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107 lines
2.8 KiB
JavaScript
107 lines
2.8 KiB
JavaScript
/**
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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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var baseFilter = require('lodash._basefilter'),
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baseIteratee = require('lodash._baseiteratee');
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/**
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* A specialized version of `_.filter` for arrays without support for
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* iteratee 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} predicate The function invoked per iteration.
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* @returns {Array} Returns the new filtered array.
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*/
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function arrayFilter(array, predicate) {
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var index = -1,
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length = array.length,
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resIndex = 0,
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result = [];
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while (++index < length) {
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var value = array[index];
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if (predicate(value, index, array)) {
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result[resIndex++] = value;
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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 opposite of `_.filter`; this method returns the elements of `collection`
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* that `predicate` does **not** return truthy for.
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*
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* @static
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* @memberOf _
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* @since 0.1.0
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* @category Collection
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* @param {Array|Object} collection The collection to iterate over.
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* @param {Array|Function|Object|string} [predicate=_.identity]
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* The function invoked per iteration.
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* @returns {Array} Returns the new filtered array.
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* @see _.filter
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* @example
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*
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* var users = [
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* { 'user': 'barney', 'age': 36, 'active': false },
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* { 'user': 'fred', 'age': 40, 'active': true }
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* ];
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*
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* _.reject(users, function(o) { return !o.active; });
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* // => objects for ['fred']
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*
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* // The `_.matches` iteratee shorthand.
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* _.reject(users, { 'age': 40, 'active': true });
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* // => objects for ['barney']
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*
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* // The `_.matchesProperty` iteratee shorthand.
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* _.reject(users, ['active', false]);
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* // => objects for ['fred']
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*
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* // The `_.property` iteratee shorthand.
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* _.reject(users, 'active');
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* // => objects for ['barney']
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*/
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function reject(collection, predicate) {
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var func = isArray(collection) ? arrayFilter : baseFilter;
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predicate = baseIteratee(predicate, 3);
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return func(collection, function(value, index, collection) {
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return !predicate(value, index, collection);
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});
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}
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/**
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* Checks if `value` is classified as an `Array` object.
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*
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* @static
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* @memberOf _
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* @since 0.1.0
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* @type {Function}
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is correctly classified,
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* else `false`.
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* @example
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*
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* _.isArray([1, 2, 3]);
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* // => true
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*
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* _.isArray(document.body.children);
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* // => false
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*
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* _.isArray('abc');
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* // => false
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*
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* _.isArray(_.noop);
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* // => false
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*/
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var isArray = Array.isArray;
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module.exports = reject;
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