + ' |' + line;
        }).join('\n');
    }

    var lines = error.source.split(/\r\n?|\n|\f/);
    var line = error.line;
    var column = error.column;
    var startLine = Math.max(1, line - extraLines) - 1;
    var endLine = Math.min(line + extraLines, lines.length + 1);
    var maxNumLength = Math.max(4, String(endLine).length) + 1;
    var cutLeft = 0;

    // column correction according to replaced tab before column
    column += (TAB_REPLACEMENT.length - 1) * (lines[line - 1].substr(0, column - 1).match(/\t/g) || []).length;

    if (column > MAX_LINE_LENGTH) {
        cutLeft = column - OFFSET_CORRECTION + 3;
        column = OFFSET_CORRECTION - 2;
    }

    for (var i = startLine; i <= endLine; i++) {
        if (i >= 0 && i < lines.length) {
            lines[i] = lines[i].replace(/\t/g, TAB_REPLACEMENT);
            lines[i] =
                (cutLeft > 0 && lines[i].length > cutLeft ? '\u2026' : '') +
                lines[i].substr(cutLeft, MAX_LINE_LENGTH - 2) +
                (lines[i].length > cutLeft + MAX_LINE_LENGTH - 1 ? '\u2026' : '');
        }
    }

    return [
        processLines(startLine, line),
        new Array(column + maxNumLength + 2).join('-') + '^',
        processLines(line, endLine)
    ].filter(Boolean).join('\n');
}

var CssSyntaxError = function(message, source, offset, line, column) {
    var error = createCustomError('CssSyntaxError', message);

    error.source = source;
    error.offset = offset;
    error.line = line;
    error.column = column;

    error.sourceFragment = function(extraLines) {
        return sourceFragment(error, isNaN(extraLines) ? 0 : extraLines);
    };
    Object.defineProperty(error, 'formattedMessage', {
        get: function() {
            return (
                'Parse error: ' + error.message + '\n' +
                sourceFragment(error, 2)
            );
        }
    });

    // for backward capability
    error.parseError = {
        offset: offset,
        line: line,
        column: column
    };

    return error;
};

module.exports = CssSyntaxError;


/***/ }),
/* 101 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var SyntaxReferenceError = __webpack_require__(46).SyntaxReferenceError;
var MatchError = __webpack_require__(46).MatchError;
var names = __webpack_require__(26);
var generic = __webpack_require__(102);
var parse = __webpack_require__(27);
var generate = __webpack_require__(25);
var walk = __webpack_require__(48);
var astToTokens = __webpack_require__(104);
var buildMatchGraph = __webpack_require__(49).buildMatchGraph;
var matchAsTree = __webpack_require__(105).matchAsTree;
var trace = __webpack_require__(106);
var search = __webpack_require__(107);
var getStructureFromConfig = __webpack_require__(108).getStructureFromConfig;
var cssWideKeywords = buildMatchGraph(parse('inherit | initial | unset'));
var cssWideKeywordsWithExpression = buildMatchGraph(parse('inherit | initial | unset | <expression>'));

function dumpMapSyntax(map, syntaxAsAst) {
    var result = {};

    for (var name in map) {
        if (map[name].syntax) {
            result[name] = syntaxAsAst ? map[name].syntax : generate(map[name].syntax);
        }
    }

    return result;
}

function valueHasVar(value) {
    var hasVar = false;

    this.syntax.walk(value, function(node) {
        if (node.type === 'Function' && node.name.toLowerCase() === 'var') {
            hasVar = true;
        }
    });

    return hasVar;
}

function buildMatchResult(match, error, iterations) {
    return {
        matched: match,
        iterations: iterations,
        error: error,
        getTrace: trace.getTrace,
        isType: trace.isType,
        isProperty: trace.isProperty,
        isKeyword: trace.isKeyword
    };
}

function matchSyntax(lexer, syntax, node, useCommon) {
    if (!node) {
        return buildMatchResult(null, new Error('Node is undefined'));
    }

    if (valueHasVar.call(lexer, node)) {
        return buildMatchResult(null, new Error('Matching for a tree with var() is not supported'));
    }

    var tokens = lexer.syntax.generate(node, astToTokens);
    var result;

    if (useCommon) {
        result = matchAsTree(tokens, lexer.valueCommonSyntax, lexer);
    }

    if (!useCommon || !result.match) {
        result = matchAsTree(tokens, syntax.match, lexer);
        if (!result.match) {
            return buildMatchResult(
                null,
                new MatchError(result.reason, lexer, syntax.syntax, node, result),
                result.iterations
            );
        }
    }

    return buildMatchResult(result.match, null, result.iterations);
}

var Lexer = function(config, syntax, structure) {
    this.valueCommonSyntax = cssWideKeywords;
    this.syntax = syntax;
    this.generic = false;
    this.properties = {};
    this.types = {};
    this.structure = structure || getStructureFromConfig(config);

    if (config) {
        if (config.generic) {
            this.generic = true;
            for (var name in generic) {
                this.addType_(name, generic[name]);
            }
        }

        if (config.types) {
            for (var name in config.types) {
                this.addType_(name, config.types[name]);
            }
        }

        if (config.properties) {
            for (var name in config.properties) {
                this.addProperty_(name, config.properties[name]);
            }
        }
    }
};

Lexer.prototype = {
    structure: {},
    checkStructure: function(ast) {
        function collectWarning(node, message) {
            warns.push({
                node: node,
                message: message
            });
        }

        var structure = this.structure;
        var warns = [];

        this.syntax.walk(ast, function(node) {
            if (structure.hasOwnProperty(node.type)) {
                structure[node.type].check(node, collectWarning);
            } else {
                collectWarning(node, 'Unknown node type `' + node.type + '`');
            }
        });

        return warns.length ? warns : false;
    },

    createDescriptor: function(syntax, type, name) {
        var ref = {
            type: type,
            name: name
        };
        var descriptor = {
            type: type,
            name: name,
            syntax: null,
            match: null
        };

        if (typeof syntax === 'function') {
            descriptor.match = buildMatchGraph(syntax, ref);
        } else {
            if (typeof syntax === 'string') {
                // lazy parsing on first access
                Object.defineProperty(descriptor, 'syntax', {
                    get: function() {
                        Object.defineProperty(descriptor, 'syntax', {
                            value: parse(syntax)
                        });

                        return descriptor.syntax;
                    }
                });
            } else {
                descriptor.syntax = syntax;
            }

            Object.defineProperty(descriptor, 'match', {
                get: function() {
                    Object.defineProperty(descriptor, 'match', {
                        value: buildMatchGraph(descriptor.syntax, ref)
                    });

                    return descriptor.match;
                }
            });
        }

        return descriptor;
    },
    addProperty_: function(name, syntax) {
        this.properties[name] = this.createDescriptor(syntax, 'Property', name);
    },
    addType_: function(name, syntax) {
        this.types[name] = this.createDescriptor(syntax, 'Type', name);

        if (syntax === generic.expression) {
            this.valueCommonSyntax = cssWideKeywordsWithExpression;
        }
    },

    matchDeclaration: function(node) {
        if (node.type !== 'Declaration') {
            return buildMatchResult(null, new Error('Not a Declaration node'));
        }

        return this.matchProperty(node.property, node.value);
    },
    matchProperty: function(propertyName, value) {
        var property = names.property(propertyName);

        // don't match syntax for a custom property
        if (property.custom) {
            return buildMatchResult(null, new Error('Lexer matching doesn\'t applicable for custom properties'));
        }

        var propertySyntax = property.vendor
            ? this.getProperty(property.name) || this.getProperty(property.basename)
            : this.getProperty(property.name);

        if (!propertySyntax) {
            return buildMatchResult(null, new SyntaxReferenceError('Unknown property', propertyName));
        }

        return matchSyntax(this, propertySyntax, value, true);
    },
    matchType: function(typeName, value) {
        var typeSyntax = this.getType(typeName);

        if (!typeSyntax) {
            return buildMatchResult(null, new SyntaxReferenceError('Unknown type', typeName));
        }

        return matchSyntax(this, typeSyntax, value, false);
    },
    match: function(syntax, value) {
        if (!syntax || !syntax.type) {
            return buildMatchResult(null, new SyntaxReferenceError('Bad syntax'));
        }

        if (!syntax.match) {
            syntax = this.createDescriptor(syntax);
        }

        return matchSyntax(this, syntax, value, false);
    },

    findValueFragments: function(propertyName, value, type, name) {
        return search.matchFragments(this, value, this.matchProperty(propertyName, value), type, name);
    },
    findDeclarationValueFragments: function(declaration, type, name) {
        return search.matchFragments(this, declaration.value, this.matchDeclaration(declaration), type, name);
    },
    findAllFragments: function(ast, type, name) {
        var result = [];

        this.syntax.walk(ast, {
            visit: 'Declaration',
            enter: function(declaration) {
                result.push.apply(result, this.findDeclarationValueFragments(declaration, type, name));
            }.bind(this)
        });

        return result;
    },

    getProperty: function(name) {
        return this.properties.hasOwnProperty(name) ? this.properties[name] : null;
    },
    getType: function(name) {
        return this.types.hasOwnProperty(name) ? this.types[name] : null;
    },

    validate: function() {
        function validate(syntax, name, broken, descriptor) {
            if (broken.hasOwnProperty(name)) {
                return broken[name];
            }

            broken[name] = false;
            if (descriptor.syntax !== null) {
                walk(descriptor.syntax, function(node) {
                    if (node.type !== 'Type' && node.type !== 'Property') {
                        return;
                    }

                    var map = node.type === 'Type' ? syntax.types : syntax.properties;
                    var brokenMap = node.type === 'Type' ? brokenTypes : brokenProperties;

                    if (!map.hasOwnProperty(node.name) || validate(syntax, node.name, brokenMap, map[node.name])) {
                        broken[name] = true;
                    }
                }, this);
            }
        }

        var brokenTypes = {};
        var brokenProperties = {};

        for (var key in this.types) {
            validate(this, key, brokenTypes, this.types[key]);
        }

        for (var key in this.properties) {
            validate(this, key, brokenProperties, this.properties[key]);
        }

        brokenTypes = Object.keys(brokenTypes).filter(function(name) {
            return brokenTypes[name];
        });
        brokenProperties = Object.keys(brokenProperties).filter(function(name) {
            return brokenProperties[name];
        });

        if (brokenTypes.length || brokenProperties.length) {
            return {
                types: brokenTypes,
                properties: brokenProperties
            };
        }

        return null;
    },
    dump: function(syntaxAsAst) {
        return {
            generic: this.generic,
            types: dumpMapSyntax(this.types, syntaxAsAst),
            properties: dumpMapSyntax(this.properties, syntaxAsAst)
        };
    },
    toString: function() {
        return JSON.stringify(this.dump());
    }
};

module.exports = Lexer;


/***/ }),
/* 102 */
/***/ (function(module, exports, __webpack_require__) {

var tokenizerUtils = __webpack_require__(45);
var findIdentifierEnd = tokenizerUtils.findIdentifierEnd;
var findNumberEnd = tokenizerUtils.findNumberEnd;
var findDecimalNumberEnd = tokenizerUtils.findDecimalNumberEnd;
var isHex = tokenizerUtils.isHex;
var tokenizerConst = __webpack_require__(24);
var SYMBOL_TYPE = tokenizerConst.SYMBOL_TYPE;
var IDENTIFIER = tokenizerConst.TYPE.Identifier;
var PLUSSIGN = tokenizerConst.TYPE.PlusSign;
var HYPHENMINUS = tokenizerConst.TYPE.HyphenMinus;
var NUMBERSIGN = tokenizerConst.TYPE.NumberSign;

var PERCENTAGE = {
    '%': true
};

// https://www.w3.org/TR/css-values-3/#lengths
var LENGTH = {
    // absolute length units
    'px': true,
    'mm': true,
    'cm': true,
    'in': true,
    'pt': true,
    'pc': true,
    'q': true,

    // relative length units
    'em': true,
    'ex': true,
    'ch': true,
    'rem': true,

    // viewport-percentage lengths
    'vh': true,
    'vw': true,
    'vmin': true,
    'vmax': true,
    'vm': true
};

var ANGLE = {
    'deg': true,
    'grad': true,
    'rad': true,
    'turn': true
};

var TIME = {
    's': true,
    'ms': true
};

var FREQUENCY = {
    'hz': true,
    'khz': true
};

// https://www.w3.org/TR/css-values-3/#resolution (https://drafts.csswg.org/css-values/#resolution)
var RESOLUTION = {
    'dpi': true,
    'dpcm': true,
    'dppx': true,
    'x': true      // https://github.com/w3c/csswg-drafts/issues/461
};

// https://drafts.csswg.org/css-grid/#fr-unit
var FLEX = {
    'fr': true
};

// https://www.w3.org/TR/css3-speech/#mixing-props-voice-volume
var DECIBEL = {
    'db': true
};

// https://www.w3.org/TR/css3-speech/#voice-props-voice-pitch
var SEMITONES = {
    'st': true
};

function consumeFunction(token, addTokenToMatch, getNextToken) {
    var length = 1;
    var cursor;

    do {
        cursor = getNextToken(length++);
    } while (cursor !== null && cursor.node !== token.node);

    if (cursor === null) {
        return false;
    }

    while (true) {
        // consume tokens until cursor
        if (addTokenToMatch() === cursor) {
            break;
        }
    }

    return true;
}

// TODO: implement
// can be used wherever <length>, <frequency>, <angle>, <time>, <percentage>, <number>, or <integer> values are allowed
// https://drafts.csswg.org/css-values/#calc-notation
function calc(token, addTokenToMatch, getNextToken) {
    if (token === null) {
        return false;
    }

    var name = token.value.toLowerCase();
    if (name !== 'calc(' &&
        name !== '-moz-calc(' &&
        name !== '-webkit-calc(') {
        return false;
    }

    return consumeFunction(token, addTokenToMatch, getNextToken);
}

function attr(token, addTokenToMatch, getNextToken) {
    if (token === null || token.value.toLowerCase() !== 'attr(') {
        return false;
    }

    return consumeFunction(token, addTokenToMatch, getNextToken);
}

function expression(token, addTokenToMatch, getNextToken) {
    if (token === null || token.value.toLowerCase() !== 'expression(') {
        return false;
    }

    return consumeFunction(token, addTokenToMatch, getNextToken);
}

function url(token, addTokenToMatch, getNextToken) {
    if (token === null || token.value.toLowerCase() !== 'url(') {
        return false;
    }

    return consumeFunction(token, addTokenToMatch, getNextToken);
}

function idSelector(token, addTokenToMatch) {
    if (token === null) {
        return false;
    }

    if (token.value.charCodeAt(0) !== NUMBERSIGN) {
        return false;
    }

    if (consumeIdentifier(token.value, 1) !== token.value.length) {
        return false;
    }

    addTokenToMatch();
    return true;
}

function isNumber(str) {
    return /^[-+]?(\d+|\d*\.\d+)([eE][-+]?\d+)?$/.test(str);
}

function consumeNumber(str, allowFraction) {
    var code = str.charCodeAt(0);

    return findNumberEnd(str, code === PLUSSIGN || code === HYPHENMINUS ? 1 : 0, allowFraction);
}

function consumeIdentifier(str, offset) {
    var code = str.charCodeAt(offset);

    if (code < 0x80 && SYMBOL_TYPE[code] !== IDENTIFIER && code !== HYPHENMINUS) {
        return offset;
    }

    return findIdentifierEnd(str, offset + 1);
}

function astNode(type) {
    return function(token, addTokenToMatch) {
        if (token === null || token.node.type !== type) {
            return false;
        }

        addTokenToMatch();
        return true;
    };
}

function dimension(type) {
    return function(token, addTokenToMatch, getNextToken) {
        if (calc(token, addTokenToMatch, getNextToken)) {
            return true;
        }

        if (token === null) {
            return false;
        }

        var numberEnd = consumeNumber(token.value, true);
        if (numberEnd === 0) {
            return false;
        }

        if (type) {
            if (!type.hasOwnProperty(token.value.substr(numberEnd).toLowerCase())) {
                return false;
            }
        } else {
            var unitEnd = consumeIdentifier(token.value, numberEnd);
            if (unitEnd === numberEnd || unitEnd !== token.value.length) {
                return false;
            }
        }

        addTokenToMatch();
        return true;
    };
}

function zeroUnitlessDimension(type) {
    var isDimension = dimension(type);

    return function(token, addTokenToMatch, getNextToken) {
        if (isDimension(token, addTokenToMatch, getNextToken)) {
            return true;
        }

        if (token === null || Number(token.value) !== 0) {
            return false;
        }

        addTokenToMatch();
        return true;
    };
}

function number(token, addTokenToMatch, getNextToken) {
    if (calc(token, addTokenToMatch, getNextToken)) {
        return true;
    }

    if (token === null) {
        return false;
    }

    var numberEnd = consumeNumber(token.value, true);
    if (numberEnd !== token.value.length) {
        return false;
    }

    addTokenToMatch();
    return true;
}

function numberZeroOne(token, addTokenToMatch, getNextToken) {
    if (calc(token, addTokenToMatch, getNextToken)) {
        return true;
    }

    if (token === null || !isNumber(token.value)) {
        return false;
    }

    var value = Number(token.value);
    if (value < 0 || value > 1) {
        return false;
    }

    addTokenToMatch();
    return true;
}

function numberOneOrGreater(token, addTokenToMatch, getNextToken) {
    if (calc(token, addTokenToMatch, getNextToken)) {
        return true;
    }

    if (token === null || !isNumber(token.value)) {
        return false;
    }

    var value = Number(token.value);
    if (value < 1) {
        return false;
    }

    addTokenToMatch();
    return true;
}

// TODO: fail on 10e-2
function integer(token, addTokenToMatch, getNextToken) {
    if (calc(token, addTokenToMatch, getNextToken)) {
        return true;
    }

    if (token === null) {
        return false;
    }

    var numberEnd = consumeNumber(token.value, false);
    if (numberEnd !== token.value.length) {
        return false;
    }

    addTokenToMatch();
    return true;
}

// TODO: fail on 10e-2
function positiveInteger(token, addTokenToMatch, getNextToken) {
    if (calc(token, addTokenToMatch, getNextToken)) {
        return true;
    }

    if (token === null) {
        return false;
    }

    var numberEnd = findDecimalNumberEnd(token.value, 0);
    if (numberEnd !== token.value.length || token.value.charCodeAt(0) === HYPHENMINUS) {
        return false;
    }

    addTokenToMatch();
    return true;
}

function hexColor(token, addTokenToMatch) {
    if (token === null || token.value.charCodeAt(0) !== NUMBERSIGN) {
        return false;
    }

    var length = token.value.length - 1;

    // valid length is 3, 4, 6 and 8 (+1 for #)
    if (length !== 3 && length !== 4 && length !== 6 && length !== 8) {
        return false;
    }

    for (var i = 1; i < length; i++) {
        if (!isHex(token.value.charCodeAt(i))) {
            return false;
        }
    }

    addTokenToMatch();
    return true;
}

// https://developer.mozilla.org/en-US/docs/Web/CSS/custom-ident
// https://drafts.csswg.org/css-values-4/#identifier-value
function customIdent(token, addTokenToMatch) {
    if (token === null) {
        return false;
    }

    var identEnd = consumeIdentifier(token.value, 0);
    if (identEnd !== token.value.length) {
        return false;
    }

    var name = token.value.toLowerCase();

    // § 3.2. Author-defined Identifiers: the <custom-ident> type
    // The CSS-wide keywords are not valid <custom-ident>s
    if (name === 'unset' || name === 'initial' || name === 'inherit') {
        return false;
    }

    // The default keyword is reserved and is also not a valid <custom-ident>
    if (name === 'default') {
        return false;
    }

    // TODO: ignore property specific keywords (as described https://developer.mozilla.org/en-US/docs/Web/CSS/custom-ident)

    addTokenToMatch();
    return true;
}

module.exports = {
    'angle': zeroUnitlessDimension(ANGLE),
    'attr()': attr,
    'custom-ident': customIdent,
    'decibel': dimension(DECIBEL),
    'dimension': dimension(),
    'frequency': dimension(FREQUENCY),
    'flex': dimension(FLEX),
    'hex-color': hexColor,
    'id-selector': idSelector, // element( <id-selector> )
    'ident': astNode('Identifier'),
    'integer': integer,
    'length': zeroUnitlessDimension(LENGTH),
    'number': number,
    'number-zero-one': numberZeroOne,
    'number-one-or-greater': numberOneOrGreater,
    'percentage': dimension(PERCENTAGE),
    'positive-integer': positiveInteger,
    'resolution': dimension(RESOLUTION),
    'semitones': dimension(SEMITONES),
    'string': astNode('String'),
    'time': dimension(TIME),
    'unicode-range': astNode('UnicodeRange'),
    'url': url,

    // old IE stuff
    'progid': astNode('Raw'),
    'expression': expression
};


/***/ }),
/* 103 */
/***/ (function(module, exports, __webpack_require__) {

var SyntaxParseError = __webpack_require__(47).SyntaxParseError;

var TAB = 9;
var N = 10;
var F = 12;
var R = 13;
var SPACE = 32;

var Tokenizer = function(str) {
    this.str = str;
    this.pos = 0;
};

Tokenizer.prototype = {
    charCodeAt: function(pos) {
        return pos < this.str.length ? this.str.charCodeAt(pos) : 0;
    },
    charCode: function() {
        return this.charCodeAt(this.pos);
    },
    nextCharCode: function() {
        return this.charCodeAt(this.pos + 1);
    },
    nextNonWsCode: function(pos) {
        return this.charCodeAt(this.findWsEnd(pos));
    },
    findWsEnd: function(pos) {
        for (; pos < this.str.length; pos++) {
            var code = this.str.charCodeAt(pos);
            if (code !== R && code !== N && code !== F && code !== SPACE && code !== TAB) {
                break;
            }
        }

        return pos;
    },
    substringToPos: function(end) {
        return this.str.substring(this.pos, this.pos = end);
    },
    eat: function(code) {
        if (this.charCode() !== code) {
            this.error('Expect `' + String.fromCharCode(code) + '`');
        }

        this.pos++;
    },
    peek: function() {
        return this.pos < this.str.length ? this.str.charAt(this.pos++) : '';
    },
    error: function(message) {
        throw new SyntaxParseError(message, this.str, this.pos);
    }
};

module.exports = Tokenizer;


/***/ }),
/* 104 */
/***/ (function(module, exports) {

module.exports = {
    decorator: function(handlers) {
        var curNode = null;
        var prev = null;
        var tokens = [];

        return {
            children: handlers.children,
            node: function(node) {
                var tmp = curNode;
                curNode = node;
                handlers.node.call(this, node);
                curNode = tmp;
            },
            chunk: function(chunk) {
                if (tokens.length > 0) {
                    switch (curNode.type) {
                        case 'Dimension':
                        case 'HexColor':
                        case 'IdSelector':
                        case 'Percentage':
                            if (prev.node === curNode) {
                                prev.value += chunk;
                                return;
                            }
                            break;

                        case 'Function':
                        case 'PseudoClassSelector':
                        case 'PseudoElementSelector':
                        case 'Url':
                            if (chunk === '(') {
                                prev.value += chunk;
                                return;
                            }
                            break;

                        case 'Atrule':
                            if (prev.node === curNode && prev.value === '@') {
                                prev.value += chunk;
                                return;
                            }
                            break;
                    }
                }

                tokens.push(prev = {
                    value: chunk,
                    node: curNode
                });
            },
            result: function() {
                return tokens;
            }
        };
    }
};


/***/ }),
/* 105 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var hasOwnProperty = Object.prototype.hasOwnProperty;
var matchGraph = __webpack_require__(49);
var MATCH = matchGraph.MATCH;
var MISMATCH = matchGraph.MISMATCH;
var DISALLOW_EMPTY = matchGraph.DISALLOW_EMPTY;

var TOKEN = 1;
var OPEN_SYNTAX = 2;
var CLOSE_SYNTAX = 3;

var EXIT_REASON_MATCH = 'Match';
var EXIT_REASON_MISMATCH = 'Mismatch';
var EXIT_REASON_ITERATION_LIMIT = 'Maximum iteration number exceeded (please fill an issue on https://github.com/csstree/csstree/issues)';

var ITERATION_LIMIT = 10000;
var totalIterationCount = 0;

function mapList(list, fn) {
    var result = [];

    while (list) {
        result.unshift(fn(list));
        list = list.prev;
    }

    return result;
}

function isCommaContextStart(token) {
    if (token === null) {
        return true;
    }

    token = token.value.charAt(token.value.length - 1);

    return (
        token === ',' ||
        token === '(' ||
        token === '[' ||
        token === '/'
    );
}

function isCommaContextEnd(token) {
    if (token === null) {
        return true;
    }

    token = token.value.charAt(0);

    return (
        token === ')' ||
        token === ']' ||
        token === '/'
    );
}

function internalMatch(tokens, syntax, syntaxes) {
    function moveToNextToken() {
        do {
            tokenCursor++;
            token = tokenCursor < tokens.length ? tokens[tokenCursor] : null;
        } while (token !== null && !/\S/.test(token.value));
    }

    function getNextToken(offset) {
        var nextIndex = tokenCursor + offset;

        return nextIndex < tokens.length ? tokens[nextIndex] : null;
    }

    function pushThenStack(nextSyntax) {
        thenStack = {
            nextSyntax: nextSyntax,
            matchStack: matchStack,
            syntaxStack: syntaxStack,
            prev: thenStack
        };
    }

    function pushElseStack(nextSyntax) {
        elseStack = {
            nextSyntax: nextSyntax,
            matchStack: matchStack,
            syntaxStack: syntaxStack,
            thenStack: thenStack,
            tokenCursor: tokenCursor,
            token: token,
            prev: elseStack
        };
    }

    function addTokenToMatch() {
        matchStack = {
            type: TOKEN,
            syntax: syntax.syntax,
            token: token,
            prev: matchStack
        };

        moveToNextToken();

        if (tokenCursor > longestMatch) {
            longestMatch = tokenCursor;
        }

        return matchStack.token;
    }

    function openSyntax() {
        syntaxStack = {
            syntax: syntax,
            prev: syntaxStack
        };

        matchStack = {
            type: OPEN_SYNTAX,
            syntax: syntax.syntax,
            token: matchStack.token,
            prev: matchStack
        };
    }

    function closeSyntax() {
        if (matchStack.type === OPEN_SYNTAX) {
            matchStack = matchStack.prev;
        } else {
            matchStack = {
                type: CLOSE_SYNTAX,
                syntax: syntaxStack.syntax,
                token: matchStack.token,
                prev: matchStack
            };
        }

        syntaxStack = syntaxStack.prev;
    }

    var syntaxStack = null;
    var thenStack = null;
    var elseStack = null;

    var iterationCount = 0;
    var exitReason = EXIT_REASON_MATCH;

    var matchStack = { type: 'Stub', syntax: null, token: null, tokenCursor: -1, prev: null };
    var longestMatch = 0;
    var tokenCursor = -1;
    var token = null;

    moveToNextToken();

    while (true) {
        // console.log('--\n',
        //     '#' + iterationCount,
        //     require('util').inspect({
        //         match: mapList(matchStack, x => x.type === TOKEN ? x.token && x.token.value : x.syntax ? x.type + '!' + x.syntax.name : null),
        //         elseStack: mapList(elseStack, x => x.id),
        //         thenStack: mapList(thenStack, x => x.id),
        //         token: token && token.value,
        //         tokenCursor,
        //         syntax
        //     }, { depth: null })
        // );

        // prevent infinite loop
        if (++iterationCount === ITERATION_LIMIT) {
            console.warn('[csstree-match] BREAK after ' + ITERATION_LIMIT + ' iterations');
            exitReason = EXIT_REASON_ITERATION_LIMIT;
            break;
        }

        if (syntax === MATCH) {
            if (thenStack === null) {
                // turn to MISMATCH when some tokens left unmatched
                if (token !== null) {
                    // doesn't mismatch if just one token left and it's an IE hack
                    if (tokenCursor !== tokens.length - 1 || (token.value !== '\\0' && token.value !== '\\9')) {
                        syntax = MISMATCH;
                        continue;
                    }
                }

                // break the main loop, return a result - MATCH
                exitReason = EXIT_REASON_MATCH;
                break;
            }

            // go to next syntax (`then` branch)
            syntax = thenStack.nextSyntax;

            // check match is not empty
            if (syntax === DISALLOW_EMPTY) {
                if (thenStack.matchStack.token === matchStack.token) {
                    syntax = MISMATCH;
                    continue;
                } else {
                    syntax = MATCH;
                }
            }

            // close syntax if needed
            while (syntaxStack !== null && thenStack.syntaxStack !== syntaxStack) {
                closeSyntax();
            }

            // pop stack
            thenStack = thenStack.prev;
            continue;
        }

        if (syntax === MISMATCH) {
            if (elseStack === null) {
                // break the main loop, return a result - MISMATCH
                exitReason = EXIT_REASON_MISMATCH;
                break;
            }

            // go to next syntax (`else` branch)
            syntax = elseStack.nextSyntax;

            // restore all the rest stack states
            thenStack = elseStack.thenStack;
            syntaxStack = elseStack.syntaxStack;
            matchStack = elseStack.matchStack;
            tokenCursor = elseStack.tokenCursor;
            token = elseStack.token;

            // pop stack
            elseStack = elseStack.prev;
            continue;
        }

        switch (syntax.type) {
            case 'MatchGraph':
                syntax = syntax.match;
                break;

            case 'If':
                // IMPORTANT: else stack push must go first,
                // since it stores the state of thenStack before changes
                if (syntax.else !== MISMATCH) {
                    pushElseStack(syntax.else);
                }

                if (syntax.then !== MATCH) {
                    pushThenStack(syntax.then);
                }

                syntax = syntax.match;
                break;

            case 'MatchOnce':
                syntax = {
                    type: 'MatchOnceBuffer',
                    terms: syntax.terms,
                    all: syntax.all,
                    matchStack: matchStack,
                    index: 0,
                    mask: 0
                };
                break;

            case 'MatchOnceBuffer':
                if (syntax.index === syntax.terms.length) {
                    // if no matches during a cycle
                    if (syntax.matchStack === matchStack) {
                        // no matches at all or it's required all terms to be matched
                        if (syntax.mask === 0 || syntax.all) {
                            syntax = MISMATCH;
                            break;
                        }

                        // a partial match is ok
                        syntax = MATCH;
                        break;
                    } else {
                        // start trying to match from the start
                        syntax.index = 0;
                        syntax.matchStack = matchStack;
                    }
                }

                for (; syntax.index < syntax.terms.length; syntax.index++) {
                    if ((syntax.mask & (1 << syntax.index)) === 0) {
                        // IMPORTANT: else stack push must go first,
                        // since it stores the state of thenStack before changes
                        pushElseStack(syntax);
                        pushThenStack({
                            type: 'AddMatchOnce',
                            buffer: syntax
                        });

                        // match
                        syntax = syntax.terms[syntax.index++];
                        break;
                    }
                }
                break;

            case 'AddMatchOnce':
                syntax = syntax.buffer;

                var newMask = syntax.mask | (1 << (syntax.index - 1));

                // all terms are matched
                if (newMask === (1 << syntax.terms.length) - 1) {
                    syntax = MATCH;
                    continue;
                }

                syntax = {
                    type: 'MatchOnceBuffer',
                    terms: syntax.terms,
                    all: syntax.all,
                    matchStack: syntax.matchStack,
                    index: syntax.index,
                    mask: newMask
                };

                break;

            case 'Enum':
                var name = token !== null ? token.value.toLowerCase() : '';

                // drop \0 and \9 hack from keyword name
                if (name.indexOf('\\') !== -1) {
                    name = name.replace(/\\[09].*$/, '');
                }

                if (hasOwnProperty.call(syntax.map, name)) {
                    syntax = syntax.map[name];
                } else {
                    syntax = MISMATCH;
                }

                break;

            case 'Generic':
                syntax = syntax.fn(token, addTokenToMatch, getNextToken) ? MATCH : MISMATCH;
                break;

            case 'Type':
            case 'Property':
                openSyntax();

                var syntaxDict = syntax.type === 'Type' ? 'types' : 'properties';

                if (hasOwnProperty.call(syntaxes, syntaxDict) && syntaxes[syntaxDict][syntax.name]) {
                    syntax = syntaxes[syntaxDict][syntax.name].match;
                } else {
                    syntax = undefined;
                }

                if (!syntax) {
                    throw new Error(
                        'Bad syntax reference: ' +
                        (syntaxStack.syntax.type === 'Type'
                            ? '<' + syntaxStack.syntax.name + '>'
                            : '<\'' + syntaxStack.syntax.name + '\'>')
                    );
                }

                break;

            case 'Keyword':
                var name = syntax.name;

                if (token !== null) {
                    var keywordName = token.value;

                    // drop \0 and \9 hack from keyword name
                    if (keywordName.indexOf('\\') !== -1) {
                        keywordName = keywordName.replace(/\\[09].*$/, '');
                    }

                    if (keywordName.toLowerCase() === name) {
                        addTokenToMatch();

                        syntax = MATCH;
                        break;
                    }
                }

                syntax = MISMATCH;
                break;

            case 'AtKeyword':
            case 'Function':
                if (token !== null && token.value.toLowerCase() === syntax.name) {
                    addTokenToMatch();

                    syntax = MATCH;
                    break;
                }

                syntax = MISMATCH;
                break;

            case 'Token':
                if (token !== null && token.value === syntax.value) {
                    addTokenToMatch();

                    syntax = MATCH;
                    break;
                }

                syntax = MISMATCH;
                break;

            case 'Comma':
                if (token !== null && token.value === ',') {
                    if (isCommaContextStart(matchStack.token)) {
                        syntax = MISMATCH;
                    } else {
                        addTokenToMatch();
                        syntax = isCommaContextEnd(token) ? MISMATCH : MATCH;
                    }
                } else {
                    syntax = isCommaContextStart(matchStack.token) || isCommaContextEnd(token) ? MATCH : MISMATCH;
                }

                break;

            // case 'String':
            // TODO: strings with length other than 1 char

            default:
                throw new Error('Unknown node type: ' + syntax.type);
        }
    }

    totalIterationCount += iterationCount;

    if (exitReason === EXIT_REASON_MATCH) {
        while (syntaxStack !== null) {
            closeSyntax();
        }
    } else {
        matchStack = null;
    }

    return {
        tokens: tokens,
        reason: exitReason,
        iterations: iterationCount,
        match: matchStack,
        longestMatch: longestMatch
    };
}

function matchAsList(tokens, matchGraph, syntaxes) {
    var matchResult = internalMatch(tokens, matchGraph, syntaxes || {});

    if (matchResult.match !== null) {
        matchResult.match = mapList(matchResult.match, function(item) {
            if (item.type === OPEN_SYNTAX || item.type === CLOSE_SYNTAX) {
                return { type: item.type, syntax: item.syntax };
            }

            return {
                syntax: item.syntax,
                token: item.token && item.token.value,
                node: item.token && item.token.node
            };
        }).slice(1);
    }

    return matchResult;
}

function matchAsTree(tokens, matchGraph, syntaxes) {
    var matchResult = internalMatch(tokens, matchGraph, syntaxes || {});

    if (matchResult.match === null) {
        return matchResult;
    }

    var cursor = matchResult.match;
    var host = matchResult.match = {
        syntax: matchGraph.syntax || null,
        match: []
    };
    var stack = [host];

    // revert a list
    var prev = null;
    var next = null;
    while (cursor !== null) {
        next = cursor.prev;
        cursor.prev = prev;
        prev = cursor;
        cursor = next;
    }

    // init the cursor to start with 2nd item since 1st is a stub item
    cursor = prev.prev;

    // build a tree
    while (cursor !== null && cursor.syntax !== null) {
        var entry = cursor;

        switch (entry.type) {
            case OPEN_SYNTAX:
                host.match.push(host = {
                    syntax: entry.syntax,
                    match: []
                });
                stack.push(host);
                break;

            case CLOSE_SYNTAX:
                stack.pop();
                host = stack[stack.length - 1];
                break;

            default:
                host.match.push({
                    syntax: entry.syntax || null,
                    token: entry.token.value,
                    node: entry.token.node
                });
        }

        cursor = cursor.prev;
    }

    return matchResult;
}

module.exports = {
    matchAsList: matchAsList,
    matchAsTree: matchAsTree,
    getTotalIterationCount: function() {
        return totalIterationCount;
    }
};


/***/ }),
/* 106 */
/***/ (function(module, exports) {

function getTrace(node) {
    function shouldPutToTrace(syntax) {
        if (syntax === null) {
            return false;
        }

        return (
            syntax.type === 'Type' ||
            syntax.type === 'Property' ||
            syntax.type === 'Keyword'
        );
    }

    function hasMatch(matchNode) {
        if (Array.isArray(matchNode.match)) {
            // use for-loop for better perfomance
            for (var i = 0; i < matchNode.match.length; i++) {
                if (hasMatch(matchNode.match[i])) {
                    if (shouldPutToTrace(matchNode.syntax)) {
                        result.unshift(matchNode.syntax);
                    }

                    return true;
                }
            }
        } else if (matchNode.node === node) {
            result = shouldPutToTrace(matchNode.syntax)
                ? [matchNode.syntax]
                : [];

            return true;
        }

        return false;
    }

    var result = null;

    if (this.matched !== null) {
        hasMatch(this.matched);
    }

    return result;
}

function testNode(match, node, fn) {
    var trace = getTrace.call(match, node);

    if (trace === null) {
        return false;
    }

    return trace.some(fn);
}

function isType(node, type) {
    return testNode(this, node, function(matchNode) {
        return matchNode.type === 'Type' && matchNode.name === type;
    });
}

function isProperty(node, property) {
    return testNode(this, node, function(matchNode) {
        return matchNode.type === 'Property' && matchNode.name === property;
    });
}

function isKeyword(node) {
    return testNode(this, node, function(matchNode) {
        return matchNode.type === 'Keyword';
    });
}

module.exports = {
    getTrace: getTrace,
    isType: isType,
    isProperty: isProperty,
    isKeyword: isKeyword
};


/***/ }),
/* 107 */
/***/ (function(module, exports, __webpack_require__) {

var List = __webpack_require__(7);

function getFirstMatchNode(matchNode) {
    if ('node' in matchNode) {
        return matchNode.node;
    }

    return getFirstMatchNode(matchNode.match[0]);
}

function getLastMatchNode(matchNode) {
    if ('node' in matchNode) {
        return matchNode.node;
    }

    return getLastMatchNode(matchNode.match[matchNode.match.length - 1]);
}

function matchFragments(lexer, ast, match, type, name) {
    function findFragments(matchNode) {
        if (matchNode.syntax !== null &&
            matchNode.syntax.type === type &&
            matchNode.syntax.name === name) {
            var start = getFirstMatchNode(matchNode);
            var end = getLastMatchNode(matchNode);

            lexer.syntax.walk(ast, function(node, item, list) {
                if (node === start) {
                    var nodes = new List();

                    do {
                        nodes.appendData(item.data);

                        if (item.data === end) {
                            break;
                        }

                        item = item.next;
                    } while (item !== null);

                    fragments.push({
                        parent: list,
                        nodes: nodes
                    });
                }
            });
        }

        if (Array.isArray(matchNode.match)) {
            matchNode.match.forEach(findFragments);
        }
    }

    var fragments = [];

    if (match.matched !== null) {
        findFragments(match.matched);
    }

    return fragments;
}

module.exports = {
    matchFragments: matchFragments
};


/***/ }),
/* 108 */
/***/ (function(module, exports, __webpack_require__) {

var List = __webpack_require__(7);
var hasOwnProperty = Object.prototype.hasOwnProperty;

function isValidNumber(value) {
    // Number.isInteger(value) && value >= 0
    return (
        typeof value === 'number' &&
        isFinite(value) &&
        Math.floor(value) === value &&
        value >= 0
    );
}

function isValidLocation(loc) {
    return (
        Boolean(loc) &&
        isValidNumber(loc.offset) &&
        isValidNumber(loc.line) &&
        isValidNumber(loc.column)
    );
}

function createNodeStructureChecker(type, fields) {
    return function checkNode(node, warn) {
        if (!node || node.constructor !== Object) {
            return warn(node, 'Type of node should be an Object');
        }

        for (var key in node) {
            var valid = true;

            if (hasOwnProperty.call(node, key) === false) {
                continue;
            }

            if (key === 'type') {
                if (node.type !== type) {
                    warn(node, 'Wrong node type `' + node.type + '`, expected `' + type + '`');
                }
            } else if (key === 'loc') {
                if (node.loc === null) {
                    continue;
                } else if (node.loc && node.loc.constructor === Object) {
                    if (typeof node.loc.source !== 'string') {
                        key += '.source';
                    } else if (!isValidLocation(node.loc.start)) {
                        key += '.start';
                    } else if (!isValidLocation(node.loc.end)) {
                        key += '.end';
                    } else {
                        continue;
                    }
                }

                valid = false;
            } else if (fields.hasOwnProperty(key)) {
                for (var i = 0, valid = false; !valid && i < fields[key].length; i++) {
                    var fieldType = fields[key][i];

                    switch (fieldType) {
                        case String:
                            valid = typeof node[key] === 'string';
                            break;

                        case Boolean:
                            valid = typeof node[key] === 'boolean';
                            break;

                        case null:
                            valid = node[key] === null;
                            break;

                        default:
                            if (typeof fieldType === 'string') {
                                valid = node[key] && node[key].type === fieldType;
                            } else if (Array.isArray(fieldType)) {
                                valid = node[key] instanceof List;
                            }
                    }
                }
            } else {
                warn(node, 'Unknown field `' + key + '` for ' + type + ' node type');
            }

            if (!valid) {
                warn(node, 'Bad value for `' + type + '.' + key + '`');
            }
        }

        for (var key in fields) {
            if (hasOwnProperty.call(fields, key) &&
                hasOwnProperty.call(node, key) === false) {
                warn(node, 'Field `' + type + '.' + key + '` is missed');
            }
        }
    };
}

function processStructure(name, nodeType) {
    var structure = nodeType.structure;
    var fields = {
        type: String,
        loc: true
    };
    var docs = {
        type: '"' + name + '"'
    };

    for (var key in structure) {
        if (hasOwnProperty.call(structure, key) === false) {
            continue;
        }

        var docsTypes = [];
        var fieldTypes = fields[key] = Array.isArray(structure[key])
            ? structure[key].slice()
            : [structure[key]];

        for (var i = 0; i < fieldTypes.length; i++) {
            var fieldType = fieldTypes[i];
            if (fieldType === String || fieldType === Boolean) {
                docsTypes.push(fieldType.name);
            } else if (fieldType === null) {
                docsTypes.push('null');
            } else if (typeof fieldType === 'string') {
                docsTypes.push('<' + fieldType + '>');
            } else if (Array.isArray(fieldType)) {
                docsTypes.push('List'); // TODO: use type enum
            } else {
                throw new Error('Wrong value `' + fieldType + '` in `' + name + '.' + key + '` structure definition');
            }
        }

        docs[key] = docsTypes.join(' | ');
    }

    return {
        docs: docs,
        check: createNodeStructureChecker(name, fields)
    };
}

module.exports = {
    getStructureFromConfig: function(config) {
        var structure = {};

        if (config.node) {
            for (var name in config.node) {
                if (hasOwnProperty.call(config.node, name)) {
                    var nodeType = config.node[name];

                    if (nodeType.structure) {
                        structure[name] = processStructure(name, nodeType);
                    } else {
                        throw new Error('Missed `structure` field in `' + name + '` node type definition');
                    }
                }
            }
        }

        return structure;
    }
};


/***/ }),
/* 109 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = {
    SyntaxParseError: __webpack_require__(47).SyntaxParseError,
    parse: __webpack_require__(27),
    generate: __webpack_require__(25),
    walk: __webpack_require__(48)
};


/***/ }),
/* 110 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var Tokenizer = __webpack_require__(0);
var List = __webpack_require__(7);
var sequence = __webpack_require__(111);
var noop = function() {};

function createParseContext(name) {
    return function() {
        return this[name]();
    };
}

function processConfig(config) {
    var parserConfig = {
        context: {},
        scope: {},
        atrule: {},
        pseudo: {}
    };

    if (config.parseContext) {
        for (var name in config.parseContext) {
            switch (typeof config.parseContext[name]) {
                case 'function':
                    parserConfig.context[name] = config.parseContext[name];
                    break;

                case 'string':
                    parserConfig.context[name] = createParseContext(config.parseContext[name]);
                    break;
            }
        }
    }

    if (config.scope) {
        for (var name in config.scope) {
            parserConfig.scope[name] = config.scope[name];
        }
    }

    if (config.atrule) {
        for (var name in config.atrule) {
            var atrule = config.atrule[name];

            if (atrule.parse) {
                parserConfig.atrule[name] = atrule.parse;
            }
        }
    }

    if (config.pseudo) {
        for (var name in config.pseudo) {
            var pseudo = config.pseudo[name];

            if (pseudo.parse) {
                parserConfig.pseudo[name] = pseudo.parse;
            }
        }
    }

    if (config.node) {
        for (var name in config.node) {
            parserConfig[name] = config.node[name].parse;
        }
    }

    return parserConfig;
}

module.exports = function createParser(config) {
    var parser = {
        scanner: new Tokenizer(),
        filename: '<unknown>',
        needPositions: false,
        onParseError: noop,
        onParseErrorThrow: false,
        parseAtrulePrelude: true,
        parseRulePrelude: true,
        parseValue: true,
        parseCustomProperty: false,

        readSequence: sequence,

        createList: function() {
            return new List();
        },
        createSingleNodeList: function(node) {
            return new List().appendData(node);
        },
        getFirstListNode: function(list) {
            return list && list.first();
        },
        getLastListNode: function(list) {
            return list.last();
        },

        parseWithFallback: function(consumer, fallback) {
            var startToken = this.scanner.currentToken;

            try {
                return consumer.call(this);
            } catch (e) {
                if (this.onParseErrorThrow) {
                    throw e;
                }

                var fallbackNode = fallback.call(this, startToken);

                this.onParseErrorThrow = true;
                this.onParseError(e, fallbackNode);
                this.onParseErrorThrow = false;

                return fallbackNode;
            }
        },

        getLocation: function(start, end) {
            if (this.needPositions) {
                return this.scanner.getLocationRange(
                    start,
                    end,
                    this.filename
                );
            }

            return null;
        },
        getLocationFromList: function(list) {
            if (this.needPositions) {
                var head = this.getFirstListNode(list);
                var tail = this.getLastListNode(list);
                return this.scanner.getLocationRange(
                    head !== null ? head.loc.start.offset - this.scanner.startOffset : this.scanner.tokenStart,
                    tail !== null ? tail.loc.end.offset - this.scanner.startOffset : this.scanner.tokenStart,
                    this.filename
                );
            }

            return null;
        }
    };

    config = processConfig(config || {});
    for (var key in config) {
        parser[key] = config[key];
    }

    return function(source, options) {
        options = options || {};

        var context = options.context || 'default';
        var ast;

        parser.scanner.setSource(source, options.offset, options.line, options.column);
        parser.filename = options.filename || '<unknown>';
        parser.needPositions = Boolean(options.positions);
        parser.onParseError = typeof options.onParseError === 'function' ? options.onParseError : noop;
        parser.onParseErrorThrow = false;
        parser.parseAtrulePrelude = 'parseAtrulePrelude' in options ? Boolean(options.parseAtrulePrelude) : true;
        parser.parseRulePrelude = 'parseRulePrelude' in options ? Boolean(options.parseRulePrelude) : true;
        parser.parseValue = 'parseValue' in options ? Boolean(options.parseValue) : true;
        parser.parseCustomProperty = 'parseCustomProperty' in options ? Boolean(options.parseCustomProperty) : false;

        if (!parser.context.hasOwnProperty(context)) {
            throw new Error('Unknown context `' + context + '`');
        }

        ast = parser.context[context].call(parser, options);

        if (!parser.scanner.eof) {
            parser.scanner.error();
        }

        return ast;
    };
};


/***/ }),
/* 111 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;
var WHITESPACE = TYPE.WhiteSpace;
var COMMENT = TYPE.Comment;

module.exports = function readSequence(recognizer) {
    var children = this.createList();
    var child = null;
    var context = {
        recognizer: recognizer,
        space: null,
        ignoreWS: false,
        ignoreWSAfter: false
    };

    this.scanner.skipSC();

    while (!this.scanner.eof) {
        switch (this.scanner.tokenType) {
            case COMMENT:
                this.scanner.next();
                continue;

            case WHITESPACE:
                if (context.ignoreWS) {
                    this.scanner.next();
                } else {
                    context.space = this.WhiteSpace();
                }
                continue;
        }

        child = recognizer.getNode.call(this, context);

        if (child === undefined) {
            break;
        }

        if (context.space !== null) {
            children.push(context.space);
            context.space = null;
        }

        children.push(child);

        if (context.ignoreWSAfter) {
            context.ignoreWSAfter = false;
            context.ignoreWS = true;
        } else {
            context.ignoreWS = false;
        }
    }

    return children;
};


/***/ }),
/* 112 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var sourceMap = __webpack_require__(113);
var hasOwnProperty = Object.prototype.hasOwnProperty;

function processChildren(node, delimeter) {
    var list = node.children;
    var prev = null;

    if (typeof delimeter !== 'function') {
        list.forEach(this.node, this);
    } else {
        list.forEach(function(node) {
            if (prev !== null) {
                delimeter.call(this, prev);
            }

            this.node(node);
            prev = node;
        }, this);
    }
}

module.exports = function createGenerator(config) {
    function processNode(node) {
        if (hasOwnProperty.call(types, node.type)) {
            types[node.type].call(this, node);
        } else {
            throw new Error('Unknown node type: ' + node.type);
        }
    }

    var types = {};

    if (config.node) {
        for (var name in config.node) {
            types[name] = config.node[name].generate;
        }
    }

    return function(node, options) {
        var buffer = '';
        var handlers = {
            children: processChildren,
            node: processNode,
            chunk: function(chunk) {
                buffer += chunk;
            },
            result: function() {
                return buffer;
            }
        };

        if (options) {
            if (typeof options.decorator === 'function') {
                handlers = options.decorator(handlers);
            }

            if (options.sourceMap) {
                handlers = sourceMap(handlers);
            }
        }

        handlers.node(node);

        return handlers.result();
    };
};


/***/ }),
/* 113 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var SourceMapGenerator = __webpack_require__(114).SourceMapGenerator;
var trackNodes = {
    Atrule: true,
    Selector: true,
    Declaration: true
};

module.exports = function generateSourceMap(handlers) {
    var map = new SourceMapGenerator();
    var line = 1;
    var column = 0;
    var generated = {
        line: 1,
        column: 0
    };
    var original = {
        line: 0, // should be zero to add first mapping
        column: 0
    };
    var sourceMappingActive = false;
    var activatedGenerated = {
        line: 1,
        column: 0
    };
    var activatedMapping = {
        generated: activatedGenerated
    };

    var handlersNode = handlers.node;
    handlers.node = function(node) {
        if (node.loc && node.loc.start && trackNodes.hasOwnProperty(node.type)) {
            var nodeLine = node.loc.start.line;
            var nodeColumn = node.loc.start.column - 1;

            if (original.line !== nodeLine ||
                original.column !== nodeColumn) {
                original.line = nodeLine;
                original.column = nodeColumn;

                generated.line = line;
                generated.column = column;

                if (sourceMappingActive) {
                    sourceMappingActive = false;
                    if (generated.line !== activatedGenerated.line ||
                        generated.column !== activatedGenerated.column) {
                        map.addMapping(activatedMapping);
                    }
                }

                sourceMappingActive = true;
                map.addMapping({
                    source: node.loc.source,
                    original: original,
                    generated: generated
                });
            }
        }

        handlersNode.call(this, node);

        if (sourceMappingActive && trackNodes.hasOwnProperty(node.type)) {
            activatedGenerated.line = line;
            activatedGenerated.column = column;
        }
    };

    var handlersChunk = handlers.chunk;
    handlers.chunk = function(chunk) {
        for (var i = 0; i < chunk.length; i++) {
            if (chunk.charCodeAt(i) === 10) { // \n
                line++;
                column = 0;
            } else {
                column++;
            }
        }

        handlersChunk(chunk);
    };

    var handlersResult = handlers.result;
    handlers.result = function() {
        if (sourceMappingActive) {
            map.addMapping(activatedMapping);
        }

        return {
            css: handlersResult(),
            map: map
        };
    };

    return handlers;
};


/***/ }),
/* 114 */
/***/ (function(module, exports, __webpack_require__) {

/*
 * Copyright 2009-2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE.txt or:
 * http://opensource.org/licenses/BSD-3-Clause
 */
exports.SourceMapGenerator = __webpack_require__(50).SourceMapGenerator;
exports.SourceMapConsumer = __webpack_require__(117).SourceMapConsumer;
exports.SourceNode = __webpack_require__(120).SourceNode;


/***/ }),
/* 115 */
/***/ (function(module, exports) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

var intToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');

/**
 * Encode an integer in the range of 0 to 63 to a single base 64 digit.
 */
exports.encode = function (number) {
  if (0 <= number && number < intToCharMap.length) {
    return intToCharMap[number];
  }
  throw new TypeError("Must be between 0 and 63: " + number);
};

/**
 * Decode a single base 64 character code digit to an integer. Returns -1 on
 * failure.
 */
exports.decode = function (charCode) {
  var bigA = 65;     // 'A'
  var bigZ = 90;     // 'Z'

  var littleA = 97;  // 'a'
  var littleZ = 122; // 'z'

  var zero = 48;     // '0'
  var nine = 57;     // '9'

  var plus = 43;     // '+'
  var slash = 47;    // '/'

  var littleOffset = 26;
  var numberOffset = 52;

  // 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ
  if (bigA <= charCode && charCode <= bigZ) {
    return (charCode - bigA);
  }

  // 26 - 51: abcdefghijklmnopqrstuvwxyz
  if (littleA <= charCode && charCode <= littleZ) {
    return (charCode - littleA + littleOffset);
  }

  // 52 - 61: 0123456789
  if (zero <= charCode && charCode <= nine) {
    return (charCode - zero + numberOffset);
  }

  // 62: +
  if (charCode == plus) {
    return 62;
  }

  // 63: /
  if (charCode == slash) {
    return 63;
  }

  // Invalid base64 digit.
  return -1;
};


/***/ }),
/* 116 */
/***/ (function(module, exports, __webpack_require__) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2014 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

var util = __webpack_require__(9);

/**
 * Determine whether mappingB is after mappingA with respect to generated
 * position.
 */
function generatedPositionAfter(mappingA, mappingB) {
  // Optimized for most common case
  var lineA = mappingA.generatedLine;
  var lineB = mappingB.generatedLine;
  var columnA = mappingA.generatedColumn;
  var columnB = mappingB.generatedColumn;
  return lineB > lineA || lineB == lineA && columnB >= columnA ||
         util.compareByGeneratedPositionsInflated(mappingA, mappingB) <= 0;
}

/**
 * A data structure to provide a sorted view of accumulated mappings in a
 * performance conscious manner. It trades a neglibable overhead in general
 * case for a large speedup in case of mappings being added in order.
 */
function MappingList() {
  this._array = [];
  this._sorted = true;
  // Serves as infimum
  this._last = {generatedLine: -1, generatedColumn: 0};
}

/**
 * Iterate through internal items. This method takes the same arguments that
 * `Array.prototype.forEach` takes.
 *
 * NOTE: The order of the mappings is NOT guaranteed.
 */
MappingList.prototype.unsortedForEach =
  function MappingList_forEach(aCallback, aThisArg) {
    this._array.forEach(aCallback, aThisArg);
  };

/**
 * Add the given source mapping.
 *
 * @param Object aMapping
 */
MappingList.prototype.add = function MappingList_add(aMapping) {
  if (generatedPositionAfter(this._last, aMapping)) {
    this._last = aMapping;
    this._array.push(aMapping);
  } else {
    this._sorted = false;
    this._array.push(aMapping);
  }
};

/**
 * Returns the flat, sorted array of mappings. The mappings are sorted by
 * generated position.
 *
 * WARNING: This method returns internal data without copying, for
 * performance. The return value must NOT be mutated, and should be treated as
 * an immutable borrow. If you want to take ownership, you must make your own
 * copy.
 */
MappingList.prototype.toArray = function MappingList_toArray() {
  if (!this._sorted) {
    this._array.sort(util.compareByGeneratedPositionsInflated);
    this._sorted = true;
  }
  return this._array;
};

exports.MappingList = MappingList;


/***/ }),
/* 117 */
/***/ (function(module, exports, __webpack_require__) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

var util = __webpack_require__(9);
var binarySearch = __webpack_require__(118);
var ArraySet = __webpack_require__(52).ArraySet;
var base64VLQ = __webpack_require__(51);
var quickSort = __webpack_require__(119).quickSort;

function SourceMapConsumer(aSourceMap) {
  var sourceMap = aSourceMap;
  if (typeof aSourceMap === 'string') {
    sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
  }

  return sourceMap.sections != null
    ? new IndexedSourceMapConsumer(sourceMap)
    : new BasicSourceMapConsumer(sourceMap);
}

SourceMapConsumer.fromSourceMap = function(aSourceMap) {
  return BasicSourceMapConsumer.fromSourceMap(aSourceMap);
}

/**
 * The version of the source mapping spec that we are consuming.
 */
SourceMapConsumer.prototype._version = 3;

// `__generatedMappings` and `__originalMappings` are arrays that hold the
// parsed mapping coordinates from the source map's "mappings" attribute. They
// are lazily instantiated, accessed via the `_generatedMappings` and
// `_originalMappings` getters respectively, and we only parse the mappings
// and create these arrays once queried for a source location. We jump through
// these hoops because there can be many thousands of mappings, and parsing
// them is expensive, so we only want to do it if we must.
//
// Each object in the arrays is of the form:
//
//     {
//       generatedLine: The line number in the generated code,
//       generatedColumn: The column number in the generated code,
//       source: The path to the original source file that generated this
//               chunk of code,
//       originalLine: The line number in the original source that
//                     corresponds to this chunk of generated code,
//       originalColumn: The column number in the original source that
//                       corresponds to this chunk of generated code,
//       name: The name of the original symbol which generated this chunk of
//             code.
//     }
//
// All properties except for `generatedLine` and `generatedColumn` can be
// `null`.
//
// `_generatedMappings` is ordered by the generated positions.
//
// `_originalMappings` is ordered by the original positions.

SourceMapConsumer.prototype.__generatedMappings = null;
Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', {
  get: function () {
    if (!this.__generatedMappings) {
      this._parseMappings(this._mappings, this.sourceRoot);
    }

    return this.__generatedMappings;
  }
});

SourceMapConsumer.prototype.__originalMappings = null;
Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', {
  get: function () {
    if (!this.__originalMappings) {
      this._parseMappings(this._mappings, this.sourceRoot);
    }

    return this.__originalMappings;
  }
});

SourceMapConsumer.prototype._charIsMappingSeparator =
  function SourceMapConsumer_charIsMappingSeparator(aStr, index) {
    var c = aStr.charAt(index);
    return c === ";" || c === ",";
  };

/**
 * Parse the mappings in a string in to a data structure which we can easily
 * query (the ordered arrays in the `this.__generatedMappings` and
 * `this.__originalMappings` properties).
 */
SourceMapConsumer.prototype._parseMappings =
  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
    throw new Error("Subclasses must implement _parseMappings");
  };

SourceMapConsumer.GENERATED_ORDER = 1;
SourceMapConsumer.ORIGINAL_ORDER = 2;

SourceMapConsumer.GREATEST_LOWER_BOUND = 1;
SourceMapConsumer.LEAST_UPPER_BOUND = 2;

/**
 * Iterate over each mapping between an original source/line/column and a
 * generated line/column in this source map.
 *
 * @param Function aCallback
 *        The function that is called with each mapping.
 * @param Object aContext
 *        Optional. If specified, this object will be the value of `this` every
 *        time that `aCallback` is called.
 * @param aOrder
 *        Either `SourceMapConsumer.GENERATED_ORDER` or
 *        `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to
 *        iterate over the mappings sorted by the generated file's line/column
 *        order or the original's source/line/column order, respectively. Defaults to
 *        `SourceMapConsumer.GENERATED_ORDER`.
 */
SourceMapConsumer.prototype.eachMapping =
  function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) {
    var context = aContext || null;
    var order = aOrder || SourceMapConsumer.GENERATED_ORDER;

    var mappings;
    switch (order) {
    case SourceMapConsumer.GENERATED_ORDER:
      mappings = this._generatedMappings;
      break;
    case SourceMapConsumer.ORIGINAL_ORDER:
      mappings = this._originalMappings;
      break;
    default:
      throw new Error("Unknown order of iteration.");
    }

    var sourceRoot = this.sourceRoot;
    mappings.map(function (mapping) {
      var source = mapping.source === null ? null : this._sources.at(mapping.source);
      if (source != null && sourceRoot != null) {
        source = util.join(sourceRoot, source);
      }
      return {
        source: source,
        generatedLine: mapping.generatedLine,
        generatedColumn: mapping.generatedColumn,
        originalLine: mapping.originalLine,
        originalColumn: mapping.originalColumn,
        name: mapping.name === null ? null : this._names.at(mapping.name)
      };
    }, this).forEach(aCallback, context);
  };

/**
 * Returns all generated line and column information for the original source,
 * line, and column provided. If no column is provided, returns all mappings
 * corresponding to a either the line we are searching for or the next
 * closest line that has any mappings. Otherwise, returns all mappings
 * corresponding to the given line and either the column we are searching for
 * or the next closest column that has any offsets.
 *
 * The only argument is an object with the following properties:
 *
 *   - source: The filename of the original source.
 *   - line: The line number in the original source.
 *   - column: Optional. the column number in the original source.
 *
 * and an array of objects is returned, each with the following properties:
 *
 *   - line: The line number in the generated source, or null.
 *   - column: The column number in the generated source, or null.
 */
SourceMapConsumer.prototype.allGeneratedPositionsFor =
  function SourceMapConsumer_allGeneratedPositionsFor(aArgs) {
    var line = util.getArg(aArgs, 'line');

    // When there is no exact match, BasicSourceMapConsumer.prototype._findMapping
    // returns the index of the closest mapping less than the needle. By
    // setting needle.originalColumn to 0, we thus find the last mapping for
    // the given line, provided such a mapping exists.
    var needle = {
      source: util.getArg(aArgs, 'source'),
      originalLine: line,
      originalColumn: util.getArg(aArgs, 'column', 0)
    };

    if (this.sourceRoot != null) {
      needle.source = util.relative(this.sourceRoot, needle.source);
    }
    if (!this._sources.has(needle.source)) {
      return [];
    }
    needle.source = this._sources.indexOf(needle.source);

    var mappings = [];

    var index = this._findMapping(needle,
                                  this._originalMappings,
                                  "originalLine",
                                  "originalColumn",
                                  util.compareByOriginalPositions,
                                  binarySearch.LEAST_UPPER_BOUND);
    if (index >= 0) {
      var mapping = this._originalMappings[index];

      if (aArgs.column === undefined) {
        var originalLine = mapping.originalLine;

        // Iterate until either we run out of mappings, or we run into
        // a mapping for a different line than the one we found. Since
        // mappings are sorted, this is guaranteed to find all mappings for
        // the line we found.
        while (mapping && mapping.originalLine === originalLine) {
          mappings.push({
            line: util.getArg(mapping, 'generatedLine', null),
            column: util.getArg(mapping, 'generatedColumn', null),
            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
          });

          mapping = this._originalMappings[++index];
        }
      } else {
        var originalColumn = mapping.originalColumn;

        // Iterate until either we run out of mappings, or we run into
        // a mapping for a different line than the one we were searching for.
        // Since mappings are sorted, this is guaranteed to find all mappings for
        // the line we are searching for.
        while (mapping &&
               mapping.originalLine === line &&
               mapping.originalColumn == originalColumn) {
          mappings.push({
            line: util.getArg(mapping, 'generatedLine', null),
            column: util.getArg(mapping, 'generatedColumn', null),
            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
          });

          mapping = this._originalMappings[++index];
        }
      }
    }

    return mappings;
  };

exports.SourceMapConsumer = SourceMapConsumer;

/**
 * A BasicSourceMapConsumer instance represents a parsed source map which we can
 * query for information about the original file positions by giving it a file
 * position in the generated source.
 *
 * The only parameter is the raw source map (either as a JSON string, or
 * already parsed to an object). According to the spec, source maps have the
 * following attributes:
 *
 *   - version: Which version of the source map spec this map is following.
 *   - sources: An array of URLs to the original source files.
 *   - names: An array of identifiers which can be referrenced by individual mappings.
 *   - sourceRoot: Optional. The URL root from which all sources are relative.
 *   - sourcesContent: Optional. An array of contents of the original source files.
 *   - mappings: A string of base64 VLQs which contain the actual mappings.
 *   - file: Optional. The generated file this source map is associated with.
 *
 * Here is an example source map, taken from the source map spec[0]:
 *
 *     {
 *       version : 3,
 *       file: "out.js",
 *       sourceRoot : "",
 *       sources: ["foo.js", "bar.js"],
 *       names: ["src", "maps", "are", "fun"],
 *       mappings: "AA,AB;;ABCDE;"
 *     }
 *
 * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#
 */
function BasicSourceMapConsumer(aSourceMap) {
  var sourceMap = aSourceMap;
  if (typeof aSourceMap === 'string') {
    sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
  }

  var version = util.getArg(sourceMap, 'version');
  var sources = util.getArg(sourceMap, 'sources');
  // Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which
  // requires the array) to play nice here.
  var names = util.getArg(sourceMap, 'names', []);
  var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null);
  var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null);
  var mappings = util.getArg(sourceMap, 'mappings');
  var file = util.getArg(sourceMap, 'file', null);

  // Once again, Sass deviates from the spec and supplies the version as a
  // string rather than a number, so we use loose equality checking here.
  if (version != this._version) {
    throw new Error('Unsupported version: ' + version);
  }

  sources = sources
    .map(String)
    // Some source maps produce relative source paths like "./foo.js" instead of
    // "foo.js".  Normalize these first so that future comparisons will succeed.
    // See bugzil.la/1090768.
    .map(util.normalize)
    // Always ensure that absolute sources are internally stored relative to
    // the source root, if the source root is absolute. Not doing this would
    // be particularly problematic when the source root is a prefix of the
    // source (valid, but why??). See github issue #199 and bugzil.la/1188982.
    .map(function (source) {
      return sourceRoot && util.isAbsolute(sourceRoot) && util.isAbsolute(source)
        ? util.relative(sourceRoot, source)
        : source;
    });

  // Pass `true` below to allow duplicate names and sources. While source maps
  // are intended to be compressed and deduplicated, the TypeScript compiler
  // sometimes generates source maps with duplicates in them. See Github issue
  // #72 and bugzil.la/889492.
  this._names = ArraySet.fromArray(names.map(String), true);
  this._sources = ArraySet.fromArray(sources, true);

  this.sourceRoot = sourceRoot;
  this.sourcesContent = sourcesContent;
  this._mappings = mappings;
  this.file = file;
}

BasicSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
BasicSourceMapConsumer.prototype.consumer = SourceMapConsumer;

/**
 * Create a BasicSourceMapConsumer from a SourceMapGenerator.
 *
 * @param SourceMapGenerator aSourceMap
 *        The source map that will be consumed.
 * @returns BasicSourceMapConsumer
 */
BasicSourceMapConsumer.fromSourceMap =
  function SourceMapConsumer_fromSourceMap(aSourceMap) {
    var smc = Object.create(BasicSourceMapConsumer.prototype);

    var names = smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true);
    var sources = smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true);
    smc.sourceRoot = aSourceMap._sourceRoot;
    smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(),
                                                            smc.sourceRoot);
    smc.file = aSourceMap._file;

    // Because we are modifying the entries (by converting string sources and
    // names to indices into the sources and names ArraySets), we have to make
    // a copy of the entry or else bad things happen. Shared mutable state
    // strikes again! See github issue #191.

    var generatedMappings = aSourceMap._mappings.toArray().slice();
    var destGeneratedMappings = smc.__generatedMappings = [];
    var destOriginalMappings = smc.__originalMappings = [];

    for (var i = 0, length = generatedMappings.length; i < length; i++) {
      var srcMapping = generatedMappings[i];
      var destMapping = new Mapping;
      destMapping.generatedLine = srcMapping.generatedLine;
      destMapping.generatedColumn = srcMapping.generatedColumn;

      if (srcMapping.source) {
        destMapping.source = sources.indexOf(srcMapping.source);
        destMapping.originalLine = srcMapping.originalLine;
        destMapping.originalColumn = srcMapping.originalColumn;

        if (srcMapping.name) {
          destMapping.name = names.indexOf(srcMapping.name);
        }

        destOriginalMappings.push(destMapping);
      }

      destGeneratedMappings.push(destMapping);
    }

    quickSort(smc.__originalMappings, util.compareByOriginalPositions);

    return smc;
  };

/**
 * The version of the source mapping spec that we are consuming.
 */
BasicSourceMapConsumer.prototype._version = 3;

/**
 * The list of original sources.
 */
Object.defineProperty(BasicSourceMapConsumer.prototype, 'sources', {
  get: function () {
    return this._sources.toArray().map(function (s) {
      return this.sourceRoot != null ? util.join(this.sourceRoot, s) : s;
    }, this);
  }
});

/**
 * Provide the JIT with a nice shape / hidden class.
 */
function Mapping() {
  this.generatedLine = 0;
  this.generatedColumn = 0;
  this.source = null;
  this.originalLine = null;
  this.originalColumn = null;
  this.name = null;
}

/**
 * Parse the mappings in a string in to a data structure which we can easily
 * query (the ordered arrays in the `this.__generatedMappings` and
 * `this.__originalMappings` properties).
 */
BasicSourceMapConsumer.prototype._parseMappings =
  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
    var generatedLine = 1;
    var previousGeneratedColumn = 0;
    var previousOriginalLine = 0;
    var previousOriginalColumn = 0;
    var previousSource = 0;
    var previousName = 0;
    var length = aStr.length;
    var index = 0;
    var cachedSegments = {};
    var temp = {};
    var originalMappings = [];
    var generatedMappings = [];
    var mapping, str, segment, end, value;

    while (index < length) {
      if (aStr.charAt(index) === ';') {
        generatedLine++;
        index++;
        previousGeneratedColumn = 0;
      }
      else if (aStr.charAt(index) === ',') {
        index++;
      }
      else {
        mapping = new Mapping();
        mapping.generatedLine = generatedLine;

        // Because each offset is encoded relative to the previous one,
        // many segments often have the same encoding. We can exploit this
        // fact by caching the parsed variable length fields of each segment,
        // allowing us to avoid a second parse if we encounter the same
        // segment again.
        for (end = index; end < length; end++) {
          if (this._charIsMappingSeparator(aStr, end)) {
            break;
          }
        }
        str = aStr.slice(index, end);

        segment = cachedSegments[str];
        if (segment) {
          index += str.length;
        } else {
          segment = [];
          while (index < end) {
            base64VLQ.decode(aStr, index, temp);
            value = temp.value;
            index = temp.rest;
            segment.push(value);
          }

          if (segment.length === 2) {
            throw new Error('Found a source, but no line and column');
          }

          if (segment.length === 3) {
            throw new Error('Found a source and line, but no column');
          }

          cachedSegments[str] = segment;
        }

        // Generated column.
        mapping.generatedColumn = previousGeneratedColumn + segment[0];
        previousGeneratedColumn = mapping.generatedColumn;

        if (segment.length > 1) {
          // Original source.
          mapping.source = previousSource + segment[1];
          previousSource += segment[1];

          // Original line.
          mapping.originalLine = previousOriginalLine + segment[2];
          previousOriginalLine = mapping.originalLine;
          // Lines are stored 0-based
          mapping.originalLine += 1;

          // Original column.
          mapping.originalColumn = previousOriginalColumn + segment[3];
          previousOriginalColumn = mapping.originalColumn;

          if (segment.length > 4) {
            // Original name.
            mapping.name = previousName + segment[4];
            previousName += segment[4];
          }
        }

        generatedMappings.push(mapping);
        if (typeof mapping.originalLine === 'number') {
          originalMappings.push(mapping);
        }
      }
    }

    quickSort(generatedMappings, util.compareByGeneratedPositionsDeflated);
    this.__generatedMappings = generatedMappings;

    quickSort(originalMappings, util.compareByOriginalPositions);
    this.__originalMappings = originalMappings;
  };

/**
 * Find the mapping that best matches the hypothetical "needle" mapping that
 * we are searching for in the given "haystack" of mappings.
 */
BasicSourceMapConsumer.prototype._findMapping =
  function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName,
                                         aColumnName, aComparator, aBias) {
    // To return the position we are searching for, we must first find the
    // mapping for the given position and then return the opposite position it
    // points to. Because the mappings are sorted, we can use binary search to
    // find the best mapping.

    if (aNeedle[aLineName] <= 0) {
      throw new TypeError('Line must be greater than or equal to 1, got '
                          + aNeedle[aLineName]);
    }
    if (aNeedle[aColumnName] < 0) {
      throw new TypeError('Column must be greater than or equal to 0, got '
                          + aNeedle[aColumnName]);
    }

    return binarySearch.search(aNeedle, aMappings, aComparator, aBias);
  };

/**
 * Compute the last column for each generated mapping. The last column is
 * inclusive.
 */
BasicSourceMapConsumer.prototype.computeColumnSpans =
  function SourceMapConsumer_computeColumnSpans() {
    for (var index = 0; index < this._generatedMappings.length; ++index) {
      var mapping = this._generatedMappings[index];

      // Mappings do not contain a field for the last generated columnt. We
      // can come up with an optimistic estimate, however, by assuming that
      // mappings are contiguous (i.e. given two consecutive mappings, the
      // first mapping ends where the second one starts).
      if (index + 1 < this._generatedMappings.length) {
        var nextMapping = this._generatedMappings[index + 1];

        if (mapping.generatedLine === nextMapping.generatedLine) {
          mapping.lastGeneratedColumn = nextMapping.generatedColumn - 1;
          continue;
        }
      }

      // The last mapping for each line spans the entire line.
      mapping.lastGeneratedColumn = Infinity;
    }
  };

/**
 * Returns the original source, line, and column information for the generated
 * source's line and column positions provided. The only argument is an object
 * with the following properties:
 *
 *   - line: The line number in the generated source.
 *   - column: The column number in the generated source.
 *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
 *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
 *     closest element that is smaller than or greater than the one we are
 *     searching for, respectively, if the exact element cannot be found.
 *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
 *
 * and an object is returned with the following properties:
 *
 *   - source: The original source file, or null.
 *   - line: The line number in the original source, or null.
 *   - column: The column number in the original source, or null.
 *   - name: The original identifier, or null.
 */
BasicSourceMapConsumer.prototype.originalPositionFor =
  function SourceMapConsumer_originalPositionFor(aArgs) {
    var needle = {
      generatedLine: util.getArg(aArgs, 'line'),
      generatedColumn: util.getArg(aArgs, 'column')
    };

    var index = this._findMapping(
      needle,
      this._generatedMappings,
      "generatedLine",
      "generatedColumn",
      util.compareByGeneratedPositionsDeflated,
      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
    );

    if (index >= 0) {
      var mapping = this._generatedMappings[index];

      if (mapping.generatedLine === needle.generatedLine) {
        var source = util.getArg(mapping, 'source', null);
        if (source !== null) {
          source = this._sources.at(source);
          if (this.sourceRoot != null) {
            source = util.join(this.sourceRoot, source);
          }
        }
        var name = util.getArg(mapping, 'name', null);
        if (name !== null) {
          name = this._names.at(name);
        }
        return {
          source: source,
          line: util.getArg(mapping, 'originalLine', null),
          column: util.getArg(mapping, 'originalColumn', null),
          name: name
        };
      }
    }

    return {
      source: null,
      line: null,
      column: null,
      name: null
    };
  };

/**
 * Return true if we have the source content for every source in the source
 * map, false otherwise.
 */
BasicSourceMapConsumer.prototype.hasContentsOfAllSources =
  function BasicSourceMapConsumer_hasContentsOfAllSources() {
    if (!this.sourcesContent) {
      return false;
    }
    return this.sourcesContent.length >= this._sources.size() &&
      !this.sourcesContent.some(function (sc) { return sc == null; });
  };

/**
 * Returns the original source content. The only argument is the url of the
 * original source file. Returns null if no original source content is
 * available.
 */
BasicSourceMapConsumer.prototype.sourceContentFor =
  function SourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
    if (!this.sourcesContent) {
      return null;
    }

    if (this.sourceRoot != null) {
      aSource = util.relative(this.sourceRoot, aSource);
    }

    if (this._sources.has(aSource)) {
      return this.sourcesContent[this._sources.indexOf(aSource)];
    }

    var url;
    if (this.sourceRoot != null
        && (url = util.urlParse(this.sourceRoot))) {
      // XXX: file:// URIs and absolute paths lead to unexpected behavior for
      // many users. We can help them out when they expect file:// URIs to
      // behave like it would if they were running a local HTTP server. See
      // https://bugzilla.mozilla.org/show_bug.cgi?id=885597.
      var fileUriAbsPath = aSource.replace(/^file:\/\//, "");
      if (url.scheme == "file"
          && this._sources.has(fileUriAbsPath)) {
        return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)]
      }

      if ((!url.path || url.path == "/")
          && this._sources.has("/" + aSource)) {
        return this.sourcesContent[this._sources.indexOf("/" + aSource)];
      }
    }

    // This function is used recursively from
    // IndexedSourceMapConsumer.prototype.sourceContentFor. In that case, we
    // don't want to throw if we can't find the source - we just want to
    // return null, so we provide a flag to exit gracefully.
    if (nullOnMissing) {
      return null;
    }
    else {
      throw new Error('"' + aSource + '" is not in the SourceMap.');
    }
  };

/**
 * Returns the generated line and column information for the original source,
 * line, and column positions provided. The only argument is an object with
 * the following properties:
 *
 *   - source: The filename of the original source.
 *   - line: The line number in the original source.
 *   - column: The column number in the original source.
 *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
 *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
 *     closest element that is smaller than or greater than the one we are
 *     searching for, respectively, if the exact element cannot be found.
 *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
 *
 * and an object is returned with the following properties:
 *
 *   - line: The line number in the generated source, or null.
 *   - column: The column number in the generated source, or null.
 */
BasicSourceMapConsumer.prototype.generatedPositionFor =
  function SourceMapConsumer_generatedPositionFor(aArgs) {
    var source = util.getArg(aArgs, 'source');
    if (this.sourceRoot != null) {
      source = util.relative(this.sourceRoot, source);
    }
    if (!this._sources.has(source)) {
      return {
        line: null,
        column: null,
        lastColumn: null
      };
    }
    source = this._sources.indexOf(source);

    var needle = {
      source: source,
      originalLine: util.getArg(aArgs, 'line'),
      originalColumn: util.getArg(aArgs, 'column')
    };

    var index = this._findMapping(
      needle,
      this._originalMappings,
      "originalLine",
      "originalColumn",
      util.compareByOriginalPositions,
      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
    );

    if (index >= 0) {
      var mapping = this._originalMappings[index];

      if (mapping.source === needle.source) {
        return {
          line: util.getArg(mapping, 'generatedLine', null),
          column: util.getArg(mapping, 'generatedColumn', null),
          lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
        };
      }
    }

    return {
      line: null,
      column: null,
      lastColumn: null
    };
  };

exports.BasicSourceMapConsumer = BasicSourceMapConsumer;

/**
 * An IndexedSourceMapConsumer instance represents a parsed source map which
 * we can query for information. It differs from BasicSourceMapConsumer in
 * that it takes "indexed" source maps (i.e. ones with a "sections" field) as
 * input.
 *
 * The only parameter is a raw source map (either as a JSON string, or already
 * parsed to an object). According to the spec for indexed source maps, they
 * have the following attributes:
 *
 *   - version: Which version of the source map spec this map is following.
 *   - file: Optional. The generated file this source map is associated with.
 *   - sections: A list of section definitions.
 *
 * Each value under the "sections" field has two fields:
 *   - offset: The offset into the original specified at which this section
 *       begins to apply, defined as an object with a "line" and "column"
 *       field.
 *   - map: A source map definition. This source map could also be indexed,
 *       but doesn't have to be.
 *
 * Instead of the "map" field, it's also possible to have a "url" field
 * specifying a URL to retrieve a source map from, but that's currently
 * unsupported.
 *
 * Here's an example source map, taken from the source map spec[0], but
 * modified to omit a section which uses the "url" field.
 *
 *  {
 *    version : 3,
 *    file: "app.js",
 *    sections: [{
 *      offset: {line:100, column:10},
 *      map: {
 *        version : 3,
 *        file: "section.js",
 *        sources: ["foo.js", "bar.js"],
 *        names: ["src", "maps", "are", "fun"],
 *        mappings: "AAAA,E;;ABCDE;"
 *      }
 *    }],
 *  }
 *
 * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#heading=h.535es3xeprgt
 */
function IndexedSourceMapConsumer(aSourceMap) {
  var sourceMap = aSourceMap;
  if (typeof aSourceMap === 'string') {
    sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
  }

  var version = util.getArg(sourceMap, 'version');
  var sections = util.getArg(sourceMap, 'sections');

  if (version != this._version) {
    throw new Error('Unsupported version: ' + version);
  }

  this._sources = new ArraySet();
  this._names = new ArraySet();

  var lastOffset = {
    line: -1,
    column: 0
  };
  this._sections = sections.map(function (s) {
    if (s.url) {
      // The url field will require support for asynchronicity.
      // See https://github.com/mozilla/source-map/issues/16
      throw new Error('Support for url field in sections not implemented.');
    }
    var offset = util.getArg(s, 'offset');
    var offsetLine = util.getArg(offset, 'line');
    var offsetColumn = util.getArg(offset, 'column');

    if (offsetLine < lastOffset.line ||
        (offsetLine === lastOffset.line && offsetColumn < lastOffset.column)) {
      throw new Error('Section offsets must be ordered and non-overlapping.');
    }
    lastOffset = offset;

    return {
      generatedOffset: {
        // The offset fields are 0-based, but we use 1-based indices when
        // encoding/decoding from VLQ.
        generatedLine: offsetLine + 1,
        generatedColumn: offsetColumn + 1
      },
      consumer: new SourceMapConsumer(util.getArg(s, 'map'))
    }
  });
}

IndexedSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
IndexedSourceMapConsumer.prototype.constructor = SourceMapConsumer;

/**
 * The version of the source mapping spec that we are consuming.
 */
IndexedSourceMapConsumer.prototype._version = 3;

/**
 * The list of original sources.
 */
Object.defineProperty(IndexedSourceMapConsumer.prototype, 'sources', {
  get: function () {
    var sources = [];
    for (var i = 0; i < this._sections.length; i++) {
      for (var j = 0; j < this._sections[i].consumer.sources.length; j++) {
        sources.push(this._sections[i].consumer.sources[j]);
      }
    }
    return sources;
  }
});

/**
 * Returns the original source, line, and column information for the generated
 * source's line and column positions provided. The only argument is an object
 * with the following properties:
 *
 *   - line: The line number in the generated source.
 *   - column: The column number in the generated source.
 *
 * and an object is returned with the following properties:
 *
 *   - source: The original source file, or null.
 *   - line: The line number in the original source, or null.
 *   - column: The column number in the original source, or null.
 *   - name: The original identifier, or null.
 */
IndexedSourceMapConsumer.prototype.originalPositionFor =
  function IndexedSourceMapConsumer_originalPositionFor(aArgs) {
    var needle = {
      generatedLine: util.getArg(aArgs, 'line'),
      generatedColumn: util.getArg(aArgs, 'column')
    };

    // Find the section containing the generated position we're trying to map
    // to an original position.
    var sectionIndex = binarySearch.search(needle, this._sections,
      function(needle, section) {
        var cmp = needle.generatedLine - section.generatedOffset.generatedLine;
        if (cmp) {
          return cmp;
        }

        return (needle.generatedColumn -
                section.generatedOffset.generatedColumn);
      });
    var section = this._sections[sectionIndex];

    if (!section) {
      return {
        source: null,
        line: null,
        column: null,
        name: null
      };
    }

    return section.consumer.originalPositionFor({
      line: needle.generatedLine -
        (section.generatedOffset.generatedLine - 1),
      column: needle.generatedColumn -
        (section.generatedOffset.generatedLine === needle.generatedLine
         ? section.generatedOffset.generatedColumn - 1
         : 0),
      bias: aArgs.bias
    });
  };

/**
 * Return true if we have the source content for every source in the source
 * map, false otherwise.
 */
IndexedSourceMapConsumer.prototype.hasContentsOfAllSources =
  function IndexedSourceMapConsumer_hasContentsOfAllSources() {
    return this._sections.every(function (s) {
      return s.consumer.hasContentsOfAllSources();
    });
  };

/**
 * Returns the original source content. The only argument is the url of the
 * original source file. Returns null if no original source content is
 * available.
 */
IndexedSourceMapConsumer.prototype.sourceContentFor =
  function IndexedSourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
    for (var i = 0; i < this._sections.length; i++) {
      var section = this._sections[i];

      var content = section.consumer.sourceContentFor(aSource, true);
      if (content) {
        return content;
      }
    }
    if (nullOnMissing) {
      return null;
    }
    else {
      throw new Error('"' + aSource + '" is not in the SourceMap.');
    }
  };

/**
 * Returns the generated line and column information for the original source,
 * line, and column positions provided. The only argument is an object with
 * the following properties:
 *
 *   - source: The filename of the original source.
 *   - line: The line number in the original source.
 *   - column: The column number in the original source.
 *
 * and an object is returned with the following properties:
 *
 *   - line: The line number in the generated source, or null.
 *   - column: The column number in the generated source, or null.
 */
IndexedSourceMapConsumer.prototype.generatedPositionFor =
  function IndexedSourceMapConsumer_generatedPositionFor(aArgs) {
    for (var i = 0; i < this._sections.length; i++) {
      var section = this._sections[i];

      // Only consider this section if the requested source is in the list of
      // sources of the consumer.
      if (section.consumer.sources.indexOf(util.getArg(aArgs, 'source')) === -1) {
        continue;
      }
      var generatedPosition = section.consumer.generatedPositionFor(aArgs);
      if (generatedPosition) {
        var ret = {
          line: generatedPosition.line +
            (section.generatedOffset.generatedLine - 1),
          column: generatedPosition.column +
            (section.generatedOffset.generatedLine === generatedPosition.line
             ? section.generatedOffset.generatedColumn - 1
             : 0)
        };
        return ret;
      }
    }

    return {
      line: null,
      column: null
    };
  };

/**
 * Parse the mappings in a string in to a data structure which we can easily
 * query (the ordered arrays in the `this.__generatedMappings` and
 * `this.__originalMappings` properties).
 */
IndexedSourceMapConsumer.prototype._parseMappings =
  function IndexedSourceMapConsumer_parseMappings(aStr, aSourceRoot) {
    this.__generatedMappings = [];
    this.__originalMappings = [];
    for (var i = 0; i < this._sections.length; i++) {
      var section = this._sections[i];
      var sectionMappings = section.consumer._generatedMappings;
      for (var j = 0; j < sectionMappings.length; j++) {
        var mapping = sectionMappings[j];

        var source = section.consumer._sources.at(mapping.source);
        if (section.consumer.sourceRoot !== null) {
          source = util.join(section.consumer.sourceRoot, source);
        }
        this._sources.add(source);
        source = this._sources.indexOf(source);

        var name = section.consumer._names.at(mapping.name);
        this._names.add(name);
        name = this._names.indexOf(name);

        // The mappings coming from the consumer for the section have
        // generated positions relative to the start of the section, so we
        // need to offset them to be relative to the start of the concatenated
        // generated file.
        var adjustedMapping = {
          source: source,
          generatedLine: mapping.generatedLine +
            (section.generatedOffset.generatedLine - 1),
          generatedColumn: mapping.generatedColumn +
            (section.generatedOffset.generatedLine === mapping.generatedLine
            ? section.generatedOffset.generatedColumn - 1
            : 0),
          originalLine: mapping.originalLine,
          originalColumn: mapping.originalColumn,
          name: name
        };

        this.__generatedMappings.push(adjustedMapping);
        if (typeof adjustedMapping.originalLine === 'number') {
          this.__originalMappings.push(adjustedMapping);
        }
      }
    }

    quickSort(this.__generatedMappings, util.compareByGeneratedPositionsDeflated);
    quickSort(this.__originalMappings, util.compareByOriginalPositions);
  };

exports.IndexedSourceMapConsumer = IndexedSourceMapConsumer;


/***/ }),
/* 118 */
/***/ (function(module, exports) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

exports.GREATEST_LOWER_BOUND = 1;
exports.LEAST_UPPER_BOUND = 2;

/**
 * Recursive implementation of binary search.
 *
 * @param aLow Indices here and lower do not contain the needle.
 * @param aHigh Indices here and higher do not contain the needle.
 * @param aNeedle The element being searched for.
 * @param aHaystack The non-empty array being searched.
 * @param aCompare Function which takes two elements and returns -1, 0, or 1.
 * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
 *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
 *     closest element that is smaller than or greater than the one we are
 *     searching for, respectively, if the exact element cannot be found.
 */
function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare, aBias) {
  // This function terminates when one of the following is true:
  //
  //   1. We find the exact element we are looking for.
  //
  //   2. We did not find the exact element, but we can return the index of
  //      the next-closest element.
  //
  //   3. We did not find the exact element, and there is no next-closest
  //      element than the one we are searching for, so we return -1.
  var mid = Math.floor((aHigh - aLow) / 2) + aLow;
  var cmp = aCompare(aNeedle, aHaystack[mid], true);
  if (cmp === 0) {
    // Found the element we are looking for.
    return mid;
  }
  else if (cmp > 0) {
    // Our needle is greater than aHaystack[mid].
    if (aHigh - mid > 1) {
      // The element is in the upper half.
      return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare, aBias);
    }

    // The exact needle element was not found in this haystack. Determine if
    // we are in termination case (3) or (2) and return the appropriate thing.
    if (aBias == exports.LEAST_UPPER_BOUND) {
      return aHigh < aHaystack.length ? aHigh : -1;
    } else {
      return mid;
    }
  }
  else {
    // Our needle is less than aHaystack[mid].
    if (mid - aLow > 1) {
      // The element is in the lower half.
      return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare, aBias);
    }

    // we are in termination case (3) or (2) and return the appropriate thing.
    if (aBias == exports.LEAST_UPPER_BOUND) {
      return mid;
    } else {
      return aLow < 0 ? -1 : aLow;
    }
  }
}

/**
 * This is an implementation of binary search which will always try and return
 * the index of the closest element if there is no exact hit. This is because
 * mappings between original and generated line/col pairs are single points,
 * and there is an implicit region between each of them, so a miss just means
 * that you aren't on the very start of a region.
 *
 * @param aNeedle The element you are looking for.
 * @param aHaystack The array that is being searched.
 * @param aCompare A function which takes the needle and an element in the
 *     array and returns -1, 0, or 1 depending on whether the needle is less
 *     than, equal to, or greater than the element, respectively.
 * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
 *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
 *     closest element that is smaller than or greater than the one we are
 *     searching for, respectively, if the exact element cannot be found.
 *     Defaults to 'binarySearch.GREATEST_LOWER_BOUND'.
 */
exports.search = function search(aNeedle, aHaystack, aCompare, aBias) {
  if (aHaystack.length === 0) {
    return -1;
  }

  var index = recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack,
                              aCompare, aBias || exports.GREATEST_LOWER_BOUND);
  if (index < 0) {
    return -1;
  }

  // We have found either the exact element, or the next-closest element than
  // the one we are searching for. However, there may be more than one such
  // element. Make sure we always return the smallest of these.
  while (index - 1 >= 0) {
    if (aCompare(aHaystack[index], aHaystack[index - 1], true) !== 0) {
      break;
    }
    --index;
  }

  return index;
};


/***/ }),
/* 119 */
/***/ (function(module, exports) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

// It turns out that some (most?) JavaScript engines don't self-host
// `Array.prototype.sort`. This makes sense because C++ will likely remain
// faster than JS when doing raw CPU-intensive sorting. However, when using a
// custom comparator function, calling back and forth between the VM's C++ and
// JIT'd JS is rather slow *and* loses JIT type information, resulting in
// worse generated code for the comparator function than would be optimal. In
// fact, when sorting with a comparator, these costs outweigh the benefits of
// sorting in C++. By using our own JS-implemented Quick Sort (below), we get
// a ~3500ms mean speed-up in `bench/bench.html`.

/**
 * Swap the elements indexed by `x` and `y` in the array `ary`.
 *
 * @param {Array} ary
 *        The array.
 * @param {Number} x
 *        The index of the first item.
 * @param {Number} y
 *        The index of the second item.
 */
function swap(ary, x, y) {
  var temp = ary[x];
  ary[x] = ary[y];
  ary[y] = temp;
}

/**
 * Returns a random integer within the range `low .. high` inclusive.
 *
 * @param {Number} low
 *        The lower bound on the range.
 * @param {Number} high
 *        The upper bound on the range.
 */
function randomIntInRange(low, high) {
  return Math.round(low + (Math.random() * (high - low)));
}

/**
 * The Quick Sort algorithm.
 *
 * @param {Array} ary
 *        An array to sort.
 * @param {function} comparator
 *        Function to use to compare two items.
 * @param {Number} p
 *        Start index of the array
 * @param {Number} r
 *        End index of the array
 */
function doQuickSort(ary, comparator, p, r) {
  // If our lower bound is less than our upper bound, we (1) partition the
  // array into two pieces and (2) recurse on each half. If it is not, this is
  // the empty array and our base case.

  if (p < r) {
    // (1) Partitioning.
    //
    // The partitioning chooses a pivot between `p` and `r` and moves all
    // elements that are less than or equal to the pivot to the before it, and
    // all the elements that are greater than it after it. The effect is that
    // once partition is done, the pivot is in the exact place it will be when
    // the array is put in sorted order, and it will not need to be moved
    // again. This runs in O(n) time.

    // Always choose a random pivot so that an input array which is reverse
    // sorted does not cause O(n^2) running time.
    var pivotIndex = randomIntInRange(p, r);
    var i = p - 1;

    swap(ary, pivotIndex, r);
    var pivot = ary[r];

    // Immediately after `j` is incremented in this loop, the following hold
    // true:
    //
    //   * Every element in `ary[p .. i]` is less than or equal to the pivot.
    //
    //   * Every element in `ary[i+1 .. j-1]` is greater than the pivot.
    for (var j = p; j < r; j++) {
      if (comparator(ary[j], pivot) <= 0) {
        i += 1;
        swap(ary, i, j);
      }
    }

    swap(ary, i + 1, j);
    var q = i + 1;

    // (2) Recurse on each half.

    doQuickSort(ary, comparator, p, q - 1);
    doQuickSort(ary, comparator, q + 1, r);
  }
}

/**
 * Sort the given array in-place with the given comparator function.
 *
 * @param {Array} ary
 *        An array to sort.
 * @param {function} comparator
 *        Function to use to compare two items.
 */
exports.quickSort = function (ary, comparator) {
  doQuickSort(ary, comparator, 0, ary.length - 1);
};


/***/ }),
/* 120 */
/***/ (function(module, exports, __webpack_require__) {

/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */

var SourceMapGenerator = __webpack_require__(50).SourceMapGenerator;
var util = __webpack_require__(9);

// Matches a Windows-style `\r\n` newline or a `\n` newline used by all other
// operating systems these days (capturing the result).
var REGEX_NEWLINE = /(\r?\n)/;

// Newline character code for charCodeAt() comparisons
var NEWLINE_CODE = 10;

// Private symbol for identifying `SourceNode`s when multiple versions of
// the source-map library are loaded. This MUST NOT CHANGE across
// versions!
var isSourceNode = "$$$isSourceNode$$$";

/**
 * SourceNodes provide a way to abstract over interpolating/concatenating
 * snippets of generated JavaScript source code while maintaining the line and
 * column information associated with the original source code.
 *
 * @param aLine The original line number.
 * @param aColumn The original column number.
 * @param aSource The original source's filename.
 * @param aChunks Optional. An array of strings which are snippets of
 *        generated JS, or other SourceNodes.
 * @param aName The original identifier.
 */
function SourceNode(aLine, aColumn, aSource, aChunks, aName) {
  this.children = [];
  this.sourceContents = {};
  this.line = aLine == null ? null : aLine;
  this.column = aColumn == null ? null : aColumn;
  this.source = aSource == null ? null : aSource;
  this.name = aName == null ? null : aName;
  this[isSourceNode] = true;
  if (aChunks != null) this.add(aChunks);
}

/**
 * Creates a SourceNode from generated code and a SourceMapConsumer.
 *
 * @param aGeneratedCode The generated code
 * @param aSourceMapConsumer The SourceMap for the generated code
 * @param aRelativePath Optional. The path that relative sources in the
 *        SourceMapConsumer should be relative to.
 */
SourceNode.fromStringWithSourceMap =
  function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer, aRelativePath) {
    // The SourceNode we want to fill with the generated code
    // and the SourceMap
    var node = new SourceNode();

    // All even indices of this array are one line of the generated code,
    // while all odd indices are the newlines between two adjacent lines
    // (since `REGEX_NEWLINE` captures its match).
    // Processed fragments are accessed by calling `shiftNextLine`.
    var remainingLines = aGeneratedCode.split(REGEX_NEWLINE);
    var remainingLinesIndex = 0;
    var shiftNextLine = function() {
      var lineContents = getNextLine();
      // The last line of a file might not have a newline.
      var newLine = getNextLine() || "";
      return lineContents + newLine;

      function getNextLine() {
        return remainingLinesIndex < remainingLines.length ?
            remainingLines[remainingLinesIndex++] : undefined;
      }
    };

    // We need to remember the position of "remainingLines"
    var lastGeneratedLine = 1, lastGeneratedColumn = 0;

    // The generate SourceNodes we need a code range.
    // To extract it current and last mapping is used.
    // Here we store the last mapping.
    var lastMapping = null;

    aSourceMapConsumer.eachMapping(function (mapping) {
      if (lastMapping !== null) {
        // We add the code from "lastMapping" to "mapping":
        // First check if there is a new line in between.
        if (lastGeneratedLine < mapping.generatedLine) {
          // Associate first line with "lastMapping"
          addMappingWithCode(lastMapping, shiftNextLine());
          lastGeneratedLine++;
          lastGeneratedColumn = 0;
          // The remaining code is added without mapping
        } else {
          // There is no new line in between.
          // Associate the code between "lastGeneratedColumn" and
          // "mapping.generatedColumn" with "lastMapping"
          var nextLine = remainingLines[remainingLinesIndex];
          var code = nextLine.substr(0, mapping.generatedColumn -
                                        lastGeneratedColumn);
          remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn -
                                              lastGeneratedColumn);
          lastGeneratedColumn = mapping.generatedColumn;
          addMappingWithCode(lastMapping, code);
          // No more remaining code, continue
          lastMapping = mapping;
          return;
        }
      }
      // We add the generated code until the first mapping
      // to the SourceNode without any mapping.
      // Each line is added as separate string.
      while (lastGeneratedLine < mapping.generatedLine) {
        node.add(shiftNextLine());
        lastGeneratedLine++;
      }
      if (lastGeneratedColumn < mapping.generatedColumn) {
        var nextLine = remainingLines[remainingLinesIndex];
        node.add(nextLine.substr(0, mapping.generatedColumn));
        remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn);
        lastGeneratedColumn = mapping.generatedColumn;
      }
      lastMapping = mapping;
    }, this);
    // We have processed all mappings.
    if (remainingLinesIndex < remainingLines.length) {
      if (lastMapping) {
        // Associate the remaining code in the current line with "lastMapping"
        addMappingWithCode(lastMapping, shiftNextLine());
      }
      // and add the remaining lines without any mapping
      node.add(remainingLines.splice(remainingLinesIndex).join(""));
    }

    // Copy sourcesContent into SourceNode
    aSourceMapConsumer.sources.forEach(function (sourceFile) {
      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
      if (content != null) {
        if (aRelativePath != null) {
          sourceFile = util.join(aRelativePath, sourceFile);
        }
        node.setSourceContent(sourceFile, content);
      }
    });

    return node;

    function addMappingWithCode(mapping, code) {
      if (mapping === null || mapping.source === undefined) {
        node.add(code);
      } else {
        var source = aRelativePath
          ? util.join(aRelativePath, mapping.source)
          : mapping.source;
        node.add(new SourceNode(mapping.originalLine,
                                mapping.originalColumn,
                                source,
                                code,
                                mapping.name));
      }
    }
  };

/**
 * Add a chunk of generated JS to this source node.
 *
 * @param aChunk A string snippet of generated JS code, another instance of
 *        SourceNode, or an array where each member is one of those things.
 */
SourceNode.prototype.add = function SourceNode_add(aChunk) {
  if (Array.isArray(aChunk)) {
    aChunk.forEach(function (chunk) {
      this.add(chunk);
    }, this);
  }
  else if (aChunk[isSourceNode] || typeof aChunk === "string") {
    if (aChunk) {
      this.children.push(aChunk);
    }
  }
  else {
    throw new TypeError(
      "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
    );
  }
  return this;
};

/**
 * Add a chunk of generated JS to the beginning of this source node.
 *
 * @param aChunk A string snippet of generated JS code, another instance of
 *        SourceNode, or an array where each member is one of those things.
 */
SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) {
  if (Array.isArray(aChunk)) {
    for (var i = aChunk.length-1; i >= 0; i--) {
      this.prepend(aChunk[i]);
    }
  }
  else if (aChunk[isSourceNode] || typeof aChunk === "string") {
    this.children.unshift(aChunk);
  }
  else {
    throw new TypeError(
      "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
    );
  }
  return this;
};

/**
 * Walk over the tree of JS snippets in this node and its children. The
 * walking function is called once for each snippet of JS and is passed that
 * snippet and the its original associated source's line/column location.
 *
 * @param aFn The traversal function.
 */
SourceNode.prototype.walk = function SourceNode_walk(aFn) {
  var chunk;
  for (var i = 0, len = this.children.length; i < len; i++) {
    chunk = this.children[i];
    if (chunk[isSourceNode]) {
      chunk.walk(aFn);
    }
    else {
      if (chunk !== '') {
        aFn(chunk, { source: this.source,
                     line: this.line,
                     column: this.column,
                     name: this.name });
      }
    }
  }
};

/**
 * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between
 * each of `this.children`.
 *
 * @param aSep The separator.
 */
SourceNode.prototype.join = function SourceNode_join(aSep) {
  var newChildren;
  var i;
  var len = this.children.length;
  if (len > 0) {
    newChildren = [];
    for (i = 0; i < len-1; i++) {
      newChildren.push(this.children[i]);
      newChildren.push(aSep);
    }
    newChildren.push(this.children[i]);
    this.children = newChildren;
  }
  return this;
};

/**
 * Call String.prototype.replace on the very right-most source snippet. Useful
 * for trimming whitespace from the end of a source node, etc.
 *
 * @param aPattern The pattern to replace.
 * @param aReplacement The thing to replace the pattern with.
 */
SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) {
  var lastChild = this.children[this.children.length - 1];
  if (lastChild[isSourceNode]) {
    lastChild.replaceRight(aPattern, aReplacement);
  }
  else if (typeof lastChild === 'string') {
    this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement);
  }
  else {
    this.children.push(''.replace(aPattern, aReplacement));
  }
  return this;
};

/**
 * Set the source content for a source file. This will be added to the SourceMapGenerator
 * in the sourcesContent field.
 *
 * @param aSourceFile The filename of the source file
 * @param aSourceContent The content of the source file
 */
SourceNode.prototype.setSourceContent =
  function SourceNode_setSourceContent(aSourceFile, aSourceContent) {
    this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent;
  };

/**
 * Walk over the tree of SourceNodes. The walking function is called for each
 * source file content and is passed the filename and source content.
 *
 * @param aFn The traversal function.
 */
SourceNode.prototype.walkSourceContents =
  function SourceNode_walkSourceContents(aFn) {
    for (var i = 0, len = this.children.length; i < len; i++) {
      if (this.children[i][isSourceNode]) {
        this.children[i].walkSourceContents(aFn);
      }
    }

    var sources = Object.keys(this.sourceContents);
    for (var i = 0, len = sources.length; i < len; i++) {
      aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]);
    }
  };

/**
 * Return the string representation of this source node. Walks over the tree
 * and concatenates all the various snippets together to one string.
 */
SourceNode.prototype.toString = function SourceNode_toString() {
  var str = "";
  this.walk(function (chunk) {
    str += chunk;
  });
  return str;
};

/**
 * Returns the string representation of this source node along with a source
 * map.
 */
SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) {
  var generated = {
    code: "",
    line: 1,
    column: 0
  };
  var map = new SourceMapGenerator(aArgs);
  var sourceMappingActive = false;
  var lastOriginalSource = null;
  var lastOriginalLine = null;
  var lastOriginalColumn = null;
  var lastOriginalName = null;
  this.walk(function (chunk, original) {
    generated.code += chunk;
    if (original.source !== null
        && original.line !== null
        && original.column !== null) {
      if(lastOriginalSource !== original.source
         || lastOriginalLine !== original.line
         || lastOriginalColumn !== original.column
         || lastOriginalName !== original.name) {
        map.addMapping({
          source: original.source,
          original: {
            line: original.line,
            column: original.column
          },
          generated: {
            line: generated.line,
            column: generated.column
          },
          name: original.name
        });
      }
      lastOriginalSource = original.source;
      lastOriginalLine = original.line;
      lastOriginalColumn = original.column;
      lastOriginalName = original.name;
      sourceMappingActive = true;
    } else if (sourceMappingActive) {
      map.addMapping({
        generated: {
          line: generated.line,
          column: generated.column
        }
      });
      lastOriginalSource = null;
      sourceMappingActive = false;
    }
    for (var idx = 0, length = chunk.length; idx < length; idx++) {
      if (chunk.charCodeAt(idx) === NEWLINE_CODE) {
        generated.line++;
        generated.column = 0;
        // Mappings end at eol
        if (idx + 1 === length) {
          lastOriginalSource = null;
          sourceMappingActive = false;
        } else if (sourceMappingActive) {
          map.addMapping({
            source: original.source,
            original: {
              line: original.line,
              column: original.column
            },
            generated: {
              line: generated.line,
              column: generated.column
            },
            name: original.name
          });
        }
      } else {
        generated.column++;
      }
    }
  });
  this.walkSourceContents(function (sourceFile, sourceContent) {
    map.setSourceContent(sourceFile, sourceContent);
  });

  return { code: generated.code, map: map };
};

exports.SourceNode = SourceNode;


/***/ }),
/* 121 */
/***/ (function(module, exports, __webpack_require__) {

var List = __webpack_require__(7);

module.exports = function createConvertors(walk) {
    return {
        fromPlainObject: function(ast) {
            walk(ast, {
                enter: function(node) {
                    if (node.children && node.children instanceof List === false) {
                        node.children = new List().fromArray(node.children);
                    }
                }
            });

            return ast;
        },
        toPlainObject: function(ast) {
            walk(ast, {
                leave: function(node) {
                    if (node.children && node.children instanceof List) {
                        node.children = node.children.toArray();
                    }
                }
            });

            return ast;
        }
    };
};


/***/ }),
/* 122 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var hasOwnProperty = Object.prototype.hasOwnProperty;
var noop = function() {};

function ensureFunction(value) {
    return typeof value === 'function' ? value : noop;
}

function invokeForType(fn, type) {
    return function(node, item, list) {
        if (node.type === type) {
            fn.call(this, node, item, list);
        }
    };
}

function getWalkersFromStructure(name, nodeType) {
    var structure = nodeType.structure;
    var walkers = [];

    for (var key in structure) {
        if (hasOwnProperty.call(structure, key) === false) {
            continue;
        }

        var fieldTypes = structure[key];
        var walker = {
            name: key,
            type: false,
            nullable: false
        };

        if (!Array.isArray(structure[key])) {
            fieldTypes = [structure[key]];
        }

        for (var i = 0; i < fieldTypes.length; i++) {
            var fieldType = fieldTypes[i];
            if (fieldType === null) {
                walker.nullable = true;
            } else if (typeof fieldType === 'string') {
                walker.type = 'node';
            } else if (Array.isArray(fieldType)) {
                walker.type = 'list';
            }
        }

        if (walker.type) {
            walkers.push(walker);
        }
    }

    if (walkers.length) {
        return {
            context: nodeType.walkContext,
            fields: walkers
        };
    }

    return null;
}

function getTypesFromConfig(config) {
    var types = {};

    for (var name in config.node) {
        if (hasOwnProperty.call(config.node, name)) {
            var nodeType = config.node[name];

            if (!nodeType.structure) {
                throw new Error('Missed `structure` field in `' + name + '` node type definition');
            }

            types[name] = getWalkersFromStructure(name, nodeType);
        }
    }

    return types;
}

function createTypeIterator(config, reverse) {
    var fields = reverse ? config.fields.slice().reverse() : config.fields;
    var body = fields.map(function(field) {
        var ref = 'node.' + field.name;
        var line;

        if (field.type === 'list') {
            line = reverse
                ? ref + '.forEachRight(walk);'
                : ref + '.forEach(walk);';
        } else {
            line = 'walk(' + ref + ');';
        }

        if (field.nullable) {
            line = 'if (' + ref + ') {\n    ' + line + '}';
        }

        return line;
    });

    if (config.context) {
        body = [].concat(
            'var old = context.' + config.context + ';',
            'context.' + config.context + ' = node;',
            body,
            'context.' + config.context + ' = old;'
        );
    }

    return new Function('node', 'context', 'walk', body.join('\n'));
}

function createFastTraveralMap(iterators) {
    return {
        Atrule: {
            StyleSheet: iterators.StyleSheet,
            Atrule: iterators.Atrule,
            Rule: iterators.Rule,
            Block: iterators.Block
        },
        Rule: {
            StyleSheet: iterators.StyleSheet,
            Atrule: iterators.Atrule,
            Rule: iterators.Rule,
            Block: iterators.Block
        },
        Declaration: {
            StyleSheet: iterators.StyleSheet,
            Atrule: iterators.Atrule,
            Rule: iterators.Rule,
            Block: iterators.Block
        }
    };
}

module.exports = function createWalker(config) {
    var types = getTypesFromConfig(config);
    var iteratorsNatural = {};
    var iteratorsReverse = {};

    for (var name in types) {
        if (hasOwnProperty.call(types, name) && types[name] !== null) {
            iteratorsNatural[name] = createTypeIterator(types[name], false);
            iteratorsReverse[name] = createTypeIterator(types[name], true);
        }
    }

    var fastTraversalIteratorsNatural = createFastTraveralMap(iteratorsNatural);
    var fastTraversalIteratorsReverse = createFastTraveralMap(iteratorsReverse);

    return function walk(root, options) {
        function walkNode(node, item, list) {
            enter.call(context, node, item, list);

            if (iterators.hasOwnProperty(node.type)) {
                iterators[node.type](node, context, walkNode);
            }

            leave.call(context, node, item, list);
        }

        var enter = noop;
        var leave = noop;
        var iterators = iteratorsNatural;
        var context = {
            root: root,
            stylesheet: null,
            atrule: null,
            atrulePrelude: null,
            rule: null,
            selector: null,
            block: null,
            declaration: null,
            function: null
        };

        if (typeof options === 'function') {
            enter = options;
        } else if (options) {
            enter = ensureFunction(options.enter);
            leave = ensureFunction(options.leave);

            if (options.reverse) {
                iterators = iteratorsReverse;
            }

            if (options.visit) {
                if (fastTraversalIteratorsNatural.hasOwnProperty(options.visit)) {
                    iterators = options.reverse
                        ? fastTraversalIteratorsReverse[options.visit]
                        : fastTraversalIteratorsNatural[options.visit];
                } else if (!types.hasOwnProperty(options.visit)) {
                    throw new Error('Bad value `' + options.visit + '` for `visit` option (should be: ' + Object.keys(types).join(', ') + ')');
                }

                enter = invokeForType(enter, options.visit);
                leave = invokeForType(leave, options.visit);
            }
        }

        if (enter === noop && leave === noop) {
            throw new Error('Neither `enter` nor `leave` walker handler is set or both aren\'t a function');
        }

        // swap handlers in reverse mode to invert visit order
        if (options.reverse) {
            var tmp = enter;
            enter = leave;
            leave = tmp;
        }

        walkNode(root);
    };
};


/***/ }),
/* 123 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var List = __webpack_require__(7);

module.exports = function clone(node) {
    var result = {};

    for (var key in node) {
        var value = node[key];

        if (value) {
            if (Array.isArray(value) || value instanceof List) {
                value = value.map(clone);
            } else if (value.constructor === Object) {
                value = clone(value);
            }
        }

        result[key] = value;
    }

    return result;
};


/***/ }),
/* 124 */
/***/ (function(module, exports) {

var hasOwnProperty = Object.prototype.hasOwnProperty;
var shape = {
    generic: true,
    types: {},
    properties: {},
    parseContext: {},
    scope: {},
    atrule: ['parse'],
    pseudo: ['parse'],
    node: ['name', 'structure', 'parse', 'generate', 'walkContext']
};

function isObject(value) {
    return value && value.constructor === Object;
}

function copy(value) {
    if (isObject(value)) {
        var res = {};
        for (var key in value) {
            if (hasOwnProperty.call(value, key)) {
                res[key] = value[key];
            }
        }
        return res;
    } else {
        return value;
    }
}

function extend(dest, src) {
    for (var key in src) {
        if (hasOwnProperty.call(src, key)) {
            if (isObject(dest[key])) {
                extend(dest[key], copy(src[key]));
            } else {
                dest[key] = copy(src[key]);
            }
        }
    }
}

function mix(dest, src, shape) {
    for (var key in shape) {
        if (hasOwnProperty.call(shape, key) === false) {
            continue;
        }

        if (shape[key] === true) {
            if (key in src) {
                if (hasOwnProperty.call(src, key)) {
                    dest[key] = copy(src[key]);
                }
            }
        } else if (shape[key]) {
            if (isObject(shape[key])) {
                var res = {};
                extend(res, dest[key]);
                extend(res, src[key]);
                dest[key] = res;
            } else if (Array.isArray(shape[key])) {
                var res = {};
                var innerShape = shape[key].reduce(function(s, k) {
                    s[k] = true;
                    return s;
                }, {});
                for (var name in dest[key]) {
                    if (hasOwnProperty.call(dest[key], name)) {
                        res[name] = {};
                        if (dest[key] && dest[key][name]) {
                            mix(res[name], dest[key][name], innerShape);
                        }
                    }
                }
                for (var name in src[key]) {
                    if (hasOwnProperty.call(src[key], name)) {
                        if (!res[name]) {
                            res[name] = {};
                        }
                        if (src[key] && src[key][name]) {
                            mix(res[name], src[key][name], innerShape);
                        }
                    }
                }
                dest[key] = res;
            }
        }
    }
    return dest;
}

module.exports = function(dest, src) {
    return mix(dest, src, shape);
};


/***/ }),
/* 125 */
/***/ (function(module, exports, __webpack_require__) {

var data = __webpack_require__(126);

module.exports = {
    generic: true,
    types: data.types,
    properties: data.properties,
    node: __webpack_require__(28)
};


/***/ }),
/* 126 */
/***/ (function(module) {

module.exports = JSON.parse("{\"generic\":true,\"types\":{\"absolute-size\":\"xx-small | x-small | small | medium | large | x-large | xx-large\",\"alpha-value\":\"<number> | <percentage>\",\"angle-percentage\":\"<angle> | <percentage>\",\"animateable-feature\":\"scroll-position | contents | <custom-ident>\",\"attachment\":\"scroll | fixed | local\",\"auto-repeat\":\"repeat( [ auto-fill | auto-fit ] , [ <line-names>? <fixed-size> ]+ <line-names>? )\",\"auto-track-list\":\"[ <line-names>? [ <fixed-size> | <fixed-repeat> ] ]* <line-names>? <auto-repeat> [ <line-names>? [ <fixed-size> | <fixed-repeat> ] ]* <line-names>?\",\"baseline-position\":\"[ first | last ]? baseline\",\"basic-shape\":\"<inset()> | <circle()> | <ellipse()> | <polygon()>\",\"bg-image\":\"none | <image>\",\"bg-layer\":\"<bg-image> || <bg-position> [ / <bg-size> ]? || <repeat-style> || <attachment> || <box> || <box>\",\"bg-position\":\"[ [ left | center | right | top | bottom | <length-percentage> ] | [ left | center | right | <length-percentage> ] [ top | center | bottom | <length-percentage> ] | [ center | [ left | right ] <length-percentage>? ] && [ center | [ top | bottom ] <length-percentage>? ] ]\",\"bg-size\":\"[ <length-percentage> | auto ]{1,2} | cover | contain\",\"blur()\":\"blur( <length> )\",\"blend-mode\":\"normal | multiply | screen | overlay | darken | lighten | color-dodge | color-burn | hard-light | soft-light | difference | exclusion | hue | saturation | color | luminosity\",\"box\":\"border-box | padding-box | content-box\",\"br-style\":\"none | hidden | dotted | dashed | solid | double | groove | ridge | inset | outset\",\"br-width\":\"<length> | thin | medium | thick\",\"brightness()\":\"brightness( <number-percentage> )\",\"calc()\":\"calc( <calc-sum> )\",\"calc-sum\":\"<calc-product> [ [ '+' | '-' ] <calc-product> ]*\",\"calc-product\":\"<calc-value> [ '*' <calc-value> | '/' <number> ]*\",\"calc-value\":\"<number> | <dimension> | <percentage> | ( <calc-sum> )\",\"cf-final-image\":\"<image> | <color>\",\"cf-mixing-image\":\"<percentage>? && <image>\",\"circle()\":\"circle( [ <shape-radius> ]? [ at <position> ]? )\",\"clip-source\":\"<url>\",\"color\":\"<rgb()> | <rgba()> | <hsl()> | <hsla()> | <hex-color> | <named-color> | currentcolor | <deprecated-system-color>\",\"color-stop\":\"<color> <length-percentage>?\",\"color-stop-list\":\"<color-stop>#{2,}\",\"common-lig-values\":\"[ common-ligatures | no-common-ligatures ]\",\"composite-style\":\"clear | copy | source-over | source-in | source-out | source-atop | destination-over | destination-in | destination-out | destination-atop | xor\",\"compositing-operator\":\"add | subtract | intersect | exclude\",\"contextual-alt-values\":\"[ contextual | no-contextual ]\",\"content-distribution\":\"space-between | space-around | space-evenly | stretch\",\"content-list\":\"[ <string> | contents | <url> | <quote> | <attr()> | counter( <ident> , <'list-style-type'>? ) ]+\",\"content-position\":\"center | start | end | flex-start | flex-end\",\"content-replacement\":\"<image>\",\"contrast()\":\"contrast( [ <number-percentage> ] )\",\"counter-style\":\"<counter-style-name> | symbols( )\",\"counter-style-name\":\"<custom-ident>\",\"cross-fade()\":\"cross-fade( <cf-mixing-image> , <cf-final-image>? )\",\"cubic-bezier-timing-function\":\"ease | ease-in | ease-out | ease-in-out | cubic-bezier( <number> , <number> , <number> , <number> )\",\"deprecated-system-color\":\"ActiveBorder | ActiveCaption | AppWorkspace | Background | ButtonFace | ButtonHighlight | ButtonShadow | ButtonText | CaptionText | GrayText | Highlight | HighlightText | InactiveBorder | InactiveCaption | InactiveCaptionText | InfoBackground | InfoText | Menu | MenuText | Scrollbar | ThreeDDarkShadow | ThreeDFace | ThreeDHighlight | ThreeDLightShadow | ThreeDShadow | Window | WindowFrame | WindowText\",\"discretionary-lig-values\":\"[ discretionary-ligatures | no-discretionary-ligatures ]\",\"display-box\":\"contents | none\",\"display-inside\":\"flow | flow-root | table | flex | grid | subgrid | ruby\",\"display-internal\":\"table-row-group | table-header-group | table-footer-group | table-row | table-cell | table-column-group | table-column | table-caption | ruby-base | ruby-text | ruby-base-container | ruby-text-container\",\"display-legacy\":\"inline-block | inline-list-item | inline-table | inline-flex | inline-grid\",\"display-listitem\":\"<display-outside>? && [ flow | flow-root ]? && list-item\",\"display-outside\":\"block | inline | run-in\",\"drop-shadow()\":\"drop-shadow( <length>{2,3} <color>? )\",\"east-asian-variant-values\":\"[ jis78 | jis83 | jis90 | jis04 | simplified | traditional ]\",\"east-asian-width-values\":\"[ full-width | proportional-width ]\",\"element()\":\"element( <id-selector> )\",\"ellipse()\":\"ellipse( [ <shape-radius>{2} ]? [ at <position> ]? )\",\"ending-shape\":\"circle | ellipse\",\"explicit-track-list\":\"[ <line-names>? <track-size> ]+ <line-names>?\",\"family-name\":\"<string> | <custom-ident>+\",\"feature-tag-value\":\"<string> [ <integer> | on | off ]?\",\"feature-value-name\":\"<custom-ident>\",\"fill-rule\":\"nonzero | evenodd\",\"filter-function\":\"<blur()> | <brightness()> | <contrast()> | <drop-shadow()> | <grayscale()> | <hue-rotate()> | <invert()> | <opacity()> | <saturate()> | <sepia()>\",\"filter-function-list\":\"[ <filter-function> | <url> ]+\",\"final-bg-layer\":\"<'background-color'> || <bg-image> || <bg-position> [ / <bg-size> ]? || <repeat-style> || <attachment> || <box> || <box>\",\"fit-content()\":\"fit-content( [ <length> | <percentage> ] )\",\"fixed-breadth\":\"<length-percentage>\",\"fixed-repeat\":\"repeat( [ <positive-integer> ] , [ <line-names>? <fixed-size> ]+ <line-names>? )\",\"fixed-size\":\"<fixed-breadth> | minmax( <fixed-breadth> , <track-breadth> ) | minmax( <inflexible-breadth> , <fixed-breadth> )\",\"font-variant-css21\":\"[ normal | small-caps ]\",\"frames-timing-function\":\"frames( <integer> )\",\"frequency-percentage\":\"<frequency> | <percentage>\",\"generic-family\":\"serif | sans-serif | cursive | fantasy | monospace | -apple-system\",\"generic-name\":\"serif | sans-serif | cursive | fantasy | monospace\",\"geometry-box\":\"<shape-box> | fill-box | stroke-box | view-box\",\"gradient\":\"<-legacy-gradient> | <linear-gradient()> | <repeating-linear-gradient()> | <radial-gradient()> | <repeating-radial-gradient()>\",\"grayscale()\":\"grayscale( <number-percentage> )\",\"grid-line\":\"auto | <custom-ident> | [ <integer> && <custom-ident>? ] | [ span && [ <integer> || <custom-ident> ] ]\",\"historical-lig-values\":\"[ historical-ligatures | no-historical-ligatures ]\",\"hsl()\":\"hsl( <hue> <percentage> <percentage> [ / <alpha-value> ]? ) | hsl( <hue> , <percentage> , <percentage> , <alpha-value>? )\",\"hsla()\":\"hsla( <hue> <percentage> <percentage> [ / <alpha-value> ]? ) | hsla( <hue> , <percentage> , <percentage> , <alpha-value>? )\",\"hue\":\"<number> | <angle>\",\"hue-rotate()\":\"hue-rotate( <angle> )\",\"image\":\"<url> | <image()> | <image-set()> | <element()> | <cross-fade()> | <gradient>\",\"image()\":\"image( [ [ <image> | <string> ]? , <color>? ]! )\",\"image-set()\":\"image-set( <image-set-option># )\",\"image-set-option\":\"[ <image> | <string> ] <resolution>\",\"inflexible-breadth\":\"<length> | <percentage> | min-content | max-content | auto\",\"inset()\":\"inset( <length-percentage>{1,4} [ round <'border-radius'> ]? )\",\"invert()\":\"invert( <number-percentage> )\",\"keyframes-name\":\"<custom-ident> | <string>\",\"keyframe-selector\":\"from | to | <percentage>\",\"leader()\":\"leader( <leader-type> )\",\"leader-type\":\"dotted | solid | space | <string>\",\"length-percentage\":\"<length> | <percentage>\",\"line-names\":\"'[' <custom-ident>* ']'\",\"line-name-list\":\"[ <line-names> | <name-repeat> ]+\",\"linear-gradient()\":\"linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )\",\"mask-layer\":\"<mask-reference> || <position> [ / <bg-size> ]? || <repeat-style> || <geometry-box> || [ <geometry-box> | no-clip ] || <compositing-operator> || <masking-mode>\",\"mask-position\":\"[ <length-percentage> | left | center | right ] [ <length-percentage> | top | center | bottom ]?\",\"mask-reference\":\"none | <image> | <mask-source>\",\"mask-source\":\"<url>\",\"masking-mode\":\"alpha | luminance | match-source\",\"matrix()\":\"matrix( <number> [, <number> ]{5} )\",\"matrix3d()\":\"matrix3d( <number> [, <number> ]{15} )\",\"media-type\":\"<ident>\",\"mf-boolean\":\"<mf-name>\",\"mf-name\":\"<ident>\",\"minmax()\":\"minmax( [ <length> | <percentage> | <flex> | min-content | max-content | auto ] , [ <length> | <percentage> | <flex> | min-content | max-content | auto ] )\",\"named-color\":\"transparent | aliceblue | antiquewhite | aqua | aquamarine | azure | beige | bisque | black | blanchedalmond | blue | blueviolet | brown | burlywood | cadetblue | chartreuse | chocolate | coral | cornflowerblue | cornsilk | crimson | cyan | darkblue | darkcyan | darkgoldenrod | darkgray | darkgreen | darkgrey | darkkhaki | darkmagenta | darkolivegreen | darkorange | darkorchid | darkred | darksalmon | darkseagreen | darkslateblue | darkslategray | darkslategrey | darkturquoise | darkviolet | deeppink | deepskyblue | dimgray | dimgrey | dodgerblue | firebrick | floralwhite | forestgreen | fuchsia | gainsboro | ghostwhite | gold | goldenrod | gray | green | greenyellow | grey | honeydew | hotpink | indianred | indigo | ivory | khaki | lavender | lavenderblush | lawngreen | lemonchiffon | lightblue | lightcoral | lightcyan | lightgoldenrodyellow | lightgray | lightgreen | lightgrey | lightpink | lightsalmon | lightseagreen | lightskyblue | lightslategray | lightslategrey | lightsteelblue | lightyellow | lime | limegreen | linen | magenta | maroon | mediumaquamarine | mediumblue | mediumorchid | mediumpurple | mediumseagreen | mediumslateblue | mediumspringgreen | mediumturquoise | mediumvioletred | midnightblue | mintcream | mistyrose | moccasin | navajowhite | navy | oldlace | olive | olivedrab | orange | orangered | orchid | palegoldenrod | palegreen | paleturquoise | palevioletred | papayawhip | peachpuff | peru | pink | plum | powderblue | purple | rebeccapurple | red | rosybrown | royalblue | saddlebrown | salmon | sandybrown | seagreen | seashell | sienna | silver | skyblue | slateblue | slategray | slategrey | snow | springgreen | steelblue | tan | teal | thistle | tomato | turquoise | violet | wheat | white | whitesmoke | yellow | yellowgreen | <-non-standard-color>\",\"namespace-prefix\":\"<ident>\",\"number-percentage\":\"<number> | <percentage>\",\"numeric-figure-values\":\"[ lining-nums | oldstyle-nums ]\",\"numeric-fraction-values\":\"[ diagonal-fractions | stacked-fractions ]\",\"numeric-spacing-values\":\"[ proportional-nums | tabular-nums ]\",\"opacity()\":\"opacity( [ <number-percentage> ] )\",\"overflow-position\":\"unsafe | safe\",\"outline-radius\":\"<border-radius>\",\"perspective()\":\"perspective( <length> )\",\"polygon()\":\"polygon( <fill-rule>? , [ <length-percentage> <length-percentage> ]# )\",\"position\":\"[ [ left | center | right ] || [ top | center | bottom ] | [ left | center | right | <length-percentage> ] [ top | center | bottom | <length-percentage> ]? | [ [ left | right ] <length-percentage> ] && [ [ top | bottom ] <length-percentage> ] ]\",\"quote\":\"open-quote | close-quote | no-open-quote | no-close-quote\",\"radial-gradient()\":\"radial-gradient( [ <ending-shape> || <size> ]? [ at <position> ]? , <color-stop-list> )\",\"relative-size\":\"larger | smaller\",\"repeat-style\":\"repeat-x | repeat-y | [ repeat | space | round | no-repeat ]{1,2}\",\"repeating-linear-gradient()\":\"repeating-linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )\",\"repeating-radial-gradient()\":\"repeating-radial-gradient( [ <ending-shape> || <size> ]? [ at <position> ]? , <color-stop-list> )\",\"rgb()\":\"rgb( <percentage>{3} [ / <alpha-value> ]? ) | rgb( <number>{3} [ / <alpha-value> ]? ) | rgb( <percentage>#{3} , <alpha-value>? ) | rgb( <number>#{3} , <alpha-value>? )\",\"rgba()\":\"rgba( <percentage>{3} [ / <alpha-value> ]? ) | rgba( <number>{3} [ / <alpha-value> ]? ) | rgba( <percentage>#{3} , <alpha-value>? ) | rgba( <number>#{3} , <alpha-value>? )\",\"rotate()\":\"rotate( <angle> )\",\"rotate3d()\":\"rotate3d( <number> , <number> , <number> , <angle> )\",\"rotateX()\":\"rotateX( <angle> )\",\"rotateY()\":\"rotateY( <angle> )\",\"rotateZ()\":\"rotateZ( <angle> )\",\"saturate()\":\"saturate( <number-percentage> )\",\"scale()\":\"scale( <number> [, <number> ]? )\",\"scale3d()\":\"scale3d( <number> , <number> , <number> )\",\"scaleX()\":\"scaleX( <number> )\",\"scaleY()\":\"scaleY( <number> )\",\"scaleZ()\":\"scaleZ( <number> )\",\"self-position\":\"center | start | end | self-start | self-end | flex-start | flex-end\",\"shape-radius\":\"<length-percentage> | closest-side | farthest-side\",\"skew()\":\"skew( <angle> [, <angle> ]? )\",\"skewX()\":\"skewX( <angle> )\",\"skewY()\":\"skewY( <angle> )\",\"sepia()\":\"sepia( <number-percentage> )\",\"shadow\":\"inset? && <length>{2,4} && <color>?\",\"shadow-t\":\"[ <length>{2,3} && <color>? ]\",\"shape\":\"rect( [ [ <top> , <right> , <bottom> , <left> ] | [ <top> <right> <bottom> <left> ] ] )\",\"shape-box\":\"<box> | margin-box\",\"side-or-corner\":\"[ left | right ] || [ top | bottom ]\",\"single-animation\":\"<time> || <single-timing-function> || <time> || <single-animation-iteration-count> || <single-animation-direction> || <single-animation-fill-mode> || <single-animation-play-state> || [ none | <keyframes-name> ]\",\"single-animation-direction\":\"normal | reverse | alternate | alternate-reverse\",\"single-animation-fill-mode\":\"none | forwards | backwards | both\",\"single-animation-iteration-count\":\"infinite | <number>\",\"single-animation-play-state\":\"running | paused\",\"single-timing-function\":\"linear | <cubic-bezier-timing-function> | <step-timing-function> | <frames-timing-function>\",\"single-transition\":\"<single-transition-timing-function> || [ none | <single-transition-property> ] || <time> || <time>\",\"single-transition-timing-function\":\"<single-timing-function>\",\"single-transition-property\":\"all | <custom-ident>\",\"size\":\"closest-side | farthest-side | closest-corner | farthest-corner | <length> | <length-percentage>{2}\",\"step-timing-function\":\"step-start | step-end | steps( <integer> [, [ start | end ] ]? )\",\"symbol\":\"<string> | <image> | <custom-ident>\",\"target\":\"<target-counter()> | <target-counters()> | <target-text()>\",\"target-counter()\":\"target-counter( [ <string> | <url> ] , <custom-ident> , <counter-style>? )\",\"target-counters()\":\"target-counters( [ <string> | <url> ] , <custom-ident> , <string> , <counter-style>? )\",\"target-text()\":\"target-text( [ <string> | <url> ] , [ content | before | after | first-letter ]? )\",\"time-percentage\":\"<time> | <percentage>\",\"track-breadth\":\"<length-percentage> | <flex> | min-content | max-content | auto\",\"track-list\":\"[ <line-names>? [ <track-size> | <track-repeat> ] ]+ <line-names>?\",\"track-repeat\":\"repeat( [ <positive-integer> ] , [ <line-names>? <track-size> ]+ <line-names>? )\",\"track-size\":\"<track-breadth> | minmax( <inflexible-breadth> , <track-breadth> ) | fit-content( [ <length> | <percentage> ] )\",\"transform-function\":\"<matrix()> | <translate()> | <translateX()> | <translateY()> | <scale()> | <scaleX()> | <scaleY()> | <rotate()> | <skew()> | <skewX()> | <skewY()> | <matrix3d()> | <translate3d()> | <translateZ()> | <scale3d()> | <scaleZ()> | <rotate3d()> | <rotateX()> | <rotateY()> | <rotateZ()> | <perspective()>\",\"transform-list\":\"<transform-function>+\",\"translate()\":\"translate( <length-percentage> [, <length-percentage> ]? )\",\"translate3d()\":\"translate3d( <length-percentage> , <length-percentage> , <length> )\",\"translateX()\":\"translateX( <length-percentage> )\",\"translateY()\":\"translateY( <length-percentage> )\",\"translateZ()\":\"translateZ( <length> )\",\"type-or-unit\":\"string | integer | color | url | integer | number | length | angle | time | frequency | em | ex | px | rem | vw | vh | vmin | vmax | mm | q | cm | in | pt | pc | deg | grad | rad | ms | s | Hz | kHz | %\",\"viewport-length\":\"auto | <length-percentage>\",\"-legacy-gradient\":\"<-webkit-gradient()> | <-legacy-linear-gradient> | <-legacy-repeating-linear-gradient> | <-legacy-radial-gradient> | <-legacy-repeating-radial-gradient>\",\"-legacy-linear-gradient\":\"-moz-linear-gradient( <-legacy-linear-gradient-arguments> ) | -webkit-linear-gradient( <-legacy-linear-gradient-arguments> ) | -o-linear-gradient( <-legacy-linear-gradient-arguments> )\",\"-legacy-repeating-linear-gradient\":\"-moz-repeating-linear-gradient( <-legacy-linear-gradient-arguments> ) | -webkit-repeating-linear-gradient( <-legacy-linear-gradient-arguments> ) | -o-repeating-linear-gradient( <-legacy-linear-gradient-arguments> )\",\"-legacy-linear-gradient-arguments\":\"[ <angle> | <side-or-corner> ]? , <color-stop-list>\",\"-legacy-radial-gradient\":\"-moz-radial-gradient( <-legacy-radial-gradient-arguments> ) | -webkit-radial-gradient( <-legacy-radial-gradient-arguments> ) | -o-radial-gradient( <-legacy-radial-gradient-arguments> )\",\"-legacy-repeating-radial-gradient\":\"-moz-repeating-radial-gradient( <-legacy-radial-gradient-arguments> ) | -webkit-repeating-radial-gradient( <-legacy-radial-gradient-arguments> ) | -o-repeating-radial-gradient( <-legacy-radial-gradient-arguments> )\",\"-legacy-radial-gradient-arguments\":\"[ <position> , ]? [ [ [ <-legacy-radial-gradient-shape> || <-legacy-radial-gradient-size> ] | [ <length> | <percentage> ]{2} ] , ]? <color-stop-list>\",\"-legacy-radial-gradient-size\":\"closest-side | closest-corner | farthest-side | farthest-corner | contain | cover\",\"-legacy-radial-gradient-shape\":\"circle | ellipse\",\"-non-standard-font\":\"-apple-system-body | -apple-system-headline | -apple-system-subheadline | -apple-system-caption1 | -apple-system-caption2 | -apple-system-footnote | -apple-system-short-body | -apple-system-short-headline | -apple-system-short-subheadline | -apple-system-short-caption1 | -apple-system-short-footnote | -apple-system-tall-body\",\"-non-standard-color\":\"-moz-ButtonDefault | -moz-ButtonHoverFace | -moz-ButtonHoverText | -moz-CellHighlight | -moz-CellHighlightText | -moz-Combobox | -moz-ComboboxText | -moz-Dialog | -moz-DialogText | -moz-dragtargetzone | -moz-EvenTreeRow | -moz-Field | -moz-FieldText | -moz-html-CellHighlight | -moz-html-CellHighlightText | -moz-mac-accentdarkestshadow | -moz-mac-accentdarkshadow | -moz-mac-accentface | -moz-mac-accentlightesthighlight | -moz-mac-accentlightshadow | -moz-mac-accentregularhighlight | -moz-mac-accentregularshadow | -moz-mac-chrome-active | -moz-mac-chrome-inactive | -moz-mac-focusring | -moz-mac-menuselect | -moz-mac-menushadow | -moz-mac-menutextselect | -moz-MenuHover | -moz-MenuHoverText | -moz-MenuBarText | -moz-MenuBarHoverText | -moz-nativehyperlinktext | -moz-OddTreeRow | -moz-win-communicationstext | -moz-win-mediatext | -moz-activehyperlinktext | -moz-default-background-color | -moz-default-color | -moz-hyperlinktext | -moz-visitedhyperlinktext | -webkit-activelink | -webkit-focus-ring-color | -webkit-link | -webkit-text\",\"-non-standard-image-rendering\":\"optimize-contrast | -moz-crisp-edges | -o-crisp-edges | -webkit-optimize-contrast\",\"-non-standard-overflow\":\"-moz-scrollbars-none | -moz-scrollbars-horizontal | -moz-scrollbars-vertical | -moz-hidden-unscrollable\",\"-non-standard-width\":\"min-intrinsic | intrinsic | -moz-min-content | -moz-max-content | -webkit-min-content | -webkit-max-content\",\"-non-standard-word-break\":\"break-word\",\"-webkit-gradient()\":\"-webkit-gradient( <-webkit-gradient-type> , <-webkit-gradient-point> [, <-webkit-gradient-point> | , <-webkit-gradient-radius> , <-webkit-gradient-point> ] [, <-webkit-gradient-radius> ]? [, <-webkit-gradient-color-stop> ]* )\",\"-webkit-gradient-color-stop\":\"from( <color> ) | color-stop( [ <number-zero-one> | <percentage> ] , <color> ) | to( <color> )\",\"-webkit-gradient-point\":\"[ left | center | right | <length-percentage> ] [ top | center | bottom | <length-percentage> ]\",\"-webkit-gradient-radius\":\"<length> | <percentage>\",\"-webkit-gradient-type\":\"linear | radial\",\"-webkit-mask-box-repeat\":\"repeat | stretch | round\",\"-webkit-mask-clip-style\":\"border | border-box | padding | padding-box | content | content-box | text\",\"-ms-filter\":\"[ <progid> | FlipH | FlipV ]+\",\"age\":\"child | young | old\",\"border-radius\":\"<length-percentage>{1,2}\",\"bottom\":\"<length> | auto\",\"generic-voice\":\"[ <age>? <gender> <integer>? ]\",\"gender\":\"male | female | neutral\",\"left\":\"<length> | auto\",\"mask-image\":\"<mask-reference>#\",\"name-repeat\":\"repeat( [ <positive-integer> | auto-fill ] , <line-names>+ )\",\"paint\":\"none | currentColor | <color> | <url> [ none | currentColor | <color> ]?\",\"path()\":\"path( <string> )\",\"right\":\"<length> | auto\",\"svg-length\":\"<percentage> | <length> | <number>\",\"svg-writing-mode\":\"lr-tb | rl-tb | tb-rl | lr | rl | tb\",\"top\":\"<length> | auto\",\"x\":\"<number>\",\"y\":\"<number>\"},\"properties\":{\"-ms-accelerator\":\"false | true\",\"-ms-block-progression\":\"tb | rl | bt | lr\",\"-ms-content-zoom-chaining\":\"none | chained\",\"-ms-content-zooming\":\"none | zoom\",\"-ms-content-zoom-limit\":\"<'-ms-content-zoom-limit-min'> <'-ms-content-zoom-limit-max'>\",\"-ms-content-zoom-limit-max\":\"<percentage>\",\"-ms-content-zoom-limit-min\":\"<percentage>\",\"-ms-content-zoom-snap\":\"<'-ms-content-zoom-snap-type'> || <'-ms-content-zoom-snap-points'>\",\"-ms-content-zoom-snap-points\":\"snapInterval( <percentage> , <percentage> ) | snapList( <percentage># )\",\"-ms-content-zoom-snap-type\":\"none | proximity | mandatory\",\"-ms-filter\":\"<string>\",\"-ms-flow-from\":\"[ 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-moz-window-frame-left | -moz-window-frame-right | -moz-window-titlebar | -moz-window-titlebar-maximized\",\"-moz-binding\":\"<url> | none\",\"-moz-border-bottom-colors\":\"<color>+ | none\",\"-moz-border-left-colors\":\"<color>+ | none\",\"-moz-border-right-colors\":\"<color>+ | none\",\"-moz-border-top-colors\":\"<color>+ | none\",\"-moz-context-properties\":\"none | [ fill | fill-opacity | stroke | stroke-opacity ]#\",\"-moz-float-edge\":\"border-box | content-box | margin-box | padding-box\",\"-moz-force-broken-image-icon\":\"<integer>\",\"-moz-image-region\":\"<shape> | auto\",\"-moz-orient\":\"inline | block | horizontal | vertical\",\"-moz-outline-radius\":\"<outline-radius>{1,4} [ / <outline-radius>{1,4} ]?\",\"-moz-outline-radius-bottomleft\":\"<outline-radius>\",\"-moz-outline-radius-bottomright\":\"<outline-radius>\",\"-moz-outline-radius-topleft\":\"<outline-radius>\",\"-moz-outline-radius-topright\":\"<outline-radius>\",\"-moz-stack-sizing\":\"ignore | 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scrollbartrack-horizontal | scrollbartrack-vertical | searchfield | searchfield-cancel-button | searchfield-decoration | searchfield-results-button | searchfield-results-decoration | slider-horizontal | slider-vertical | sliderthumb-horizontal | sliderthumb-vertical | square-button | textarea | textfield\",\"-webkit-border-before\":\"<'border-width'> || <'border-style'> || <'color'>\",\"-webkit-border-before-color\":\"<'color'>\",\"-webkit-border-before-style\":\"<'border-style'>\",\"-webkit-border-before-width\":\"<'border-width'>\",\"-webkit-box-reflect\":\"[ above | below | right | left ]? <length>? <image>?\",\"-webkit-mask\":\"[ <mask-reference> || <position> [ / <bg-size> ]? || <repeat-style> || [ <box> | border | padding | content | text ] || [ <box> | border | padding | content ] ]#\",\"-webkit-mask-attachment\":\"<attachment>#\",\"-webkit-mask-clip\":\"<-webkit-mask-clip-style> [, <-webkit-mask-clip-style> 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<'column-rule-color'>\",\"column-rule-color\":\"<color>\",\"column-rule-style\":\"<'border-style'>\",\"column-rule-width\":\"<'border-width'>\",\"column-span\":\"none | all\",\"column-width\":\"<length> | auto\",\"columns\":\"<'column-width'> || <'column-count'>\",\"contain\":\"none | strict | content | [ size || layout || style || paint ]\",\"content\":\"normal | none | [ <content-replacement> | <content-list> ] [ / <string> ]?\",\"counter-increment\":\"[ <custom-ident> <integer>? ]+ | none\",\"counter-reset\":\"[ <custom-ident> <integer>? ]+ | none\",\"cursor\":\"[ [ <url> [ <x> <y> ]? , ]* [ auto | default | none | context-menu | help | pointer | progress | wait | cell | crosshair | text | vertical-text | alias | copy | move | no-drop | not-allowed | e-resize | n-resize | ne-resize | nw-resize | s-resize | se-resize | sw-resize | w-resize | ew-resize | ns-resize | nesw-resize | nwse-resize | col-resize | row-resize | all-scroll | zoom-in | zoom-out | grab | grabbing | hand | -webkit-grab | -webkit-grabbing | -webkit-zoom-in | -webkit-zoom-out | -moz-grab | -moz-grabbing | -moz-zoom-in | -moz-zoom-out ] ]\",\"direction\":\"ltr | rtl\",\"display\":\"none | inline | block | list-item | inline-list-item | inline-block | inline-table | table | table-cell | table-column | table-column-group | table-footer-group | table-header-group | table-row | table-row-group | flex | inline-flex | grid | inline-grid | run-in | ruby | ruby-base | ruby-text | ruby-base-container | ruby-text-container | contents | -ms-flexbox | -ms-inline-flexbox | -ms-grid | -ms-inline-grid | -webkit-flex | -webkit-inline-flex | -webkit-box | -webkit-inline-box | -moz-inline-stack | -moz-box | -moz-inline-box\",\"empty-cells\":\"show | hide\",\"filter\":\"none | <filter-function-list> | <-ms-filter>\",\"flex\":\"none | [ <'flex-grow'> <'flex-shrink'>? || <'flex-basis'> ]\",\"flex-basis\":\"content | <'width'>\",\"flex-direction\":\"row | row-reverse | column | 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[ <content-position> | left | right ]\",\"justify-items\":\"normal | stretch | <baseline-position> | <overflow-position>? [ <self-position> | left | right ] | legacy | legacy && [ left | right | center ]\",\"justify-self\":\"auto | normal | stretch | <baseline-position> | <overflow-position>? [ <self-position> | left | right ]\",\"left\":\"<length> | <percentage> | auto\",\"letter-spacing\":\"normal | <length-percentage>\",\"line-break\":\"auto | loose | normal | strict\",\"line-clamp\":\"none | <integer>\",\"line-height\":\"normal | <number> | <length> | <percentage>\",\"line-height-step\":\"none | <length>\",\"list-style\":\"<'list-style-type'> || <'list-style-position'> || <'list-style-image'>\",\"list-style-image\":\"<url> | none\",\"list-style-position\":\"inside | outside\",\"list-style-type\":\"<counter-style> | <string> | none\",\"margin\":\"[ <length> | <percentage> | auto ]{1,4}\",\"margin-block-end\":\"<'margin-left'>\",\"margin-block-start\":\"<'margin-left'>\",\"margin-bottom\":\"<length> | <percentage> | auto\",\"margin-inline-end\":\"<'margin-left'>\",\"margin-inline-start\":\"<'margin-left'>\",\"margin-left\":\"<length> | <percentage> | auto\",\"margin-right\":\"<length> | <percentage> | auto\",\"margin-top\":\"<length> | <percentage> | auto\",\"mask\":\"<mask-layer>#\",\"mask-border\":\"<'mask-border-source'> || <'mask-border-slice'> [ / <'mask-border-width'>? [ / <'mask-border-outset'> ]? ]? || <'mask-border-repeat'> || <'mask-border-mode'>\",\"mask-border-mode\":\"luminance | alpha\",\"mask-border-outset\":\"[ <length> | <number> ]{1,4}\",\"mask-border-repeat\":\"[ stretch | repeat | round | space ]{1,2}\",\"mask-border-slice\":\"<number-percentage>{1,4} fill?\",\"mask-border-source\":\"none | <image>\",\"mask-border-width\":\"[ <length-percentage> | <number> | auto ]{1,4}\",\"mask-clip\":\"[ <geometry-box> | no-clip ]#\",\"mask-composite\":\"<compositing-operator>#\",\"mask-image\":\"<mask-reference>#\",\"mask-mode\":\"<masking-mode>#\",\"mask-origin\":\"<geometry-box>#\",\"mask-position\":\"<position>#\",\"mask-repeat\":\"<repeat-style>#\",\"mask-size\":\"<bg-size>#\",\"mask-type\":\"luminance | alpha\",\"max-block-size\":\"<'max-width'>\",\"max-height\":\"<length> | <percentage> | none | max-content | min-content | fit-content | fill-available\",\"max-inline-size\":\"<'max-width'>\",\"max-lines\":\"none | <integer>\",\"max-width\":\"<length> | <percentage> | none | max-content | min-content | fit-content | fill-available | <-non-standard-width>\",\"min-block-size\":\"<'min-width'>\",\"min-height\":\"<length> | <percentage> | auto | max-content | min-content | fit-content | fill-available\",\"min-inline-size\":\"<'min-width'>\",\"min-width\":\"<length> | <percentage> | auto | max-content | min-content | fit-content | fill-available | <-non-standard-width>\",\"mix-blend-mode\":\"<blend-mode>\",\"object-fit\":\"fill | contain | cover | none | scale-down\",\"object-position\":\"<position>\",\"offset\":\"[ <'offset-position'>? [ <'offset-path'> [ <'offset-distance'> || <'offset-rotate'> ]? ]? ]! [ / <'offset-anchor'> ]?\",\"offset-anchor\":\"auto | <position>\",\"offset-block-end\":\"<'left'>\",\"offset-block-start\":\"<'left'>\",\"offset-inline-end\":\"<'left'>\",\"offset-inline-start\":\"<'left'>\",\"offset-distance\":\"<length-percentage>\",\"offset-path\":\"none | ray( [ <angle> && <size>? && contain? ] ) | <path()> | <url> | [ <basic-shape> || <geometry-box> ]\",\"offset-position\":\"auto | <position>\",\"offset-rotate\":\"[ auto | reverse ] || <angle>\",\"opacity\":\"<number-zero-one>\",\"order\":\"<integer>\",\"orphans\":\"<integer>\",\"outline\":\"[ <'outline-color'> || <'outline-style'> || <'outline-width'> ]\",\"outline-color\":\"<color> | invert\",\"outline-offset\":\"<length>\",\"outline-style\":\"auto | <br-style>\",\"outline-width\":\"<br-width>\",\"overflow\":\"visible | hidden | scroll | auto | <-non-standard-overflow>\",\"overflow-anchor\":\"auto | none\",\"overflow-block\":\"<'overflow'>\",\"overflow-clip-box\":\"padding-box | content-box\",\"overflow-inline\":\"<'overflow'>\",\"overflow-wrap\":\"normal | break-word\",\"overflow-x\":\"visible | hidden | clip | scroll | auto\",\"overflow-y\":\"visible | hidden | clip | scroll | auto\",\"overscroll-behavior\":\"[ contain | none | auto ]{1,2}\",\"overscroll-behavior-x\":\"contain | none | auto\",\"overscroll-behavior-y\":\"contain | none | auto\",\"padding\":\"[ <length> | <percentage> ]{1,4}\",\"padding-block-end\":\"<'padding-left'>\",\"padding-block-start\":\"<'padding-left'>\",\"padding-bottom\":\"<length> | <percentage>\",\"padding-inline-end\":\"<'padding-left'>\",\"padding-inline-start\":\"<'padding-left'>\",\"padding-left\":\"<length> | <percentage>\",\"padding-right\":\"<length> | <percentage>\",\"padding-top\":\"<length> | <percentage>\",\"page-break-after\":\"auto | always | avoid | left | right | recto | verso\",\"page-break-before\":\"auto | always | avoid | left | right | recto | verso\",\"page-break-inside\":\"auto | avoid\",\"paint-order\":\"normal | [ fill || stroke || markers ]\",\"perspective\":\"none | <length>\",\"perspective-origin\":\"<position>\",\"place-content\":\"<'align-content'> <'justify-content'>?\",\"pointer-events\":\"auto | none | visiblePainted | visibleFill | visibleStroke | visible | painted | fill | stroke | all | inherit\",\"position\":\"static | relative | absolute | sticky | fixed | -webkit-sticky\",\"quotes\":\"none | [ <string> <string> ]+\",\"resize\":\"none | both | horizontal | vertical\",\"right\":\"<length> | <percentage> | auto\",\"rotate\":\"none | [ x | y | z | <number>{3} ]? && <angle>\",\"row-gap\":\"normal | <length-percentage>\",\"ruby-align\":\"start | center | space-between | space-around\",\"ruby-merge\":\"separate | collapse | auto\",\"ruby-position\":\"over | under | inter-character\",\"scale\":\"none | <number>{1,3}\",\"scroll-behavior\":\"auto | smooth\",\"scroll-snap-coordinate\":\"none | <position>#\",\"scroll-snap-destination\":\"<position>\",\"scroll-snap-points-x\":\"none | repeat( <length-percentage> )\",\"scroll-snap-points-y\":\"none | repeat( <length-percentage> )\",\"scroll-snap-type\":\"none | mandatory | proximity\",\"scroll-snap-type-x\":\"none | mandatory | proximity\",\"scroll-snap-type-y\":\"none | mandatory | proximity\",\"shape-image-threshold\":\"<number>\",\"shape-margin\":\"<length-percentage>\",\"shape-outside\":\"none | <shape-box> || <basic-shape> | <image>\",\"tab-size\":\"<integer> | <length>\",\"table-layout\":\"auto | fixed\",\"text-align\":\"start | end | left | right | center | justify | match-parent\",\"text-align-last\":\"auto | start | end | left | right | center | justify\",\"text-combine-upright\":\"none | all | [ digits <integer>? ]\",\"text-decoration\":\"<'text-decoration-line'> || <'text-decoration-style'> || <'text-decoration-color'>\",\"text-decoration-color\":\"<color>\",\"text-decoration-line\":\"none | [ underline || overline || line-through || blink ]\",\"text-decoration-skip\":\"none | [ objects || [ spaces | [ leading-spaces || trailing-spaces ] ] || edges || box-decoration ]\",\"text-decoration-skip-ink\":\"auto | none\",\"text-decoration-style\":\"solid | double | dotted | dashed | wavy\",\"text-emphasis\":\"<'text-emphasis-style'> || <'text-emphasis-color'>\",\"text-emphasis-color\":\"<color>\",\"text-emphasis-position\":\"[ over | under ] && [ right | left ]\",\"text-emphasis-style\":\"none | [ [ filled | open ] || [ dot | circle | double-circle | triangle | sesame ] ] | <string>\",\"text-indent\":\"<length-percentage> && hanging? && each-line?\",\"text-justify\":\"auto | inter-character | inter-word | none\",\"text-orientation\":\"mixed | upright | sideways\",\"text-overflow\":\"[ clip | ellipsis | <string> ]{1,2}\",\"text-rendering\":\"auto | optimizeSpeed | optimizeLegibility | geometricPrecision\",\"text-shadow\":\"none | <shadow-t>#\",\"text-size-adjust\":\"none | auto | <percentage>\",\"text-transform\":\"none | capitalize | uppercase | lowercase | full-width\",\"text-underline-position\":\"auto | [ under || [ left | right ] ]\",\"top\":\"<length> | <percentage> | auto\",\"touch-action\":\"auto | none | [ [ pan-x | pan-left | pan-right ] || [ pan-y | pan-up | pan-down ] || pinch-zoom ] | manipulation\",\"transform\":\"none | <transform-list>\",\"transform-box\":\"border-box | fill-box | view-box\",\"transform-origin\":\"[ [ <length-percentage> | left | center | right ] && [ <length-percentage> | top | center | bottom ] ] <length>? | [ <length-percentage> | left | center | right | top | bottom ]\",\"transform-style\":\"flat | preserve-3d\",\"transition\":\"<single-transition>#\",\"transition-delay\":\"<time>#\",\"transition-duration\":\"<time>#\",\"transition-property\":\"none | <single-transition-property>#\",\"transition-timing-function\":\"<single-transition-timing-function>#\",\"translate\":\"none | <length-percentage> [ <length-percentage> <length>? ]?\",\"unicode-bidi\":\"normal | embed | isolate | bidi-override | isolate-override | plaintext | -moz-isolate | -moz-isolate-override | -moz-plaintext | -webkit-isolate\",\"user-select\":\"auto | text | none | contain | all\",\"vertical-align\":\"baseline | sub | super | text-top | text-bottom | middle | top | bottom | <percentage> | <length>\",\"visibility\":\"visible | hidden | collapse\",\"white-space\":\"normal | pre | nowrap | pre-wrap | pre-line\",\"widows\":\"<integer>\",\"width\":\"[ <length> | <percentage> ] && [ border-box | content-box ]? | available | min-content | max-content | fit-content | auto\",\"will-change\":\"auto | <animateable-feature>#\",\"word-break\":\"normal | break-all | keep-all | <-non-standard-word-break>\",\"word-spacing\":\"normal | <length-percentage>\",\"word-wrap\":\"normal | break-word\",\"writing-mode\":\"horizontal-tb | vertical-rl | vertical-lr | sideways-rl | sideways-lr | <svg-writing-mode>\",\"z-index\":\"auto | <integer>\",\"zoom\":\"normal | reset | <number> | <percentage>\",\"-moz-background-clip\":\"padding | border\",\"-moz-border-radius-bottomleft\":\"<'border-bottom-left-radius'>\",\"-moz-border-radius-bottomright\":\"<'border-bottom-right-radius'>\",\"-moz-border-radius-topleft\":\"<'border-top-left-radius'>\",\"-moz-border-radius-topright\":\"<'border-bottom-right-radius'>\",\"-moz-osx-font-smoothing\":\"auto | grayscale\",\"-moz-user-select\":\"none | text | all | -moz-none\",\"-ms-flex-align\":\"start | end | center | baseline | stretch\",\"-ms-flex-item-align\":\"auto | start | end | center | baseline | stretch\",\"-ms-flex-line-pack\":\"start | end | center | justify | distribute | stretch\",\"-ms-flex-negative\":\"<'flex-shrink'>\",\"-ms-flex-pack\":\"start | end | center | justify | distribute\",\"-ms-flex-order\":\"<integer>\",\"-ms-flex-positive\":\"<'flex-grow'>\",\"-ms-flex-preferred-size\":\"<'flex-basis'>\",\"-ms-interpolation-mode\":\"nearest-neighbor | bicubic\",\"-ms-grid-column-align\":\"start | end | center | stretch\",\"-ms-grid-row-align\":\"start | end | center | stretch\",\"-webkit-background-clip\":\"[ <box> | border | padding | content | text ]#\",\"-webkit-column-break-after\":\"always | auto | avoid\",\"-webkit-column-break-before\":\"always | auto | avoid\",\"-webkit-column-break-inside\":\"always | auto | avoid\",\"-webkit-font-smoothing\":\"auto | none | antialiased | subpixel-antialiased\",\"-webkit-line-clamp\":\"<positive-integer>\",\"-webkit-mask-box-image\":\"[ <url> | <gradient> | none ] [ <length-percentage>{4} <-webkit-mask-box-repeat>{2} ]?\",\"-webkit-print-color-adjust\":\"economy | exact\",\"-webkit-text-security\":\"none | circle | disc | square\",\"-webkit-user-drag\":\"none | element | auto\",\"-webkit-user-select\":\"auto | none | text | all\",\"alignment-baseline\":\"auto | baseline | before-edge | text-before-edge | middle | central | after-edge | text-after-edge | ideographic | alphabetic | hanging | mathematical\",\"baseline-shift\":\"baseline | sub | super | <svg-length>\",\"behavior\":\"<url>+\",\"clip-rule\":\"nonzero | evenodd\",\"cue\":\"<'cue-before'> <'cue-after'>?\",\"cue-after\":\"<url> <decibel>? | none\",\"cue-before\":\"<url> <decibel>? | none\",\"dominant-baseline\":\"auto | use-script | no-change | reset-size | ideographic | alphabetic | hanging | mathematical | central | middle | text-after-edge | text-before-edge\",\"fill\":\"<paint>\",\"fill-opacity\":\"<number-zero-one>\",\"fill-rule\":\"nonzero | evenodd\",\"glyph-orientation-horizontal\":\"<angle>\",\"glyph-orientation-vertical\":\"<angle>\",\"kerning\":\"auto | <svg-length>\",\"marker\":\"none | <url>\",\"marker-end\":\"none | <url>\",\"marker-mid\":\"none | <url>\",\"marker-start\":\"none | <url>\",\"pause\":\"<'pause-before'> <'pause-after'>?\",\"pause-after\":\"<time> | none | x-weak | weak | medium | strong | x-strong\",\"pause-before\":\"<time> | none | x-weak | weak | medium | strong | x-strong\",\"rest\":\"<'rest-before'> <'rest-after'>?\",\"rest-after\":\"<time> | none | x-weak | weak | medium | strong | x-strong\",\"rest-before\":\"<time> | none | x-weak | weak | medium | strong | x-strong\",\"shape-rendering\":\"auto | optimizeSpeed | crispEdges | geometricPrecision\",\"src\":\"[ <url> [ format( <string># ) ]? | local( <family-name> ) ]#\",\"speak\":\"auto | none | normal\",\"speak-as\":\"normal | spell-out || digits || [ literal-punctuation | no-punctuation ]\",\"stroke\":\"<paint>\",\"stroke-dasharray\":\"none | [ <svg-length>+ ]#\",\"stroke-dashoffset\":\"<svg-length>\",\"stroke-linecap\":\"butt | round | square\",\"stroke-linejoin\":\"miter | round | bevel\",\"stroke-miterlimit\":\"<number-one-or-greater>\",\"stroke-opacity\":\"<number-zero-one>\",\"stroke-width\":\"<svg-length>\",\"text-anchor\":\"start | middle | end\",\"unicode-range\":\"<unicode-range>#\",\"voice-balance\":\"<number> | left | center | right | leftwards | rightwards\",\"voice-duration\":\"auto | <time>\",\"voice-family\":\"[ [ <family-name> | <generic-voice> ] , ]* [ <family-name> | <generic-voice> ] | preserve\",\"voice-pitch\":\"<frequency> && absolute | [ [ x-low | low | medium | high | x-high ] || [ <frequency> | <semitones> | <percentage> ] ]\",\"voice-range\":\"<frequency> && absolute | [ [ x-low | low | medium | high | x-high ] || [ <frequency> | <semitones> | <percentage> ] ]\",\"voice-rate\":\"[ normal | x-slow | slow | medium | fast | x-fast ] || <percentage>\",\"voice-stress\":\"normal | strong | moderate | none | reduced\",\"voice-volume\":\"silent | [ [ x-soft | soft | medium | loud | x-loud ] || <decibel> ]\"}}");

/***/ }),
/* 127 */
/***/ (function(module, exports, __webpack_require__) {

var cmpChar = __webpack_require__(0).cmpChar;
var isNumber = __webpack_require__(0).isNumber;
var TYPE = __webpack_require__(0).TYPE;

var IDENTIFIER = TYPE.Identifier;
var NUMBER = TYPE.Number;
var PLUSSIGN = TYPE.PlusSign;
var HYPHENMINUS = TYPE.HyphenMinus;
var N = 110; // 'n'.charCodeAt(0)
var DISALLOW_SIGN = true;
var ALLOW_SIGN = false;

function checkTokenIsInteger(scanner, disallowSign) {
    var pos = scanner.tokenStart;

    if (scanner.source.charCodeAt(pos) === PLUSSIGN ||
        scanner.source.charCodeAt(pos) === HYPHENMINUS) {
        if (disallowSign) {
            scanner.error();
        }
        pos++;
    }

    for (; pos < scanner.tokenEnd; pos++) {
        if (!isNumber(scanner.source.charCodeAt(pos))) {
            scanner.error('Unexpected input', pos);
        }
    }
}

// An+B microsyntax https://www.w3.org/TR/css-syntax-3/#anb
module.exports = {
    name: 'AnPlusB',
    structure: {
        a: [String, null],
        b: [String, null]
    },
    parse: function() {
        var start = this.scanner.tokenStart;
        var end = start;
        var prefix = '';
        var a = null;
        var b = null;

        if (this.scanner.tokenType === NUMBER ||
            this.scanner.tokenType === PLUSSIGN) {
            checkTokenIsInteger(this.scanner, ALLOW_SIGN);
            prefix = this.scanner.getTokenValue();
            this.scanner.next();
            end = this.scanner.tokenStart;
        }

        if (this.scanner.tokenType === IDENTIFIER) {
            var bStart = this.scanner.tokenStart;

            if (cmpChar(this.scanner.source, bStart, HYPHENMINUS)) {
                if (prefix === '') {
                    prefix = '-';
                    bStart++;
                } else {
                    this.scanner.error('Unexpected hyphen minus');
                }
            }

            if (!cmpChar(this.scanner.source, bStart, N)) {
                this.scanner.error();
            }

            a = prefix === ''  ? '1'  :
                prefix === '+' ? '+1' :
                prefix === '-' ? '-1' :
                prefix;

            var len = this.scanner.tokenEnd - bStart;
            if (len > 1) {
                // ..n-..
                if (this.scanner.source.charCodeAt(bStart + 1) !== HYPHENMINUS) {
                    this.scanner.error('Unexpected input', bStart + 1);
                }

                if (len > 2) {
                    // ..n-{number}..
                    this.scanner.tokenStart = bStart + 2;
                } else {
                    // ..n- {number}
                    this.scanner.next();
                    this.scanner.skipSC();
                }

                checkTokenIsInteger(this.scanner, DISALLOW_SIGN);
                b = '-' + this.scanner.getTokenValue();
                this.scanner.next();
                end = this.scanner.tokenStart;
            } else {
                prefix = '';
                this.scanner.next();
                end = this.scanner.tokenStart;
                this.scanner.skipSC();

                if (this.scanner.tokenType === HYPHENMINUS ||
                    this.scanner.tokenType === PLUSSIGN) {
                    prefix = this.scanner.getTokenValue();
                    this.scanner.next();
                    this.scanner.skipSC();
                }

                if (this.scanner.tokenType === NUMBER) {
                    checkTokenIsInteger(this.scanner, prefix !== '');

                    if (!isNumber(this.scanner.source.charCodeAt(this.scanner.tokenStart))) {
                        prefix = this.scanner.source.charAt(this.scanner.tokenStart);
                        this.scanner.tokenStart++;
                    }

                    if (prefix === '') {
                        // should be an operator before number
                        this.scanner.error();
                    } else if (prefix === '+') {
                        // plus is using by default
                        prefix = '';
                    }

                    b = prefix + this.scanner.getTokenValue();

                    this.scanner.next();
                    end = this.scanner.tokenStart;
                } else {
                    if (prefix) {
                        this.scanner.eat(NUMBER);
                    }
                }
            }
        } else {
            if (prefix === '' || prefix === '+') { // no number
                this.scanner.error(
                    'Number or identifier is expected',
                    this.scanner.tokenStart + (
                        this.scanner.tokenType === PLUSSIGN ||
                        this.scanner.tokenType === HYPHENMINUS
                    )
                );
            }

            b = prefix;
        }

        return {
            type: 'AnPlusB',
            loc: this.getLocation(start, end),
            a: a,
            b: b
        };
    },
    generate: function(node) {
        var a = node.a !== null && node.a !== undefined;
        var b = node.b !== null && node.b !== undefined;

        if (a) {
            this.chunk(
                node.a === '+1' ? '+n' :
                node.a ===  '1' ?  'n' :
                node.a === '-1' ? '-n' :
                node.a + 'n'
            );

            if (b) {
                b = String(node.b);
                if (b.charAt(0) === '-' || b.charAt(0) === '+') {
                    this.chunk(b.charAt(0));
                    this.chunk(b.substr(1));
                } else {
                    this.chunk('+');
                    this.chunk(b);
                }
            }
        } else {
            this.chunk(String(node.b));
        }
    }
};


/***/ }),
/* 128 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var ATKEYWORD = TYPE.AtKeyword;
var SEMICOLON = TYPE.Semicolon;
var LEFTCURLYBRACKET = TYPE.LeftCurlyBracket;
var RIGHTCURLYBRACKET = TYPE.RightCurlyBracket;

function consumeRaw(startToken) {
    return this.Raw(startToken, SEMICOLON, LEFTCURLYBRACKET, false, true);
}

function isDeclarationBlockAtrule() {
    for (var offset = 1, type; type = this.scanner.lookupType(offset); offset++) {
        if (type === RIGHTCURLYBRACKET) {
            return true;
        }

        if (type === LEFTCURLYBRACKET ||
            type === ATKEYWORD) {
            return false;
        }
    }

    return false;
}

module.exports = {
    name: 'Atrule',
    structure: {
        name: String,
        prelude: ['AtrulePrelude', 'Raw', null],
        block: ['Block', null]
    },
    parse: function() {
        var start = this.scanner.tokenStart;
        var name;
        var nameLowerCase;
        var prelude = null;
        var block = null;

        this.scanner.eat(ATKEYWORD);

        name = this.scanner.substrToCursor(start + 1);
        nameLowerCase = name.toLowerCase();
        this.scanner.skipSC();

        // parse prelude
        if (this.scanner.eof === false &&
            this.scanner.tokenType !== LEFTCURLYBRACKET &&
            this.scanner.tokenType !== SEMICOLON) {
            if (this.parseAtrulePrelude) {
                prelude = this.parseWithFallback(this.AtrulePrelude.bind(this, name), consumeRaw);

                // turn empty AtrulePrelude into null
                if (prelude.type === 'AtrulePrelude' && prelude.children.head === null) {
                    prelude = null;
                }
            } else {
                prelude = consumeRaw.call(this, this.scanner.currentToken);
            }

            this.scanner.skipSC();
        }

        switch (this.scanner.tokenType) {
            case SEMICOLON:
                this.scanner.next();
                break;

            case LEFTCURLYBRACKET:
                if (this.atrule.hasOwnProperty(nameLowerCase) &&
                    typeof this.atrule[nameLowerCase].block === 'function') {
                    block = this.atrule[nameLowerCase].block.call(this);
                } else {
                    // TODO: should consume block content as Raw?
                    block = this.Block(isDeclarationBlockAtrule.call(this));
                }

                break;
        }

        return {
            type: 'Atrule',
            loc: this.getLocation(start, this.scanner.tokenStart),
            name: name,
            prelude: prelude,
            block: block
        };
    },
    generate: function(node) {
        this.chunk('@');
        this.chunk(node.name);

        if (node.prelude !== null) {
            this.chunk(' ');
            this.node(node.prelude);
        }

        if (node.block) {
            this.node(node.block);
        } else {
            this.chunk(';');
        }
    },
    walkContext: 'atrule'
};


/***/ }),
/* 129 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var SEMICOLON = TYPE.Semicolon;
var LEFTCURLYBRACKET = TYPE.LeftCurlyBracket;

module.exports = {
    name: 'AtrulePrelude',
    structure: {
        children: [[]]
    },
    parse: function(name) {
        var children = null;

        if (name !== null) {
            name = name.toLowerCase();
        }

        this.scanner.skipSC();

        if (this.atrule.hasOwnProperty(name) &&
            typeof this.atrule[name].prelude === 'function') {
            // custom consumer
            children = this.atrule[name].prelude.call(this);
        } else {
            // default consumer
            children = this.readSequence(this.scope.AtrulePrelude);
        }

        this.scanner.skipSC();

        if (this.scanner.eof !== true &&
            this.scanner.tokenType !== LEFTCURLYBRACKET &&
            this.scanner.tokenType !== SEMICOLON) {
            this.scanner.error('Semicolon or block is expected');
        }

        if (children === null) {
            children = this.createList();
        }

        return {
            type: 'AtrulePrelude',
            loc: this.getLocationFromList(children),
            children: children
        };
    },
    generate: function(node) {
        this.children(node);
    },
    walkContext: 'atrulePrelude'
};


/***/ }),
/* 130 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var IDENTIFIER = TYPE.Identifier;
var STRING = TYPE.String;
var DOLLARSIGN = TYPE.DollarSign;
var ASTERISK = TYPE.Asterisk;
var COLON = TYPE.Colon;
var EQUALSSIGN = TYPE.EqualsSign;
var LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;
var RIGHTSQUAREBRACKET = TYPE.RightSquareBracket;
var CIRCUMFLEXACCENT = TYPE.CircumflexAccent;
var VERTICALLINE = TYPE.VerticalLine;
var TILDE = TYPE.Tilde;

function getAttributeName() {
    if (this.scanner.eof) {
        this.scanner.error('Unexpected end of input');
    }

    var start = this.scanner.tokenStart;
    var expectIdentifier = false;
    var checkColon = true;

    if (this.scanner.tokenType === ASTERISK) {
        expectIdentifier = true;
        checkColon = false;
        this.scanner.next();
    } else if (this.scanner.tokenType !== VERTICALLINE) {
        this.scanner.eat(IDENTIFIER);
    }

    if (this.scanner.tokenType === VERTICALLINE) {
        if (this.scanner.lookupType(1) !== EQUALSSIGN) {
            this.scanner.next();
            this.scanner.eat(IDENTIFIER);
        } else if (expectIdentifier) {
            this.scanner.error('Identifier is expected', this.scanner.tokenEnd);
        }
    } else if (expectIdentifier) {
        this.scanner.error('Vertical line is expected');
    }

    if (checkColon && this.scanner.tokenType === COLON) {
        this.scanner.next();
        this.scanner.eat(IDENTIFIER);
    }

    return {
        type: 'Identifier',
        loc: this.getLocation(start, this.scanner.tokenStart),
        name: this.scanner.substrToCursor(start)
    };
}

function getOperator() {
    var start = this.scanner.tokenStart;
    var tokenType = this.scanner.tokenType;

    if (tokenType !== EQUALSSIGN &&        // =
        tokenType !== TILDE &&             // ~=
        tokenType !== CIRCUMFLEXACCENT &&  // ^=
        tokenType !== DOLLARSIGN &&        // $=
        tokenType !== ASTERISK &&          // *=
        tokenType !== VERTICALLINE         // |=
    ) {
        this.scanner.error('Attribute selector (=, ~=, ^=, $=, *=, |=) is expected');
    }

    if (tokenType === EQUALSSIGN) {
        this.scanner.next();
    } else {
        this.scanner.next();
        this.scanner.eat(EQUALSSIGN);
    }

    return this.scanner.substrToCursor(start);
}

// '[' S* attrib_name ']'
// '[' S* attrib_name S* attrib_matcher S* [ IDENT | STRING ] S* attrib_flags? S* ']'
module.exports = {
    name: 'AttributeSelector',
    structure: {
        name: 'Identifier',
        matcher: [String, null],
        value: ['String', 'Identifier', null],
        flags: [String, null]
    },
    parse: function() {
        var start = this.scanner.tokenStart;
        var name;
        var matcher = null;
        var value = null;
        var flags = null;

        this.scanner.eat(LEFTSQUAREBRACKET);
        this.scanner.skipSC();

        name = getAttributeName.call(this);
        this.scanner.skipSC();

        if (this.scanner.tokenType !== RIGHTSQUAREBRACKET) {
            // avoid case `[name i]`
            if (this.scanner.tokenType !== IDENTIFIER) {
                matcher = getOperator.call(this);

                this.scanner.skipSC();

                value = this.scanner.tokenType === STRING
                    ? this.String()
                    : this.Identifier();

                this.scanner.skipSC();
            }

            // attribute flags
            if (this.scanner.tokenType === IDENTIFIER) {
                flags = this.scanner.getTokenValue();
                this.scanner.next();

                this.scanner.skipSC();
            }
        }

        this.scanner.eat(RIGHTSQUAREBRACKET);

        return {
            type: 'AttributeSelector',
            loc: this.getLocation(start, this.scanner.tokenStart),
            name: name,
            matcher: matcher,
            value: value,
            flags: flags
        };
    },
    generate: function(node) {
        var flagsPrefix = ' ';

        this.chunk('[');
        this.node(node.name);

        if (node.matcher !== null) {
            this.chunk(node.matcher);

            if (node.value !== null) {
                this.node(node.value);

                // space between string and flags is not required
                if (node.value.type === 'String') {
                    flagsPrefix = '';
                }
            }
        }

        if (node.flags !== null) {
            this.chunk(flagsPrefix);
            this.chunk(node.flags);
        }

        this.chunk(']');
    }
};


/***/ }),
/* 131 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var WHITESPACE = TYPE.WhiteSpace;
var COMMENT = TYPE.Comment;
var SEMICOLON = TYPE.Semicolon;
var ATKEYWORD = TYPE.AtKeyword;
var LEFTCURLYBRACKET = TYPE.LeftCurlyBracket;
var RIGHTCURLYBRACKET = TYPE.RightCurlyBracket;

function consumeRaw(startToken) {
    return this.Raw(startToken, 0, 0, false, true);
}
function consumeRule() {
    return this.parseWithFallback(this.Rule, consumeRaw);
}
function consumeRawDeclaration(startToken) {
    return this.Raw(startToken, 0, SEMICOLON, true, true);
}
function consumeDeclaration() {
    if (this.scanner.tokenType === SEMICOLON) {
        return consumeRawDeclaration.call(this, this.scanner.currentToken);
    }

    var node = this.parseWithFallback(this.Declaration, consumeRawDeclaration);

    if (this.scanner.tokenType === SEMICOLON) {
        this.scanner.next();
    }

    return node;
}

module.exports = {
    name: 'Block',
    structure: {
        children: [[
            'Atrule',
            'Rule',
            'Declaration'
        ]]
    },
    parse: function(isDeclaration) {
        var consumer = isDeclaration ? consumeDeclaration : consumeRule;

        var start = this.scanner.tokenStart;
        var children = this.createList();

        this.scanner.eat(LEFTCURLYBRACKET);

        scan:
        while (!this.scanner.eof) {
            switch (this.scanner.tokenType) {
                case RIGHTCURLYBRACKET:
                    break scan;

                case WHITESPACE:
                case COMMENT:
                    this.scanner.next();
                    break;

                case ATKEYWORD:
                    children.push(this.parseWithFallback(this.Atrule, consumeRaw));
                    break;

                default:
                    children.push(consumer.call(this));
            }
        }

        if (!this.scanner.eof) {
            this.scanner.eat(RIGHTCURLYBRACKET);
        }

        return {
            type: 'Block',
            loc: this.getLocation(start, this.scanner.tokenStart),
            children: children
        };
    },
    generate: function(node) {
        this.chunk('{');
        this.children(node, function(prev) {
            if (prev.type === 'Declaration') {
                this.chunk(';');
            }
        });
        this.chunk('}');
    },
    walkContext: 'block'
};


/***/ }),
/* 132 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;
var LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;
var RIGHTSQUAREBRACKET = TYPE.RightSquareBracket;

module.exports = {
    name: 'Brackets',
    structure: {
        children: [[]]
    },
    parse: function(readSequence, recognizer) {
        var start = this.scanner.tokenStart;
        var children = null;

        this.scanner.eat(LEFTSQUAREBRACKET);

        children = readSequence.call(this, recognizer);

        if (!this.scanner.eof) {
            this.scanner.eat(RIGHTSQUAREBRACKET);
        }

        return {
            type: 'Brackets',
            loc: this.getLocation(start, this.scanner.tokenStart),
            children: children
        };
    },
    generate: function(node) {
        this.chunk('[');
        this.children(node);
        this.chunk(']');
    }
};


/***/ }),
/* 133 */
/***/ (function(module, exports, __webpack_require__) {

var CDC = __webpack_require__(0).TYPE.CDC;

module.exports = {
    name: 'CDC',
    structure: [],
    parse: function() {
        var start = this.scanner.tokenStart;

        this.scanner.eat(CDC); // -->

        return {
            type: 'CDC',
            loc: this.getLocation(start, this.scanner.tokenStart)
        };
    },
    generate: function() {
        this.chunk('-->');
    }
};


/***/ }),
/* 134 */
/***/ (function(module, exports, __webpack_require__) {

var CDO = __webpack_require__(0).TYPE.CDO;

module.exports = {
    name: 'CDO',
    structure: [],
    parse: function() {
        var start = this.scanner.tokenStart;

        this.scanner.eat(CDO); // <!--

        return {
            type: 'CDO',
            loc: this.getLocation(start, this.scanner.tokenStart)
        };
    },
    generate: function() {
        this.chunk('<!--');
    }
};


/***/ }),
/* 135 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;
var IDENTIFIER = TYPE.Identifier;
var FULLSTOP = TYPE.FullStop;

// '.' ident
module.exports = {
    name: 'ClassSelector',
    structure: {
        name: String
    },
    parse: function() {
        this.scanner.eat(FULLSTOP);

        return {
            type: 'ClassSelector',
            loc: this.getLocation(this.scanner.tokenStart - 1, this.scanner.tokenEnd),
            name: this.scanner.consume(IDENTIFIER)
        };
    },
    generate: function(node) {
        this.chunk('.');
        this.chunk(node.name);
    }
};


/***/ }),
/* 136 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var PLUSSIGN = TYPE.PlusSign;
var SOLIDUS = TYPE.Solidus;
var GREATERTHANSIGN = TYPE.GreaterThanSign;
var TILDE = TYPE.Tilde;

// + | > | ~ | /deep/
module.exports = {
    name: 'Combinator',
    structure: {
        name: String
    },
    parse: function() {
        var start = this.scanner.tokenStart;

        switch (this.scanner.tokenType) {
            case GREATERTHANSIGN:
            case PLUSSIGN:
            case TILDE:
                this.scanner.next();
                break;

            case SOLIDUS:
                this.scanner.next();
                this.scanner.expectIdentifier('deep');
                this.scanner.eat(SOLIDUS);
                break;

            default:
                this.scanner.error('Combinator is expected');
        }

        return {
            type: 'Combinator',
            loc: this.getLocation(start, this.scanner.tokenStart),
            name: this.scanner.substrToCursor(start)
        };
    },
    generate: function(node) {
        this.chunk(node.name);
    }
};


/***/ }),
/* 137 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var ASTERISK = TYPE.Asterisk;
var SOLIDUS = TYPE.Solidus;

// '/*' .* '*/'
module.exports = {
    name: 'Comment',
    structure: {
        value: String
    },
    parse: function() {
        var start = this.scanner.tokenStart;
        var end = this.scanner.tokenEnd;

        if ((end - start + 2) >= 2 &&
            this.scanner.source.charCodeAt(end - 2) === ASTERISK &&
            this.scanner.source.charCodeAt(end - 1) === SOLIDUS) {
            end -= 2;
        }

        this.scanner.next();

        return {
            type: 'Comment',
            loc: this.getLocation(start, this.scanner.tokenStart),
            value: this.scanner.source.substring(start + 2, end)
        };
    },
    generate: function(node) {
        this.chunk('/*');
        this.chunk(node.value);
        this.chunk('*/');
    }
};


/***/ }),
/* 138 */
/***/ (function(module, exports, __webpack_require__) {

var isCustomProperty = __webpack_require__(26).isCustomProperty;
var TYPE = __webpack_require__(0).TYPE;

var IDENTIFIER = TYPE.Identifier;
var COLON = TYPE.Colon;
var EXCLAMATIONMARK = TYPE.ExclamationMark;
var SOLIDUS = TYPE.Solidus;
var ASTERISK = TYPE.Asterisk;
var DOLLARSIGN = TYPE.DollarSign;
var HYPHENMINUS = TYPE.HyphenMinus;
var SEMICOLON = TYPE.Semicolon;
var PLUSSIGN = TYPE.PlusSign;
var NUMBERSIGN = TYPE.NumberSign;

function consumeValueRaw(startToken) {
    return this.Raw(startToken, EXCLAMATIONMARK, SEMICOLON, false, true);
}

function consumeCustomPropertyRaw(startToken) {
    return this.Raw(startToken, EXCLAMATIONMARK, SEMICOLON, false, false);
}

function consumeValue() {
    var startValueToken = this.scanner.currentToken;
    var value = this.Value();

    if (value.type !== 'Raw' &&
        this.scanner.eof === false &&
        this.scanner.tokenType !== SEMICOLON &&
        this.scanner.tokenType !== EXCLAMATIONMARK &&
        this.scanner.isBalanceEdge(startValueToken) === false) {
        this.scanner.error();
    }

    return value;
}

module.exports = {
    name: 'Declaration',
    structure: {
        important: [Boolean, String],
        property: String,
        value: ['Value', 'Raw']
    },
    parse: function() {
        var start = this.scanner.tokenStart;
        var startToken = this.scanner.currentToken;
        var property = readProperty.call(this);
        var customProperty = isCustomProperty(property);
        var parseValue = customProperty ? this.parseCustomProperty : this.parseValue;
        var consumeRaw = customProperty ? consumeCustomPropertyRaw : consumeValueRaw;
        var important = false;
        var value;

        this.scanner.skipSC();
        this.scanner.eat(COLON);

        if (!customProperty) {
            this.scanner.skipSC();
        }

        if (parseValue) {
            value = this.parseWithFallback(consumeValue, consumeRaw);
        } else {
            value = consumeRaw.call(this, this.scanner.currentToken);
        }

        if (this.scanner.tokenType === EXCLAMATIONMARK) {
            important = getImportant(this.scanner);
            this.scanner.skipSC();
        }

        // Do not include semicolon to range per spec
        // https://drafts.csswg.org/css-syntax/#declaration-diagram

        if (this.scanner.eof === false &&
            this.scanner.tokenType !== SEMICOLON &&
            this.scanner.isBalanceEdge(startToken) === false) {
            this.scanner.error();
        }

        return {
            type: 'Declaration',
            loc: this.getLocation(start, this.scanner.tokenStart),
            important: important,
            property: property,
            value: value
        };
    },
    generate: function(node) {
        this.chunk(node.property);
        this.chunk(':');
        this.node(node.value);

        if (node.important) {
            this.chunk(node.important === true ? '!important' : '!' + node.important);
        }
    },
    walkContext: 'declaration'
};

function readProperty() {
    var start = this.scanner.tokenStart;
    var prefix = 0;

    // hacks
    switch (this.scanner.tokenType) {
        case ASTERISK:
        case DOLLARSIGN:
        case PLUSSIGN:
        case NUMBERSIGN:
            prefix = 1;
            break;

        // TODO: not sure we should support this hack
        case SOLIDUS:
            prefix = this.scanner.lookupType(1) === SOLIDUS ? 2 : 1;
            break;
    }

    if (this.scanner.lookupType(prefix) === HYPHENMINUS) {
        prefix++;
    }

    if (prefix) {
        this.scanner.skip(prefix);
    }

    this.scanner.eat(IDENTIFIER);

    return this.scanner.substrToCursor(start);
}

// ! ws* important
function getImportant(scanner) {
    scanner.eat(EXCLAMATIONMARK);
    scanner.skipSC();

    var important = scanner.consume(IDENTIFIER);

    // store original value in case it differ from `important`
    // for better original source restoring and hacks like `!ie` support
    return important === 'important' ? true : important;
}


/***/ }),
/* 139 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var WHITESPACE = TYPE.WhiteSpace;
var COMMENT = TYPE.Comment;
var SEMICOLON = TYPE.Semicolon;

function consumeRaw(startToken) {
    return this.Raw(startToken, 0, SEMICOLON, true, true);
}

module.exports = {
    name: 'DeclarationList',
    structure: {
        children: [[
            'Declaration'
        ]]
    },
    parse: function() {
        var children = this.createList();

        scan:
        while (!this.scanner.eof) {
            switch (this.scanner.tokenType) {
                case WHITESPACE:
                case COMMENT:
                case SEMICOLON:
                    this.scanner.next();
                    break;

                default:
                    children.push(this.parseWithFallback(this.Declaration, consumeRaw));
            }
        }

        return {
            type: 'DeclarationList',
            loc: this.getLocationFromList(children),
            children: children
        };
    },
    generate: function(node) {
        this.children(node, function(prev) {
            if (prev.type === 'Declaration') {
                this.chunk(';');
            }
        });
    }
};


/***/ }),
/* 140 */
/***/ (function(module, exports, __webpack_require__) {

var NUMBER = __webpack_require__(0).TYPE.Number;

// special reader for units to avoid adjoined IE hacks (i.e. '1px\9')
function readUnit(scanner) {
    var unit = scanner.getTokenValue();
    var backSlashPos = unit.indexOf('\\');

    if (backSlashPos > 0) {
        // patch token offset
        scanner.tokenStart += backSlashPos;

        // return part before backslash
        return unit.substring(0, backSlashPos);
    }

    // no backslash in unit name
    scanner.next();

    return unit;
}

// number ident
module.exports = {
    name: 'Dimension',
    structure: {
        value: String,
        unit: String
    },
    parse: function() {
        var start = this.scanner.tokenStart;
        var value = this.scanner.consume(NUMBER);
        var unit = readUnit(this.scanner);

        return {
            type: 'Dimension',
            loc: this.getLocation(start, this.scanner.tokenStart),
            value: value,
            unit: unit
        };
    },
    generate: function(node) {
        this.chunk(node.value);
        this.chunk(node.unit);
    }
};


/***/ }),
/* 141 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;
var RIGHTPARENTHESIS = TYPE.RightParenthesis;

// <function-token> <sequence> ')'
module.exports = {
    name: 'Function',
    structure: {
        name: String,
        children: [[]]
    },
    parse: function(readSequence, recognizer) {
        var start = this.scanner.tokenStart;
        var name = this.scanner.consumeFunctionName();
        var nameLowerCase = name.toLowerCase();
        var children;

        children = recognizer.hasOwnProperty(nameLowerCase)
            ? recognizer[nameLowerCase].call(this, recognizer)
            : readSequence.call(this, recognizer);

        if (!this.scanner.eof) {
            this.scanner.eat(RIGHTPARENTHESIS);
        }

        return {
            type: 'Function',
            loc: this.getLocation(start, this.scanner.tokenStart),
            name: name,
            children: children
        };
    },
    generate: function(node) {
        this.chunk(node.name);
        this.chunk('(');
        this.children(node);
        this.chunk(')');
    },
    walkContext: 'function'
};


/***/ }),
/* 142 */
/***/ (function(module, exports, __webpack_require__) {

var isHex = __webpack_require__(0).isHex;
var TYPE = __webpack_require__(0).TYPE;

var IDENTIFIER = TYPE.Identifier;
var NUMBER = TYPE.Number;
var NUMBERSIGN = TYPE.NumberSign;

function consumeHexSequence(scanner, required) {
    if (!isHex(scanner.source.charCodeAt(scanner.tokenStart))) {
        if (required) {
            scanner.error('Unexpected input', scanner.tokenStart);
        } else {
            return;
        }
    }

    for (var pos = scanner.tokenStart + 1; pos < scanner.tokenEnd; pos++) {
        var code = scanner.source.charCodeAt(pos);

        // break on non-hex char
        if (!isHex(code)) {
            // break token, exclude symbol
            scanner.tokenStart = pos;
            return;
        }
    }

    // token is full hex sequence, go to next token
    scanner.next();
}

// # ident
module.exports = {
    name: 'HexColor',
    structure: {
        value: String
    },
    parse: function() {
        var start = this.scanner.tokenStart;

        this.scanner.eat(NUMBERSIGN);

        scan:
        switch (this.scanner.tokenType) {
            case NUMBER:
                consumeHexSequence(this.scanner, true);

                // if token is identifier then number consists of hex only,
                // try to add identifier to result
                if (this.scanner.tokenType === IDENTIFIER) {
                    consumeHexSequence(this.scanner, false);
                }

                break;

            case IDENTIFIER:
                consumeHexSequence(this.scanner, true);
                break;

            default:
                this.scanner.error('Number or identifier is expected');
        }

        return {
            type: 'HexColor',
            loc: this.getLocation(start, this.scanner.tokenStart),
            value: this.scanner.substrToCursor(start + 1) // skip #
        };
    },
    generate: function(node) {
        this.chunk('#');
        this.chunk(node.value);
    }
};


/***/ }),
/* 143 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;
var IDENTIFIER = TYPE.Identifier;

module.exports = {
    name: 'Identifier',
    structure: {
        name: String
    },
    parse: function() {
        return {
            type: 'Identifier',
            loc: this.getLocation(this.scanner.tokenStart, this.scanner.tokenEnd),
            name: this.scanner.consume(IDENTIFIER)
        };
    },
    generate: function(node) {
        this.chunk(node.name);
    }
};


/***/ }),
/* 144 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;
var IDENTIFIER = TYPE.Identifier;
var NUMBERSIGN = TYPE.NumberSign;

// '#' ident
module.exports = {
    name: 'IdSelector',
    structure: {
        name: String
    },
    parse: function() {
        this.scanner.eat(NUMBERSIGN);

        return {
            type: 'IdSelector',
            loc: this.getLocation(this.scanner.tokenStart - 1, this.scanner.tokenEnd),
            name: this.scanner.consume(IDENTIFIER)
        };
    },
    generate: function(node) {
        this.chunk('#');
        this.chunk(node.name);
    }
};


/***/ }),
/* 145 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var IDENTIFIER = TYPE.Identifier;
var NUMBER = TYPE.Number;
var LEFTPARENTHESIS = TYPE.LeftParenthesis;
var RIGHTPARENTHESIS = TYPE.RightParenthesis;
var COLON = TYPE.Colon;
var SOLIDUS = TYPE.Solidus;

module.exports = {
    name: 'MediaFeature',
    structure: {
        name: String,
        value: ['Identifier', 'Number', 'Dimension', 'Ratio', null]
    },
    parse: function() {
        var start = this.scanner.tokenStart;
        var name;
        var value = null;

        this.scanner.eat(LEFTPARENTHESIS);
        this.scanner.skipSC();

        name = this.scanner.consume(IDENTIFIER);
        this.scanner.skipSC();

        if (this.scanner.tokenType !== RIGHTPARENTHESIS) {
            this.scanner.eat(COLON);
            this.scanner.skipSC();

            switch (this.scanner.tokenType) {
                case NUMBER:
                    if (this.scanner.lookupType(1) === IDENTIFIER) {
                        value = this.Dimension();
                    } else if (this.scanner.lookupNonWSType(1) === SOLIDUS) {
                        value = this.Ratio();
                    } else {
                        value = this.Number();
                    }

                    break;

                case IDENTIFIER:
                    value = this.Identifier();

                    break;

                default:
                    this.scanner.error('Number, dimension, ratio or identifier is expected');
            }

            this.scanner.skipSC();
        }

        this.scanner.eat(RIGHTPARENTHESIS);

        return {
            type: 'MediaFeature',
            loc: this.getLocation(start, this.scanner.tokenStart),
            name: name,
            value: value
        };
    },
    generate: function(node) {
        this.chunk('(');
        this.chunk(node.name);
        if (node.value !== null) {
            this.chunk(':');
            this.node(node.value);
        }
        this.chunk(')');
    }
};


/***/ }),
/* 146 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var WHITESPACE = TYPE.WhiteSpace;
var COMMENT = TYPE.Comment;
var IDENTIFIER = TYPE.Identifier;
var LEFTPARENTHESIS = TYPE.LeftParenthesis;

module.exports = {
    name: 'MediaQuery',
    structure: {
        children: [[
            'Identifier',
            'MediaFeature',
            'WhiteSpace'
        ]]
    },
    parse: function() {
        this.scanner.skipSC();

        var children = this.createList();
        var child = null;
        var space = null;

        scan:
        while (!this.scanner.eof) {
            switch (this.scanner.tokenType) {
                case COMMENT:
                    this.scanner.next();
                    continue;

                case WHITESPACE:
                    space = this.WhiteSpace();
                    continue;

                case IDENTIFIER:
                    child = this.Identifier();
                    break;

                case LEFTPARENTHESIS:
                    child = this.MediaFeature();
                    break;

                default:
                    break scan;
            }

            if (space !== null) {
                children.push(space);
                space = null;
            }

            children.push(child);
        }

        if (child === null) {
            this.scanner.error('Identifier or parenthesis is expected');
        }

        return {
            type: 'MediaQuery',
            loc: this.getLocationFromList(children),
            children: children
        };
    },
    generate: function(node) {
        this.children(node);
    }
};


/***/ }),
/* 147 */
/***/ (function(module, exports, __webpack_require__) {

var COMMA = __webpack_require__(0).TYPE.Comma;

module.exports = {
    name: 'MediaQueryList',
    structure: {
        children: [[
            'MediaQuery'
        ]]
    },
    parse: function(relative) {
        var children = this.createList();

        this.scanner.skipSC();

        while (!this.scanner.eof) {
            children.push(this.MediaQuery(relative));

            if (this.scanner.tokenType !== COMMA) {
                break;
            }

            this.scanner.next();
        }

        return {
            type: 'MediaQueryList',
            loc: this.getLocationFromList(children),
            children: children
        };
    },
    generate: function(node) {
        this.children(node, function() {
            this.chunk(',');
        });
    }
};


/***/ }),
/* 148 */
/***/ (function(module, exports) {

// https://drafts.csswg.org/css-syntax-3/#the-anb-type
module.exports = {
    name: 'Nth',
    structure: {
        nth: ['AnPlusB', 'Identifier'],
        selector: ['SelectorList', null]
    },
    parse: function(allowOfClause) {
        this.scanner.skipSC();

        var start = this.scanner.tokenStart;
        var end = start;
        var selector = null;
        var query;

        if (this.scanner.lookupValue(0, 'odd') || this.scanner.lookupValue(0, 'even')) {
            query = this.Identifier();
        } else {
            query = this.AnPlusB();
        }

        this.scanner.skipSC();

        if (allowOfClause && this.scanner.lookupValue(0, 'of')) {
            this.scanner.next();

            selector = this.SelectorList();

            if (this.needPositions) {
                end = this.getLastListNode(selector.children).loc.end.offset;
            }
        } else {
            if (this.needPositions) {
                end = query.loc.end.offset;
            }
        }

        return {
            type: 'Nth',
            loc: this.getLocation(start, end),
            nth: query,
            selector: selector
        };
    },
    generate: function(node) {
        this.node(node.nth);
        if (node.selector !== null) {
            this.chunk(' of ');
            this.node(node.selector);
        }
    }
};


/***/ }),
/* 149 */
/***/ (function(module, exports, __webpack_require__) {

var NUMBER = __webpack_require__(0).TYPE.Number;

module.exports = {
    name: 'Number',
    structure: {
        value: String
    },
    parse: function() {
        return {
            type: 'Number',
            loc: this.getLocation(this.scanner.tokenStart, this.scanner.tokenEnd),
            value: this.scanner.consume(NUMBER)
        };
    },
    generate: function(node) {
        this.chunk(node.value);
    }
};


/***/ }),
/* 150 */
/***/ (function(module, exports) {

// '/' | '*' | ',' | ':' | '+' | '-'
module.exports = {
    name: 'Operator',
    structure: {
        value: String
    },
    parse: function() {
        var start = this.scanner.tokenStart;

        this.scanner.next();

        return {
            type: 'Operator',
            loc: this.getLocation(start, this.scanner.tokenStart),
            value: this.scanner.substrToCursor(start)
        };
    },
    generate: function(node) {
        this.chunk(node.value);
    }
};


/***/ }),
/* 151 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;
var LEFTPARENTHESIS = TYPE.LeftParenthesis;
var RIGHTPARENTHESIS = TYPE.RightParenthesis;

module.exports = {
    name: 'Parentheses',
    structure: {
        children: [[]]
    },
    parse: function(readSequence, recognizer) {
        var start = this.scanner.tokenStart;
        var children = null;

        this.scanner.eat(LEFTPARENTHESIS);

        children = readSequence.call(this, recognizer);

        if (!this.scanner.eof) {
            this.scanner.eat(RIGHTPARENTHESIS);
        }

        return {
            type: 'Parentheses',
            loc: this.getLocation(start, this.scanner.tokenStart),
            children: children
        };
    },
    generate: function(node) {
        this.chunk('(');
        this.children(node);
        this.chunk(')');
    }
};


/***/ }),
/* 152 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var NUMBER = TYPE.Number;
var PERCENTSIGN = TYPE.PercentSign;

module.exports = {
    name: 'Percentage',
    structure: {
        value: String
    },
    parse: function() {
        var start = this.scanner.tokenStart;
        var number = this.scanner.consume(NUMBER);

        this.scanner.eat(PERCENTSIGN);

        return {
            type: 'Percentage',
            loc: this.getLocation(start, this.scanner.tokenStart),
            value: number
        };
    },
    generate: function(node) {
        this.chunk(node.value);
        this.chunk('%');
    }
};


/***/ }),
/* 153 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var IDENTIFIER = TYPE.Identifier;
var FUNCTION = TYPE.Function;
var COLON = TYPE.Colon;
var RIGHTPARENTHESIS = TYPE.RightParenthesis;

// : ident [ '(' .. ')' ]?
module.exports = {
    name: 'PseudoClassSelector',
    structure: {
        name: String,
        children: [['Raw'], null]
    },
    parse: function() {
        var start = this.scanner.tokenStart;
        var children = null;
        var name;
        var nameLowerCase;

        this.scanner.eat(COLON);

        if (this.scanner.tokenType === FUNCTION) {
            name = this.scanner.consumeFunctionName();
            nameLowerCase = name.toLowerCase();

            if (this.pseudo.hasOwnProperty(nameLowerCase)) {
                this.scanner.skipSC();
                children = this.pseudo[nameLowerCase].call(this);
                this.scanner.skipSC();
            } else {
                children = this.createList();
                children.push(
                    this.Raw(this.scanner.currentToken, 0, 0, false, false)
                );
            }

            this.scanner.eat(RIGHTPARENTHESIS);
        } else {
            name = this.scanner.consume(IDENTIFIER);
        }

        return {
            type: 'PseudoClassSelector',
            loc: this.getLocation(start, this.scanner.tokenStart),
            name: name,
            children: children
        };
    },
    generate: function(node) {
        this.chunk(':');
        this.chunk(node.name);

        if (node.children !== null) {
            this.chunk('(');
            this.children(node);
            this.chunk(')');
        }
    },
    walkContext: 'function'
};


/***/ }),
/* 154 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var IDENTIFIER = TYPE.Identifier;
var FUNCTION = TYPE.Function;
var COLON = TYPE.Colon;
var RIGHTPARENTHESIS = TYPE.RightParenthesis;

// :: ident [ '(' .. ')' ]?
module.exports = {
    name: 'PseudoElementSelector',
    structure: {
        name: String,
        children: [['Raw'], null]
    },
    parse: function() {
        var start = this.scanner.tokenStart;
        var children = null;
        var name;
        var nameLowerCase;

        this.scanner.eat(COLON);
        this.scanner.eat(COLON);

        if (this.scanner.tokenType === FUNCTION) {
            name = this.scanner.consumeFunctionName();
            nameLowerCase = name.toLowerCase();

            if (this.pseudo.hasOwnProperty(nameLowerCase)) {
                this.scanner.skipSC();
                children = this.pseudo[nameLowerCase].call(this);
                this.scanner.skipSC();
            } else {
                children = this.createList();
                children.push(
                    this.Raw(this.scanner.currentToken, 0, 0, false, false)
                );
            }

            this.scanner.eat(RIGHTPARENTHESIS);
        } else {
            name = this.scanner.consume(IDENTIFIER);
        }

        return {
            type: 'PseudoElementSelector',
            loc: this.getLocation(start, this.scanner.tokenStart),
            name: name,
            children: children
        };
    },
    generate: function(node) {
        this.chunk('::');
        this.chunk(node.name);

        if (node.children !== null) {
            this.chunk('(');
            this.children(node);
            this.chunk(')');
        }
    },
    walkContext: 'function'
};


/***/ }),
/* 155 */
/***/ (function(module, exports, __webpack_require__) {

var isNumber = __webpack_require__(0).isNumber;
var TYPE = __webpack_require__(0).TYPE;
var NUMBER = TYPE.Number;
var SOLIDUS = TYPE.Solidus;
var FULLSTOP = TYPE.FullStop;

// Terms of <ratio> should to be a positive number (not zero or negative)
// (see https://drafts.csswg.org/mediaqueries-3/#values)
// However, -o-min-device-pixel-ratio takes fractional values as a ratio's term
// and this is using by various sites. Therefore we relax checking on parse
// to test a term is unsigned number without exponent part.
// Additional checks may to be applied on lexer validation.
function consumeNumber(scanner) {
    var value = scanner.consumeNonWS(NUMBER);

    for (var i = 0; i < value.length; i++) {
        var code = value.charCodeAt(i);
        if (!isNumber(code) && code !== FULLSTOP) {
            scanner.error('Unsigned number is expected', scanner.tokenStart - value.length + i);
        }
    }

    if (Number(value) === 0) {
        scanner.error('Zero number is not allowed', scanner.tokenStart - value.length);
    }

    return value;
}

// <positive-integer> S* '/' S* <positive-integer>
module.exports = {
    name: 'Ratio',
    structure: {
        left: String,
        right: String
    },
    parse: function() {
        var start = this.scanner.tokenStart;
        var left = consumeNumber(this.scanner);
        var right;

        this.scanner.eatNonWS(SOLIDUS);
        right = consumeNumber(this.scanner);

        return {
            type: 'Ratio',
            loc: this.getLocation(start, this.scanner.tokenStart),
            left: left,
            right: right
        };
    },
    generate: function(node) {
        this.chunk(node.left);
        this.chunk('/');
        this.chunk(node.right);
    }
};


/***/ }),
/* 156 */
/***/ (function(module, exports) {

module.exports = {
    name: 'Raw',
    structure: {
        value: String
    },
    parse: function(startToken, endTokenType1, endTokenType2, includeTokenType2, excludeWhiteSpace) {
        var startOffset = this.scanner.getTokenStart(startToken);
        var endOffset;

        this.scanner.skip(
            this.scanner.getRawLength(
                startToken,
                endTokenType1,
                endTokenType2,
                includeTokenType2
            )
        );

        if (excludeWhiteSpace && this.scanner.tokenStart > startOffset) {
            endOffset = this.scanner.getOffsetExcludeWS();
        } else {
            endOffset = this.scanner.tokenStart;
        }

        return {
            type: 'Raw',
            loc: this.getLocation(startOffset, endOffset),
            value: this.scanner.source.substring(startOffset, endOffset)
        };
    },
    generate: function(node) {
        this.chunk(node.value);
    }
};


/***/ }),
/* 157 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var LEFTCURLYBRACKET = TYPE.LeftCurlyBracket;

function consumeRaw(startToken) {
    return this.Raw(startToken, LEFTCURLYBRACKET, 0, false, true);
}

function consumePrelude() {
    var prelude = this.SelectorList();

    if (prelude.type !== 'Raw' &&
        this.scanner.eof === false &&
        this.scanner.tokenType !== LEFTCURLYBRACKET) {
        this.scanner.error();
    }

    return prelude;
}

module.exports = {
    name: 'Rule',
    structure: {
        prelude: ['SelectorList', 'Raw'],
        block: ['Block']
    },
    parse: function() {
        var startToken = this.scanner.currentToken;
        var startOffset = this.scanner.tokenStart;
        var prelude;
        var block;

        if (this.parseRulePrelude) {
            prelude = this.parseWithFallback(consumePrelude, consumeRaw);
        } else {
            prelude = consumeRaw.call(this, startToken);
        }

        block = this.Block(true);

        return {
            type: 'Rule',
            loc: this.getLocation(startOffset, this.scanner.tokenStart),
            prelude: prelude,
            block: block
        };
    },
    generate: function(node) {
        this.node(node.prelude);
        this.node(node.block);
    },
    walkContext: 'rule'
};


/***/ }),
/* 158 */
/***/ (function(module, exports) {

module.exports = {
    name: 'Selector',
    structure: {
        children: [[
            'TypeSelector',
            'IdSelector',
            'ClassSelector',
            'AttributeSelector',
            'PseudoClassSelector',
            'PseudoElementSelector',
            'Combinator',
            'WhiteSpace'
        ]]
    },
    parse: function() {
        var children = this.readSequence(this.scope.Selector);

        // nothing were consumed
        if (this.getFirstListNode(children) === null) {
            this.scanner.error('Selector is expected');
        }

        return {
            type: 'Selector',
            loc: this.getLocationFromList(children),
            children: children
        };
    },
    generate: function(node) {
        this.children(node);
    }
};


/***/ }),
/* 159 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var COMMA = TYPE.Comma;

module.exports = {
    name: 'SelectorList',
    structure: {
        children: [[
            'Selector',
            'Raw'
        ]]
    },
    parse: function() {
        var children = this.createList();

        while (!this.scanner.eof) {
            children.push(this.Selector());

            if (this.scanner.tokenType === COMMA) {
                this.scanner.next();
                continue;
            }

            break;
        }

        return {
            type: 'SelectorList',
            loc: this.getLocationFromList(children),
            children: children
        };
    },
    generate: function(node) {
        this.children(node, function() {
            this.chunk(',');
        });
    },
    walkContext: 'selector'
};


/***/ }),
/* 160 */
/***/ (function(module, exports, __webpack_require__) {

var STRING = __webpack_require__(0).TYPE.String;

module.exports = {
    name: 'String',
    structure: {
        value: String
    },
    parse: function() {
        return {
            type: 'String',
            loc: this.getLocation(this.scanner.tokenStart, this.scanner.tokenEnd),
            value: this.scanner.consume(STRING)
        };
    },
    generate: function(node) {
        this.chunk(node.value);
    }
};


/***/ }),
/* 161 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var WHITESPACE = TYPE.WhiteSpace;
var COMMENT = TYPE.Comment;
var EXCLAMATIONMARK = TYPE.ExclamationMark;
var ATKEYWORD = TYPE.AtKeyword;
var CDO = TYPE.CDO;
var CDC = TYPE.CDC;

function consumeRaw(startToken) {
    return this.Raw(startToken, 0, 0, false, false);
}

module.exports = {
    name: 'StyleSheet',
    structure: {
        children: [[
            'Comment',
            'CDO',
            'CDC',
            'Atrule',
            'Rule',
            'Raw'
        ]]
    },
    parse: function() {
        var start = this.scanner.tokenStart;
        var children = this.createList();
        var child;

        scan:
        while (!this.scanner.eof) {
            switch (this.scanner.tokenType) {
                case WHITESPACE:
                    this.scanner.next();
                    continue;

                case COMMENT:
                    // ignore comments except exclamation comments (i.e. /*! .. */) on top level
                    if (this.scanner.source.charCodeAt(this.scanner.tokenStart + 2) !== EXCLAMATIONMARK) {
                        this.scanner.next();
                        continue;
                    }

                    child = this.Comment();
                    break;

                case CDO: // <!--
                    child = this.CDO();
                    break;

                case CDC: // -->
                    child = this.CDC();
                    break;

                // CSS Syntax Module Level 3
                // §2.2 Error handling
                // At the "top level" of a stylesheet, an <at-keyword-token> starts an at-rule.
                case ATKEYWORD:
                    child = this.parseWithFallback(this.Atrule, consumeRaw);
                    break;

                // Anything else starts a qualified rule ...
                default:
                    child = this.parseWithFallback(this.Rule, consumeRaw);
            }

            children.push(child);
        }

        return {
            type: 'StyleSheet',
            loc: this.getLocation(start, this.scanner.tokenStart),
            children: children
        };
    },
    generate: function(node) {
        this.children(node);
    },
    walkContext: 'stylesheet'
};


/***/ }),
/* 162 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var IDENTIFIER = TYPE.Identifier;
var ASTERISK = TYPE.Asterisk;
var VERTICALLINE = TYPE.VerticalLine;

function eatIdentifierOrAsterisk() {
    if (this.scanner.tokenType !== IDENTIFIER &&
        this.scanner.tokenType !== ASTERISK) {
        this.scanner.error('Identifier or asterisk is expected');
    }

    this.scanner.next();
}

// ident
// ident|ident
// ident|*
// *
// *|ident
// *|*
// |ident
// |*
module.exports = {
    name: 'TypeSelector',
    structure: {
        name: String
    },
    parse: function() {
        var start = this.scanner.tokenStart;

        if (this.scanner.tokenType === VERTICALLINE) {
            this.scanner.next();
            eatIdentifierOrAsterisk.call(this);
        } else {
            eatIdentifierOrAsterisk.call(this);

            if (this.scanner.tokenType === VERTICALLINE) {
                this.scanner.next();
                eatIdentifierOrAsterisk.call(this);
            }
        }

        return {
            type: 'TypeSelector',
            loc: this.getLocation(start, this.scanner.tokenStart),
            name: this.scanner.substrToCursor(start)
        };
    },
    generate: function(node) {
        this.chunk(node.name);
    }
};


/***/ }),
/* 163 */
/***/ (function(module, exports, __webpack_require__) {

var isHex = __webpack_require__(0).isHex;
var TYPE = __webpack_require__(0).TYPE;

var IDENTIFIER = TYPE.Identifier;
var NUMBER = TYPE.Number;
var PLUSSIGN = TYPE.PlusSign;
var HYPHENMINUS = TYPE.HyphenMinus;
var FULLSTOP = TYPE.FullStop;
var QUESTIONMARK = TYPE.QuestionMark;

function scanUnicodeNumber(scanner) {
    for (var pos = scanner.tokenStart + 1; pos < scanner.tokenEnd; pos++) {
        var code = scanner.source.charCodeAt(pos);

        // break on fullstop or hyperminus/plussign after exponent
        if (code === FULLSTOP || code === PLUSSIGN) {
            // break token, exclude symbol
            scanner.tokenStart = pos;
            return false;
        }
    }

    return true;
}

// https://drafts.csswg.org/css-syntax-3/#urange
function scanUnicodeRange(scanner) {
    var hexStart = scanner.tokenStart + 1; // skip +
    var hexLength = 0;

    scan: {
        if (scanner.tokenType === NUMBER) {
            if (scanner.source.charCodeAt(scanner.tokenStart) !== FULLSTOP && scanUnicodeNumber(scanner)) {
                scanner.next();
            } else if (scanner.source.charCodeAt(scanner.tokenStart) !== HYPHENMINUS) {
                break scan;
            }
        } else {
            scanner.next(); // PLUSSIGN
        }

        if (scanner.tokenType === HYPHENMINUS) {
            scanner.next();
        }

        if (scanner.tokenType === NUMBER) {
            scanner.next();
        }

        if (scanner.tokenType === IDENTIFIER) {
            scanner.next();
        }

        if (scanner.tokenStart === hexStart) {
            scanner.error('Unexpected input', hexStart);
        }
    }

    // validate for U+x{1,6} or U+x{1,6}-x{1,6}
    // where x is [0-9a-fA-F]
    for (var i = hexStart, wasHyphenMinus = false; i < scanner.tokenStart; i++) {
        var code = scanner.source.charCodeAt(i);

        if (isHex(code) === false && (code !== HYPHENMINUS || wasHyphenMinus)) {
            scanner.error('Unexpected input', i);
        }

        if (code === HYPHENMINUS) {
            // hex sequence shouldn't be an empty
            if (hexLength === 0) {
                scanner.error('Unexpected input', i);
            }

            wasHyphenMinus = true;
            hexLength = 0;
        } else {
            hexLength++;

            // too long hex sequence
            if (hexLength > 6) {
                scanner.error('Too long hex sequence', i);
            }
        }

    }

    // check we have a non-zero sequence
    if (hexLength === 0) {
        scanner.error('Unexpected input', i - 1);
    }

    // U+abc???
    if (!wasHyphenMinus) {
        // consume as many U+003F QUESTION MARK (?) code points as possible
        for (; hexLength < 6 && !scanner.eof; scanner.next()) {
            if (scanner.tokenType !== QUESTIONMARK) {
                break;
            }

            hexLength++;
        }
    }
}

module.exports = {
    name: 'UnicodeRange',
    structure: {
        value: String
    },
    parse: function() {
        var start = this.scanner.tokenStart;

        this.scanner.next(); // U or u
        scanUnicodeRange(this.scanner);

        return {
            type: 'UnicodeRange',
            loc: this.getLocation(start, this.scanner.tokenStart),
            value: this.scanner.substrToCursor(start)
        };
    },
    generate: function(node) {
        this.chunk(node.value);
    }
};


/***/ }),
/* 164 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var STRING = TYPE.String;
var URL = TYPE.Url;
var RAW = TYPE.Raw;
var RIGHTPARENTHESIS = TYPE.RightParenthesis;

// url '(' S* (string | raw) S* ')'
module.exports = {
    name: 'Url',
    structure: {
        value: ['String', 'Raw']
    },
    parse: function() {
        var start = this.scanner.tokenStart;
        var value;

        this.scanner.eat(URL);
        this.scanner.skipSC();

        switch (this.scanner.tokenType) {
            case STRING:
                value = this.String();
                break;

            case RAW:
                value = this.Raw(this.scanner.currentToken, 0, RAW, true, false);
                break;

            default:
                this.scanner.error('String or Raw is expected');
        }

        this.scanner.skipSC();
        this.scanner.eat(RIGHTPARENTHESIS);

        return {
            type: 'Url',
            loc: this.getLocation(start, this.scanner.tokenStart),
            value: value
        };
    },
    generate: function(node) {
        this.chunk('url');
        this.chunk('(');
        this.node(node.value);
        this.chunk(')');
    }
};


/***/ }),
/* 165 */
/***/ (function(module, exports) {

module.exports = {
    name: 'Value',
    structure: {
        children: [[]]
    },
    parse: function() {
        var start = this.scanner.tokenStart;
        var children = this.readSequence(this.scope.Value);

        return {
            type: 'Value',
            loc: this.getLocation(start, this.scanner.tokenStart),
            children: children
        };
    },
    generate: function(node) {
        this.children(node);
    }
};


/***/ }),
/* 166 */
/***/ (function(module, exports, __webpack_require__) {

var WHITESPACE = __webpack_require__(0).TYPE.WhiteSpace;
var SPACE = Object.freeze({
    type: 'WhiteSpace',
    loc: null,
    value: ' '
});

module.exports = {
    name: 'WhiteSpace',
    structure: {
        value: String
    },
    parse: function() {
        this.scanner.eat(WHITESPACE);
        return SPACE;

        // return {
        //     type: 'WhiteSpace',
        //     loc: this.getLocation(this.scanner.tokenStart, this.scanner.tokenEnd),
        //     value: this.scanner.consume(WHITESPACE)
        // };
    },
    generate: function(node) {
        this.chunk(node.value);
    }
};


/***/ }),
/* 167 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = {
    parseContext: {
        default: 'StyleSheet',
        stylesheet: 'StyleSheet',
        atrule: 'Atrule',
        atrulePrelude: function(options) {
            return this.AtrulePrelude(options.atrule ? String(options.atrule) : null);
        },
        mediaQueryList: 'MediaQueryList',
        mediaQuery: 'MediaQuery',
        rule: 'Rule',
        selectorList: 'SelectorList',
        selector: 'Selector',
        block: function() {
            return this.Block(true);
        },
        declarationList: 'DeclarationList',
        declaration: 'Declaration',
        value: 'Value'
    },
    scope: __webpack_require__(168),
    atrule: __webpack_require__(174),
    pseudo: __webpack_require__(180),
    node: __webpack_require__(28)
};


/***/ }),
/* 168 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = {
    AtrulePrelude: __webpack_require__(169),
    Selector: __webpack_require__(170),
    Value: __webpack_require__(171)
};


/***/ }),
/* 169 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = {
    getNode: __webpack_require__(53)
};


/***/ }),
/* 170 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var IDENTIFIER = TYPE.Identifier;
var NUMBER = TYPE.Number;
var NUMBERSIGN = TYPE.NumberSign;
var LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;
var PLUSSIGN = TYPE.PlusSign;
var SOLIDUS = TYPE.Solidus;
var ASTERISK = TYPE.Asterisk;
var FULLSTOP = TYPE.FullStop;
var COLON = TYPE.Colon;
var GREATERTHANSIGN = TYPE.GreaterThanSign;
var VERTICALLINE = TYPE.VerticalLine;
var TILDE = TYPE.Tilde;

function getNode(context) {
    switch (this.scanner.tokenType) {
        case PLUSSIGN:
        case GREATERTHANSIGN:
        case TILDE:
            context.space = null;
            context.ignoreWSAfter = true;
            return this.Combinator();

        case SOLIDUS:  // /deep/
            return this.Combinator();

        case FULLSTOP:
            return this.ClassSelector();

        case LEFTSQUAREBRACKET:
            return this.AttributeSelector();

        case NUMBERSIGN:
            return this.IdSelector();

        case COLON:
            if (this.scanner.lookupType(1) === COLON) {
                return this.PseudoElementSelector();
            } else {
                return this.PseudoClassSelector();
            }

        case IDENTIFIER:
        case ASTERISK:
        case VERTICALLINE:
            return this.TypeSelector();

        case NUMBER:
            return this.Percentage();
    }
};

module.exports = {
    getNode: getNode
};


/***/ }),
/* 171 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = {
    getNode: __webpack_require__(53),
    '-moz-element': __webpack_require__(54),
    'element': __webpack_require__(54),
    'expression': __webpack_require__(172),
    'var': __webpack_require__(173)
};


/***/ }),
/* 172 */
/***/ (function(module, exports) {

// legacy IE function
// expression '(' raw ')'
module.exports = function() {
    return this.createSingleNodeList(
        this.Raw(this.scanner.currentToken, 0, 0, false, false)
    );
};


/***/ }),
/* 173 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var IDENTIFIER = TYPE.Identifier;
var COMMA = TYPE.Comma;
var SEMICOLON = TYPE.Semicolon;
var HYPHENMINUS = TYPE.HyphenMinus;
var EXCLAMATIONMARK = TYPE.ExclamationMark;

// var '(' ident (',' <value>? )? ')'
module.exports = function() {
    var children = this.createList();

    this.scanner.skipSC();

    var identStart = this.scanner.tokenStart;

    this.scanner.eat(HYPHENMINUS);
    if (this.scanner.source.charCodeAt(this.scanner.tokenStart) !== HYPHENMINUS) {
        this.scanner.error('HyphenMinus is expected');
    }
    this.scanner.eat(IDENTIFIER);

    children.push({
        type: 'Identifier',
        loc: this.getLocation(identStart, this.scanner.tokenStart),
        name: this.scanner.substrToCursor(identStart)
    });

    this.scanner.skipSC();

    if (this.scanner.tokenType === COMMA) {
        children.push(this.Operator());
        children.push(this.parseCustomProperty
            ? this.Value(null)
            : this.Raw(this.scanner.currentToken, EXCLAMATIONMARK, SEMICOLON, false, false)
        );
    }

    return children;
};


/***/ }),
/* 174 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = {
    'font-face': __webpack_require__(175),
    'import': __webpack_require__(176),
    'media': __webpack_require__(177),
    'page': __webpack_require__(178),
    'supports': __webpack_require__(179)
};


/***/ }),
/* 175 */
/***/ (function(module, exports) {

module.exports = {
    parse: {
        prelude: null,
        block: function() {
            return this.Block(true);
        }
    }
};


/***/ }),
/* 176 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var STRING = TYPE.String;
var IDENTIFIER = TYPE.Identifier;
var URL = TYPE.Url;
var LEFTPARENTHESIS = TYPE.LeftParenthesis;

module.exports = {
    parse: {
        prelude: function() {
            var children = this.createList();

            this.scanner.skipSC();

            switch (this.scanner.tokenType) {
                case STRING:
                    children.push(this.String());
                    break;

                case URL:
                    children.push(this.Url());
                    break;

                default:
                    this.scanner.error('String or url() is expected');
            }

            if (this.scanner.lookupNonWSType(0) === IDENTIFIER ||
                this.scanner.lookupNonWSType(0) === LEFTPARENTHESIS) {
                children.push(this.WhiteSpace());
                children.push(this.MediaQueryList());
            }

            return children;
        },
        block: null
    }
};


/***/ }),
/* 177 */
/***/ (function(module, exports) {

module.exports = {
    parse: {
        prelude: function() {
            return this.createSingleNodeList(
                this.MediaQueryList()
            );
        },
        block: function() {
            return this.Block(false);
        }
    }
};


/***/ }),
/* 178 */
/***/ (function(module, exports) {

module.exports = {
    parse: {
        prelude: function() {
            return this.createSingleNodeList(
                this.SelectorList()
            );
        },
        block: function() {
            return this.Block(true);
        }
    }
};


/***/ }),
/* 179 */
/***/ (function(module, exports, __webpack_require__) {

var TYPE = __webpack_require__(0).TYPE;

var WHITESPACE = TYPE.WhiteSpace;
var COMMENT = TYPE.Comment;
var IDENTIFIER = TYPE.Identifier;
var FUNCTION = TYPE.Function;
var LEFTPARENTHESIS = TYPE.LeftParenthesis;
var HYPHENMINUS = TYPE.HyphenMinus;
var COLON = TYPE.Colon;

function consumeRaw() {
    return this.createSingleNodeList(
        this.Raw(this.scanner.currentToken, 0, 0, false, false)
    );
}

function parentheses() {
    var index = 0;

    this.scanner.skipSC();

    // TODO: make it simplier
    if (this.scanner.tokenType === IDENTIFIER) {
        index = 1;
    } else if (this.scanner.tokenType === HYPHENMINUS &&
               this.scanner.lookupType(1) === IDENTIFIER) {
        index = 2;
    }

    if (index !== 0 && this.scanner.lookupNonWSType(index) === COLON) {
        return this.createSingleNodeList(
            this.Declaration()
        );
    }

    return readSequence.call(this);
}

function readSequence() {
    var children = this.createList();
    var space = null;
    var child;

    this.scanner.skipSC();

    scan:
    while (!this.scanner.eof) {
        switch (this.scanner.tokenType) {
            case WHITESPACE:
                space = this.WhiteSpace();
                continue;

            case COMMENT:
                this.scanner.next();
                continue;

            case FUNCTION:
                child = this.Function(consumeRaw, this.scope.AtrulePrelude);
                break;

            case IDENTIFIER:
                child = this.Identifier();
                break;

            case LEFTPARENTHESIS:
                child = this.Parentheses(parentheses, this.scope.AtrulePrelude);
                break;

            default:
                break scan;
        }

        if (space !== null) {
            children.push(space);
            space = null;
        }

        children.push(child);
    }

    return children;
}

module.exports = {
    parse: {
        prelude: function() {
            var children = readSequence.call(this);

            if (this.getFirstListNode(children) === null) {
                this.scanner.error('Condition is expected');
            }

            return children;
        },
        block: function() {
            return this.Block(false);
        }
    }
};


/***/ }),
/* 180 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = {
    'dir': __webpack_require__(181),
    'has': __webpack_require__(182),
    'lang': __webpack_require__(183),
    'matches': __webpack_require__(184),
    'not': __webpack_require__(185),
    'nth-child': __webpack_require__(186),
    'nth-last-child': __webpack_require__(187),
    'nth-last-of-type': __webpack_require__(188),
    'nth-of-type': __webpack_require__(189),
    'slotted': __webpack_require__(190)
};


/***/ }),
/* 181 */
/***/ (function(module, exports) {

module.exports = {
    parse: function() {
        return this.createSingleNodeList(
            this.Identifier()
        );
    }
};


/***/ }),
/* 182 */
/***/ (function(module, exports) {

module.exports = {
    parse: function() {
        return this.createSingleNodeList(
            this.SelectorList()
        );
    }
};


/***/ }),
/* 183 */
/***/ (function(module, exports) {

module.exports = {
    parse: function() {
        return this.createSingleNodeList(
            this.Identifier()
        );
    }
};


/***/ }),
/* 184 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__(55);


/***/ }),
/* 185 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__(55);


/***/ }),
/* 186 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__(56);


/***/ }),
/* 187 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__(56);


/***/ }),
/* 188 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__(57);


/***/ }),
/* 189 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__(57);


/***/ }),
/* 190 */
/***/ (function(module, exports) {

module.exports = {
    parse: function compoundSelector() {
        return this.createSingleNodeList(
            this.Selector()
        );
    }
};


/***/ }),
/* 191 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = {
    node: __webpack_require__(28)
};


/***/ }),
/* 192 */
/***/ (function(module, exports, __webpack_require__) {

var List = __webpack_require__(1).List;
var clone = __webpack_require__(1).clone;
var usageUtils = __webpack_require__(193);
var clean = __webpack_require__(194);
var replace = __webpack_require__(202);
var restructure = __webpack_require__(214);
var walk = __webpack_require__(1).walk;

function readChunk(children, specialComments) {
    var buffer = new List();
    var nonSpaceTokenInBuffer = false;
    var protectedComment;

    children.nextUntil(children.head, function(node, item, list) {
        if (node.type === 'Comment') {
            if (!specialComments || node.value.charAt(0) !== '!') {
                list.remove(item);
                return;
            }

            if (nonSpaceTokenInBuffer || protectedComment) {
                return true;
            }

            list.remove(item);
            protectedComment = node;
            return;
        }

        if (node.type !== 'WhiteSpace') {
            nonSpaceTokenInBuffer = true;
        }

        buffer.insert(list.remove(item));
    });

    return {
        comment: protectedComment,
        stylesheet: {
            type: 'StyleSheet',
            loc: null,
            children: buffer
        }
    };
}

function compressChunk(ast, firstAtrulesAllowed, num, options) {
    options.logger('Compress block #' + num, null, true);

    var seed = 1;

    if (ast.type === 'StyleSheet') {
        ast.firstAtrulesAllowed = firstAtrulesAllowed;
        ast.id = seed++;
    }

    walk(ast, {
        visit: 'Atrule',
        enter: function markScopes(node) {
            if (node.block !== null) {
                node.block.id = seed++;
            }
        }
    });
    options.logger('init', ast);

    // remove redundant
    clean(ast, options);
    options.logger('clean', ast);

    // replace nodes for shortened forms
    replace(ast, options);
    options.logger('replace', ast);

    // structure optimisations
    if (options.restructuring) {
        restructure(ast, options);
    }

    return ast;
}

function getCommentsOption(options) {
    var comments = 'comments' in options ? options.comments : 'exclamation';

    if (typeof comments === 'boolean') {
        comments = comments ? 'exclamation' : false;
    } else if (comments !== 'exclamation' && comments !== 'first-exclamation') {
        comments = false;
    }

    return comments;
}

function getRestructureOption(options) {
    return 'restructure' in options ? options.restructure :
           'restructuring' in options ? options.restructuring :
           true;
}

function wrapBlock(block) {
    return new List().appendData({
        type: 'Rule',
        loc: null,
        prelude: {
            type: 'SelectorList',
            loc: null,
            children: new List().appendData({
                type: 'Selector',
                loc: null,
                children: new List().appendData({
                    type: 'TypeSelector',
                    loc: null,
                    name: 'x'
                })
            })
        },
        block: block
    });
}

module.exports = function compress(ast, options) {
    ast = ast || { type: 'StyleSheet', loc: null, children: new List() };
    options = options || {};

    var compressOptions = {
        logger: typeof options.logger === 'function' ? options.logger : function() {},
        restructuring: getRestructureOption(options),
        forceMediaMerge: Boolean(options.forceMediaMerge),
        usage: options.usage ? usageUtils.buildIndex(options.usage) : false
    };
    var specialComments = getCommentsOption(options);
    var firstAtrulesAllowed = true;
    var input;
    var output = new List();
    var chunk;
    var chunkNum = 1;
    var chunkChildren;

    if (options.clone) {
        ast = clone(ast);
    }

    if (ast.type === 'StyleSheet') {
        input = ast.children;
        ast.children = output;
    } else {
        input = wrapBlock(ast);
    }

    do {
        chunk = readChunk(input, Boolean(specialComments));
        compressChunk(chunk.stylesheet, firstAtrulesAllowed, chunkNum++, compressOptions);
        chunkChildren = chunk.stylesheet.children;

        if (chunk.comment) {
            // add \n before comment if there is another content in output
            if (!output.isEmpty()) {
                output.insert(List.createItem({
                    type: 'Raw',
                    value: '\n'
                }));
            }

            output.insert(List.createItem(chunk.comment));

            // add \n after comment if chunk is not empty
            if (!chunkChildren.isEmpty()) {
                output.insert(List.createItem({
                    type: 'Raw',
                    value: '\n'
                }));
            }
        }

        if (firstAtrulesAllowed && !chunkChildren.isEmpty()) {
            var lastRule = chunkChildren.last();

            if (lastRule.type !== 'Atrule' ||
               (lastRule.name !== 'import' && lastRule.name !== 'charset')) {
                firstAtrulesAllowed = false;
            }
        }

        if (specialComments !== 'exclamation') {
            specialComments = false;
        }

        output.appendList(chunkChildren);
    } while (!input.isEmpty());

    return {
        ast: ast
    };
};


/***/ }),
/* 193 */
/***/ (function(module, exports) {

var hasOwnProperty = Object.prototype.hasOwnProperty;

function buildMap(list, caseInsensitive) {
    var map = Object.create(null);

    if (!Array.isArray(list)) {
        return null;
    }

    for (var i = 0; i < list.length; i++) {
        var name = list[i];

        if (caseInsensitive) {
            name = name.toLowerCase();
        }

        map[name] = true;
    }

    return map;
}

function buildList(data) {
    if (!data) {
        return null;
    }

    var tags = buildMap(data.tags, true);
    var ids = buildMap(data.ids);
    var classes = buildMap(data.classes);

    if (tags === null &&
        ids === null &&
        classes === null) {
        return null;
    }

    return {
        tags: tags,
        ids: ids,
        classes: classes
    };
}

function buildIndex(data) {
    var scopes = false;

    if (data.scopes && Array.isArray(data.scopes)) {
        scopes = Object.create(null);

        for (var i = 0; i < data.scopes.length; i++) {
            var list = data.scopes[i];

            if (!list || !Array.isArray(list)) {
                throw new Error('Wrong usage format');
            }

            for (var j = 0; j < list.length; j++) {
                var name = list[j];

                if (hasOwnProperty.call(scopes, name)) {
                    throw new Error('Class can\'t be used for several scopes: ' + name);
                }

                scopes[name] = i + 1;
            }
        }
    }

    return {
        whitelist: buildList(data),
        blacklist: buildList(data.blacklist),
        scopes: scopes
    };
}

module.exports = {
    buildIndex: buildIndex
};


/***/ }),
/* 194 */
/***/ (function(module, exports, __webpack_require__) {

var walk = __webpack_require__(1).walk;
var handlers = {
    Atrule: __webpack_require__(195),
    Rule: __webpack_require__(196),
    Declaration: __webpack_require__(197),
    TypeSelector: __webpack_require__(198),
    Comment: __webpack_require__(199),
    Operator: __webpack_require__(200),
    WhiteSpace: __webpack_require__(201)
};

module.exports = function(ast, options) {
    walk(ast, {
        leave: function(node, item, list) {
            if (handlers.hasOwnProperty(node.type)) {
                handlers[node.type].call(this, node, item, list, options);
            }
        }
    });
};


/***/ }),
/* 195 */
/***/ (function(module, exports, __webpack_require__) {

var resolveKeyword = __webpack_require__(1).keyword;

module.exports = function cleanAtrule(node, item, list) {
    if (node.block) {
        // otherwise removed at-rule don't prevent @import for removal
        if (this.stylesheet !== null) {
            this.stylesheet.firstAtrulesAllowed = false;
        }

        if (node.block.children.isEmpty()) {
            list.remove(item);
            return;
        }
    }

    switch (node.name) {
        case 'charset':
            if (!node.prelude || node.prelude.children.isEmpty()) {
                list.remove(item);
                return;
            }

            // if there is any rule before @charset -> remove it
            if (item.prev) {
                list.remove(item);
                return;
            }

            break;

        case 'import':
            if (this.stylesheet === null || !this.stylesheet.firstAtrulesAllowed) {
                list.remove(item);
                return;
            }

            // if there are some rules that not an @import or @charset before @import
            // remove it
            list.prevUntil(item.prev, function(rule) {
                if (rule.type === 'Atrule') {
                    if (rule.name === 'import' || rule.name === 'charset') {
                        return;
                    }
                }

                this.root.firstAtrulesAllowed = false;
                list.remove(item);
                return true;
            }, this);

            break;

        default:
            var name = resolveKeyword(node.name).basename;
            if (name === 'keyframes' ||
                name === 'media' ||
                name === 'supports') {

                // drop at-rule with no prelude
                if (!node.prelude || node.prelude.children.isEmpty()) {
                    list.remove(item);
                }
            }
    }
};


/***/ }),
/* 196 */
/***/ (function(module, exports, __webpack_require__) {

var hasOwnProperty = Object.prototype.hasOwnProperty;
var walk = __webpack_require__(1).walk;

function cleanUnused(selectorList, usageData) {
    selectorList.children.each(function(selector, item, list) {
        var shouldRemove = false;

        walk(selector, function(node) {
            // ignore nodes in nested selectors
            if (this.selector === null || this.selector === selectorList) {
                switch (node.type) {
                    case 'SelectorList':
                        // TODO: remove toLowerCase when pseudo selectors will be normalized
                        // ignore selectors inside :not()
                        if (this['function'] === null || this['function'].name.toLowerCase() !== 'not') {
                            if (cleanUnused(node, usageData)) {
                                shouldRemove = true;
                            }
                        }
                        break;

                    case 'ClassSelector':
                        if (usageData.whitelist !== null &&
                            usageData.whitelist.classes !== null &&
                            !hasOwnProperty.call(usageData.whitelist.classes, node.name)) {
                            shouldRemove = true;
                        }
                        if (usageData.blacklist !== null &&
                            usageData.blacklist.classes !== null &&
                            hasOwnProperty.call(usageData.blacklist.classes, node.name)) {
                            shouldRemove = true;
                        }
                        break;

                    case 'IdSelector':
                        if (usageData.whitelist !== null &&
                            usageData.whitelist.ids !== null &&
                            !hasOwnProperty.call(usageData.whitelist.ids, node.name)) {
                            shouldRemove = true;
                        }
                        if (usageData.blacklist !== null &&
                            usageData.blacklist.ids !== null &&
                            hasOwnProperty.call(usageData.blacklist.ids, node.name)) {
                            shouldRemove = true;
                        }
                        break;

                    case 'TypeSelector':
                        // TODO: remove toLowerCase when type selectors will be normalized
                        // ignore universal selectors
                        if (node.name.charAt(node.name.length - 1) !== '*') {
                            if (usageData.whitelist !== null &&
                                usageData.whitelist.tags !== null &&
                                !hasOwnProperty.call(usageData.whitelist.tags, node.name.toLowerCase())) {
                                shouldRemove = true;
                            }
                            if (usageData.blacklist !== null &&
                                usageData.blacklist.tags !== null &&
                                hasOwnProperty.call(usageData.blacklist.tags, node.name.toLowerCase())) {
                                shouldRemove = true;
                            }
                        }
                        break;
                }
            }
        });

        if (shouldRemove) {
            list.remove(item);
        }
    });

    return selectorList.children.isEmpty();
}

module.exports = function cleanRuleset(node, item, list, options) {
    var usageData = options.usage;

    if (usageData && (usageData.whitelist !== null || usageData.blacklist !== null)) {
        cleanUnused(node.prelude, usageData);
    }

    if (node.prelude.children.isEmpty() ||
        node.block.children.isEmpty()) {
        list.remove(item);
    }
};


/***/ }),
/* 197 */
/***/ (function(module, exports) {

module.exports = function cleanDeclartion(node, item, list) {
    if (node.value.children && node.value.children.isEmpty()) {
        list.remove(item);
    }
};


/***/ }),
/* 198 */
/***/ (function(module, exports) {

// remove useless universal selector
module.exports = function cleanType(node, item, list) {
    var name = item.data.name;

    // check it's a non-namespaced universal selector
    if (name !== '*') {
        return;
    }

    // remove when universal selector before other selectors
    var nextType = item.next && item.next.data.type;
    if (nextType === 'IdSelector' ||
        nextType === 'ClassSelector' ||
        nextType === 'AttributeSelector' ||
        nextType === 'PseudoClassSelector' ||
        nextType === 'PseudoElementSelector') {
        list.remove(item);
    }
};


/***/ }),
/* 199 */
/***/ (function(module, exports) {

module.exports = function cleanComment(data, item, list) {
    list.remove(item);
};


/***/ }),
/* 200 */
/***/ (function(module, exports) {

// remove white spaces around operators when safe
module.exports = function cleanWhitespace(node, item, list) {
    if (node.value === '+' || node.value === '-') {
        return;
    }

    if (item.prev !== null && item.prev.data.type === 'WhiteSpace') {
        list.remove(item.prev);
    }

    if (item.next !== null && item.next.data.type === 'WhiteSpace') {
        list.remove(item.next);
    }
};


/***/ }),
/* 201 */
/***/ (function(module, exports) {

module.exports = function cleanWhitespace(node, item, list) {
    // remove when first or last item in sequence
    if (item.next === null || item.prev === null) {
        list.remove(item);
        return;
    }

    // remove when previous node is whitespace
    if (item.prev.data.type === 'WhiteSpace') {
        list.remove(item);
        return;
    }

    if ((this.stylesheet !== null && this.stylesheet.children === list) ||
        (this.block !== null && this.block.children === list)) {
        list.remove(item);
        return;
    }
};


/***/ }),
/* 202 */
/***/ (function(module, exports, __webpack_require__) {

var walk = __webpack_require__(1).walk;
var handlers = {
    Atrule: __webpack_require__(203),
    AttributeSelector: __webpack_require__(205),
    Value: __webpack_require__(206),
    Dimension: __webpack_require__(210),
    Percentage: __webpack_require__(211),
    Number: __webpack_require__(11),
    String: __webpack_require__(212),
    Url: __webpack_require__(213),
    HexColor: __webpack_require__(29).compressHex,
    Identifier: __webpack_require__(29).compressIdent,
    Function: __webpack_require__(29).compressFunction
};

module.exports = function(ast) {
    walk(ast, {
        leave: function(node, item, list) {
            if (handlers.hasOwnProperty(node.type)) {
                handlers[node.type].call(this, node, item, list);
            }
        }
    });
};


/***/ }),
/* 203 */
/***/ (function(module, exports, __webpack_require__) {

var resolveKeyword = __webpack_require__(1).keyword;
var compressKeyframes = __webpack_require__(204);

module.exports = function(node) {
    // compress @keyframe selectors
    if (resolveKeyword(node.name).basename === 'keyframes') {
        compressKeyframes(node);
    }
};


/***/ }),
/* 204 */
/***/ (function(module, exports) {

module.exports = function(node) {
    node.block.children.each(function(rule) {
        rule.prelude.children.each(function(simpleselector) {
            simpleselector.children.each(function(data, item) {
                if (data.type === 'Percentage' && data.value === '100') {
                    item.data = {
                        type: 'TypeSelector',
                        loc: data.loc,
                        name: 'to'
                    };
                } else if (data.type === 'TypeSelector' && data.name === 'from') {
                    item.data = {
                        type: 'Percentage',
                        loc: data.loc,
                        value: '0'
                    };
                }
            });
        });
    });
};


/***/ }),
/* 205 */
/***/ (function(module, exports) {

// Can unquote attribute detection
// Adopted implementation of Mathias Bynens
// https://github.com/mathiasbynens/mothereff.in/blob/master/unquoted-attributes/eff.js
var escapesRx = /\\([0-9A-Fa-f]{1,6})(\r\n|[ \t\n\f\r])?|\\./g;
var blockUnquoteRx = /^(-?\d|--)|[\u0000-\u002c\u002e\u002f\u003A-\u0040\u005B-\u005E\u0060\u007B-\u009f]/;

function canUnquote(value) {
    if (value === '' || value === '-') {
        return;
    }

    // Escapes are valid, so replace them with a valid non-empty string
    value = value.replace(escapesRx, 'a');

    return !blockUnquoteRx.test(value);
}

module.exports = function(node) {
    var attrValue = node.value;

    if (!attrValue || attrValue.type !== 'String') {
        return;
    }

    var unquotedValue = attrValue.value.replace(/^(.)(.*)\1$/, '$2');
    if (canUnquote(unquotedValue)) {
        node.value = {
            type: 'Identifier',
            loc: attrValue.loc,
            name: unquotedValue
        };
    }
};


/***/ }),
/* 206 */
/***/ (function(module, exports, __webpack_require__) {

var resolveName = __webpack_require__(1).property;
var handlers = {
    'font': __webpack_require__(207),
    'font-weight': __webpack_require__(208),
    'background': __webpack_require__(209),
    'border': __webpack_require__(58),
    'outline': __webpack_require__(58)
};

module.exports = function compressValue(node) {
    if (!this.declaration) {
        return;
    }

    var property = resolveName(this.declaration.property);

    if (handlers.hasOwnProperty(property.basename)) {
        handlers[property.basename](node);
    }
};


/***/ }),
/* 207 */
/***/ (function(module, exports) {

module.exports = function compressFont(node) {
    var list = node.children;

    list.eachRight(function(node, item) {
        if (node.type === 'Identifier') {
            if (node.name === 'bold') {
                item.data = {
                    type: 'Number',
                    loc: node.loc,
                    value: '700'
                };
            } else if (node.name === 'normal') {
                var prev = item.prev;

                if (prev && prev.data.type === 'Operator' && prev.data.value === '/') {
                    this.remove(prev);
                }

                this.remove(item);
            } else if (node.name === 'medium') {
                var next = item.next;

                if (!next || next.data.type !== 'Operator') {
                    this.remove(item);
                }
            }
        }
    });

    // remove redundant spaces
    list.each(function(node, item) {
        if (node.type === 'WhiteSpace') {
            if (!item.prev || !item.next || item.next.data.type === 'WhiteSpace') {
                this.remove(item);
            }
        }
    });

    if (list.isEmpty()) {
        list.insert(list.createItem({
            type: 'Identifier',
            name: 'normal'
        }));
    }
};


/***/ }),
/* 208 */
/***/ (function(module, exports) {

module.exports = function compressFontWeight(node) {
    var value = node.children.head.data;

    if (value.type === 'Identifier') {
        switch (value.name) {
            case 'normal':
                node.children.head.data = {
                    type: 'Number',
                    loc: value.loc,
                    value: '400'
                };
                break;
            case 'bold':
                node.children.head.data = {
                    type: 'Number',
                    loc: value.loc,
                    value: '700'
                };
                break;
        }
    }
};


/***/ }),
/* 209 */
/***/ (function(module, exports, __webpack_require__) {

var List = __webpack_require__(1).List;

module.exports = function compressBackground(node) {
    function lastType() {
        if (buffer.length) {
            return buffer[buffer.length - 1].type;
        }
    }

    function flush() {
        if (lastType() === 'WhiteSpace') {
            buffer.pop();
        }

        if (!buffer.length) {
            buffer.unshift(
                {
                    type: 'Number',
                    loc: null,
                    value: '0'
                },
                {
                    type: 'WhiteSpace',
                    value: ' '
                },
                {
                    type: 'Number',
                    loc: null,
                    value: '0'
                }
            );
        }

        newValue.push.apply(newValue, buffer);

        buffer = [];
    }

    var newValue = [];
    var buffer = [];

    node.children.each(function(node) {
        if (node.type === 'Operator' && node.value === ',') {
            flush();
            newValue.push(node);
            return;
        }

        // remove defaults
        if (node.type === 'Identifier') {
            if (node.name === 'transparent' ||
                node.name === 'none' ||
                node.name === 'repeat' ||
                node.name === 'scroll') {
                return;
            }
        }

        // don't add redundant spaces
        if (node.type === 'WhiteSpace' && (!buffer.length || lastType() === 'WhiteSpace')) {
            return;
        }

        buffer.push(node);
    });

    flush();
    node.children = new List().fromArray(newValue);
};


/***/ }),
/* 210 */
/***/ (function(module, exports, __webpack_require__) {

var packNumber = __webpack_require__(11).pack;
var LENGTH_UNIT = {
    // absolute length units
    'px': true,
    'mm': true,
    'cm': true,
    'in': true,
    'pt': true,
    'pc': true,

    // relative length units
    'em': true,
    'ex': true,
    'ch': true,
    'rem': true,

    // viewport-percentage lengths
    'vh': true,
    'vw': true,
    'vmin': true,
    'vmax': true,
    'vm': true
};

module.exports = function compressDimension(node, item) {
    var value = packNumber(node.value, item);

    node.value = value;

    if (value === '0' && this.declaration !== null && this.atrulePrelude === null) {
        var unit = node.unit.toLowerCase();

        // only length values can be compressed
        if (!LENGTH_UNIT.hasOwnProperty(unit)) {
            return;
        }

        // issue #362: shouldn't remove unit in -ms-flex since it breaks flex in IE10/11
        // issue #200: shouldn't remove unit in flex since it breaks flex in IE10/11
        if (this.declaration.property === '-ms-flex' ||
            this.declaration.property === 'flex') {
            return;
        }

        // issue #222: don't remove units inside calc
        if (this['function'] && this['function'].name === 'calc') {
            return;
        }

        item.data = {
            type: 'Number',
            loc: node.loc,
            value: value
        };
    }
};


/***/ }),
/* 211 */
/***/ (function(module, exports, __webpack_require__) {

var packNumber = __webpack_require__(11).pack;
var PERCENTAGE_LENGTH_PROPERTY = {
    'margin': true,
    'margin-top': true,
    'margin-left': true,
    'margin-bottom': true,
    'margin-right': true,

    'padding': true,
    'padding-top': true,
    'padding-left': true,
    'padding-bottom': true,
    'padding-right': true,

    'top': true,
    'left': true,
    'bottom': true,
    'right': true,

    'background-position': true,
    'background-position-x': true,
    'background-position-y': true,
    'background-size': true,

    'border': true,
    'border-width': true,
    'border-top-width': true,
    'border-left-width': true,
    'border-bottom-width': true,
    'border-right-width': true,
    'border-image-width': true,

    'border-radius': true,
    'border-bottom-left-radius': true,
    'border-bottom-right-radius': true,
    'border-top-left-radius': true,
    'border-top-right-radius': true
};

module.exports = function compressPercentage(node, item) {
    var value = packNumber(node.value, item);
    var property = this.declaration !== null ? this.declaration.property : null;

    node.value = value;

    if (property !== null && PERCENTAGE_LENGTH_PROPERTY.hasOwnProperty(property)) {
        if (value === '0') {
            item.data = {
                type: 'Number',
                loc: node.loc,
                value: value
            };
        }
    }
};


/***/ }),
/* 212 */
/***/ (function(module, exports) {

module.exports = function(node) {
    var value = node.value;

    // remove escaped newlines, i.e.
    // .a { content: "foo\
    // bar"}
    // ->
    // .a { content: "foobar" }
    value = value.replace(/\\(\r\n|\r|\n|\f)/g, '');

    node.value = value;
};


/***/ }),
/* 213 */
/***/ (function(module, exports) {

var UNICODE = '\\\\[0-9a-f]{1,6}(\\r\\n|[ \\n\\r\\t\\f])?';
var ESCAPE = '(' + UNICODE + '|\\\\[^\\n\\r\\f0-9a-fA-F])';
var NONPRINTABLE = '\u0000\u0008\u000b\u000e-\u001f\u007f';
var SAFE_URL = new RegExp('^(' + ESCAPE + '|[^\"\'\\(\\)\\\\\\s' + NONPRINTABLE + '])*$', 'i');

module.exports = function(node) {
    var value = node.value;

    if (value.type !== 'String') {
        return;
    }

    var quote = value.value[0];
    var url = value.value.substr(1, value.value.length - 2);

    // convert `\\` to `/`
    url = url.replace(/\\\\/g, '/');

    // remove quotes when safe
    // https://www.w3.org/TR/css-syntax-3/#url-unquoted-diagram
    if (SAFE_URL.test(url)) {
        node.value = {
            type: 'Raw',
            loc: node.value.loc,
            value: url
        };
    } else {
        // use double quotes if string has no double quotes
        // otherwise use original quotes
        // TODO: make better quote type selection
        node.value.value = url.indexOf('"') === -1 ? '"' + url + '"' : quote + url + quote;
    }
};


/***/ }),
/* 214 */
/***/ (function(module, exports, __webpack_require__) {

var prepare = __webpack_require__(215);
var mergeAtrule = __webpack_require__(219);
var initialMergeRuleset = __webpack_require__(220);
var disjoinRuleset = __webpack_require__(221);
var restructShorthand = __webpack_require__(222);
var restructBlock = __webpack_require__(223);
var mergeRuleset = __webpack_require__(224);
var restructRuleset = __webpack_require__(225);

module.exports = function(ast, options) {
    // prepare ast for restructing
    var indexer = prepare(ast, options);
    options.logger('prepare', ast);

    mergeAtrule(ast, options);
    options.logger('mergeAtrule', ast);

    initialMergeRuleset(ast);
    options.logger('initialMergeRuleset', ast);

    disjoinRuleset(ast);
    options.logger('disjoinRuleset', ast);

    restructShorthand(ast, indexer);
    options.logger('restructShorthand', ast);

    restructBlock(ast);
    options.logger('restructBlock', ast);

    mergeRuleset(ast);
    options.logger('mergeRuleset', ast);

    restructRuleset(ast);
    options.logger('restructRuleset', ast);
};


/***/ }),
/* 215 */
/***/ (function(module, exports, __webpack_require__) {

var resolveKeyword = __webpack_require__(1).keyword;
var walk = __webpack_require__(1).walk;
var generate = __webpack_require__(1).generate;
var createDeclarationIndexer = __webpack_require__(216);
var processSelector = __webpack_require__(217);

module.exports = function prepare(ast, options) {
    var markDeclaration = createDeclarationIndexer();

    walk(ast, {
        visit: 'Rule',
        enter: function processRule(node) {
            node.block.children.each(markDeclaration);
            processSelector(node, options.usage);
        }
    });

    walk(ast, {
        visit: 'Atrule',
        enter: function(node) {
            if (node.prelude) {
                node.prelude.id = null; // pre-init property to avoid multiple hidden class for generate
                node.prelude.id = generate(node.prelude);
            }

            // compare keyframe selectors by its values
            // NOTE: still no clarification about problems with keyframes selector grouping (issue #197)
            if (resolveKeyword(node.name).basename === 'keyframes') {
                node.block.avoidRulesMerge = true;  /* probably we don't need to prevent those merges for @keyframes
                                                       TODO: need to be checked */
                node.block.children.each(function(rule) {
                    rule.prelude.children.each(function(simpleselector) {
                        simpleselector.compareMarker = simpleselector.id;
                    });
                });
            }
        }
    });

    return {
        declaration: markDeclaration
    };
};


/***/ }),
/* 216 */
/***/ (function(module, exports, __webpack_require__) {

var generate = __webpack_require__(1).generate;

function Index() {
    this.seed = 0;
    this.map = Object.create(null);
}

Index.prototype.resolve = function(str) {
    var index = this.map[str];

    if (!index) {
        index = ++this.seed;
        this.map[str] = index;
    }

    return index;
};

module.exports = function createDeclarationIndexer() {
    var ids = new Index();

    return function markDeclaration(node) {
        var id = generate(node);

        node.id = ids.resolve(id);
        node.length = id.length;
        node.fingerprint = null;

        return node;
    };
};


/***/ }),
/* 217 */
/***/ (function(module, exports, __webpack_require__) {

var generate = __webpack_require__(1).generate;
var specificity = __webpack_require__(218);

var nonFreezePseudoElements = {
    'first-letter': true,
    'first-line': true,
    'after': true,
    'before': true
};
var nonFreezePseudoClasses = {
    'link': true,
    'visited': true,
    'hover': true,
    'active': true,
    'first-letter': true,
    'first-line': true,
    'after': true,
    'before': true
};

module.exports = function freeze(node, usageData) {
    var pseudos = Object.create(null);
    var hasPseudo = false;

    node.prelude.children.each(function(simpleSelector) {
        var tagName = '*';
        var scope = 0;

        simpleSelector.children.each(function(node) {
            switch (node.type) {
                case 'ClassSelector':
                    if (usageData && usageData.scopes) {
                        var classScope = usageData.scopes[node.name] || 0;

                        if (scope !== 0 && classScope !== scope) {
                            throw new Error('Selector can\'t has classes from different scopes: ' + generate(simpleSelector));
                        }

                        scope = classScope;
                    }
                    break;

                case 'PseudoClassSelector':
                    var name = node.name.toLowerCase();

                    if (!nonFreezePseudoClasses.hasOwnProperty(name)) {
                        pseudos[name] = true;
                        hasPseudo = true;
                    }
                    break;

                case 'PseudoElementSelector':
                    var name = node.name.toLowerCase();

                    if (!nonFreezePseudoElements.hasOwnProperty(name)) {
                        pseudos[name] = true;
                        hasPseudo = true;
                    }
                    break;

                case 'TypeSelector':
                    tagName = node.name.toLowerCase();
                    break;

                case 'AttributeSelector':
                    if (node.flags) {
                        pseudos['[' + node.flags.toLowerCase() + ']'] = true;
                        hasPseudo = true;
                    }
                    break;

                case 'WhiteSpace':
                case 'Combinator':
                    tagName = '*';
                    break;
            }
        });

        simpleSelector.compareMarker = specificity(simpleSelector).toString();
        simpleSelector.id = null; // pre-init property to avoid multiple hidden class
        simpleSelector.id = generate(simpleSelector);

        if (scope) {
            simpleSelector.compareMarker += ':' + scope;
        }

        if (tagName !== '*') {
            simpleSelector.compareMarker += ',' + tagName;
        }
    });

    // add property to all rule nodes to avoid multiple hidden class
    node.pseudoSignature = hasPseudo && Object.keys(pseudos).sort().join(',');
};


/***/ }),
/* 218 */
/***/ (function(module, exports) {

module.exports = function specificity(simpleSelector) {
    var A = 0;
    var B = 0;
    var C = 0;

    simpleSelector.children.each(function walk(node) {
        switch (node.type) {
            case 'SelectorList':
            case 'Selector':
                node.children.each(walk);
                break;

            case 'IdSelector':
                A++;
                break;

            case 'ClassSelector':
            case 'AttributeSelector':
                B++;
                break;

            case 'PseudoClassSelector':
                switch (node.name.toLowerCase()) {
                    case 'not':
                        node.children.each(walk);
                        break;

                    case 'before':
                    case 'after':
                    case 'first-line':
                    case 'first-letter':
                        C++;
                        break;

                    // TODO: support for :nth-*(.. of <SelectorList>), :matches(), :has()

                    default:
                        B++;
                }
                break;

            case 'PseudoElementSelector':
                C++;
                break;

            case 'TypeSelector':
                // ignore universal selector
                if (node.name.charAt(node.name.length - 1) !== '*') {
                    C++;
                }
                break;

        }
    });

    return [A, B, C];
};


/***/ }),
/* 219 */
/***/ (function(module, exports, __webpack_require__) {

var List = __webpack_require__(1).List;
var resolveKeyword = __webpack_require__(1).keyword;
var hasOwnProperty = Object.prototype.hasOwnProperty;
var walk = __webpack_require__(1).walk;

function addRuleToMap(map, item, list, single) {
    var node = item.data;
    var name = resolveKeyword(node.name).basename;
    var id = node.name.toLowerCase() + '/' + (node.prelude ? node.prelude.id : null);

    if (!hasOwnProperty.call(map, name)) {
        map[name] = Object.create(null);
    }

    if (single) {
        delete map[name][id];
    }

    if (!hasOwnProperty.call(map[name], id)) {
        map[name][id] = new List();
    }

    map[name][id].append(list.remove(item));
}

function relocateAtrules(ast, options) {
    var collected = Object.create(null);
    var topInjectPoint = null;

    ast.children.each(function(node, item, list) {
        if (node.type === 'Atrule') {
            var name = resolveKeyword(node.name).basename;

            switch (name) {
                case 'keyframes':
                    addRuleToMap(collected, item, list, true);
                    return;

                case 'media':
                    if (options.forceMediaMerge) {
                        addRuleToMap(collected, item, list, false);
                        return;
                    }
                    break;
            }

            if (topInjectPoint === null &&
                name !== 'charset' &&
                name !== 'import') {
                topInjectPoint = item;
            }
        } else {
            if (topInjectPoint === null) {
                topInjectPoint = item;
            }
        }
    });

    for (var atrule in collected) {
        for (var id in collected[atrule]) {
            ast.children.insertList(
                collected[atrule][id],
                atrule === 'media' ? null : topInjectPoint
            );
        }
    }
};

function isMediaRule(node) {
    return node.type === 'Atrule' && node.name === 'media';
}

function processAtrule(node, item, list) {
    if (!isMediaRule(node)) {
        return;
    }

    var prev = item.prev && item.prev.data;

    if (!prev || !isMediaRule(prev)) {
        return;
    }

    // merge @media with same query
    if (node.prelude &&
        prev.prelude &&
        node.prelude.id === prev.prelude.id) {
        prev.block.children.appendList(node.block.children);
        list.remove(item);

        // TODO: use it when we can refer to several points in source
        // prev.loc = {
        //     primary: prev.loc,
        //     merged: node.loc
        // };
    }
}

module.exports = function rejoinAtrule(ast, options) {
    relocateAtrules(ast, options);

    walk(ast, {
        visit: 'Atrule',
        reverse: true,
        enter: processAtrule
    });
};


/***/ }),
/* 220 */
/***/ (function(module, exports, __webpack_require__) {

var walk = __webpack_require__(1).walk;
var utils = __webpack_require__(30);

function processRule(node, item, list) {
    var selectors = node.prelude.children;
    var declarations = node.block.children;

    list.prevUntil(item.prev, function(prev) {
        // skip non-ruleset node if safe
        if (prev.type !== 'Rule') {
            return utils.unsafeToSkipNode.call(selectors, prev);
        }

        var prevSelectors = prev.prelude.children;
        var prevDeclarations = prev.block.children;

        // try to join rulesets with equal pseudo signature
        if (node.pseudoSignature === prev.pseudoSignature) {
            // try to join by selectors
            if (utils.isEqualSelectors(prevSelectors, selectors)) {
                prevDeclarations.appendList(declarations);
                list.remove(item);
                return true;
            }

            // try to join by declarations
            if (utils.isEqualDeclarations(declarations, prevDeclarations)) {
                utils.addSelectors(prevSelectors, selectors);
                list.remove(item);
                return true;
            }
        }

        // go to prev ruleset if has no selector similarities
        return utils.hasSimilarSelectors(selectors, prevSelectors);
    });
}

// NOTE: direction should be left to right, since rulesets merge to left
// ruleset. When direction right to left unmerged rulesets may prevent lookup
// TODO: remove initial merge
module.exports = function initialMergeRule(ast) {
    walk(ast, {
        visit: 'Rule',
        enter: processRule
    });
};


/***/ }),
/* 221 */
/***/ (function(module, exports, __webpack_require__) {

var List = __webpack_require__(1).List;
var walk = __webpack_require__(1).walk;

function processRule(node, item, list) {
    var selectors = node.prelude.children;

    // generate new rule sets:
    // .a, .b { color: red; }
    // ->
    // .a { color: red; }
    // .b { color: red; }

    // while there are more than 1 simple selector split for rulesets
    while (selectors.head !== selectors.tail) {
        var newSelectors = new List();
        newSelectors.insert(selectors.remove(selectors.head));

        list.insert(list.createItem({
            type: 'Rule',
            loc: node.loc,
            prelude: {
                type: 'SelectorList',
                loc: node.prelude.loc,
                children: newSelectors
            },
            block: {
                type: 'Block',
                loc: node.block.loc,
                children: node.block.children.copy()
            },
            pseudoSignature: node.pseudoSignature
        }), item);
    }
}

module.exports = function disjoinRule(ast) {
    walk(ast, {
        visit: 'Rule',
        reverse: true,
        enter: processRule
    });
};


/***/ }),
/* 222 */
/***/ (function(module, exports, __webpack_require__) {

var List = __webpack_require__(1).List;
var generate = __webpack_require__(1).generate;
var walk = __webpack_require__(1).walk;

var REPLACE = 1;
var REMOVE = 2;
var TOP = 0;
var RIGHT = 1;
var BOTTOM = 2;
var LEFT = 3;
var SIDES = ['top', 'right', 'bottom', 'left'];
var SIDE = {
    'margin-top': 'top',
    'margin-right': 'right',
    'margin-bottom': 'bottom',
    'margin-left': 'left',

    'padding-top': 'top',
    'padding-right': 'right',
    'padding-bottom': 'bottom',
    'padding-left': 'left',

    'border-top-color': 'top',
    'border-right-color': 'right',
    'border-bottom-color': 'bottom',
    'border-left-color': 'left',
    'border-top-width': 'top',
    'border-right-width': 'right',
    'border-bottom-width': 'bottom',
    'border-left-width': 'left',
    'border-top-style': 'top',
    'border-right-style': 'right',
    'border-bottom-style': 'bottom',
    'border-left-style': 'left'
};
var MAIN_PROPERTY = {
    'margin': 'margin',
    'margin-top': 'margin',
    'margin-right': 'margin',
    'margin-bottom': 'margin',
    'margin-left': 'margin',

    'padding': 'padding',
    'padding-top': 'padding',
    'padding-right': 'padding',
    'padding-bottom': 'padding',
    'padding-left': 'padding',

    'border-color': 'border-color',
    'border-top-color': 'border-color',
    'border-right-color': 'border-color',
    'border-bottom-color': 'border-color',
    'border-left-color': 'border-color',
    'border-width': 'border-width',
    'border-top-width': 'border-width',
    'border-right-width': 'border-width',
    'border-bottom-width': 'border-width',
    'border-left-width': 'border-width',
    'border-style': 'border-style',
    'border-top-style': 'border-style',
    'border-right-style': 'border-style',
    'border-bottom-style': 'border-style',
    'border-left-style': 'border-style'
};

function TRBL(name) {
    this.name = name;
    this.loc = null;
    this.iehack = undefined;
    this.sides = {
        'top': null,
        'right': null,
        'bottom': null,
        'left': null
    };
}

TRBL.prototype.getValueSequence = function(declaration, count) {
    var values = [];
    var iehack = '';
    var hasBadValues = declaration.value.children.some(function(child) {
        var special = false;

        switch (child.type) {
            case 'Identifier':
                switch (child.name) {
                    case '\\0':
                    case '\\9':
                        iehack = child.name;
                        return;

                    case 'inherit':
                    case 'initial':
                    case 'unset':
                    case 'revert':
                        special = child.name;
                        break;
                }
                break;

            case 'Dimension':
                switch (child.unit) {
                    // is not supported until IE11
                    case 'rem':

                    // v* units is too buggy across browsers and better
                    // don't merge values with those units
                    case 'vw':
                    case 'vh':
                    case 'vmin':
                    case 'vmax':
                    case 'vm': // IE9 supporting "vm" instead of "vmin".
                        special = child.unit;
                        break;
                }
                break;

            case 'HexColor': // color
            case 'Number':
            case 'Percentage':
                break;

            case 'Function':
                special = child.name;
                break;

            case 'WhiteSpace':
                return false; // ignore space

            default:
                return true;  // bad value
        }

        values.push({
            node: child,
            special: special,
            important: declaration.important
        });
    });

    if (hasBadValues || values.length > count) {
        return false;
    }

    if (typeof this.iehack === 'string' && this.iehack !== iehack) {
        return false;
    }

    this.iehack = iehack; // move outside

    return values;
};

TRBL.prototype.canOverride = function(side, value) {
    var currentValue = this.sides[side];

    return !currentValue || (value.important && !currentValue.important);
};

TRBL.prototype.add = function(name, declaration) {
    function attemptToAdd() {
        var sides = this.sides;
        var side = SIDE[name];

        if (side) {
            if (side in sides === false) {
                return false;
            }

            var values = this.getValueSequence(declaration, 1);

            if (!values || !values.length) {
                return false;
            }

            // can mix only if specials are equal
            for (var key in sides) {
                if (sides[key] !== null && sides[key].special !== values[0].special) {
                    return false;
                }
            }

            if (!this.canOverride(side, values[0])) {
                return true;
            }

            sides[side] = values[0];
            return true;
        } else if (name === this.name) {
            var values = this.getValueSequence(declaration, 4);

            if (!values || !values.length) {
                return false;
            }

            switch (values.length) {
                case 1:
                    values[RIGHT] = values[TOP];
                    values[BOTTOM] = values[TOP];
                    values[LEFT] = values[TOP];
                    break;

                case 2:
                    values[BOTTOM] = values[TOP];
                    values[LEFT] = values[RIGHT];
                    break;

                case 3:
                    values[LEFT] = values[RIGHT];
                    break;
            }

            // can mix only if specials are equal
            for (var i = 0; i < 4; i++) {
                for (var key in sides) {
                    if (sides[key] !== null && sides[key].special !== values[i].special) {
                        return false;
                    }
                }
            }

            for (var i = 0; i < 4; i++) {
                if (this.canOverride(SIDES[i], values[i])) {
                    sides[SIDES[i]] = values[i];
                }
            }

            return true;
        }
    }

    if (!attemptToAdd.call(this)) {
        return false;
    }

    // TODO: use it when we can refer to several points in source
    // if (this.loc) {
    //     this.loc = {
    //         primary: this.loc,
    //         merged: declaration.loc
    //     };
    // } else {
    //     this.loc = declaration.loc;
    // }
    if (!this.loc) {
        this.loc = declaration.loc;
    }

    return true;
};

TRBL.prototype.isOkToMinimize = function() {
    var top = this.sides.top;
    var right = this.sides.right;
    var bottom = this.sides.bottom;
    var left = this.sides.left;

    if (top && right && bottom && left) {
        var important =
            top.important +
            right.important +
            bottom.important +
            left.important;

        return important === 0 || important === 4;
    }

    return false;
};

TRBL.prototype.getValue = function() {
    var result = new List();
    var sides = this.sides;
    var values = [
        sides.top,
        sides.right,
        sides.bottom,
        sides.left
    ];
    var stringValues = [
        generate(sides.top.node),
        generate(sides.right.node),
        generate(sides.bottom.node),
        generate(sides.left.node)
    ];

    if (stringValues[LEFT] === stringValues[RIGHT]) {
        values.pop();
        if (stringValues[BOTTOM] === stringValues[TOP]) {
            values.pop();
            if (stringValues[RIGHT] === stringValues[TOP]) {
                values.pop();
            }
        }
    }

    for (var i = 0; i < values.length; i++) {
        if (i) {
            result.appendData({ type: 'WhiteSpace', value: ' ' });
        }

        result.appendData(values[i].node);
    }

    if (this.iehack) {
        result.appendData({ type: 'WhiteSpace', value: ' ' });
        result.appendData({
            type: 'Identifier',
            loc: null,
            name: this.iehack
        });
    }

    return {
        type: 'Value',
        loc: null,
        children: result
    };
};

TRBL.prototype.getDeclaration = function() {
    return {
        type: 'Declaration',
        loc: this.loc,
        important: this.sides.top.important,
        property: this.name,
        value: this.getValue()
    };
};

function processRule(rule, shorts, shortDeclarations, lastShortSelector) {
    var declarations = rule.block.children;
    var selector = rule.prelude.children.first().id;

    rule.block.children.eachRight(function(declaration, item) {
        var property = declaration.property;

        if (!MAIN_PROPERTY.hasOwnProperty(property)) {
            return;
        }

        var key = MAIN_PROPERTY[property];
        var shorthand;
        var operation;

        if (!lastShortSelector || selector === lastShortSelector) {
            if (key in shorts) {
                operation = REMOVE;
                shorthand = shorts[key];
            }
        }

        if (!shorthand || !shorthand.add(property, declaration)) {
            operation = REPLACE;
            shorthand = new TRBL(key);

            // if can't parse value ignore it and break shorthand children
            if (!shorthand.add(property, declaration)) {
                lastShortSelector = null;
                return;
            }
        }

        shorts[key] = shorthand;
        shortDeclarations.push({
            operation: operation,
            block: declarations,
            item: item,
            shorthand: shorthand
        });

        lastShortSelector = selector;
    });

    return lastShortSelector;
}

function processShorthands(shortDeclarations, markDeclaration) {
    shortDeclarations.forEach(function(item) {
        var shorthand = item.shorthand;

        if (!shorthand.isOkToMinimize()) {
            return;
        }

        if (item.operation === REPLACE) {
            item.item.data = markDeclaration(shorthand.getDeclaration());
        } else {
            item.block.remove(item.item);
        }
    });
}

module.exports = function restructBlock(ast, indexer) {
    var stylesheetMap = {};
    var shortDeclarations = [];

    walk(ast, {
        visit: 'Rule',
        reverse: true,
        enter: function(node) {
            var stylesheet = this.block || this.stylesheet;
            var ruleId = (node.pseudoSignature || '') + '|' + node.prelude.children.first().id;
            var ruleMap;
            var shorts;

            if (!stylesheetMap.hasOwnProperty(stylesheet.id)) {
                ruleMap = {
                    lastShortSelector: null
                };
                stylesheetMap[stylesheet.id] = ruleMap;
            } else {
                ruleMap = stylesheetMap[stylesheet.id];
            }

            if (ruleMap.hasOwnProperty(ruleId)) {
                shorts = ruleMap[ruleId];
            } else {
                shorts = {};
                ruleMap[ruleId] = shorts;
            }

            ruleMap.lastShortSelector = processRule.call(this, node, shorts, shortDeclarations, ruleMap.lastShortSelector);
        }
    });

    processShorthands(shortDeclarations, indexer.declaration);
};


/***/ }),
/* 223 */
/***/ (function(module, exports, __webpack_require__) {

var resolveProperty = __webpack_require__(1).property;
var resolveKeyword = __webpack_require__(1).keyword;
var walk = __webpack_require__(1).walk;
var generate = __webpack_require__(1).generate;
var fingerprintId = 1;
var dontRestructure = {
    'src': 1 // https://github.com/afelix/csso/issues/50
};

var DONT_MIX_VALUE = {
    // https://developer.mozilla.org/en-US/docs/Web/CSS/display#Browser_compatibility
    'display': /table|ruby|flex|-(flex)?box$|grid|contents|run-in/i,
    // https://developer.mozilla.org/en/docs/Web/CSS/text-align
    'text-align': /^(start|end|match-parent|justify-all)$/i
};

var CURSOR_SAFE_VALUE = [
    'auto', 'crosshair', 'default', 'move', 'text', 'wait', 'help',
    'n-resize', 'e-resize', 's-resize', 'w-resize',
    'ne-resize', 'nw-resize', 'se-resize', 'sw-resize',
    'pointer', 'progress', 'not-allowed', 'no-drop', 'vertical-text', 'all-scroll',
    'col-resize', 'row-resize'
];

var POSITION_SAFE_VALUE = [
    'static', 'relative', 'absolute', 'fixed'
];

var NEEDLESS_TABLE = {
    'border-width': ['border'],
    'border-style': ['border'],
    'border-color': ['border'],
    'border-top': ['border'],
    'border-right': ['border'],
    'border-bottom': ['border'],
    'border-left': ['border'],
    'border-top-width': ['border-top', 'border-width', 'border'],
    'border-right-width': ['border-right', 'border-width', 'border'],
    'border-bottom-width': ['border-bottom', 'border-width', 'border'],
    'border-left-width': ['border-left', 'border-width', 'border'],
    'border-top-style': ['border-top', 'border-style', 'border'],
    'border-right-style': ['border-right', 'border-style', 'border'],
    'border-bottom-style': ['border-bottom', 'border-style', 'border'],
    'border-left-style': ['border-left', 'border-style', 'border'],
    'border-top-color': ['border-top', 'border-color', 'border'],
    'border-right-color': ['border-right', 'border-color', 'border'],
    'border-bottom-color': ['border-bottom', 'border-color', 'border'],
    'border-left-color': ['border-left', 'border-color', 'border'],
    'margin-top': ['margin'],
    'margin-right': ['margin'],
    'margin-bottom': ['margin'],
    'margin-left': ['margin'],
    'padding-top': ['padding'],
    'padding-right': ['padding'],
    'padding-bottom': ['padding'],
    'padding-left': ['padding'],
    'font-style': ['font'],
    'font-variant': ['font'],
    'font-weight': ['font'],
    'font-size': ['font'],
    'font-family': ['font'],
    'list-style-type': ['list-style'],
    'list-style-position': ['list-style'],
    'list-style-image': ['list-style']
};

function getPropertyFingerprint(propertyName, declaration, fingerprints) {
    var realName = resolveProperty(propertyName).basename;

    if (realName === 'background') {
        return propertyName + ':' + generate(declaration.value);
    }

    var declarationId = declaration.id;
    var fingerprint = fingerprints[declarationId];

    if (!fingerprint) {
        switch (declaration.value.type) {
            case 'Value':
                var vendorId = '';
                var iehack = '';
                var special = {};
                var raw = false;

                declaration.value.children.each(function walk(node) {
                    switch (node.type) {
                        case 'Value':
                        case 'Brackets':
                        case 'Parentheses':
                            node.children.each(walk);
                            break;

                        case 'Raw':
                            raw = true;
                            break;

                        case 'Identifier':
                            var name = node.name;

                            if (!vendorId) {
                                vendorId = resolveKeyword(name).vendor;
                            }

                            if (/\\[09]/.test(name)) {
                                iehack = RegExp.lastMatch;
                            }

                            if (realName === 'cursor') {
                                if (CURSOR_SAFE_VALUE.indexOf(name) === -1) {
                                    special[name] = true;
                                }
                            } else if (realName === 'position') {
                                if (POSITION_SAFE_VALUE.indexOf(name) === -1) {
                                    special[name] = true;
                                }
                            } else if (DONT_MIX_VALUE.hasOwnProperty(realName)) {
                                if (DONT_MIX_VALUE[realName].test(name)) {
                                    special[name] = true;
                                }
                            }

                            break;

                        case 'Function':
                            var name = node.name;

                            if (!vendorId) {
                                vendorId = resolveKeyword(name).vendor;
                            }

                            if (name === 'rect') {
                                // there are 2 forms of rect:
                                //   rect(<top>, <right>, <bottom>, <left>) - standart
                                //   rect(<top> <right> <bottom> <left>) – backwards compatible syntax
                                // only the same form values can be merged
                                var hasComma = node.children.some(function(node) {
                                    return node.type === 'Operator' && node.value === ',';
                                });
                                if (!hasComma) {
                                    name = 'rect-backward';
                                }
                            }

                            special[name + '()'] = true;

                            // check nested tokens too
                            node.children.each(walk);

                            break;

                        case 'Dimension':
                            var unit = node.unit;

                            switch (unit) {
                                // is not supported until IE11
                                case 'rem':

                                // v* units is too buggy across browsers and better
                                // don't merge values with those units
                                case 'vw':
                                case 'vh':
                                case 'vmin':
                                case 'vmax':
                                case 'vm': // IE9 supporting "vm" instead of "vmin".
                                    special[unit] = true;
                                    break;
                            }
                            break;
                    }
                });

                fingerprint = raw
                    ? '!' + fingerprintId++
                    : '!' + Object.keys(special).sort() + '|' + iehack + vendorId;
                break;

            case 'Raw':
                fingerprint = '!' + declaration.value.value;
                break;

            default:
                fingerprint = generate(declaration.value);
        }

        fingerprints[declarationId] = fingerprint;
    }

    return propertyName + fingerprint;
}

function needless(props, declaration, fingerprints) {
    var property = resolveProperty(declaration.property);

    if (NEEDLESS_TABLE.hasOwnProperty(property.basename)) {
        var table = NEEDLESS_TABLE[property.basename];

        for (var i = 0; i < table.length; i++) {
            var ppre = getPropertyFingerprint(property.prefix + table[i], declaration, fingerprints);
            var prev = props.hasOwnProperty(ppre) ? props[ppre] : null;

            if (prev && (!declaration.important || prev.item.data.important)) {
                return prev;
            }
        }
    }
}

function processRule(rule, item, list, props, fingerprints) {
    var declarations = rule.block.children;

    declarations.eachRight(function(declaration, declarationItem) {
        var property = declaration.property;
        var fingerprint = getPropertyFingerprint(property, declaration, fingerprints);
        var prev = props[fingerprint];

        if (prev && !dontRestructure.hasOwnProperty(property)) {
            if (declaration.important && !prev.item.data.important) {
                props[fingerprint] = {
                    block: declarations,
                    item: declarationItem
                };

                prev.block.remove(prev.item);

                // TODO: use it when we can refer to several points in source
                // declaration.loc = {
                //     primary: declaration.loc,
                //     merged: prev.item.data.loc
                // };
            } else {
                declarations.remove(declarationItem);

                // TODO: use it when we can refer to several points in source
                // prev.item.data.loc = {
                //     primary: prev.item.data.loc,
                //     merged: declaration.loc
                // };
            }
        } else {
            var prev = needless(props, declaration, fingerprints);

            if (prev) {
                declarations.remove(declarationItem);

                // TODO: use it when we can refer to several points in source
                // prev.item.data.loc = {
                //     primary: prev.item.data.loc,
                //     merged: declaration.loc
                // };
            } else {
                declaration.fingerprint = fingerprint;

                props[fingerprint] = {
                    block: declarations,
                    item: declarationItem
                };
            }
        }
    });

    if (declarations.isEmpty()) {
        list.remove(item);
    }
}

module.exports = function restructBlock(ast) {
    var stylesheetMap = {};
    var fingerprints = Object.create(null);

    walk(ast, {
        visit: 'Rule',
        reverse: true,
        enter: function(node, item, list) {
            var stylesheet = this.block || this.stylesheet;
            var ruleId = (node.pseudoSignature || '') + '|' + node.prelude.children.first().id;
            var ruleMap;
            var props;

            if (!stylesheetMap.hasOwnProperty(stylesheet.id)) {
                ruleMap = {};
                stylesheetMap[stylesheet.id] = ruleMap;
            } else {
                ruleMap = stylesheetMap[stylesheet.id];
            }

            if (ruleMap.hasOwnProperty(ruleId)) {
                props = ruleMap[ruleId];
            } else {
                props = {};
                ruleMap[ruleId] = props;
            }

            processRule.call(this, node, item, list, props, fingerprints);
        }
    });
};


/***/ }),
/* 224 */
/***/ (function(module, exports, __webpack_require__) {

var walk = __webpack_require__(1).walk;
var utils = __webpack_require__(30);

/*
    At this step all rules has single simple selector. We try to join by equal
    declaration blocks to first rule, e.g.

    .a { color: red }
    b { ... }
    .b { color: red }
    ->
    .a, .b { color: red }
    b { ... }
*/

function processRule(node, item, list) {
    var selectors = node.prelude.children;
    var declarations = node.block.children;
    var nodeCompareMarker = selectors.first().compareMarker;
    var skippedCompareMarkers = {};

    list.nextUntil(item.next, function(next, nextItem) {
        // skip non-ruleset node if safe
        if (next.type !== 'Rule') {
            return utils.unsafeToSkipNode.call(selectors, next);
        }

        if (node.pseudoSignature !== next.pseudoSignature) {
            return true;
        }

        var nextFirstSelector = next.prelude.children.head;
        var nextDeclarations = next.block.children;
        var nextCompareMarker = nextFirstSelector.data.compareMarker;

        // if next ruleset has same marked as one of skipped then stop joining
        if (nextCompareMarker in skippedCompareMarkers) {
            return true;
        }

        // try to join by selectors
        if (selectors.head === selectors.tail) {
            if (selectors.first().id === nextFirstSelector.data.id) {
                declarations.appendList(nextDeclarations);
                list.remove(nextItem);
                return;
            }
        }

        // try to join by properties
        if (utils.isEqualDeclarations(declarations, nextDeclarations)) {
            var nextStr = nextFirstSelector.data.id;

            selectors.some(function(data, item) {
                var curStr = data.id;

                if (nextStr < curStr) {
                    selectors.insert(nextFirstSelector, item);
                    return true;
                }

                if (!item.next) {
                    selectors.insert(nextFirstSelector);
                    return true;
                }
            });

            list.remove(nextItem);
            return;
        }

        // go to next ruleset if current one can be skipped (has no equal specificity nor element selector)
        if (nextCompareMarker === nodeCompareMarker) {
            return true;
        }

        skippedCompareMarkers[nextCompareMarker] = true;
    });
}

module.exports = function mergeRule(ast) {
    walk(ast, {
        visit: 'Rule',
        enter: processRule
    });
};


/***/ }),
/* 225 */
/***/ (function(module, exports, __webpack_require__) {

var List = __webpack_require__(1).List;
var walk = __webpack_require__(1).walk;
var utils = __webpack_require__(30);

function calcSelectorLength(list) {
    var length = 0;

    list.each(function(data) {
        length += data.id.length + 1;
    });

    return length - 1;
}

function calcDeclarationsLength(tokens) {
    var length = 0;

    for (var i = 0; i < tokens.length; i++) {
        length += tokens[i].length;
    }

    return (
        length +          // declarations
        tokens.length - 1 // delimeters
    );
}

function processRule(node, item, list) {
    var avoidRulesMerge = this.block !== null ? this.block.avoidRulesMerge : false;
    var selectors = node.prelude.children;
    var block = node.block;
    var disallowDownMarkers = Object.create(null);
    var allowMergeUp = true;
    var allowMergeDown = true;

    list.prevUntil(item.prev, function(prev, prevItem) {
        // skip non-ruleset node if safe
        if (prev.type !== 'Rule') {
            return utils.unsafeToSkipNode.call(selectors, prev);
        }

        var prevSelectors = prev.prelude.children;
        var prevBlock = prev.block;

        if (node.pseudoSignature !== prev.pseudoSignature) {
            return true;
        }

        allowMergeDown = !prevSelectors.some(function(selector) {
            return selector.compareMarker in disallowDownMarkers;
        });

        // try prev ruleset if simpleselectors has no equal specifity and element selector
        if (!allowMergeDown && !allowMergeUp) {
            return true;
        }

        // try to join by selectors
        if (allowMergeUp && utils.isEqualSelectors(prevSelectors, selectors)) {
            prevBlock.children.appendList(block.children);
            list.remove(item);
            return true;
        }

        // try to join by properties
        var diff = utils.compareDeclarations(block.children, prevBlock.children);

        // console.log(diff.eq, diff.ne1, diff.ne2);

        if (diff.eq.length) {
            if (!diff.ne1.length && !diff.ne2.length) {
                // equal blocks
                if (allowMergeDown) {
                    utils.addSelectors(selectors, prevSelectors);
                    list.remove(prevItem);
                }

                return true;
            } else if (!avoidRulesMerge) { /* probably we don't need to prevent those merges for @keyframes
                                              TODO: need to be checked */

                if (diff.ne1.length && !diff.ne2.length) {
                    // prevBlock is subset block
                    var selectorLength = calcSelectorLength(selectors);
                    var blockLength = calcDeclarationsLength(diff.eq); // declarations length

                    if (allowMergeUp && selectorLength < blockLength) {
                        utils.addSelectors(prevSelectors, selectors);
                        block.children = new List().fromArray(diff.ne1);
                    }
                } else if (!diff.ne1.length && diff.ne2.length) {
                    // node is subset of prevBlock
                    var selectorLength = calcSelectorLength(prevSelectors);
                    var blockLength = calcDeclarationsLength(diff.eq); // declarations length

                    if (allowMergeDown && selectorLength < blockLength) {
                        utils.addSelectors(selectors, prevSelectors);
                        prevBlock.children = new List().fromArray(diff.ne2);
                    }
                } else {
                    // diff.ne1.length && diff.ne2.length
                    // extract equal block
                    var newSelector = {
                        type: 'SelectorList',
                        loc: null,
                        children: utils.addSelectors(prevSelectors.copy(), selectors)
                    };
                    var newBlockLength = calcSelectorLength(newSelector.children) + 2; // selectors length + curly braces length
                    var blockLength = calcDeclarationsLength(diff.eq); // declarations length

                    // create new ruleset if declarations length greater than
                    // ruleset description overhead
                    if (allowMergeDown && blockLength >= newBlockLength) {
                        var newRule = {
                            type: 'Rule',
                            loc: null,
                            prelude: newSelector,
                            block: {
                                type: 'Block',
                                loc: null,
                                children: new List().fromArray(diff.eq)
                            },
                            pseudoSignature: node.pseudoSignature
                        };

                        block.children = new List().fromArray(diff.ne1);
                        prevBlock.children = new List().fromArray(diff.ne2.concat(diff.ne2overrided));
                        list.insert(list.createItem(newRule), prevItem);
                        return true;
                    }
                }
            }
        }

        if (allowMergeUp) {
            // TODO: disallow up merge only if any property interception only (i.e. diff.ne2overrided.length > 0);
            // await property families to find property interception correctly
            allowMergeUp = !prevSelectors.some(function(prevSelector) {
                return selectors.some(function(selector) {
                    return selector.compareMarker === prevSelector.compareMarker;
                });
            });
        }

        prevSelectors.each(function(data) {
            disallowDownMarkers[data.compareMarker] = true;
        });
    });
}

module.exports = function restructRule(ast) {
    walk(ast, {
        visit: 'Rule',
        reverse: true,
        enter: processRule
    });
};


/***/ }),
/* 226 */
/***/ (function(module) {

module.exports = JSON.parse("{\"name\":\"csso\",\"version\":\"3.5.1\",\"description\":\"CSS minifier with structural optimisations\",\"keywords\":[\"css\",\"compress\",\"minifier\",\"minify\",\"optimise\",\"optimisation\",\"csstree\"],\"homepage\":\"https://github.com/css/csso\",\"author\":\"Sergey Kryzhanovsky <skryzhanovsky@ya.ru> (https://github.com/afelix)\",\"maintainers\":[{\"name\":\"Roman Dvornov\",\"email\":\"rdvornov@gmail.com\",\"github-username\":\"lahmatiy\"}],\"license\":\"MIT\",\"repository\":\"css/csso\",\"bugs\":{\"url\":\"https://github.com/css/csso/issues\"},\"main\":\"./lib/index\",\"eslintConfig\":{\"env\":{\"node\":true,\"mocha\":true,\"es6\":true},\"rules\":{\"no-duplicate-case\":2,\"no-undef\":2,\"no-unused-vars\":[2,{\"vars\":\"all\",\"args\":\"after-used\"}]}},\"scripts\":{\"test\":\"mocha --reporter dot\",\"codestyle\":\"jscs lib test && eslint lib test\",\"codestyle-and-test\":\"npm run codestyle && npm test\",\"hydrogen\":\"node --trace-hydrogen --trace-phase=Z --trace-deopt --code-comments --hydrogen-track-positions --redirect-code-traces --redirect-code-traces-to=code.asm --trace_hydrogen_file=code.cfg --print-opt-code bin/csso --stat -o /dev/null\",\"coverage\":\"istanbul cover _mocha -- -R dot\",\"coveralls\":\"istanbul cover _mocha --report lcovonly -- -R dot && cat ./coverage/lcov.info | coveralls\",\"travis\":\"npm run codestyle-and-test && npm run coveralls\",\"browserify\":\"browserify -t package-json-versionify --standalone csso lib/index.js | uglifyjs --compress --mangle -o dist/csso-browser.js\",\"gh-pages\":\"git clone --depth=1 -b gh-pages https://github.com/css/csso.git .gh-pages && npm run browserify && cp dist/csso-browser.js .gh-pages/ && cd .gh-pages && git commit -am \\\"update\\\" && git push && cd .. && rm -rf .gh-pages\",\"prepublish\":\"npm run browserify\",\"postpublish\":\"npm run gh-pages\"},\"dependencies\":{\"css-tree\":\"1.0.0-alpha.29\"},\"devDependencies\":{\"browserify\":\"^13.0.0\",\"coveralls\":\"^2.11.6\",\"eslint\":\"^2.2.0\",\"istanbul\":\"^0.4.2\",\"jscs\":\"~3.0.7\",\"mocha\":\"^3.5.3\",\"package-json-versionify\":\"^1.0.4\",\"source-map\":\"^0.5.6\",\"uglify-js\":\"^2.6.1\"},\"engines\":{\"node\":\">=0.10.0\"},\"files\":[\"dist/csso-browser.js\",\"lib\",\"HISTORY.md\",\"LICENSE\",\"README.md\"]}");

/***/ }),
/* 227 */
/***/ (function(module, exports, __webpack_require__) {

const path = __webpack_require__(3)
const _ = __webpack_require__(10)

const compiler = _.getCompiler()
const wxmlCache = {}
const compilerResCache = {}

module.exports = {
    /**
     * 获取 wxml
     */
    getWxml(componentPath, config) {
        let wxml = wxmlCache[componentPath]

        if (wxml) return wxml
        if (config.compiler === 'official') {
            // 使用官方编译器
            if (!compiler) {
                wxml = _.readFile(`${componentPath}.wxml`)
                if (typeof wxml !== 'function') {
                    // 可能是用官方编译器编译好的函数，所以需要加此判断（如在 karma 测试）
                    throw new Error('not support official compiler, please use simulate compiler')
                }
            } else {
                let gwx
                if (compilerResCache[config.rootPath]) {
                    gwx = compilerResCache[config.rootPath]
                } else {
                    const compileString = compiler.wxmlToJs(config.rootPath, config.compilerOptions)
                    // eslint-disable-next-line no-new-func
                    const compileFunc = new Function(compileString)

                    gwx = compileFunc()
                    compilerResCache[config.rootPath] = gwx
                }

                let relativeWxmlPath = `${path.relative(config.rootPath, componentPath)}.wxml`
                relativeWxmlPath = relativeWxmlPath.replace(/\\/g, '/')

                // 构建编译结果为函数
                wxml = gwx(relativeWxmlPath)
            }
        } else {
            // 使用纯 js 实现的编译器
            wxml = _.readFile(`${componentPath}.wxml`)
        }

        // 缓存 wxml 内容
        wxmlCache[componentPath] = wxml

        return wxml
    }
}


/***/ }),
/* 228 */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {const _ = __webpack_require__(10)

/**
 * Touch polyfill
 */
class Touch {
    constructor(options = {}) {
        this.clientX = 0
        this.clientY = 0
        this.identifier = 0
        this.pageX = 0
        this.pageY = 0
        this.screenX = 0
        this.screenY = 0
        this.target = null

        Object.keys(options).forEach(key => {
            this[key] = options[key]
        })
    }
}

module.exports = function() {
    if (_.getEnv() === 'nodejs') {
        try {
            global.Touch = window.Touch = Touch
        } catch (err) {
            // ignore
        }
    }
}

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(2)))

/***/ }),
/* 229 */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {const jComponent = __webpack_require__(31)

const api = __webpack_require__(230)

const officialTagList = [
    'view', 'scroll-view', 'swiper', 'movable-view', 'cover-view', 'cover-view',
    'icon', 'text', 'rich-text', 'progress',
    'button', 'checkbox', 'form', 'input', 'label', 'picker', 'picker', 'picker-view', 'radio', 'slider', 'switch', 'textarea',
    'navigator', 'function-page-navigator',
    'audio', 'image', 'video', 'camera', 'live-player', 'live-pusher',
    'map',
    'canvas',
    'open-data', 'web-view', 'ad'
]

module.exports = function() {
    // 注册内置组件
    officialTagList.forEach(name => {
        jComponent.register({
            id: name,
            tagName: `wx-${name}`,
            template: '<slot/>',
        })
    })

    // 注入 api
    if (typeof global.wx === 'object') global.wx = Object.assign(api, global.wx)
    else global.wx = api
}

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(2)))

/***/ }),
/* 230 */
/***/ (function(module, exports, __webpack_require__) {

const Animation = __webpack_require__(231)
const MapContext = __webpack_require__(232)
const UpdateManager = __webpack_require__(233)
const dataApi = __webpack_require__(234)
const openApi = __webpack_require__(235)
const _ = __webpack_require__(12)

let nextTickQueue = []
let nextTickTimer = null

module.exports = {
    request: _.mockAsync('request'),

    uploadFile: _.mockAsync('uploadFile'),
    downloadFile: _.mockAsync('downloadFile'),

    connectSocket: _.mockAsync('connectSocket'),
    onSocketOpen: _.mockAsync('onSocketOpen'),
    onSocketError: _.mockAsync('onSocketError'),
    sendSocketMessage: _.mockAsync('sendSocketMessage'),
    onSocketMessage: _.mockAsync('onSocketMessage'),
    closeSocket: _.mockAsync('closeSocket'),
    onSocketClose: _.mockAsync('onSocketClose'),

    chooseImage: _.mockAsync('chooseImage'),
    previewImage: _.mockAsync('previewImage'),
    getImageInfo: _.mockAsync('getImageInfo'),
    saveImageToPhotosAlbum: _.mockAsync('saveImageToPhotosAlbum'),

    startRecord: _.mockAsync('startRecord'),
    stopRecord: _.mockAsync('stopRecord'),

    getRecorderManager: _.mockAsync('getRecorderManager'),

    playVoice: _.mockAsync('playVoice'),
    pauseVoice: _.mockAsync('pauseVoice'),
    stopVoice: _.mockAsync('stopVoice'),

    getBackgroundAudioPlayerState: _.mockAsync('getBackgroundAudioPlayerState'),
    playBackgroundAudio: _.mockAsync('playBackgroundAudio'),
    pauseBackgroundAudio: _.mockAsync('pauseBackgroundAudio'),
    seekBackgroundAudio: _.mockAsync('seekBackgroundAudio'),
    stopBackgroundAudio: _.mockAsync('stopBackgroundAudio'),
    onBackgroundAudioPlay: _.mockAsync('onBackgroundAudioPlay'),
    onBackgroundAudioPause: _.mockAsync('onBackgroundAudioPause'),
    onBackgroundAudioStop: _.mockAsync('onBackgroundAudioStop'),

    getBackgroundAudioManager: _.mockAsync('getBackgroundAudioManager'),

    createAudioContext: _.mockAsync('createAudioContext'),
    createInnerAudioContext: _.mockAsync('createInnerAudioContext'),
    getAvailableAudioSources: _.mockAsync('getAvailableAudioSources'),

    chooseVideo: _.mockAsync('chooseVideo'),
    saveVideoToPhotosAlbum: _.mockAsync('saveVideoToPhotosAlbum'),

    createVideoContext: _.mockAsync('createVideoContext'),

    createCameraContext: _.mockAsync('createCameraContext'),

    createLivePlayerContext: _.mockAsync('createLivePlayerContext'),
    createLivePusherContext: _.mockAsync('createLivePusherContext'),

    loadFontFace: _.mockAsync('loadFontFace'),

    saveFile: _.mockAsync('saveFile'),
    getFileInfo: _.mockAsync('getFileInfo'),
    getSavedFileList: _.mockAsync('getSavedFileList'),
    getSavedFileInfo: _.mockAsync('getSavedFileInfo'),
    removeSavedFile: _.mockAsync('removeSavedFile'),
    openDocument: _.mockAsync('openDocument'),

    onMemoryWarning: _.mockAsync('onMemoryWarning'),

    getNetworkType: _.mockAsync('getNetworkType'),
    onNetworkStatusChange: _.mockAsync('onNetworkStatusChange'),

    onAccelerometerChange: _.mockAsync('onAccelerometerChange'),
    startAccelerometer: _.mockAsync('startAccelerometer'),
    stopAccelerometer: _.mockAsync('stopAccelerometer'),

    onCompassChange: _.mockAsync('onCompassChange'),
    startCompass: _.mockAsync('startCompass'),
    stopCompass: _.mockAsync('stopCompass'),

    makePhoneCall: _.mockAsync('makePhoneCall'),

    scanCode: _.mockAsync('scanCode'),

    setClipboardData: _.mockAsync('setClipboardData'),
    getClipboardData: _.mockAsync('getClipboardData'),

    openBluetoothAdapter: _.mockAsync('openBluetoothAdapter'),
    closeBluetoothAdapter: _.mockAsync('closeBluetoothAdapter'),
    getBluetoothAdapterState: _.mockAsync('getBluetoothAdapterState'),
    onBluetoothAdapterStateChange: _.mockAsync('onBluetoothAdapterStateChange'),
    startBluetoothDevicesDiscovery: _.mockAsync('startBluetoothDevicesDiscovery'),
    stopBluetoothDevicesDiscovery: _.mockAsync('stopBluetoothDevicesDiscovery'),
    getBluetoothDevices: _.mockAsync('getBluetoothDevices'),
    getConnectedBluetoothDevices: _.mockAsync('getConnectedBluetoothDevices'),
    onBluetoothDeviceFound: _.mockAsync('onBluetoothDeviceFound'),
    createBLEConnection: _.mockAsync('createBLEConnection'),
    closeBLEConnection: _.mockAsync('closeBLEConnection'),
    getBLEDeviceServices: _.mockAsync('getBLEDeviceServices'),
    getBLEDeviceCharacteristics: _.mockAsync('getBLEDeviceCharacteristics'),
    readBLECharacteristicValue: _.mockAsync('readBLECharacteristicValue'),
    writeBLECharacteristicValue: _.mockAsync('writeBLECharacteristicValue'),
    notifyBLECharacteristicValueChange: _.mockAsync('notifyBLECharacteristicValueChange'),
    onBLEConnectionStateChange: _.mockAsync('onBLEConnectionStateChange'),
    onBLECharacteristicValueChange: _.mockAsync('onBLECharacteristicValueChange'),

    startBeaconDiscovery: _.mockAsync('startBeaconDiscovery'),
    stopBeaconDiscovery: _.mockAsync('stopBeaconDiscovery'),
    getBeacons: _.mockAsync('getBeacons'),
    onBeaconUpdate: _.mockAsync('onBeaconUpdate'),
    onBeaconServiceChange: _.mockAsync('onBeaconServiceChange'),

    setScreenBrightness: _.mockAsync('setScreenBrightness'),
    getScreenBrightness: _.mockAsync('getScreenBrightness'),
    setKeepScreenOn: _.mockAsync('setKeepScreenOn'),

    onUserCaptureScreen: _.mockAsync('onUserCaptureScreen'),

    vibrateLong: _.mockAsync('vibrateLong'),
    vibrateShort: _.mockAsync('vibrateShort'),

    addPhoneContact: _.mockAsync('addPhoneContact'),

    getHCEState: _.mockAsync('getHCEState'),
    startHCE: _.mockAsync('startHCE'),
    stopHCE: _.mockAsync('stopHCE'),
    onHCEMessage: _.mockAsync('onHCEMessage'),
    sendHCEMessage: _.mockAsync('sendHCEMessage'),

    startWifi: _.mockAsync('startWifi'),
    stopWifi: _.mockAsync('stopWifi'),
    connectWifi: _.mockAsync('connectWifi'),
    getWifiList: _.mockAsync('getWifiList'),
    onGetWifiList: _.mockAsync('onGetWifiList'),
    setWifiList: _.mockAsync('setWifiList'),
    onWifiConnected: _.mockAsync('onWifiConnected'),
    getConnectedWifi: _.mockAsync('getConnectedWifi'),

    showToast: _.mockAsync('showToast'),
    showLoading: _.mockAsync('showLoading'),
    hideToast: _.mockAsync('hideToast'),
    hideLoading: _.mockAsync('hideLoading'),
    showModal: _.mockAsync('showModal'),
    showActionSheet: _.mockAsync('showActionSheet'),

    setNavigationBarTitle: _.mockAsync('setNavigationBarTitle'),
    showNavigationBarLoading: _.mockAsync('showNavigationBarLoading'),
    hideNavigationBarLoading: _.mockAsync('hideNavigationBarLoading'),
    setNavigationBarColor: _.mockAsync('setNavigationBarColor'),

    setTabBarBadge: _.mockAsync('setTabBarBadge'),
    removeTabBarBadge: _.mockAsync('removeTabBarBadge'),
    showTabBarRedDot: _.mockAsync('showTabBarRedDot'),
    hideTabBarRedDot: _.mockAsync('hideTabBarRedDot'),
    setTabBarStyle: _.mockAsync('setTabBarStyle'),
    setTabBarItem: _.mockAsync('setTabBarItem'),
    showTabBar: _.mockAsync('showTabBar'),
    hideTabBar: _.mockAsync('hideTabBar'),

    setBackgroundColor: _.mockAsync('setBackgroundColor'),
    setBackgroundTextStyle: _.mockAsync('setBackgroundTextStyle'),

    setTopBarText: _.mockAsync('setTopBarText'),

    createAnimation(transition = {}) {
        return new Animation(transition)
    },

    pageScrollTo: _.mockAsync('pageScrollTo'),

    createCanvasContext: _.mockAsync('createCanvasContext'),
    createContext: _.mockAsync('createContext'),
    drawCanvas: _.mockAsync('drawCanvas'),
    canvasToTempFilePath: _.mockAsync('canvasToTempFilePath'),
    canvasGetImageData: _.mockAsync('canvasGetImageData'),
    canvasPutImageData: _.mockAsync('canvasPutImageData'),

    startPullDownRefresh: _.mockAsync('startPullDownRefresh'),
    stopPullDownRefresh: _.mockAsync('stopPullDownRefresh'),

    createWorker: _.mockAsync('createWorker'),

    // network
    // TODO

    // media
    // TOOD

    // file
    // TODO

    // data
    ...dataApi,

    // location
    chooseLocation(options = {}) {
        _.runInAsync(options, {
            errMsg: 'chooseLocation:ok',
            address: '广东省广州市海珠区tit创意园品牌街',
            name: '腾讯微信总部',
            latitude: 23.1001,
            longitude: 113.32456,
        })
    },
    getLocation(options = {}) {
        _.runInAsync(options, {
            errMsg: 'getLocation:ok',
            accuracy: 65,
            altitude: 0,
            latitude: 23.12908,
            longitude: 113.26436,
            speed: -1,
            verticalAccuracy: 65,
            horizontalAccuracy: 65,
        })
    },
    openLocation: _.mockAsync('openLocation'),

    // device
    // TODO

    // open
    ...openApi,

    // update
    getUpdateManager() {
        return new UpdateManager()
    },

    // worker
    // TODO

    // report
    reportMonitor: _.mockSync(null),

    // miniprogram
    // TODO

    // base
    canIUse: _.mockSync(true),

    // canvas
    // TODO

    // debug
    getLogManager: _.mockSync(console),
    setEnableDebug: _.mockSync(null),

    // thirdparty
    getExtConfig(options = {}) {
        _.runInAsync(options, {
            errMsg: 'getExtConfig:ok',
            extConfig: wx.getExtConfigSync(),
        })
    },
    getExtConfigSync() {
        return {}
    },

    // map
    createMapContext(...args) {
        return new MapContext(...args)
    },

    // route
    navigateTo: _.mockAsync('navigateTo'),
    redirectTo: _.mockAsync('redirectTo'),
    switchTab: _.mockAsync('switchTab'),
    navigateBack: _.mockAsync('navigateBack'),
    reLaunch: _.mockAsync('reLaunch'),

    // share
    getShareInfo(options = {}) {
        _.runInAsync(options, {
            errMsg: 'getShareInfo:ok',
            encryptedData: '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',
            iv: 'r7BXXKkLb8qrSNn05n0qiA==',
        })
    },
    hideShareMenu: _.mockAsync('hideShareMenu'),
    showShareMenu: _.mockAsync('showShareMenu'),
    updateShareMenu: _.mockAsync('updateShareMenu'),

    // system
    getSystemInfo(options = {}) {
        _.runInAsync(options, {
            errMsg: 'getSystemInfo:ok',
            ...wx.getSystemInfoSync(),
        })
    },
    getSystemInfoSync() {
        return {
            SDKVersion: '2.3.0',
            batteryLevel: 100,
            benchmarkLevel: 1,
            brand: 'devtools',
            fontSizeSetting: 16,
            language: 'zh_CN',
            model: 'iPhone 7 Plus',
            pixelRatio: 3,
            platform: 'devtools',
            screenHeight: 736,
            screenWidth: 414,
            statusBarHeight: 20,
            system: 'iOS 10.0.1',
            version: '6.6.3',
            windowHeight: 672,
            windowWidth: 414,
        }
    },

    // wxml
    createSelectorQuery() {
        return {
            in(compInst) {
                return compInst.createSelectorQuery()
            },
        }
    },
    createIntersectionObserver(compInst, options) {
        return compInst.createIntersectionObserver(options)
    },
    nextTick(func) {
        nextTickQueue.push(func)

        if (nextTickTimer) return
        nextTickTimer = setTimeout(() => {
            const funcQueue = nextTickQueue
            nextTickQueue = []
            nextTickTimer = null

            for (const func of funcQueue) {
                if (func) func()
            }
        }, 0)
    },
}


/***/ }),
/* 231 */
/***/ (function(module, exports) {

class Animation {
    constructor(option = {}) {
        this.actions = []
        this.currentTransform = []
        this.currentStepAnimates = []

        this.option = {
            transition: {
                duration: option.duration !== undefined ? option.duration : 400,
                timingFunction: option.timingFunction !== undefined ? option.timingFunction : 'linear',
                delay: option.delay !== undefined ? option.delay : 0,
            },
            transformOrigin: option.transformOrigin || '50% 50% 0',
        }
    }

    export() {
        const actions = this.actions
        this.actions = []
        return {actions}
    }

    step(option = {}) {
        this.currentStepAnimates.forEach((animate) => {
            if (animate.type !== 'style') {
                this.currentTransform[animate.type] = animate
            } else {
                this.currentTransform[`${animate.type}.${animate.args[0]}`] = animate
            }
        })

        this.actions.push({
            animates: Object.keys(this.currentTransform).reduce((prev, key) => [...prev, this.currentTransform[key]], []),
            option: {
                transformOrigin: option.transformOrigin !== undefined ? option.transformOrigin : this.option.transformOrigin,
                transition: {
                    duration: option.duration !== undefined ? option.duration : this.option.transition.duration,
                    timingFunction: option.timingFunction !== undefined ? option.timingFunction : this.option.transition.timingFunction,
                    delay: option.delay !== undefined ? option.delay : this.option.transition.delay,
                },
            },
        })

        this.currentStepAnimates = []
        return this
    }

    matrix(a = 1, b = 0, c = 0, d = 1, tx = 1, ty = 1) {
        this.currentStepAnimates.push({type: 'matrix', args: [a, b, c, d, tx, ty]})
        return this
    }

    matrix3d(a1 = 1, b1 = 0, c1 = 0, d1 = 0, a2 = 0, b2 = 1, c2 = 0, d2 = 0, a3 = 0, b3 = 0, c3 = 1, d3 = 0, a4 = 0, b4 = 0, c4 = 0, d4 = 1) {
        this.currentStepAnimates.push({type: 'matrix3d', args: [a1, b1, c1, d1, a2, b2, c2, d2, a3, b3, c3, d3, a4, b4, c4, d4]})
        this.stepping = false
        return this
    }

    rotate(angle = 0) {
        this.currentStepAnimates.push({type: 'rotate', args: [angle]})
        return this
    }

    rotate3d(x = 0, y = 0, z = 0, a = 0) {
        this.currentStepAnimates.push({type: 'rotate3d', args: [x, y, z, a]})
        this.stepping = false
        return this
    }

    rotateX(a = 0) {
        this.currentStepAnimates.push({type: 'rotateX', args: [a]})
        this.stepping = false
        return this
    }

    rotateY(a = 0) {
        this.currentStepAnimates.push({type: 'rotateY', args: [a]})
        this.stepping = false
        return this
    }

    rotateZ(a = 0) {
        this.currentStepAnimates.push({type: 'rotateZ', args: [a]})
        this.stepping = false
        return this
    }

    scale(sx = 1, sy) {
        this.currentStepAnimates.push({type: 'scale', args: [sx, sy !== undefined ? sy : sx]})
        return this
    }

    scale3d(sx = 1, sy = 1, sz = 1) {
        this.currentStepAnimates.push({type: 'scale3d', args: [sx, sy, sz]})
        return this
    }

    scaleX(s = 1) {
        this.currentStepAnimates.push({type: 'scaleX', args: [s]})
        return this
    }

    scaleY(s = 1) {
        this.currentStepAnimates.push({type: 'scaleY', args: [s]})
        return this
    }

    scaleZ(s = 1) {
        this.currentStepAnimates.push({type: 'scaleZ', args: [s]})
        return this
    }

    skew(ax = 0, ay = 0) {
        this.currentStepAnimates.push({type: 'skew', args: [ax, ay]})
        return this
    }

    skewX(a = 0) {
        this.currentStepAnimates.push({type: 'skewX', args: [a]})
        return this
    }

    skewY(a = 0) {
        this.currentStepAnimates.push({type: 'skewY', args: [a]})
        return this
    }

    translate(tx = 0, ty = 0) {
        this.currentStepAnimates.push({type: 'translate', args: [tx, ty]})
        return this
    }

    translate3d(tx = 0, ty = 0, tz = 0) {
        this.currentStepAnimates.push({type: 'translate3d', args: [tx, ty, tz]})
        return this
    }

    translateX(t = 0) {
        this.currentStepAnimates.push({type: 'translateX', args: [t]})
        return this
    }

    translateY(t = 0) {
        this.currentStepAnimates.push({type: 'translateY', args: [t]})
        return this
    }

    translateZ(t = 0) {
        this.currentStepAnimates.push({type: 'translateZ', args: [t]})
        return this
    }

    opacity(value) {
        this.currentStepAnimates.push({type: 'style', args: ['opacity', value]})
        return this
    }

    backgroundColor(value) {
        this.currentStepAnimates.push({type: 'style', args: ['background-color', value]})
        return this
    }

    width(value) {
        this.currentStepAnimates.push({type: 'style', args: ['width', typeof value === 'number' ? value + 'px' : value]})
        return this
    }

    height(value) {
        this.currentStepAnimates.push({type: 'style', args: ['height', typeof value === 'number' ? value + 'px' : value]})
        return this
    }

    left(value) {
        this.currentStepAnimates.push({type: 'style', args: ['left', typeof value === 'number' ? value + 'px' : value]})
        return this
    }

    right(value) {
        this.currentStepAnimates.push({type: 'style', args: ['right', typeof value === 'number' ? value + 'px' : value]})
        return this
    }

    top(value) {
        this.currentStepAnimates.push({type: 'style', args: ['top', typeof value === 'number' ? value + 'px' : value]})
        return this
    }

    bottom(value) {
        this.currentStepAnimates.push({type: 'style', args: ['bottom', typeof value === 'number' ? value + 'px' : value]})
        return this
    }
}

module.exports = Animation


/***/ }),
/* 232 */
/***/ (function(module, exports, __webpack_require__) {

/* eslint-disable class-methods-use-this */
const _ = __webpack_require__(12)

class MapContext {
    constructor(id, parent) {
        this._exparserNode = parent.selectComponent(`#${id}`)
    }

    getCenterLocation(options = {}) {
        _.runInAsync(options, {
            errMsg: 'getMapCenterLocation:ok',
            latitude: 39.92,
            longitude: 116.46,
        })
    }

    getRegion(options = {}) {
        _.runInAsync(options, {
            errMsg: 'getMapRegion:ok',
            northeast: {
                latitude: 39.92493685384383,
                longitude: 116.47287460327148,
            },
            southwest: {
                latitude: 39.91506279020459,
                longitude: 116.44712539672851,
            },
        })
    }

    getScale(options = {}) {
        _.runInAsync(options, {
            errMsg: 'getMapScale:ok',
            scale: 14,
        })
    }

    get includePoints() {
        return _.mockAsync('includePoints')
    }

    get moveToLocation() {
        return _.mockSync(null)
    }

    get translateMarker() {
        return _.mockAsync('translateMarker')
    }
}

module.exports = MapContext


/***/ }),
/* 233 */
/***/ (function(module, exports) {

/* eslint-disable class-methods-use-this */
class UpdateManager {
    constructor() {
        this.updateCallback = null
    }

    applyUpdate() {
        setTimeout(() => {
            if (this.updateCallback && typeof this.updateCallback === 'function') {
                this.updateCallback()
            }
        }, 0)
    }

    onCheckForUpdate(callback) {
        setTimeout(() => {
            if (callback && typeof callback === 'function') {
                callback({hasUpdate: true})
            }
        }, 0)
    }

    onUpdateFailed() {}

    onUpdateReady(callback) {
        this.updateCallback = callback
    }
}

module.exports = UpdateManager


/***/ }),
/* 234 */
/***/ (function(module, exports, __webpack_require__) {

/* global localStorage */
const _ = __webpack_require__(12)

module.exports = {
    clearStorage(options) {
        const res = {errMsg: 'clearStorage:ok'}
        try {
            wx.clearStorageSync()
        } catch (err) {
            res.errMsg = `clearStorage:fail ${err.message}`
        }

        _.runInAsync(options, res)
    },
    clearStorageSync() {
        localStorage.clear()
    },
    getStorage(options) {
        const res = {errMsg: 'getStorage:ok'}
        try {
            res.data = wx.getStorageSync(options.key)
        } catch (err) {
            res.errMsg = `getStorage:fail ${err.message}`
        }

        _.runInAsync(options, res)
    },
    getStorageSync(key) {
        const res = localStorage.getItem(key)
        try {
            return JSON.parse(res)
        } catch (err) {
            return res
        }
    },
    getStorageInfo(options) {
        let res = {errMsg: 'getStorageInfo:ok'}
        try {
            const data = wx.getStorageInfoSync()
            res = Object.assign(res, data)
        } catch (err) {
            res.errMsg = `getStorageInfo:fail ${err.message}`
        }

        _.runInAsync(options, res)
    },
    getStorageInfoSync() {
        const length = localStorage.length
        const keys = []
        let currentSize = 0

        for (let i = 0; i < length; i++) {
            const key = localStorage.key(i)
            keys.push(key)
            currentSize += _.getSize(localStorage.getItem(key))
        }

        return {
            keys,
            currentSize,
            limitSize: 1024 * 10,
        }
    },
    removeStorage(options) {
        const res = {errMsg: 'removeStorage:ok'}
        try {
            wx.removeStorageSync(options.key)
        } catch (err) {
            res.errMsg = `removeStorage:fail ${err.message}`
        }

        _.runInAsync(options, res)
    },
    removeStorageSync(key) {
        localStorage.removeItem(key)
    },
    setStorage(options) {
        const res = {errMsg: 'setStorage:ok'}
        try {
            wx.setStorageSync(options.key, options.data)
        } catch (err) {
            res.errMsg = `setStorage:fail ${err.message}`
        }

        _.runInAsync(options, res)
    },
    setStorageSync(key, data) {
        localStorage.setItem(key, JSON.stringify(data))
    },
}


/***/ }),
/* 235 */
/***/ (function(module, exports, __webpack_require__) {

const _ = __webpack_require__(12)

module.exports = {
    getAccountInfoSync: _.mockSync({
        miniProgram: {appId: 'wx4f4bc4dec97d474b'},
    }),
    chooseAddress(options = {}) {
        _.runInAsync(options, {
            errMsg: 'chooseAddress:ok',
            cityName: '广州市',
            countyName: '海珠区',
            detailInfo: '新港中路397号',
            nationalCode: '510000',
            postalCode: '510000',
            provinceName: '广东省',
            telNumber: '020-81167888',
            userName: '张三',
        })
    },
    authorize: _.mockAsync('authorize'),
    addCard(options = {}) {
        const cardList = (options.cardList || []).map(item => ({
            code: 'this is a mock code',
            isSuccess: true,
            ...item,
        }))

        _.runInAsync(options, {
            errMsg: 'addCard:ok',
            cardList
        })
    },
    openCard: _.mockAsync('openCard'),
    reportAnalytics: _.mockSync(null),
    chooseInvoice(options = {}) {
        _.runInAsync(options, {
            errMsg: 'chooseInvoice:ok',
            invoiceInfo: {
                cardId: 'pjZ8Yt5crPbAouhFqFf6JFgZv4Lc',
                encryptCode: 'fbdt/fWy1VitQwhbKtSjNeR3BJyfpeJXfZjjGsdCXiM=',
                publisherAppId: 'wx00000000000000',
            },
        })
    },
    chooseInvoiceTitle(options = {}) {
        _.runInAsync(options, {
            errMsg: 'chooseInvoiceTitle:ok',
            bankAccount: '1209 0928 2210 301',
            bankName: '招商银行股份有限公司广州市体育东路支行',
            companyAddress: '广州市海珠区新港中路397号自编72号(商业街F5-1)',
            taxNumber: '91440101327598294H',
            telephone: '020-81167888',
            title: '广州腾讯科技有限公司',
            type: 0,
        })
    },
    checkSession: _.mockAsync('checkSession'),
    login(options = {}) {
        _.runInAsync(options, {
            errMsg: 'login:ok',
            code: '033UAswz1j8Fjb0lT4yz1Wmrwz1UAsw9',
        })
    },
    navigateBackMiniProgram: _.mockAsync('navigateBackMiniProgram'),
    navigateToMiniProgram: _.mockAsync('navigateToMiniProgram'),
    requestPayment: _.mockAsync('requestPayment'),
    getSetting(options = {}) {
        _.runInAsync(options, {
            errMsg: 'getSetting:ok',
            authSetting: {
                'scope.address': true,
                'scope.invoice': true,
                'scope.invoiceTitle': true,
                'scope.subscribemsg': true,
            },
        })
    },
    openSetting(options = {}) {
        _.runInAsync(options, {
            errMsg: 'openSetting:ok',
            authSetting: {
                'scope.address': true,
                'scope.invoice': true,
                'scope.invoiceTitle': true,
                'scope.subscribemsg': true,
            },
        })
    },
    checkIsSoterEnrolledInDevice(options = {}) {
        _.runInAsync(options, {
            errMsg: 'checkIsSoterEnrolledInDevice:ok',
            isEnrolled: true,
        })
    },
    checkIsSupportSoterAuthentication(options = {}) {
        _.runInAsync(options, {
            errMsg: 'checkIsSupportSoterAuthentication:ok',
            supportMode: ['fingerPrint'],
        })
    },
    startSoterAuthentication: _.mockAsync('startSoterAuthentication'),
    getUserInfo(options) {
        _.runInAsync(options, {
            errMsg: 'getUserInfo:ok',
            userInfo: {
                nickName: 'Band',
                gender: 1,
                language: 'zh_CN',
                city: 'Guangzhou',
                province: 'Guangdong',
                country: 'CN',
                avatarUrl: 'http://wx.qlogo.cn/mmopen/vi_32/aSKcBBPpibyKNicHNTMM0qJVh8Kjgiak2AHWr8MHM4WgMEm7GFhsf8OYrySdbvAMvTsw3mo8ibKicsnfN5pRjl1p8HQ/0',
            },
            rawData: '{"nickName":"Band","gender":1,"language":"zh_CN","city":"Guangzhou","province":"Guangdong","country":"CN","avatarUrl":"http://wx.qlogo.cn/mmopen/vi_32/1vZvI39NWFQ9XM4LtQpFrQJ1xlgZxx3w7bQxKARol6503Iuswjjn6nIGBiaycAjAtpujxyzYsrztuuICqIM5ibXQ/0"}HyVFkGl5F5OQWJZZaNzBBg==',
            signature: '75e81ceda165f4ffa64f4068af58c64b8f54b88c',
            encryptedData: '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',
            iv: 'r7BXXKkLb8qrSNn05n0qiA==',
        })
    },
    getWeRunData(options) {
        _.runInAsync(options, {
            errMsg: 'getUserInfo:ok',
            encryptedData: 'XoLUxF76jN/OsfTGUqF/ZqRn+2PtO66lAMg/g0D3bg1L2/Nds8gTQrH7fGmbTgGtUC2R9lbJh7fLEaO9boeCqru1Em2BD/IbfN6lI/nu55himuBvypESz+H9uV7izLP/',
            iv: 'r7BXXKkLb8qrSNn05n0qiA==',
        })
    },
}


/***/ })
/******/ ]);