mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Ruslan Shestopalyuk
059184e7ce
Summary: Pull Request resolved: https://github.com/facebook/react-native/pull/35901 [Changelog][Internal] Partially reverts the change that was redirecting `performance` instance to the new implementation in WebPerformance, until the actual implementation becomes public and native modules are included by default. Reviewed By: rubennorte Differential Revision: D42607379 fbshipit-source-id: c1ce995d20b9dfe7aef8436cea00d89b81e32932
25 lines
623 B
JavaScript
25 lines
623 B
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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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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* @flow strict
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* @format
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*/
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if (!global.performance) {
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global.performance = ({}: {now?: () => number});
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}
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/**
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* Returns a double, measured in milliseconds.
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* https://developer.mozilla.org/en-US/docs/Web/API/Performance/now
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*/
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if (typeof global.performance.now !== 'function') {
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global.performance.now = function () {
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const performanceNow = global.nativePerformanceNow || Date.now;
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return performanceNow();
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};
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}
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