ReactUse-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 ReactNoop;
let Scheduler;
let act;
let use;
let useDebugValue;
let useState;
let useTransition;
let useMemo;
let useEffect;
let Suspense;
let startTransition;
let pendingTextRequests;
let waitFor;
let waitForPaint;
let assertLog;
let waitForAll;
let waitForMicrotasks;
let assertConsoleErrorDev;

describe('ReactUse', () => {
  beforeEach(() => {
    jest.resetModules();

    React = require('react');
    ReactNoop = require('react-noop-renderer');
    Scheduler = require('scheduler');
    act = require('internal-test-utils').act;
    use = React.use;
    useDebugValue = React.useDebugValue;
    useState = React.useState;
    useTransition = React.useTransition;
    useMemo = React.useMemo;
    useEffect = React.useEffect;
    Suspense = React.Suspense;
    startTransition = React.startTransition;

    const InternalTestUtils = require('internal-test-utils');
    waitForAll = InternalTestUtils.waitForAll;
    assertLog = InternalTestUtils.assertLog;
    waitForPaint = InternalTestUtils.waitForPaint;
    waitFor = InternalTestUtils.waitFor;
    waitForMicrotasks = InternalTestUtils.waitForMicrotasks;
    assertConsoleErrorDev = InternalTestUtils.assertConsoleErrorDev;

    pendingTextRequests = new Map();
  });

  function resolveTextRequests(text) {
// ... (2133 more lines)