mirror of
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91 lines
3.0 KiB
JavaScript
91 lines
3.0 KiB
JavaScript
/**
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* lodash 3.4.0 (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 1.8.2 <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 baseEach = require('lodash._baseeach'),
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baseSortByOrder = require('lodash._basesortbyorder'),
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isIterateeCall = require('lodash._isiterateecall'),
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isArray = require('lodash.isarray');
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/**
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* Checks if `value` is object-like.
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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 object-like, else `false`.
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*/
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function isObjectLike(value) {
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return (value && typeof value == 'object') || false;
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}
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/**
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* Used as the maximum length of an array-like value.
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* See the [ES spec](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-number.max_safe_integer)
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* for more details.
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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 ES `ToLength`. See the
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* [ES spec](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength)
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* for more details.
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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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* This method is like `_.sortByAll` except that it allows specifying the
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* sort orders of the property names to sort by. A truthy value in `orders`
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* will sort the corresponding property name in ascending order while a
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* falsey value will sort it in descending order.
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*
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* @static
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* @memberOf _
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* @category Collection
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* @param {Array|Object|string} collection The collection to iterate over.
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* @param {string[]} props The property names to sort by.
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* @param {boolean[]} orders The sort orders of `props`.
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* @param- {Object} [guard] Enables use as a callback for functions like `_.reduce`.
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* @returns {Array} Returns the new sorted array.
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* @example
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*
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* var users = [
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* { 'user': 'barney', 'age': 26 },
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* { 'user': 'fred', 'age': 40 },
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* { 'user': 'barney', 'age': 36 },
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* { 'user': 'fred', 'age': 30 }
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* ];
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*
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* // sort by `user` in ascending order and by `age` in descending order
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* _.map(_.sortByOrder(users, ['user', 'age'], [true, false]), _.values);
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* // => [['barney', 36], ['barney', 26], ['fred', 40], ['fred', 30]]
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*/
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function sortByOrder(collection, props, orders, guard) {
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if (collection == null) {
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return [];
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}
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if (guard && isIterateeCall(props, orders, guard)) {
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orders = null;
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}
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if (!isArray(props)) {
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props = props == null ? [] : [props];
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}
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if (!isArray(orders)) {
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orders = orders == null ? [] : [orders];
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}
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return baseSortByOrder(collection, props, orders);
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}
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module.exports = sortByOrder;
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