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30 lines
853 B
JavaScript
30 lines
853 B
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 baseFlatten = require('lodash._baseflatten');
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/**
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* Flattens `array` a single level.
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*
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* @static
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* @memberOf _
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* @category Array
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* @param {Array} array The array to flatten.
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* @returns {Array} Returns the new flattened array.
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* @example
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*
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* _.flatten([1, [2, 3, [4]]]);
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* // => [1, 2, 3, [4]]
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*/
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function flatten(array) {
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var length = array ? array.length : 0;
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return length ? baseFlatten(array) : [];
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}
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module.exports = flatten;
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