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• .. (вверх)
• [DIR] ..
• [FILE] setUpDOM.js
• [FILE] setUpDefaultReactNativeEnvironment.js
• [FILE] setUpIntersectionObserver.js
• [FILE] setUpMutationObserver.js
• [FILE] setUpPerformanceObserver.js

Просмотр файла: setUpPerformanceObserver.js

/**
 * 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 '../../../Libraries/Utilities/PolyfillFunctions';

let initialized = false;

export default function setUpPerformanceObserver() {
  if (initialized) {
    return;
  }

  initialized = true;

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

  polyfillGlobal(
    'PerformanceObserverEntryList',
    () =>
      require('../webapis/performance/PerformanceObserver')
        .PerformanceObserverEntryList,
  );

  polyfillGlobal(
    'PerformanceEntry',
    () => require('../webapis/performance/PerformanceEntry').PerformanceEntry,
  );

  polyfillGlobal(
    'PerformanceMark',
    () => require('../webapis/performance/UserTiming').PerformanceMark,
  );

  polyfillGlobal(
    'PerformanceMeasure',
    () => require('../webapis/performance/UserTiming').PerformanceMeasure,
  );

  polyfillGlobal(
    'PerformanceEventTiming',
    () => require('../webapis/performance/EventTiming').PerformanceEventTiming,
  );

  polyfillGlobal(
    'PerformanceResourceTiming',
    () =>
      require('../webapis/performance/ResourceTiming')
        .PerformanceResourceTiming,
  );

  polyfillGlobal(
    'TaskAttributionTiming',
    () => require('../webapis/performance/LongTasks').TaskAttributionTiming,
  );

  polyfillGlobal(
    'PerformanceLongTaskTiming',
    () => require('../webapis/performance/LongTasks').PerformanceLongTaskTiming,
  );
}

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