48 lines
965 B
JavaScript
48 lines
965 B
JavaScript
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/*!
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Copyright (c) 2015 Jed Watson.
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Based on code that is Copyright 2013-2015, Facebook, Inc.
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All rights reserved.
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*/
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/* global define */
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(function () {
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'use strict';
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var canUseDOM = !!(
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typeof window !== 'undefined' &&
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window.document &&
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window.document.createElement
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);
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var ExecutionEnvironment = {
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canUseDOM: canUseDOM,
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canUseWorkers: typeof Worker !== 'undefined',
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canUseEventListeners:
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canUseDOM && !!(window.addEventListener || window.attachEvent),
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canUseViewport: canUseDOM && !!window.screen
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};
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if (typeof define === 'function' && typeof define.amd === 'object' && define.amd) {
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define(function () {
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return ExecutionEnvironment;
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});
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} else if (typeof module !== 'undefined' && module.exports) {
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module.exports = ExecutionEnvironment;
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} else {
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window.ExecutionEnvironment = ExecutionEnvironment;
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}
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}());
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//////////////////
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// WEBPACK FOOTER
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// ./~/exenv/index.js
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// module id = 2072
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// module chunks = 4
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