ReactWrongReturnPointer-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
 */

let React;
let ReactNoop;
let Scheduler;
let act;
let Suspense;
let SuspenseList;
let getCacheForType;
let caches;
let seededCache;
let assertLog;

beforeEach(() => {
  React = require('react');
  ReactNoop = require('react-noop-renderer');
  Scheduler = require('scheduler');
  act = require('internal-test-utils').act;

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

  Suspense = React.Suspense;
  if (gate(flags => flags.enableSuspenseList)) {
    SuspenseList = React.unstable_SuspenseList;
  }

  getCacheForType = React.unstable_getCacheForType;

  caches = [];
  seededCache = null;
});

function createTextCache() {
  if (seededCache !== null) {
    // Trick to seed a cache before it exists.
    // TODO: Need a built-in API to seed data before the initial render (i.e.
    // not a refresh because nothing has mounted yet).
    const cache = seededCache;
    seededCache = null;
    return cache;
  }

  const data = new Map();
  const version = caches.length + 1;
  const cache = {
    version,
    data,
    resolve(text) {
      const record = data.get(text);
      if (record === undefined) {
        const newRecord = {
          status: 'resolved',
// ... (158 more lines)