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x/lodash/toArray.js

A modern JavaScript utility library delivering modularity, performance, & extras.
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define(['./_Symbol', './_copyArray', './_getTag', './isArrayLike', './isString', './_iteratorToArray', './_mapToArray', './_setToArray', './_stringToArray', './values'], function(Symbol, copyArray, getTag, isArrayLike, isString, iteratorToArray, mapToArray, setToArray, stringToArray, values) {
/** Used as a safe reference for `undefined` in pre-ES5 environments. */ var undefined;
/** `Object#toString` result references. */ var mapTag = '[object Map]', setTag = '[object Set]';
/** Built-in value references. */ var symIterator = Symbol ? Symbol.iterator : undefined;
/** * 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 (symIterator && value[symIterator]) { return iteratorToArray(value[symIterator]()); } var tag = getTag(value), func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);
return func(value); }
return toArray;});