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