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40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
/**
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* lodash 3.0.2 (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 baseProperty = require('lodash._baseproperty'),
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map = require('lodash.map');
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/**
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* Gets the value of `key` from all elements in `collection`.
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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} key The key of the property to pluck.
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* @returns {Array} Returns the property values.
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* @example
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*
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* var users = [
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* { 'user': 'barney', 'age': 36 },
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* { 'user': 'fred', 'age': 40 }
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* ];
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*
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* _.pluck(users, 'user');
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* // => ['barney', 'fred']
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*
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* var userIndex = _.indexBy(users, 'user');
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* _.pluck(userIndex, 'age');
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* // => [36, 40] (iteration order is not guaranteed)
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*/
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function pluck(collection, key) {
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return map(collection, baseProperty(key));
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}
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module.exports = pluck;
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