870 lines
22 KiB
JavaScript
870 lines
22 KiB
JavaScript
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/**
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* lodash (Custom Build) <https://lodash.com/>
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* Build: `lodash modularize exports="npm" -o ./`
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* Copyright jQuery Foundation and other contributors <https://jquery.org/>
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* Released under MIT license <https://lodash.com/license>
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* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
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* Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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*/
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/** Used as references for various `Number` constants. */
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var MAX_SAFE_INTEGER = 9007199254740991;
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/** `Object#toString` result references. */
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var argsTag = '[object Arguments]',
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funcTag = '[object Function]',
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genTag = '[object GeneratorFunction]',
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mapTag = '[object Map]',
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objectTag = '[object Object]',
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promiseTag = '[object Promise]',
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setTag = '[object Set]',
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stringTag = '[object String]',
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weakMapTag = '[object WeakMap]';
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var dataViewTag = '[object DataView]';
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/**
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* Used to match `RegExp`
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* [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
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*/
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var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
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/** Used to detect host constructors (Safari). */
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var reIsHostCtor = /^\[object .+?Constructor\]$/;
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/** Used to detect unsigned integer values. */
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var reIsUint = /^(?:0|[1-9]\d*)$/;
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/** Used to compose unicode character classes. */
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var rsAstralRange = '\\ud800-\\udfff',
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rsComboMarksRange = '\\u0300-\\u036f\\ufe20-\\ufe23',
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rsComboSymbolsRange = '\\u20d0-\\u20f0',
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rsVarRange = '\\ufe0e\\ufe0f';
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/** Used to compose unicode capture groups. */
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var rsAstral = '[' + rsAstralRange + ']',
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rsCombo = '[' + rsComboMarksRange + rsComboSymbolsRange + ']',
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rsFitz = '\\ud83c[\\udffb-\\udfff]',
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rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
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rsNonAstral = '[^' + rsAstralRange + ']',
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rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
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rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
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rsZWJ = '\\u200d';
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/** Used to compose unicode regexes. */
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var reOptMod = rsModifier + '?',
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rsOptVar = '[' + rsVarRange + ']?',
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rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
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rsSeq = rsOptVar + reOptMod + rsOptJoin,
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rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
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/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
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var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
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/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
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var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboMarksRange + rsComboSymbolsRange + rsVarRange + ']');
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/** Detect free variable `global` from Node.js. */
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var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
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/** Detect free variable `self`. */
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var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
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/** Used as a reference to the global object. */
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var root = freeGlobal || freeSelf || Function('return this')();
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/**
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* A specialized version of `_.map` for arrays without support for iteratee
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* shorthands.
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*
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* @private
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* @param {Array} [array] The array to iterate over.
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* @param {Function} iteratee The function invoked per iteration.
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* @returns {Array} Returns the new mapped array.
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*/
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function arrayMap(array, iteratee) {
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var index = -1,
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length = array ? array.length : 0,
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result = Array(length);
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while (++index < length) {
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result[index] = iteratee(array[index], index, array);
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}
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return result;
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}
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/**
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* Converts an ASCII `string` to an array.
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*
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* @private
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* @param {string} string The string to convert.
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* @returns {Array} Returns the converted array.
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*/
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function asciiToArray(string) {
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return string.split('');
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}
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/**
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* The base implementation of `_.times` without support for iteratee shorthands
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* or max array length checks.
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*
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* @private
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* @param {number} n The number of times to invoke `iteratee`.
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* @param {Function} iteratee The function invoked per iteration.
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* @returns {Array} Returns the array of results.
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*/
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function baseTimes(n, iteratee) {
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var index = -1,
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result = Array(n);
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while (++index < n) {
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result[index] = iteratee(index);
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}
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return result;
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}
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/**
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* The base implementation of `_.values` and `_.valuesIn` which creates an
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* array of `object` property values corresponding to the property names
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* of `props`.
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*
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* @private
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* @param {Object} object The object to query.
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* @param {Array} props The property names to get values for.
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* @returns {Object} Returns the array of property values.
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*/
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function baseValues(object, props) {
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return arrayMap(props, function(key) {
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return object[key];
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});
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}
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/**
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* Gets the value at `key` of `object`.
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*
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* @private
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* @param {Object} [object] The object to query.
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* @param {string} key The key of the property to get.
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* @returns {*} Returns the property value.
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*/
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function getValue(object, key) {
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return object == null ? undefined : object[key];
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}
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/**
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* Checks if `string` contains Unicode symbols.
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*
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* @private
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* @param {string} string The string to inspect.
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* @returns {boolean} Returns `true` if a symbol is found, else `false`.
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*/
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function hasUnicode(string) {
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return reHasUnicode.test(string);
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}
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/**
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* Checks if `value` is a host object in IE < 9.
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*
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* @private
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is a host object, else `false`.
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*/
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function isHostObject(value) {
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// Many host objects are `Object` objects that can coerce to strings
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// despite having improperly defined `toString` methods.
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var result = false;
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if (value != null && typeof value.toString != 'function') {
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try {
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result = !!(value + '');
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} catch (e) {}
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}
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return result;
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}
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/**
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* Converts `iterator` to an array.
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*
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* @private
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* @param {Object} iterator The iterator to convert.
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* @returns {Array} Returns the converted array.
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*/
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function iteratorToArray(iterator) {
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var data,
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result = [];
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while (!(data = iterator.next()).done) {
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result.push(data.value);
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}
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return result;
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}
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/**
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* Converts `map` to its key-value pairs.
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*
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* @private
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* @param {Object} map The map to convert.
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* @returns {Array} Returns the key-value pairs.
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*/
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function mapToArray(map) {
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var index = -1,
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result = Array(map.size);
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map.forEach(function(value, key) {
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result[++index] = [key, value];
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});
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return result;
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}
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/**
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* Creates a unary function that invokes `func` with its argument transformed.
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*
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* @private
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* @param {Function} func The function to wrap.
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* @param {Function} transform The argument transform.
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* @returns {Function} Returns the new function.
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*/
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function overArg(func, transform) {
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return function(arg) {
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return func(transform(arg));
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};
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}
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/**
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* Converts `set` to an array of its values.
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*
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* @private
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* @param {Object} set The set to convert.
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* @returns {Array} Returns the values.
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*/
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function setToArray(set) {
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var index = -1,
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result = Array(set.size);
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set.forEach(function(value) {
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result[++index] = value;
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});
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return result;
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}
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/**
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* Converts `string` to an array.
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*
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* @private
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* @param {string} string The string to convert.
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* @returns {Array} Returns the converted array.
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*/
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function stringToArray(string) {
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return hasUnicode(string)
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? unicodeToArray(string)
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: asciiToArray(string);
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}
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/**
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* Converts a Unicode `string` to an array.
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*
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* @private
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* @param {string} string The string to convert.
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* @returns {Array} Returns the converted array.
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*/
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function unicodeToArray(string) {
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return string.match(reUnicode) || [];
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}
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/** Used for built-in method references. */
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var funcProto = Function.prototype,
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objectProto = Object.prototype;
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/** Used to detect overreaching core-js shims. */
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var coreJsData = root['__core-js_shared__'];
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/** Used to detect methods masquerading as native. */
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var maskSrcKey = (function() {
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var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
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return uid ? ('Symbol(src)_1.' + uid) : '';
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}());
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/** Used to resolve the decompiled source of functions. */
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var funcToString = funcProto.toString;
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/** Used to check objects for own properties. */
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var hasOwnProperty = objectProto.hasOwnProperty;
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/**
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* Used to resolve the
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* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
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* of values.
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*/
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var objectToString = objectProto.toString;
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/** Used to detect if a method is native. */
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var reIsNative = RegExp('^' +
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funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
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.replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
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);
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/** Built-in value references. */
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var Symbol = root.Symbol,
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iteratorSymbol = Symbol ? Symbol.iterator : undefined,
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propertyIsEnumerable = objectProto.propertyIsEnumerable;
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/* Built-in method references for those with the same name as other `lodash` methods. */
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var nativeKeys = overArg(Object.keys, Object);
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/* Built-in method references that are verified to be native. */
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var DataView = getNative(root, 'DataView'),
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Map = getNative(root, 'Map'),
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Promise = getNative(root, 'Promise'),
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Set = getNative(root, 'Set'),
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WeakMap = getNative(root, 'WeakMap');
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/** Used to detect maps, sets, and weakmaps. */
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var dataViewCtorString = toSource(DataView),
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mapCtorString = toSource(Map),
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promiseCtorString = toSource(Promise),
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setCtorString = toSource(Set),
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weakMapCtorString = toSource(WeakMap);
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/**
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* Creates an array of the enumerable property names of the array-like `value`.
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*
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* @private
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* @param {*} value The value to query.
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* @param {boolean} inherited Specify returning inherited property names.
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* @returns {Array} Returns the array of property names.
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*/
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function arrayLikeKeys(value, inherited) {
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// Safari 8.1 makes `arguments.callee` enumerable in strict mode.
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// Safari 9 makes `arguments.length` enumerable in strict mode.
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var result = (isArray(value) || isArguments(value))
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? baseTimes(value.length, String)
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: [];
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var length = result.length,
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skipIndexes = !!length;
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for (var key in value) {
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if ((inherited || hasOwnProperty.call(value, key)) &&
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!(skipIndexes && (key == 'length' || isIndex(key, length)))) {
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result.push(key);
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}
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}
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return result;
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}
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/**
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* The base implementation of `getTag`.
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*
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* @private
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* @param {*} value The value to query.
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* @returns {string} Returns the `toStringTag`.
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*/
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function baseGetTag(value) {
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return objectToString.call(value);
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}
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/**
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* The base implementation of `_.isNative` without bad shim checks.
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*
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* @private
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is a native function,
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* else `false`.
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*/
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function baseIsNative(value) {
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if (!isObject(value) || isMasked(value)) {
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return false;
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}
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var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor;
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return pattern.test(toSource(value));
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}
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/**
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* The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
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*
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* @private
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* @param {Object} object The object to query.
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* @returns {Array} Returns the array of property names.
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*/
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function baseKeys(object) {
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if (!isPrototype(object)) {
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return nativeKeys(object);
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}
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var result = [];
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for (var key in Object(object)) {
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if (hasOwnProperty.call(object, key) && key != 'constructor') {
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result.push(key);
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}
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}
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return result;
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}
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/**
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* Copies the values of `source` to `array`.
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*
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* @private
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* @param {Array} source The array to copy values from.
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* @param {Array} [array=[]] The array to copy values to.
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* @returns {Array} Returns `array`.
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*/
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function copyArray(source, array) {
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var index = -1,
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length = source.length;
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array || (array = Array(length));
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while (++index < length) {
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array[index] = source[index];
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}
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return array;
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}
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/**
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* Gets the native function at `key` of `object`.
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*
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* @private
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* @param {Object} object The object to query.
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* @param {string} key The key of the method to get.
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* @returns {*} Returns the function if it's native, else `undefined`.
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*/
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function getNative(object, key) {
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var value = getValue(object, key);
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return baseIsNative(value) ? value : undefined;
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}
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/**
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* Gets the `toStringTag` of `value`.
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*
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* @private
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* @param {*} value The value to query.
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* @returns {string} Returns the `toStringTag`.
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*/
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var getTag = baseGetTag;
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||
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// Fallback for data views, maps, sets, and weak maps in IE 11,
|
||
|
// for data views in Edge < 14, and promises in Node.js.
|
||
|
if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
|
||
|
(Map && getTag(new Map) != mapTag) ||
|
||
|
(Promise && getTag(Promise.resolve()) != promiseTag) ||
|
||
|
(Set && getTag(new Set) != setTag) ||
|
||
|
(WeakMap && getTag(new WeakMap) != weakMapTag)) {
|
||
|
getTag = function(value) {
|
||
|
var result = objectToString.call(value),
|
||
|
Ctor = result == objectTag ? value.constructor : undefined,
|
||
|
ctorString = Ctor ? toSource(Ctor) : undefined;
|
||
|
|
||
|
if (ctorString) {
|
||
|
switch (ctorString) {
|
||
|
case dataViewCtorString: return dataViewTag;
|
||
|
case mapCtorString: return mapTag;
|
||
|
case promiseCtorString: return promiseTag;
|
||
|
case setCtorString: return setTag;
|
||
|
case weakMapCtorString: return weakMapTag;
|
||
|
}
|
||
|
}
|
||
|
return result;
|
||
|
};
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Checks if `value` is a valid array-like index.
|
||
|
*
|
||
|
* @private
|
||
|
* @param {*} value The value to check.
|
||
|
* @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
|
||
|
* @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
|
||
|
*/
|
||
|
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);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Checks if `func` has its source masked.
|
||
|
*
|
||
|
* @private
|
||
|
* @param {Function} func The function to check.
|
||
|
* @returns {boolean} Returns `true` if `func` is masked, else `false`.
|
||
|
*/
|
||
|
function isMasked(func) {
|
||
|
return !!maskSrcKey && (maskSrcKey in func);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Checks if `value` is likely a prototype object.
|
||
|
*
|
||
|
* @private
|
||
|
* @param {*} value The value to check.
|
||
|
* @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
|
||
|
*/
|
||
|
function isPrototype(value) {
|
||
|
var Ctor = value && value.constructor,
|
||
|
proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
|
||
|
|
||
|
return value === proto;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Converts `func` to its source code.
|
||
|
*
|
||
|
* @private
|
||
|
* @param {Function} func The function to process.
|
||
|
* @returns {string} Returns the source code.
|
||
|
*/
|
||
|
function toSource(func) {
|
||
|
if (func != null) {
|
||
|
try {
|
||
|
return funcToString.call(func);
|
||
|
} catch (e) {}
|
||
|
try {
|
||
|
return (func + '');
|
||
|
} catch (e) {}
|
||
|
}
|
||
|
return '';
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Checks if `value` is likely an `arguments` object.
|
||
|
*
|
||
|
* @static
|
||
|
* @memberOf _
|
||
|
* @since 0.1.0
|
||
|
* @category Lang
|
||
|
* @param {*} value The value to check.
|
||
|
* @returns {boolean} Returns `true` if `value` is an `arguments` object,
|
||
|
* else `false`.
|
||
|
* @example
|
||
|
*
|
||
|
* _.isArguments(function() { return arguments; }());
|
||
|
* // => true
|
||
|
*
|
||
|
* _.isArguments([1, 2, 3]);
|
||
|
* // => false
|
||
|
*/
|
||
|
function isArguments(value) {
|
||
|
// Safari 8.1 makes `arguments.callee` enumerable in strict mode.
|
||
|
return isArrayLikeObject(value) && hasOwnProperty.call(value, 'callee') &&
|
||
|
(!propertyIsEnumerable.call(value, 'callee') || objectToString.call(value) == argsTag);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Checks if `value` is classified as an `Array` object.
|
||
|
*
|
||
|
* @static
|
||
|
* @memberOf _
|
||
|
* @since 0.1.0
|
||
|
* @category Lang
|
||
|
* @param {*} value The value to check.
|
||
|
* @returns {boolean} Returns `true` if `value` is an array, else `false`.
|
||
|
* @example
|
||
|
*
|
||
|
* _.isArray([1, 2, 3]);
|
||
|
* // => true
|
||
|
*
|
||
|
* _.isArray(document.body.children);
|
||
|
* // => false
|
||
|
*
|
||
|
* _.isArray('abc');
|
||
|
* // => false
|
||
|
*
|
||
|
* _.isArray(_.noop);
|
||
|
* // => false
|
||
|
*/
|
||
|
var isArray = Array.isArray;
|
||
|
|
||
|
/**
|
||
|
* Checks if `value` is array-like. A value is considered array-like if it's
|
||
|
* not a function and has a `value.length` that's an integer greater than or
|
||
|
* equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
|
||
|
*
|
||
|
* @static
|
||
|
* @memberOf _
|
||
|
* @since 4.0.0
|
||
|
* @category Lang
|
||
|
* @param {*} value The value to check.
|
||
|
* @returns {boolean} Returns `true` if `value` is array-like, else `false`.
|
||
|
* @example
|
||
|
*
|
||
|
* _.isArrayLike([1, 2, 3]);
|
||
|
* // => true
|
||
|
*
|
||
|
* _.isArrayLike(document.body.children);
|
||
|
* // => true
|
||
|
*
|
||
|
* _.isArrayLike('abc');
|
||
|
* // => true
|
||
|
*
|
||
|
* _.isArrayLike(_.noop);
|
||
|
* // => false
|
||
|
*/
|
||
|
function isArrayLike(value) {
|
||
|
return value != null && isLength(value.length) && !isFunction(value);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* This method is like `_.isArrayLike` except that it also checks if `value`
|
||
|
* is an object.
|
||
|
*
|
||
|
* @static
|
||
|
* @memberOf _
|
||
|
* @since 4.0.0
|
||
|
* @category Lang
|
||
|
* @param {*} value The value to check.
|
||
|
* @returns {boolean} Returns `true` if `value` is an array-like object,
|
||
|
* else `false`.
|
||
|
* @example
|
||
|
*
|
||
|
* _.isArrayLikeObject([1, 2, 3]);
|
||
|
* // => true
|
||
|
*
|
||
|
* _.isArrayLikeObject(document.body.children);
|
||
|
* // => true
|
||
|
*
|
||
|
* _.isArrayLikeObject('abc');
|
||
|
* // => false
|
||
|
*
|
||
|
* _.isArrayLikeObject(_.noop);
|
||
|
* // => false
|
||
|
*/
|
||
|
function isArrayLikeObject(value) {
|
||
|
return isObjectLike(value) && isArrayLike(value);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Checks if `value` is classified as a `Function` object.
|
||
|
*
|
||
|
* @static
|
||
|
* @memberOf _
|
||
|
* @since 0.1.0
|
||
|
* @category Lang
|
||
|
* @param {*} value The value to check.
|
||
|
* @returns {boolean} Returns `true` if `value` is a function, else `false`.
|
||
|
* @example
|
||
|
*
|
||
|
* _.isFunction(_);
|
||
|
* // => true
|
||
|
*
|
||
|
* _.isFunction(/abc/);
|
||
|
* // => false
|
||
|
*/
|
||
|
function isFunction(value) {
|
||
|
// The use of `Object#toString` avoids issues with the `typeof` operator
|
||
|
// in Safari 8-9 which returns 'object' for typed array and other constructors.
|
||
|
var tag = isObject(value) ? objectToString.call(value) : '';
|
||
|
return tag == funcTag || tag == genTag;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Checks if `value` is a valid array-like length.
|
||
|
*
|
||
|
* **Note:** This method is loosely based on
|
||
|
* [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
|
||
|
*
|
||
|
* @static
|
||
|
* @memberOf _
|
||
|
* @since 4.0.0
|
||
|
* @category Lang
|
||
|
* @param {*} value The value to check.
|
||
|
* @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
|
||
|
* @example
|
||
|
*
|
||
|
* _.isLength(3);
|
||
|
* // => true
|
||
|
*
|
||
|
* _.isLength(Number.MIN_VALUE);
|
||
|
* // => false
|
||
|
*
|
||
|
* _.isLength(Infinity);
|
||
|
* // => false
|
||
|
*
|
||
|
* _.isLength('3');
|
||
|
* // => false
|
||
|
*/
|
||
|
function isLength(value) {
|
||
|
return typeof value == 'number' &&
|
||
|
value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Checks if `value` is the
|
||
|
* [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
|
||
|
* of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
|
||
|
*
|
||
|
* @static
|
||
|
* @memberOf _
|
||
|
* @since 0.1.0
|
||
|
* @category Lang
|
||
|
* @param {*} value The value to check.
|
||
|
* @returns {boolean} Returns `true` if `value` is an object, else `false`.
|
||
|
* @example
|
||
|
*
|
||
|
* _.isObject({});
|
||
|
* // => true
|
||
|
*
|
||
|
* _.isObject([1, 2, 3]);
|
||
|
* // => true
|
||
|
*
|
||
|
* _.isObject(_.noop);
|
||
|
* // => true
|
||
|
*
|
||
|
* _.isObject(null);
|
||
|
* // => false
|
||
|
*/
|
||
|
function isObject(value) {
|
||
|
var type = typeof value;
|
||
|
return !!value && (type == 'object' || type == 'function');
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Checks if `value` is object-like. A value is object-like if it's not `null`
|
||
|
* and has a `typeof` result of "object".
|
||
|
*
|
||
|
* @static
|
||
|
* @memberOf _
|
||
|
* @since 4.0.0
|
||
|
* @category Lang
|
||
|
* @param {*} value The value to check.
|
||
|
* @returns {boolean} Returns `true` if `value` is object-like, else `false`.
|
||
|
* @example
|
||
|
*
|
||
|
* _.isObjectLike({});
|
||
|
* // => true
|
||
|
*
|
||
|
* _.isObjectLike([1, 2, 3]);
|
||
|
* // => true
|
||
|
*
|
||
|
* _.isObjectLike(_.noop);
|
||
|
* // => false
|
||
|
*
|
||
|
* _.isObjectLike(null);
|
||
|
* // => false
|
||
|
*/
|
||
|
function isObjectLike(value) {
|
||
|
return !!value && typeof value == 'object';
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Checks if `value` is classified as a `String` primitive or object.
|
||
|
*
|
||
|
* @static
|
||
|
* @since 0.1.0
|
||
|
* @memberOf _
|
||
|
* @category Lang
|
||
|
* @param {*} value The value to check.
|
||
|
* @returns {boolean} Returns `true` if `value` is a string, else `false`.
|
||
|
* @example
|
||
|
*
|
||
|
* _.isString('abc');
|
||
|
* // => true
|
||
|
*
|
||
|
* _.isString(1);
|
||
|
* // => false
|
||
|
*/
|
||
|
function isString(value) {
|
||
|
return typeof value == 'string' ||
|
||
|
(!isArray(value) && isObjectLike(value) && objectToString.call(value) == stringTag);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Converts `value` to an array.
|
||
|
*
|
||
|
* @static
|
||
|
* @since 0.1.0
|
||
|
* @memberOf _
|
||
|
* @category Lang
|
||
|
* @param {*} value The value to convert.
|
||
|
* @returns {Array} Returns the converted array.
|
||
|
* @example
|
||
|
*
|
||
|
* _.toArray({ 'a': 1, 'b': 2 });
|
||
|
* // => [1, 2]
|
||
|
*
|
||
|
* _.toArray('abc');
|
||
|
* // => ['a', 'b', 'c']
|
||
|
*
|
||
|
* _.toArray(1);
|
||
|
* // => []
|
||
|
*
|
||
|
* _.toArray(null);
|
||
|
* // => []
|
||
|
*/
|
||
|
function toArray(value) {
|
||
|
if (!value) {
|
||
|
return [];
|
||
|
}
|
||
|
if (isArrayLike(value)) {
|
||
|
return isString(value) ? stringToArray(value) : copyArray(value);
|
||
|
}
|
||
|
if (iteratorSymbol && value[iteratorSymbol]) {
|
||
|
return iteratorToArray(value[iteratorSymbol]());
|
||
|
}
|
||
|
var tag = getTag(value),
|
||
|
func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);
|
||
|
|
||
|
return func(value);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Creates an array of the own enumerable property names of `object`.
|
||
|
*
|
||
|
* **Note:** Non-object values are coerced to objects. See the
|
||
|
* [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
|
||
|
* for more details.
|
||
|
*
|
||
|
* @static
|
||
|
* @since 0.1.0
|
||
|
* @memberOf _
|
||
|
* @category Object
|
||
|
* @param {Object} object The object to query.
|
||
|
* @returns {Array} Returns the array of property names.
|
||
|
* @example
|
||
|
*
|
||
|
* function Foo() {
|
||
|
* this.a = 1;
|
||
|
* this.b = 2;
|
||
|
* }
|
||
|
*
|
||
|
* Foo.prototype.c = 3;
|
||
|
*
|
||
|
* _.keys(new Foo);
|
||
|
* // => ['a', 'b'] (iteration order is not guaranteed)
|
||
|
*
|
||
|
* _.keys('hi');
|
||
|
* // => ['0', '1']
|
||
|
*/
|
||
|
function keys(object) {
|
||
|
return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Creates an array of the own enumerable string keyed property values of `object`.
|
||
|
*
|
||
|
* **Note:** Non-object values are coerced to objects.
|
||
|
*
|
||
|
* @static
|
||
|
* @since 0.1.0
|
||
|
* @memberOf _
|
||
|
* @category Object
|
||
|
* @param {Object} object The object to query.
|
||
|
* @returns {Array} Returns the array of property values.
|
||
|
* @example
|
||
|
*
|
||
|
* function Foo() {
|
||
|
* this.a = 1;
|
||
|
* this.b = 2;
|
||
|
* }
|
||
|
*
|
||
|
* Foo.prototype.c = 3;
|
||
|
*
|
||
|
* _.values(new Foo);
|
||
|
* // => [1, 2] (iteration order is not guaranteed)
|
||
|
*
|
||
|
* _.values('hi');
|
||
|
* // => ['h', 'i']
|
||
|
*/
|
||
|
function values(object) {
|
||
|
return object ? baseValues(object, keys(object)) : [];
|
||
|
}
|
||
|
|
||
|
module.exports = toArray;
|