com.google.javascript.jscomp.js.util.objectcreate.js Maven / Gradle / Ivy
/*
* Copyright 2017 The Closure Compiler Authors.
*
* 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.
*/
/**
* @fileoverview Provides a partial internal polyfill for Object.create.
*/
'require util/defines';
/**
* Polyfill for Object.create() method:
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/create
*
* Does not implement the second argument.
* @param {!Object} prototype
* @return {!Object}
*/
$jscomp.objectCreate =
($jscomp.ASSUME_ES5 || typeof Object.create == 'function') ?
Object.create :
function(prototype) {
/** @constructor */
var ctor = function() {};
ctor.prototype = prototype;
return new ctor();
};