ReactBrowserEventEmitter-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 ReactDOMClient;
let act;

let idCallOrder;
const recordID = function (id) {
  idCallOrder.push(id);
};
const recordIDAndStopPropagation = function (id, event) {
  recordID(id);
  event.stopPropagation();
};
const recordIDAndReturnFalse = function (id, event) {
  recordID(id);
  return false;
};
const LISTENER = jest.fn();
const ON_CLICK_KEY = 'onClick';

let GRANDPARENT;
let PARENT;
let CHILD;
let BUTTON;

let renderTree;
let putListener;
let deleteAllListeners;

let container;

// This test is written in a bizarre way because it was previously using internals.
// It should probably be rewritten but we're keeping it for some extra coverage.
describe('ReactBrowserEventEmitter', () => {
  beforeEach(() => {
    jest.resetModules();
    LISTENER.mockClear();

    React = require('react');
    ReactDOMClient = require('react-dom/client');
    act = require('internal-test-utils').act;
    container = document.createElement('div');
    document.body.appendChild(container);

    let GRANDPARENT_PROPS = {};
    let PARENT_PROPS = {};
    let CHILD_PROPS = {};
    let BUTTON_PROPS = {};

    function Child(props) {
// ... (299 more lines)