/** * @license Apache-2.0 * * Copyright (c) 2018 The Stdlib 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. */ /* eslint-disable no-new-func */ 'use strict'; // VARIABLES // var scope; // FUNCTIONS // /** * Test if the global scope is bound to the "window" variable present in browser environments. When creating a new function using the `Function(){}` constructor, the execution scope aliased by the `this` variable is the global scope. * * @private * @returns {boolean} boolean indicating if global scope is bound to "window" variable */ function globalScope() { var fcn = ''; fcn += 'try {'; fcn += 'return this === window;'; fcn += '} catch ( err ) {'; fcn += 'return false;'; fcn += '}'; return (new Function( fcn ))(); } // MAIN // scope = globalScope(); // EXPORTS // module.exports = scope;