20 lines
462 B
JavaScript
20 lines
462 B
JavaScript
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/**
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* Copyright (c) 2013-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @typechecks
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*/
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'use strict';
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var ExecutionEnvironment = require('./ExecutionEnvironment');
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var performance;
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if (ExecutionEnvironment.canUseDOM) {
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performance = window.performance || window.msPerformance || window.webkitPerformance;
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}
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module.exports = performance || {};
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