ReactDOMImageLoad-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 Scheduler;
// let ReactCache;
let ReactDOM;
let ReactDOMClient;
// let Suspense;
let originalCreateElement;
// let TextResource;
// let textResourceShouldFail;
let originalHTMLImageElementSrcDescriptor;

let images = [];
let onLoadSpy = null;
let actualLoadSpy = null;

let waitForAll;
let waitFor;
let assertLog;

function PhaseMarkers({children}) {
  Scheduler.log('render start');
  React.useLayoutEffect(() => {
    Scheduler.log('last layout');
  });
  React.useEffect(() => {
    Scheduler.log('last passive');
  });
  return children;
}

function last(arr) {
  if (Array.isArray(arr)) {
    if (arr.length) {
      return arr[arr.length - 1];
    }
    return undefined;
  }
  throw new Error('last was passed something that was not an array');
}

function Text(props) {
  Scheduler.log(props.text);
  return props.text;
}

// function AsyncText(props) {
//   const text = props.text;
//   try {
//     TextResource.read([props.text, props.ms]);
// ... (604 more lines)