ReactUpdaters-test.internal.js — react Source File

Source Code

/**
 * 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.
 *
 * @emails react-core
 */

'use strict';

let React;
let ReactFeatureFlags;
let ReactDOM;
let ReactDOMClient;
let Scheduler;
let mockDevToolsHook;
let allSchedulerTags;
let allSchedulerTypes;
let onCommitRootShouldYield;
let act;
let waitFor;
let waitForAll;
let assertLog;

describe('updaters', () => {
  beforeEach(() => {
    jest.resetModules();

    allSchedulerTags = [];
    allSchedulerTypes = [];

    onCommitRootShouldYield = true;

    ReactFeatureFlags = require('shared/ReactFeatureFlags');
    ReactFeatureFlags.enableUpdaterTracking = true;

    mockDevToolsHook = {
      injectInternals: jest.fn(() => {}),
      isDevToolsPresent: true,
      onCommitRoot: jest.fn(fiberRoot => {
        if (onCommitRootShouldYield) {
          Scheduler.log('onCommitRoot');
        }
        const schedulerTags = [];
        const schedulerTypes = [];
        fiberRoot.memoizedUpdaters.forEach(fiber => {
          schedulerTags.push(fiber.tag);
          schedulerTypes.push(fiber.elementType);
        });
        allSchedulerTags.push(schedulerTags);
        allSchedulerTypes.push(schedulerTypes);
      }),
      onCommitUnmount: jest.fn(() => {}),
      onPostCommitRoot: jest.fn(() => {}),
      onScheduleRoot: jest.fn(() => {}),

      // Profiling APIs
      markCommitStarted: jest.fn(() => {}),
      markCommitStopped: jest.fn(() => {}),
// ... (414 more lines)