ReactFresh-test.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 ReactDOM;
let ReactDOMClient;
let ReactFreshRuntime;
let Scheduler;
let act;
let createReactClass;
let waitFor;
let assertLog;

describe('ReactFresh', () => {
  let container;
  let root;

  beforeEach(() => {
    if (__DEV__) {
      jest.resetModules();
      React = require('react');
      ReactFreshRuntime = require('react-refresh/runtime');
      ReactFreshRuntime.injectIntoGlobalHook(global);
      ReactDOM = require('react-dom');
      ReactDOMClient = require('react-dom/client');
      Scheduler = require('scheduler');
      act = require('internal-test-utils').act;

      const InternalTestUtils = require('internal-test-utils');
      waitFor = InternalTestUtils.waitFor;
      assertLog = InternalTestUtils.assertLog;

      createReactClass = require('create-react-class/factory')(
        React.Component,
        React.isValidElement,
        new React.Component().updater,
      );
      container = document.createElement('div');
      root = ReactDOMClient.createRoot(container);
      document.body.appendChild(container);
    }
  });

  afterEach(() => {
    if (__DEV__) {
      delete global.__REACT_DEVTOOLS_GLOBAL_HOOK__;
      document.body.removeChild(container);
    }
  });

  function prepare(version) {
    const Component = version();
// ... (3776 more lines)