ChangeEventPlugin-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 Scheduler;
let act;
let waitForAll;
let waitForDiscrete;
let assertLog;

const setUntrackedChecked = Object.getOwnPropertyDescriptor(
  HTMLInputElement.prototype,
  'checked',
).set;

const setUntrackedValue = Object.getOwnPropertyDescriptor(
  HTMLInputElement.prototype,
  'value',
).set;

const setUntrackedTextareaValue = Object.getOwnPropertyDescriptor(
  HTMLTextAreaElement.prototype,
  'value',
).set;

describe('ChangeEventPlugin', () => {
  let container;

  beforeEach(() => {
    jest.resetModules();
    // TODO pull this into helper method, reduce repetition.
    // mock the browser APIs which are used in schedule:
    // - calling 'window.postMessage' should actually fire postmessage handlers
    const originalAddEventListener = global.addEventListener;
    let postMessageCallback;
    global.addEventListener = function (eventName, callback, useCapture) {
      if (eventName === 'message') {
        postMessageCallback = callback;
      } else {
        originalAddEventListener(eventName, callback, useCapture);
      }
    };
    global.postMessage = function (messageKey, targetOrigin) {
      const postMessageEvent = {source: window, data: messageKey};
      if (postMessageCallback) {
        postMessageCallback(postMessageEvent);
      }
    };
    React = require('react');
    ReactDOM = require('react-dom');
// ... (816 more lines)