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33 lines
786 B
33 lines
786 B
'use strict'; |
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/** |
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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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* @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; |