react-native-macos/Libraries/Core/setUpPerformanceObserver.js

React Native for macOS

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow strict-local
 * @format
 */

import {polyfillGlobal} from '../Utilities/PolyfillFunctions';

polyfillGlobal(
  'PerformanceObserver',
  () =>
    require('../../src/private/webapis/performance/PerformanceObserver')
      .default,
);