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merge.js
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merge.js
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/**
* Copyright 2013-2014 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule merge
*/
"use strict";
/**
* Shallow merges two structures into a return value, without mutating either.
*
* @param {?object} one Optional object with properties to merge from.
* @param {?object} two Optional object with properties to merge from.
* @return {object} The shallow extension of one by two.
*/
var merge = function(one, two) {
var result = {};
if (one != null) {
Object.assign(result, one);
}
if (two != null) {
Object.assign(result, two);
}
return result;
};
module.exports = merge;