"use strict";function _createForOfIteratorHelper(o,allowArrayLike){var it;if(typeof Symbol==="undefined"||o[Symbol.iterator]==null){if(Array.isArray(o)||(it=_unsupportedIterableToArray2(o))||allowArrayLike&&o&&typeof o.length==="number"){if(it)o=it;var i=0;var F=function F(){};return{s:F,n:function n(){if(i>=o.length)return{done:true};return{done:false,value:o[i++]};},e:function e(_e){throw _e;},f:F};}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");}var normalCompletion=true,didErr=false,err;return{s:function s(){it=o[Symbol.iterator]();},n:function n(){var step=it.next();normalCompletion=step.done;return step;},e:function e(_e2){didErr=true;err=_e2;},f:function f(){try{if(!normalCompletion&&it["return"]!=null)it["return"]();}finally{if(didErr)throw err;}}};}function _unsupportedIterableToArray2(o,minLen){if(!o)return;if(typeof o==="string")return _arrayLikeToArray2(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 _arrayLikeToArray2(o,minLen);}function _arrayLikeToArray2(arr,len){if(len==null||len>arr.length)len=arr.length;for(var i=0,arr2=new Array(len);i0){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>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;ilen2?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('');}},{}],2:[function(require,module,exports){},{}],3:[function(require,module,exports){(function(Buffer){/*! * The buffer module from node.js, for the browser. * * @author Feross Aboukhadijeh * @license MIT */ /* eslint-disable no-proto */'use strict';var base64=require('base64-js');var ieee754=require('ieee754');exports.Buffer=Buffer;exports.SlowBuffer=SlowBuffer;exports.INSPECT_MAX_BYTES=50;var K_MAX_LENGTH=0x7fffffff;exports.kMaxLength=K_MAX_LENGTH;/** * If `Buffer.TYPED_ARRAY_SUPPORT`: * === true Use Uint8Array implementation (fastest) * === false Print warning and recommend using `buffer` v4.x which has an 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+. * * We report that the browser does not support typed arrays if the are not subclassable * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array` * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support * for __proto__ and has a buggy typed array implementation. */Buffer.TYPED_ARRAY_SUPPORT=typedArraySupport();if(!Buffer.TYPED_ARRAY_SUPPORT&&typeof console!=='undefined'&&typeof console.error==='function'){console.error('This browser lacks typed array (Uint8Array) support which is required by '+'`buffer` v5.x. Use `buffer` v4.x if you require old browser support.');}function typedArraySupport(){// Can typed array instances can be augmented? try{var arr=new Uint8Array(1);arr.__proto__={__proto__:Uint8Array.prototype,foo:function foo(){return 42;}};return arr.foo()===42;}catch(e){return false;}}Object.defineProperty(Buffer.prototype,'parent',{enumerable:true,get:function get(){if(!Buffer.isBuffer(this))return undefined;return this.buffer;}});Object.defineProperty(Buffer.prototype,'offset',{enumerable:true,get:function get(){if(!Buffer.isBuffer(this))return undefined;return this.byteOffset;}});function createBuffer(length){if(length>K_MAX_LENGTH){throw new RangeError('The value "'+length+'" is invalid for option "size"');}// Return an augmented `Uint8Array` instance var buf=new Uint8Array(length);buf.__proto__=Buffer.prototype;return buf;}/** * 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){// Common case. if(typeof arg==='number'){if(typeof encodingOrOffset==='string'){throw new TypeError('The "string" argument must be of type string. Received type number');}return allocUnsafe(arg);}return from(arg,encodingOrOffset,length);}// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97 if(typeof Symbol!=='undefined'&&Symbol.species!=null&&Buffer[Symbol.species]===Buffer){Object.defineProperty(Buffer,Symbol.species,{value:null,configurable:true,enumerable:false,writable:false});}Buffer.poolSize=8192;// not used by this implementation function from(value,encodingOrOffset,length){if(typeof value==='string'){return fromString(value,encodingOrOffset);}if(ArrayBuffer.isView(value)){return fromArrayLike(value);}if(value==null){throw TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, '+'or Array-like Object. Received type '+_typeof(value));}if(isInstance(value,ArrayBuffer)||value&&isInstance(value.buffer,ArrayBuffer)){return fromArrayBuffer(value,encodingOrOffset,length);}if(typeof value==='number'){throw new TypeError('The "value" argument must not be of type number. Received type number');}var valueOf=value.valueOf&&value.valueOf();if(valueOf!=null&&valueOf!==value){return Buffer.from(valueOf,encodingOrOffset,length);}var b=fromObject(value);if(b)return b;if(typeof Symbol!=='undefined'&&Symbol.toPrimitive!=null&&typeof value[Symbol.toPrimitive]==='function'){return Buffer.from(value[Symbol.toPrimitive]('string'),encodingOrOffset,length);}throw new TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, '+'or Array-like Object. Received type '+_typeof(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(value,encodingOrOffset,length);};// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug: // https://github.com/feross/buffer/pull/148 Buffer.prototype.__proto__=Uint8Array.prototype;Buffer.__proto__=Uint8Array;function assertSize(size){if(typeof size!=='number'){throw new TypeError('"size" argument must be of type number');}else if(size<0){throw new RangeError('The value "'+size+'" is invalid for option "size"');}}function alloc(size,fill,encoding){assertSize(size);if(size<=0){return createBuffer(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(size).fill(fill,encoding):createBuffer(size).fill(fill);}return createBuffer(size);}/** * Creates a new filled Buffer instance. * alloc(size[, fill[, encoding]]) **/Buffer.alloc=function(size,fill,encoding){return alloc(size,fill,encoding);};function allocUnsafe(size){assertSize(size);return createBuffer(size<0?0:checked(size)|0);}/** * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance. * */Buffer.allocUnsafe=function(size){return allocUnsafe(size);};/** * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. */Buffer.allocUnsafeSlow=function(size){return allocUnsafe(size);};function fromString(string,encoding){if(typeof encoding!=='string'||encoding===''){encoding='utf8';}if(!Buffer.isEncoding(encoding)){throw new TypeError('Unknown encoding: '+encoding);}var length=byteLength(string,encoding)|0;var buf=createBuffer(length);var actual=buf.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') buf=buf.slice(0,actual);}return buf;}function fromArrayLike(array){var length=array.length<0?0:checked(array.length)|0;var buf=createBuffer(length);for(var i=0;i=K_MAX_LENGTH){throw new RangeError('Attempt to allocate Buffer larger than maximum '+'size: 0x'+K_MAX_LENGTH.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===true&&b!==Buffer.prototype;// so Buffer.isBuffer(Buffer.prototype) will be false };Buffer.compare=function compare(a,b){if(isInstance(a,Uint8Array))a=Buffer.from(a,a.offset,a.byteLength);if(isInstance(b,Uint8Array))b=Buffer.from(b,b.offset,b.byteLength);if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b)){throw new TypeError('The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array');}if(a===b)return 0;var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i2&&arguments[2]===true;if(!mustMatch&&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':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 mustMatch?-1: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;}}}// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package) // to detect a Buffer instance. It's not possible to use `instanceof Buffer` // reliably in a browserify context because there could be multiple different // copies of the 'buffer' package in use. This method works even for Buffer // instances that were created from another copy of the `buffer` package. // See: https://github.com/feross/buffer/issues/154 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;imax)str+=' ... ';return'';};Buffer.prototype.compare=function compare(target,start,end,thisStart,thisEnd){if(isInstance(target,Uint8Array)){target=Buffer.from(target,target.offset,target.byteLength);}if(!Buffer.isBuffer(target)){throw new TypeError('The "target" argument must be one of type Buffer or Uint8Array. '+'Received type '+_typeof(target));}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= `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(numberIsNaN(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(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;iarrLength)byteOffset=arrLength-valLength;for(i=byteOffset;i>=0;i--){var found=true;for(var j=0;jremaining){length=remaining;}}var strLen=string.length;if(length>strLen/2){length=strLen/2;}for(var i=0;i>>0;if(isFinite(length)){length=length>>>0;if(encoding===undefined)encoding='utf8';}else{encoding=length;length=undefined;}}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(i0xEF?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(ilen)end=len;var out='';for(var i=start;ilen){start=len;}if(end<0){end+=len;if(end<0)end=0;}else if(end>len){end=len;}if(endlength)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>>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){offset=offset>>>0;if(!noAssert)checkOffset(offset,1,this.length);return this[offset];};Buffer.prototype.readUInt16LE=function readUInt16LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8;};Buffer.prototype.readUInt16BE=function readUInt16BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1];};Buffer.prototype.readUInt32LE=function readUInt32LE(offset,noAssert){offset=offset>>>0;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){offset=offset>>>0;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=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){offset=offset>>>0;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){offset=offset>>>0;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){offset=offset>>>0;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){offset=offset>>>0;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){offset=offset>>>0;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){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4);};Buffer.prototype.readFloatBE=function readFloatBE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4);};Buffer.prototype.readDoubleLE=function readDoubleLE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8);};Buffer.prototype.readDoubleBE=function readDoubleBE(offset,noAssert){offset=offset>>>0;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||valuebuf.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>>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);this[offset]=value&0xff;return offset+1;};Buffer.prototype.writeUInt16LE=function writeUInt16LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,0xffff,0);this[offset]=value&0xff;this[offset+1]=value>>>8;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);this[offset]=value>>>8;this[offset+1]=value&0xff;return offset+2;};Buffer.prototype.writeUInt32LE=function writeUInt32LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,0xffffffff,0);this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value&0xff;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);this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&0xff;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>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(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);this[offset]=value&0xff;this[offset+1]=value>>>8;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);this[offset]=value>>>8;this[offset+1]=value&0xff;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);this[offset]=value&0xff;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24;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;this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&0xff;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){value=+value;offset=offset>>>0;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){value=+value;offset=offset>>>0;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(!Buffer.isBuffer(target))throw new TypeError('argument should be a Buffer');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=this.length)throw new RangeError('Index out of range');if(end<0)throw new RangeError('sourceEnd out of bounds');// Are we oob? if(end>this.length)end=this.length;if(target.length-targetStart=0;--i){target[i+targetStart]=this[i+start];}}else{Uint8Array.prototype.set.call(target,this.subarray(start,end),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(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);}if(val.length===1){var code=val.charCodeAt(0);if(encoding==='utf8'&&code<128||encoding==='latin1'){// Fast path: If `val` fits into a single byte, use that numeric value. val=code;}}}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>>0;end=end===undefined?this.length:end>>>0;if(!val)val=0;var i;if(typeof val==='number'){for(i=start;i0xD7FF&&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>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=dst.length||i>=src.length)break;dst[i+offset]=src[i];}return i;}// ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass // the `instanceof` check but they should be treated as of that type. // See: https://github.com/feross/buffer/issues/166 function isInstance(obj,type){return obj instanceof type||obj!=null&&obj.constructor!=null&&obj.constructor.name!=null&&obj.constructor.name===type.name;}function numberIsNaN(obj){// For IE11 support return obj!==obj;// eslint-disable-line no-self-compare }}).call(this,require("buffer").Buffer);},{"base64-js":1,"buffer":3,"ieee754":32}],4:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.attributeNames=exports.elementNames=void 0;exports.elementNames=new Map([["altglyph","altGlyph"],["altglyphdef","altGlyphDef"],["altglyphitem","altGlyphItem"],["animatecolor","animateColor"],["animatemotion","animateMotion"],["animatetransform","animateTransform"],["clippath","clipPath"],["feblend","feBlend"],["fecolormatrix","feColorMatrix"],["fecomponenttransfer","feComponentTransfer"],["fecomposite","feComposite"],["feconvolvematrix","feConvolveMatrix"],["fediffuselighting","feDiffuseLighting"],["fedisplacementmap","feDisplacementMap"],["fedistantlight","feDistantLight"],["fedropshadow","feDropShadow"],["feflood","feFlood"],["fefunca","feFuncA"],["fefuncb","feFuncB"],["fefuncg","feFuncG"],["fefuncr","feFuncR"],["fegaussianblur","feGaussianBlur"],["feimage","feImage"],["femerge","feMerge"],["femergenode","feMergeNode"],["femorphology","feMorphology"],["feoffset","feOffset"],["fepointlight","fePointLight"],["fespecularlighting","feSpecularLighting"],["fespotlight","feSpotLight"],["fetile","feTile"],["feturbulence","feTurbulence"],["foreignobject","foreignObject"],["glyphref","glyphRef"],["lineargradient","linearGradient"],["radialgradient","radialGradient"],["textpath","textPath"]]);exports.attributeNames=new Map([["definitionurl","definitionURL"],["attributename","attributeName"],["attributetype","attributeType"],["basefrequency","baseFrequency"],["baseprofile","baseProfile"],["calcmode","calcMode"],["clippathunits","clipPathUnits"],["diffuseconstant","diffuseConstant"],["edgemode","edgeMode"],["filterunits","filterUnits"],["glyphref","glyphRef"],["gradienttransform","gradientTransform"],["gradientunits","gradientUnits"],["kernelmatrix","kernelMatrix"],["kernelunitlength","kernelUnitLength"],["keypoints","keyPoints"],["keysplines","keySplines"],["keytimes","keyTimes"],["lengthadjust","lengthAdjust"],["limitingconeangle","limitingConeAngle"],["markerheight","markerHeight"],["markerunits","markerUnits"],["markerwidth","markerWidth"],["maskcontentunits","maskContentUnits"],["maskunits","maskUnits"],["numoctaves","numOctaves"],["pathlength","pathLength"],["patterncontentunits","patternContentUnits"],["patterntransform","patternTransform"],["patternunits","patternUnits"],["pointsatx","pointsAtX"],["pointsaty","pointsAtY"],["pointsatz","pointsAtZ"],["preservealpha","preserveAlpha"],["preserveaspectratio","preserveAspectRatio"],["primitiveunits","primitiveUnits"],["refx","refX"],["refy","refY"],["repeatcount","repeatCount"],["repeatdur","repeatDur"],["requiredextensions","requiredExtensions"],["requiredfeatures","requiredFeatures"],["specularconstant","specularConstant"],["specularexponent","specularExponent"],["spreadmethod","spreadMethod"],["startoffset","startOffset"],["stddeviation","stdDeviation"],["stitchtiles","stitchTiles"],["surfacescale","surfaceScale"],["systemlanguage","systemLanguage"],["tablevalues","tableValues"],["targetx","targetX"],["targety","targetY"],["textlength","textLength"],["viewbox","viewBox"],["viewtarget","viewTarget"],["xchannelselector","xChannelSelector"],["ychannelselector","yChannelSelector"],["zoomandpan","zoomAndPan"]]);},{}],5:[function(require,module,exports){"use strict";var __assign=this&&this.__assign||function(){__assign=Object.assign||function(t){for(var s,i=1,n=arguments.length;i0){tag+=render(elem.children,opts);}if(opts.xmlMode||!singleTag.has(elem.name)){tag+="";}}return tag;}function renderDirective(elem){return"<"+elem.data+">";}function renderText(elem,opts){var data=elem.data||"";// If entities weren't decoded, no need to encode them back if(opts.decodeEntities&&!(elem.parent&&unencodedElements.has(elem.parent.name))){data=entities_1.encodeXML(data);}return data;}function renderCdata(elem){return"";}function renderComment(elem){return"";}},{"./foreignNames":4,"domelementtype":6,"entities":20}],6:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.Doctype=exports.CDATA=exports.Tag=exports.Style=exports.Script=exports.Comment=exports.Directive=exports.Text=exports.isTag=void 0;/** * Tests whether an element is a tag or not. * * @param elem Element to test */function isTag(elem){return elem.type==="tag"/* Tag */||elem.type==="script"/* Script */||elem.type==="style"/* Style */;}exports.isTag=isTag;// Exports for backwards compatibility /** Type for Text */exports.Text="text"/* Text */;/** Type for */exports.Directive="directive"/* Directive */;/** Type for */exports.Comment="comment"/* Comment */;/** Type for