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where.js
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import filter from './filter';
import matches from '../utility/matches';
/**
* Performs a deep comparison between each element in `collection` and the
* source object, returning an array of all elements that have equivalent
* property values.
*
* @static
* @memberOf _
* @category Collection
* @param {Array|Object|string} collection The collection to search.
* @param {Object} source The object of property values to match.
* @returns {Array} Returns the new filtered array.
* @example
*
* var users = [
* { 'user': 'barney', 'age': 36, 'status': 'busy', 'pets': ['hoppy'] },
* { 'user': 'fred', 'age': 40, 'status': 'busy', 'pets': ['baby puss', 'dino'] }
* ];
*
* _.pluck(_.where(users, { 'age': 36 }), 'user');
* // => ['barney']
*
* _.pluck(_.where(users, { 'pets': ['dino'] }), 'user');
* // => ['fred']
*
* _.pluck(_.where(users, { 'status': 'busy' }), 'user');
* // => ['barney', 'fred']
*/
function where(collection, source) {
return filter(collection, matches(source));
}
export default where;