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- var INFINITY = 1 / 0,
- MAX_SAFE_INTEGER = 9007199254740991,
- MAX_INTEGER = 1.7976931348623157e+308,
- NAN = 0 / 0;
- var argsTag = '[object Arguments]',
- funcTag = '[object Function]',
- genTag = '[object GeneratorFunction]',
- stringTag = '[object String]',
- symbolTag = '[object Symbol]';
- var reTrim = /^\s+|\s+$/g;
- var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
- var reIsBinary = /^0b[01]+$/i;
- var reIsOctal = /^0o[0-7]+$/i;
- var reIsUint = /^(?:0|[1-9]\d*)$/;
- var freeParseInt = parseInt;
- function arrayMap(array, iteratee) {
- var index = -1,
- length = array ? array.length : 0,
- result = Array(length);
- while (++index < length) {
- result[index] = iteratee(array[index], index, array);
- }
- return result;
- }
- function baseFindIndex(array, predicate, fromIndex, fromRight) {
- var length = array.length,
- index = fromIndex + (fromRight ? 1 : -1);
- while ((fromRight ? index-- : ++index < length)) {
- if (predicate(array[index], index, array)) {
- return index;
- }
- }
- return -1;
- }
- function baseIndexOf(array, value, fromIndex) {
- if (value !== value) {
- return baseFindIndex(array, baseIsNaN, fromIndex);
- }
- var index = fromIndex - 1,
- length = array.length;
- while (++index < length) {
- if (array[index] === value) {
- return index;
- }
- }
- return -1;
- }
- function baseIsNaN(value) {
- return value !== value;
- }
- function baseTimes(n, iteratee) {
- var index = -1,
- result = Array(n);
- while (++index < n) {
- result[index] = iteratee(index);
- }
- return result;
- }
- function baseValues(object, props) {
- return arrayMap(props, function(key) {
- return object[key];
- });
- }
- function overArg(func, transform) {
- return function(arg) {
- return func(transform(arg));
- };
- }
- var objectProto = Object.prototype;
- var hasOwnProperty = objectProto.hasOwnProperty;
- var objectToString = objectProto.toString;
- var propertyIsEnumerable = objectProto.propertyIsEnumerable;
- var nativeKeys = overArg(Object.keys, Object),
- nativeMax = Math.max;
- function arrayLikeKeys(value, inherited) {
-
-
- var result = (isArray(value) || isArguments(value))
- ? baseTimes(value.length, String)
- : [];
- var length = result.length,
- skipIndexes = !!length;
- for (var key in value) {
- if ((inherited || hasOwnProperty.call(value, key)) &&
- !(skipIndexes && (key == 'length' || isIndex(key, length)))) {
- result.push(key);
- }
- }
- return result;
- }
- function baseKeys(object) {
- if (!isPrototype(object)) {
- return nativeKeys(object);
- }
- var result = [];
- for (var key in Object(object)) {
- if (hasOwnProperty.call(object, key) && key != 'constructor') {
- result.push(key);
- }
- }
- return result;
- }
- function isIndex(value, length) {
- length = length == null ? MAX_SAFE_INTEGER : length;
- return !!length &&
- (typeof value == 'number' || reIsUint.test(value)) &&
- (value > -1 && value % 1 == 0 && value < length);
- }
- function isPrototype(value) {
- var Ctor = value && value.constructor,
- proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
- return value === proto;
- }
- function includes(collection, value, fromIndex, guard) {
- collection = isArrayLike(collection) ? collection : values(collection);
- fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;
- var length = collection.length;
- if (fromIndex < 0) {
- fromIndex = nativeMax(length + fromIndex, 0);
- }
- return isString(collection)
- ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
- : (!!length && baseIndexOf(collection, value, fromIndex) > -1);
- }
- function isArguments(value) {
-
- return isArrayLikeObject(value) && hasOwnProperty.call(value, 'callee') &&
- (!propertyIsEnumerable.call(value, 'callee') || objectToString.call(value) == argsTag);
- }
- var isArray = Array.isArray;
- function isArrayLike(value) {
- return value != null && isLength(value.length) && !isFunction(value);
- }
- function isArrayLikeObject(value) {
- return isObjectLike(value) && isArrayLike(value);
- }
- function isFunction(value) {
-
-
- var tag = isObject(value) ? objectToString.call(value) : '';
- return tag == funcTag || tag == genTag;
- }
- function isLength(value) {
- return typeof value == 'number' &&
- value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
- }
- function isObject(value) {
- var type = typeof value;
- return !!value && (type == 'object' || type == 'function');
- }
- function isObjectLike(value) {
- return !!value && typeof value == 'object';
- }
- function isString(value) {
- return typeof value == 'string' ||
- (!isArray(value) && isObjectLike(value) && objectToString.call(value) == stringTag);
- }
- function isSymbol(value) {
- return typeof value == 'symbol' ||
- (isObjectLike(value) && objectToString.call(value) == symbolTag);
- }
- function toFinite(value) {
- if (!value) {
- return value === 0 ? value : 0;
- }
- value = toNumber(value);
- if (value === INFINITY || value === -INFINITY) {
- var sign = (value < 0 ? -1 : 1);
- return sign * MAX_INTEGER;
- }
- return value === value ? value : 0;
- }
- function toInteger(value) {
- var result = toFinite(value),
- remainder = result % 1;
- return result === result ? (remainder ? result - remainder : result) : 0;
- }
- function toNumber(value) {
- if (typeof value == 'number') {
- return value;
- }
- if (isSymbol(value)) {
- return NAN;
- }
- if (isObject(value)) {
- var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
- value = isObject(other) ? (other + '') : other;
- }
- if (typeof value != 'string') {
- return value === 0 ? value : +value;
- }
- value = value.replace(reTrim, '');
- var isBinary = reIsBinary.test(value);
- return (isBinary || reIsOctal.test(value))
- ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
- : (reIsBadHex.test(value) ? NAN : +value);
- }
- function keys(object) {
- return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
- }
- function values(object) {
- return object ? baseValues(object, keys(object)) : [];
- }
- module.exports = includes;
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