35 lines
753 B
JavaScript
35 lines
753 B
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*
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* @format
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*/
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// flowlint ambiguous-object-type:error
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'use strict';
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/**
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* Partitions an array given a predicate. All elements satisfying the predicate
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* are part of the first returned array, and all elements that don't are in the
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* second.
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*/
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function partitionArray(array, predicate) {
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var first = [];
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var second = [];
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for (var i = 0; i < array.length; i++) {
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var item = array[i];
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if (predicate(item)) {
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first.push(item);
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} else {
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second.push(item);
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}
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}
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return [first, second];
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}
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module.exports = partitionArray; |