mirror of
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88 lines
2.2 KiB
JavaScript
88 lines
2.2 KiB
JavaScript
/**
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* lodash 3.0.0 (Custom Build) <https://lodash.com/>
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* Build: `lodash modern modularize exports="npm" -o ./`
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* Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
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* Based on Underscore.js 1.7.0 <http://underscorejs.org/LICENSE>
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* Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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* Available under MIT license <https://lodash.com/license>
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*/
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var arrayCopy = require('lodash._arraycopy'),
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baseValues = require('lodash._basevalues'),
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keys = require('lodash.keys');
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/**
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* Used as the [maximum length](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-number.max_safe_integer)
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* of an array-like value.
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*/
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var MAX_SAFE_INTEGER = Math.pow(2, 53) - 1;
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/**
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* Checks if `value` is a valid array-like length.
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*
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* **Note:** This function is based on [`ToLength`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength).
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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 valid length, else `false`.
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*/
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function isLength(value) {
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return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
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}
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/**
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* Converts `value` to an array.
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*
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* @static
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* @memberOf _
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* @category Lang
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* @param {*} value The value to convert.
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* @returns {Array} Returns the converted array.
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* @example
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*
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* (function() {
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* return _.toArray(arguments).slice(1);
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* }(1, 2, 3));
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* // => [2, 3]
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*/
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function toArray(value) {
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var length = value ? value.length : 0;
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if (!isLength(length)) {
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return values(value);
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}
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if (!length) {
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return [];
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}
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return arrayCopy(value);
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}
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/**
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* Creates an array of the own enumerable property values of `object`.
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*
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* **Note:** Non-object values are coerced to objects.
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*
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* @static
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* @memberOf _
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* @category Object
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* @param {Object} object The object to query.
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* @returns {Array} Returns the array of property values.
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* @example
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*
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* function Foo() {
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* this.a = 1;
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* this.b = 2;
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* }
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*
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* Foo.prototype.c = 3;
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*
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* _.values(new Foo);
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* // => [1, 2] (iteration order is not guaranteed)
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*
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* _.values('hi');
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* // => ['h', 'i']
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*/
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function values(object) {
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return baseValues(object, keys(object));
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}
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module.exports = toArray;
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