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50 lines
1.6 KiB
50 lines
1.6 KiB
var arrayFilter = require('../internal/arrayFilter'),
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baseCallback = require('../internal/baseCallback'),
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baseFilter = require('../internal/baseFilter'),
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isArray = require('../lang/isArray');
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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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* @category Collection
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* @param {Array|Object|string} collection The collection to iterate over.
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* @param {Function|Object|string} [predicate=_.identity] The function invoked
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* per iteration.
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* @param {*} [thisArg] The `this` binding of `predicate`.
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* @returns {Array} Returns the new filtered array.
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* @example
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*
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* _.reject([1, 2, 3, 4], function(n) {
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* return n % 2 == 0;
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* });
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* // => [1, 3]
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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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* // using the `_.matches` callback shorthand
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* _.pluck(_.reject(users, { 'age': 40, 'active': true }), 'user');
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* // => ['barney']
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*
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* // using the `_.matchesProperty` callback shorthand
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* _.pluck(_.reject(users, 'active', false), 'user');
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* // => ['fred']
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*
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* // using the `_.property` callback shorthand
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* _.pluck(_.reject(users, 'active'), 'user');
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* // => ['barney']
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*/
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function reject(collection, predicate, thisArg) {
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var func = isArray(collection) ? arrayFilter : baseFilter;
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predicate = baseCallback(predicate, thisArg, 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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module.exports = reject;
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