28 lines
470 B
JavaScript
28 lines
470 B
JavaScript
/*!
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* arr-flatten <https://github.com/jonschlinkert/arr-flatten>
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*
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* Copyright (c) 2014-2015, 2017, Jon Schlinkert.
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* Released under the MIT License.
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*/
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'use strict';
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module.exports = function flatten(arr) {
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return flat(arr, []);
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};
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function flat(arr, acc) {
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var len = arr.length;
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var idx = -1;
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while (++idx < len) {
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var cur = arr[idx];
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if (Array.isArray(cur)) {
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flat(cur, acc);
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} else {
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acc.push(cur);
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}
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}
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return acc;
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}
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