32 lines
805 B
Plaintext
32 lines
805 B
Plaintext
/**
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* Copyright (c) 2013-present, Facebook, Inc.
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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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* @providesModule concatAllArray
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* @typechecks
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*/
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var push = Array.prototype.push;
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/**
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* Concats an array of arrays into a single flat array.
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*
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* @param {array} array
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* @return {array}
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*/
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function concatAllArray(array) {
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var ret = [];
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for (var ii = 0; ii < array.length; ii++) {
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var value = array[ii];
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if (Array.isArray(value)) {
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push.apply(ret, value);
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} else if (value != null) {
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throw new TypeError('concatAllArray: All items in the array must be an array or null, ' + 'got "' + value + '" at index "' + ii + '" instead');
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}
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}
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return ret;
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}
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module.exports = concatAllArray; |