33 lines
789 B
JavaScript
33 lines
789 B
JavaScript
/**
|
|
* Copyright (c) 2015-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 mergeFast
|
|
* @flow
|
|
*/
|
|
'use strict';
|
|
|
|
/**
|
|
* Faster version of `merge` that doesn't check its arguments and
|
|
* also merges prototype inherited properties.
|
|
*
|
|
* @param {object} one Any non-null object.
|
|
* @param {object} two Any non-null object.
|
|
* @return {object} Merging of two objects, including prototype
|
|
* inherited properties.
|
|
*/
|
|
var mergeFast = function(one: Object, two: Object): Object {
|
|
var ret = {};
|
|
for (var keyOne in one) {
|
|
ret[keyOne] = one[keyOne];
|
|
}
|
|
for (var keyTwo in two) {
|
|
ret[keyTwo] = two[keyTwo];
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
module.exports = mergeFast;
|