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34 lines
1.0 KiB
JavaScript
34 lines
1.0 KiB
JavaScript
/**
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* lodash 4.0.0 (Custom Build) <https://lodash.com/>
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* Build: `lodash modularize exports="npm" -o ./`
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* Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
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* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
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* Copyright 2009-2016 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 sampleSize = require('lodash.samplesize');
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/** Used as references for the maximum length and index of an array. */
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var MAX_ARRAY_LENGTH = 4294967295;
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/**
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* Creates an array of shuffled values, using a version of the
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* [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).
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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 shuffle.
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* @returns {Array} Returns the new shuffled array.
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* @example
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*
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* _.shuffle([1, 2, 3, 4]);
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* // => [4, 1, 3, 2]
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*/
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function shuffle(collection) {
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return sampleSize(collection, MAX_ARRAY_LENGTH);
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}
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module.exports = shuffle;
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