Move internalAct to internal-test-utils package (#26344)

This is not a public API. We only use it for our internal tests, the
ones in this repo. Let's move it to this private package. Practically
speaking this will also let us use async/await in the implementation.

packages/internal-test-utils/ReactInternalTestUtils.js

@@ -5,13 +5,13 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-// TODO: Move `internalAct` and other test helpers to this package, too
-
 import * as SchedulerMock from 'scheduler/unstable_mock';
 import {diff} from 'jest-diff';
 import {equals} from '@jest/expect-utils';
 import enqueueTask from './enqueueTask';
 
+export {act} from './internalAct';
+
 function assertYieldsWereCleared(Scheduler) {
   const actualYields = Scheduler.unstable_clearLog();
   if (actualYields.length !== 0) {

packages/internal-test-utils/__tests__/ReactInternalTestUtils-test.js

@@ -20,7 +20,7 @@ const {
   waitForThrow,
   assertLog,
 } = require('internal-test-utils');
-const act = require('jest-react').act;
+const act = require('internal-test-utils').act;
 const Scheduler = require('scheduler/unstable_mock');
 
 describe('ReactInternalTestUtils', () => {

packages/internal-test-utils/internalAct.js

@@ -18,7 +18,7 @@ import type {Thenable} from 'shared/ReactTypes';
 
 import * as Scheduler from 'scheduler/unstable_mock';
 
-import enqueueTask from 'shared/enqueueTask';
+import enqueueTask from './enqueueTask';
 
 let actingUpdatesScopeDepth = 0;
 
@@ -40,32 +40,29 @@ export function act<T>(scope: () => Thenable<T>): Thenable<T> {
   const previousIsActEnvironment = global.IS_REACT_ACT_ENVIRONMENT;
   const previousActingUpdatesScopeDepth = actingUpdatesScopeDepth;
   actingUpdatesScopeDepth++;
-  if (__DEV__ && actingUpdatesScopeDepth === 1) {
+  if (actingUpdatesScopeDepth === 1) {
     // Because this is not the "real" `act`, we set this to `false` so React
     // knows not to fire `act` warnings.
     global.IS_REACT_ACT_ENVIRONMENT = false;
   }
 
   const unwind = () => {
-    if (__DEV__ && actingUpdatesScopeDepth === 1) {
+    if (actingUpdatesScopeDepth === 1) {
       global.IS_REACT_ACT_ENVIRONMENT = previousIsActEnvironment;
     }
     actingUpdatesScopeDepth--;
 
-    if (__DEV__) {
-      if (actingUpdatesScopeDepth > previousActingUpdatesScopeDepth) {
-        // if it's _less than_ previousActingUpdatesScopeDepth, then we can
-        // assume the 'other' one has warned
-        console.error(
-          'You seem to have overlapping act() calls, this is not supported. ' +
-            'Be sure to await previous act() calls before making a new one. ',
-        );
-      }
+    if (actingUpdatesScopeDepth > previousActingUpdatesScopeDepth) {
+      // if it's _less than_ previousActingUpdatesScopeDepth, then we can
+      // assume the 'other' one has warned
+      throw new Error(
+        'You seem to have overlapping act() calls, this is not supported. ' +
+          'Be sure to await previous act() calls before making a new one. ',
+      );
     }
   };
 
-  // TODO: This would be way simpler if we could use async/await. Move this
-  // function to the internal-test-utils package.
+  // TODO: This would be way simpler if we used async/await.
   try {
     const result = scope();
     if (

packages/jest-react/src/JestReact.js

@@ -9,8 +9,6 @@ import {REACT_ELEMENT_TYPE, REACT_FRAGMENT_TYPE} from 'shared/ReactSymbols';
 
 import isArray from 'shared/isArray';
 
-export {act} from './internalAct';
-
 function captureAssertion(fn) {
   // Trick to use a Jest matcher inside another Jest matcher. `fn` contains an
   // assertion; if it throws, we capture the error and return it, so the stack

packages/react-client/src/__tests__/ReactFlight-test.js

@@ -32,7 +32,7 @@ describe('ReactFlight', () => {
     ReactNoop = require('react-noop-renderer');
     ReactNoopFlightServer = require('react-noop-renderer/flight-server');
     ReactNoopFlightClient = require('react-noop-renderer/flight-client');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Scheduler = require('scheduler');
     const InternalTestUtils = require('internal-test-utils');
     assertLog = InternalTestUtils.assertLog;
@@ -1184,7 +1184,7 @@ describe('ReactFlight', () => {
       ReactNoop = require('react-noop-renderer');
       ReactNoopFlightServer = require('react-noop-renderer/flight-server');
       ReactNoopFlightClient = require('react-noop-renderer/flight-client');
-      act = require('jest-react').act;
+      act = require('internal-test-utils').act;
       Scheduler = require('scheduler');
 
       await act(async () => {

packages/react-debug-tools/src/__tests__/ReactHooksInspectionIntegration-test.js

@@ -22,7 +22,7 @@ describe('ReactHooksInspectionIntegration', () => {
     React = require('react');
     ReactTestRenderer = require('react-test-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     ReactDebugTools = require('react-debug-tools');
   });
 

packages/react-devtools-shared/src/__tests__/inspectedElement-test.js

@@ -55,9 +55,9 @@ describe('InspectedElement', () => {
     ReactDOM = require('react-dom');
     ReactDOMClient = require('react-dom/client');
     PropTypes = require('prop-types');
-    TestUtilsAct = require('jest-react').act;
+    TestUtilsAct = require('internal-test-utils').act;
     TestRenderer = utils.requireTestRenderer();
-    TestRendererAct = require('jest-react').act;
+    TestRendererAct = require('internal-test-utils').act;
 
     BridgeContext =
       require('react-devtools-shared/src/devtools/views/context').BridgeContext;

packages/react-devtools-shared/src/__tests__/storeComponentFilters-test.js

@@ -34,7 +34,7 @@ describe('Store component filters', () => {
     React = require('react');
     Types = require('react-devtools-shared/src/types');
     utils = require('./utils');
-    internalAct = require('jest-react').act;
+    internalAct = require('internal-test-utils').act;
 
     legacyRender = utils.legacyRender;
   });

packages/react-dom/src/__tests__/ReactDOMConsoleErrorReporting-test.js

@@ -21,7 +21,7 @@ describe('ReactDOMConsoleErrorReporting', () => {
 
   beforeEach(() => {
     jest.resetModules();
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     React = require('react');
     ReactDOM = require('react-dom');
     ReactDOMClient = require('react-dom/client');

packages/react-dom/src/__tests__/ReactDOMFiberAsync-test.js

@@ -31,7 +31,7 @@ describe('ReactDOMFiberAsync', () => {
     React = require('react');
     ReactDOM = require('react-dom');
     ReactDOMClient = require('react-dom/client');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Scheduler = require('scheduler');
 
     const InternalTestUtils = require('internal-test-utils');

packages/react-dom/src/__tests__/ReactDOMFizzShellHydration-test.js

@@ -32,7 +32,7 @@ describe('ReactDOMFizzShellHydration', () => {
     React = require('react');
     ReactDOMClient = require('react-dom/client');
     Scheduler = require('scheduler');
-    clientAct = require('jest-react').act;
+    clientAct = require('internal-test-utils').act;
     ReactDOMFizzServer = require('react-dom/server');
     Stream = require('stream');
 

packages/react-dom/src/__tests__/ReactDOMHooks-test.js

@@ -25,7 +25,7 @@ describe('ReactDOMHooks', () => {
     ReactDOM = require('react-dom');
     ReactDOMClient = require('react-dom/client');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     container = document.createElement('div');
     document.body.appendChild(container);

packages/react-dom/src/__tests__/ReactDOMNativeEventHeuristic-test.js

@@ -28,7 +28,7 @@ describe('ReactDOMNativeEventHeuristic-test', () => {
     ReactDOM = require('react-dom');
     ReactDOMClient = require('react-dom/client');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     const InternalTestUtils = require('internal-test-utils');
     assertLog = InternalTestUtils.assertLog;

packages/react-dom/src/__tests__/ReactDOMNestedEvents-test.js

@@ -22,7 +22,7 @@ describe('ReactDOMNestedEvents', () => {
     React = require('react');
     ReactDOMClient = require('react-dom/client');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     useState = React.useState;
 
     const InternalTestUtils = require('internal-test-utils');

packages/react-dom/src/__tests__/ReactDOMRoot-test.js

@@ -30,7 +30,7 @@ describe('ReactDOMRoot', () => {
     ReactDOMClient = require('react-dom/client');
     ReactDOMServer = require('react-dom/server');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     useEffect = React.useEffect;
 
     const InternalTestUtils = require('internal-test-utils');

packages/react-dom/src/__tests__/ReactDOMSafariMicrotaskBug-test.js

@@ -39,7 +39,7 @@ describe('ReactDOMSafariMicrotaskBug-test', () => {
     container = document.createElement('div');
     React = require('react');
     ReactDOMClient = require('react-dom/client');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     document.body.appendChild(container);
   });

packages/react-dom/src/__tests__/ReactDOMServerPartialHydration-test.internal.js

@@ -108,7 +108,7 @@ describe('ReactDOMServerPartialHydration', () => {
     React = require('react');
     ReactDOM = require('react-dom');
     ReactDOMClient = require('react-dom/client');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     ReactDOMServer = require('react-dom/server');
     Scheduler = require('scheduler');
     Suspense = React.Suspense;

packages/react-dom/src/__tests__/ReactDOMServerSelectiveHydration-test.internal.js

@@ -137,7 +137,7 @@ describe('ReactDOMServerSelectiveHydration', () => {
     ReactDOM = require('react-dom');
     ReactDOMClient = require('react-dom/client');
     ReactDOMServer = require('react-dom/server');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Scheduler = require('scheduler');
     Suspense = React.Suspense;
 

packages/react-dom/src/__tests__/ReactDOMServerSuspense-test.internal.js

@@ -28,7 +28,7 @@ function initModules() {
   ReactDOMClient = require('react-dom/client');
   ReactDOMServer = require('react-dom/server');
   ReactTestUtils = require('react-dom/test-utils');
-  act = require('jest-react').act;
+  act = require('internal-test-utils').act;
   if (gate(flags => flags.enableSuspenseList)) {
     SuspenseList = React.SuspenseList;
   }

packages/react-dom/src/__tests__/ReactDOMSuspensePlaceholder-test.js

@@ -26,7 +26,7 @@ describe('ReactDOMSuspensePlaceholder', () => {
     ReactDOM = require('react-dom');
     ReactCache = require('react-cache');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Suspense = React.Suspense;
     container = document.createElement('div');
     document.body.appendChild(container);

packages/react-dom/src/__tests__/ReactDOMUseId-test.js

@@ -31,7 +31,7 @@ describe('useId', () => {
     JSDOM = require('jsdom').JSDOM;
     React = require('react');
     ReactDOMClient = require('react-dom/client');
-    clientAct = require('jest-react').act;
+    clientAct = require('internal-test-utils').act;
     ReactDOMFizzServer = require('react-dom/server');
     Stream = require('stream');
     Suspense = React.Suspense;

packages/react-dom/src/__tests__/ReactErrorBoundaries-test.internal.js

@@ -46,7 +46,7 @@ describe('ReactErrorBoundaries', () => {
     ReactFeatureFlags.skipUnmountedBoundaries = true;
     ReactDOM = require('react-dom');
     React = require('react');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Scheduler = require('scheduler');
 
     const InternalTestUtils = require('internal-test-utils');

packages/react-dom/src/__tests__/ReactUpdates-test.js

@@ -26,7 +26,7 @@ describe('ReactUpdates', () => {
     ReactDOM = require('react-dom');
     ReactDOMClient = require('react-dom/client');
     ReactTestUtils = require('react-dom/test-utils');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Scheduler = require('scheduler');
 
     const InternalTestUtils = require('internal-test-utils');

packages/react-dom/src/__tests__/ReactWrongReturnPointer-test.js

@@ -22,7 +22,7 @@ beforeEach(() => {
   React = require('react');
   ReactNoop = require('react-noop-renderer');
   Scheduler = require('scheduler');
-  act = require('jest-react').act;
+  act = require('internal-test-utils').act;
 
   const InternalTestUtils = require('internal-test-utils');
   assertLog = InternalTestUtils.assertLog;

packages/react-dom/src/__tests__/utils/ReactDOMServerIntegrationTestUtils.js

@@ -19,7 +19,7 @@ module.exports = function (initModules) {
 
   function resetModules() {
     ({ReactDOM, ReactDOMServer} = initModules());
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
   }
 
   function shouldUseDocument(reactElement) {

packages/react-dom/src/events/__tests__/DOMPluginEventSystem-test.internal.js

@@ -80,7 +80,7 @@ describe('DOMPluginEventSystem', () => {
           ReactDOMClient = require('react-dom/client');
           Scheduler = require('scheduler');
           ReactDOMServer = require('react-dom/server');
-          act = require('jest-react').act;
+          act = require('internal-test-utils').act;
 
           const InternalTestUtils = require('internal-test-utils');
           waitForAll = InternalTestUtils.waitForAll;
@@ -1279,7 +1279,7 @@ describe('DOMPluginEventSystem', () => {
             ReactDOMClient = require('react-dom/client');
             Scheduler = require('scheduler');
             ReactDOMServer = require('react-dom/server');
-            act = require('jest-react').act;
+            act = require('internal-test-utils').act;
 
             const InternalTestUtils = require('internal-test-utils');
             waitForAll = InternalTestUtils.waitForAll;

packages/react-dom/src/events/plugins/__tests__/ChangeEventPlugin-test.js

@@ -60,7 +60,7 @@ describe('ChangeEventPlugin', () => {
     React = require('react');
     ReactDOM = require('react-dom');
     ReactDOMClient = require('react-dom/client');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Scheduler = require('scheduler');
 
     const InternalTestUtils = require('internal-test-utils');

packages/react-dom/src/events/plugins/__tests__/SimpleEventPlugin-test.js

@@ -250,7 +250,7 @@ describe('SimpleEventPlugin', function () {
       assertLog = InternalTestUtils.assertLog;
       waitForAll = InternalTestUtils.waitForAll;
 
-      act = require('jest-react').act;
+      act = require('internal-test-utils').act;
     });
 
     it('flushes pending interactive work before exiting event handler', async () => {

packages/react-interactions/events/src/dom/create-event-handle/__tests__/useFocusWithin-test.internal.js

@@ -29,7 +29,7 @@ function initializeModules(hasPointerEvents) {
   ReactDOM = require('react-dom');
   ReactDOMClient = require('react-dom/client');
   Scheduler = require('scheduler');
-  act = require('jest-react').act;
+  act = require('internal-test-utils').act;
 
   // TODO: This import throws outside of experimental mode. Figure out better
   // strategy for gated imports.

packages/react-native-renderer/src/__tests__/ReactFabric-test.internal.js

@@ -41,7 +41,7 @@ describe('ReactFabric', () => {
       require('react-native/Libraries/ReactPrivate/ReactNativePrivateInterface')
         .ReactNativeViewConfigRegistry.register;
 
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
   });
 
   it('should be able to create and render a native component', async () => {

packages/react-native-renderer/src/__tests__/ReactFabricHostComponent-test.internal.js

@@ -35,7 +35,7 @@ async function mockRenderKeys(keyLists) {
   const createReactNativeComponentClass =
     require('react-native/Libraries/ReactPrivate/ReactNativePrivateInterface')
       .ReactNativeViewConfigRegistry.register;
-  const {act} = require('jest-react');
+  const act = require('internal-test-utils').act;
 
   const mockContainerTag = 11;
   const MockView = createReactNativeComponentClass('RCTMockView', () => ({

packages/react-reconciler/src/__tests__/ReactCPUSuspense-test.js

@@ -20,7 +20,7 @@ describe('ReactSuspenseWithNoopRenderer', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Suspense = React.Suspense;
     useState = React.useState;
 

packages/react-reconciler/src/__tests__/ReactCache-test.js

@@ -24,7 +24,7 @@ describe('ReactCache', () => {
     ReactNoop = require('react-noop-renderer');
     Cache = React.unstable_Cache;
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Suspense = React.Suspense;
     cache = React.cache;
     Offscreen = React.unstable_Offscreen;

packages/react-reconciler/src/__tests__/ReactClassSetStateCallback-test.js

@@ -11,7 +11,7 @@ describe('ReactClassSetStateCallback', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     const InternalTestUtils = require('internal-test-utils');
     assertLog = InternalTestUtils.assertLog;

packages/react-reconciler/src/__tests__/ReactConcurrentErrorRecovery-test.js

@@ -17,7 +17,7 @@ describe('ReactConcurrentErrorRecovery', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Suspense = React.Suspense;
     startTransition = React.startTransition;
 

packages/react-reconciler/src/__tests__/ReactContextPropagation-test.js

@@ -18,7 +18,7 @@ describe('ReactLazyContextPropagation', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     useState = React.useState;
     useContext = React.useContext;
     Suspense = React.Suspense;

packages/react-reconciler/src/__tests__/ReactDeferredValue-test.js

@@ -25,7 +25,7 @@ describe('ReactDeferredValue', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     startTransition = React.startTransition;
     useDeferredValue = React.useDeferredValue;
     useMemo = React.useMemo;

packages/react-reconciler/src/__tests__/ReactEffectOrdering-test.js

@@ -28,7 +28,7 @@ describe('ReactEffectOrdering', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     useEffect = React.useEffect;
     useLayoutEffect = React.useLayoutEffect;
 

packages/react-reconciler/src/__tests__/ReactExpiration-test.js

@@ -29,7 +29,7 @@ describe('ReactExpiration', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     startTransition = React.startTransition;
     useState = React.useState;
     useEffect = React.useEffect;

packages/react-reconciler/src/__tests__/ReactFlushSync-test.js

@@ -17,7 +17,7 @@ describe('ReactFlushSync', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     useState = React.useState;
     useEffect = React.useEffect;
     startTransition = React.startTransition;

packages/react-reconciler/src/__tests__/ReactHooks-test.internal.js

@@ -32,7 +32,7 @@ describe('ReactHooks', () => {
     ReactTestRenderer = require('react-test-renderer');
     Scheduler = require('scheduler');
     ReactDOMServer = require('react-dom/server');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     const InternalTestUtils = require('internal-test-utils');
     assertLog = InternalTestUtils.assertLog;

packages/react-reconciler/src/__tests__/ReactHooksWithNoopRenderer-test.js

@@ -49,7 +49,7 @@ describe('ReactHooksWithNoopRenderer', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     useState = React.useState;
     useReducer = React.useReducer;
     useEffect = React.useEffect;

packages/react-reconciler/src/__tests__/ReactIncrementalErrorHandling-test.internal.js

@@ -30,7 +30,7 @@ describe('ReactIncrementalErrorHandling', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     const InternalTestUtils = require('internal-test-utils');
     assertLog = InternalTestUtils.assertLog;

packages/react-reconciler/src/__tests__/ReactIncrementalScheduling-test.js

@@ -26,7 +26,7 @@ describe('ReactIncrementalScheduling', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     const InternalTestUtils = require('internal-test-utils');
     waitForAll = InternalTestUtils.waitForAll;

packages/react-reconciler/src/__tests__/ReactIncrementalUpdates-test.js

@@ -26,7 +26,7 @@ describe('ReactIncrementalUpdates', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     ContinuousEventPriority =
       require('react-reconciler/constants').ContinuousEventPriority;
 

packages/react-reconciler/src/__tests__/ReactInterleavedUpdates-test.js

@@ -16,7 +16,7 @@ describe('ReactInterleavedUpdates', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     startTransition = React.startTransition;
     useState = React.useState;
     useEffect = React.useEffect;

packages/react-reconciler/src/__tests__/ReactMemo-test.js

@@ -29,7 +29,7 @@ describe('memo', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     ({Suspense} = React);
 
     const InternalTestUtils = require('internal-test-utils');

packages/react-reconciler/src/__tests__/ReactNoopRendererAct-test.js

@@ -12,7 +12,7 @@
 const React = require('react');
 const ReactNoop = require('react-noop-renderer');
 const Scheduler = require('scheduler');
-const act = require('jest-react').act;
+const act = require('internal-test-utils').act;
 const {assertLog, waitForAll} = require('internal-test-utils');
 
 // TODO: These tests are no longer specific to the noop renderer

packages/react-reconciler/src/__tests__/ReactOffscreen-test.js

@@ -21,7 +21,7 @@ describe('ReactOffscreen', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     LegacyHidden = React.unstable_LegacyHidden;
     Offscreen = React.unstable_Offscreen;
     useState = React.useState;

packages/react-reconciler/src/__tests__/ReactOffscreenStrictMode-test.js

@@ -12,7 +12,7 @@ describe('ReactOffscreenStrictMode', () => {
     React = require('react');
     Offscreen = React.unstable_Offscreen;
     ReactNoop = require('react-noop-renderer');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
   });
 
   function Component({label}) {

packages/react-reconciler/src/__tests__/ReactOffscreenSuspense-test.js

@@ -19,7 +19,7 @@ describe('ReactOffscreen', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     LegacyHidden = React.unstable_LegacyHidden;
     Offscreen = React.unstable_Offscreen;
     Suspense = React.Suspense;

packages/react-reconciler/src/__tests__/ReactSchedulerIntegration-test.js

@@ -30,7 +30,7 @@ describe('ReactSchedulerIntegration', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     NormalPriority = Scheduler.unstable_NormalPriority;
     IdlePriority = Scheduler.unstable_IdlePriority;
     runWithPriority = Scheduler.unstable_runWithPriority;

packages/react-reconciler/src/__tests__/ReactSubtreeFlagsWarning-test.js

@@ -17,7 +17,7 @@ describe('ReactSuspenseWithNoopRenderer', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Suspense = React.Suspense;
     useEffect = React.useEffect;
 

packages/react-reconciler/src/__tests__/ReactSuspense-test.internal.js

@@ -19,7 +19,7 @@ describe('ReactSuspense', () => {
     ReactFeatureFlags.replayFailedUnitOfWorkWithInvokeGuardedCallback = false;
     React = require('react');
     ReactTestRenderer = require('react-test-renderer');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Scheduler = require('scheduler');
 
     Suspense = React.Suspense;

packages/react-reconciler/src/__tests__/ReactSuspenseEffectsSemantics-test.js

@@ -29,7 +29,7 @@ describe('ReactSuspenseEffectsSemantics', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Suspense = React.Suspense;
 
     getCacheForType = React.unstable_getCacheForType;

packages/react-reconciler/src/__tests__/ReactSuspenseEffectsSemanticsDOM-test.js

@@ -27,7 +27,7 @@ describe('ReactSuspenseEffectsSemanticsDOM', () => {
     ReactDOM = require('react-dom');
     ReactDOMClient = require('react-dom/client');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     const InternalTestUtils = require('internal-test-utils');
     waitForAll = InternalTestUtils.waitForAll;

packages/react-reconciler/src/__tests__/ReactSuspenseFuzz-test.internal.js

@@ -28,7 +28,7 @@ describe('ReactSuspenseFuzz', () => {
     Suspense = React.Suspense;
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Random = require('random-seed');
   });
 

packages/react-reconciler/src/__tests__/ReactSuspenseList-test.js

@@ -16,7 +16,7 @@ describe('ReactSuspenseList', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Profiler = React.Profiler;
     Suspense = React.Suspense;
     if (gate(flags => flags.enableSuspenseList)) {

packages/react-reconciler/src/__tests__/ReactSuspenseWithNoopRenderer-test.js

@@ -21,7 +21,7 @@ describe('ReactSuspenseWithNoopRenderer', () => {
     Fragment = React.Fragment;
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     Suspense = React.Suspense;
     const InternalTestUtils = require('internal-test-utils');
     waitFor = InternalTestUtils.waitFor;

packages/react-reconciler/src/__tests__/ReactThenable-test.js

@@ -24,7 +24,7 @@ describe('ReactThenable', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     use = React.use;
     useDebugValue = React.useDebugValue;
     useState = React.useState;

packages/react-reconciler/src/__tests__/ReactTransition-test.js

@@ -40,7 +40,7 @@ describe('ReactTransition', () => {
     Suspense = React.Suspense;
     startTransition = React.startTransition;
     getCacheForType = React.unstable_getCacheForType;
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     const InternalTestUtils = require('internal-test-utils');
     waitForAll = InternalTestUtils.waitForAll;

packages/react-reconciler/src/__tests__/ReactTransitionTracing-test.js

@@ -43,7 +43,7 @@ describe('ReactInteractionTracing', () => {
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
 
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     const InternalTestUtils = require('internal-test-utils');
     waitForAll = InternalTestUtils.waitForAll;

packages/react-reconciler/src/__tests__/ReactUpdatePriority-test.js

@@ -17,7 +17,7 @@ describe('ReactUpdatePriority', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     ContinuousEventPriority =
       require('react-reconciler/constants').ContinuousEventPriority;
     startTransition = React.startTransition;

packages/react-reconciler/src/__tests__/ReactUpdaters-test.internal.js

@@ -93,7 +93,7 @@ describe('updaters', () => {
     ReactDOMClient = require('react-dom/client');
     Scheduler = require('scheduler');
 
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     const InternalTestUtils = require('internal-test-utils');
     waitFor = InternalTestUtils.waitFor;

packages/react-reconciler/src/__tests__/StrictEffectsMode-test.js

@@ -21,7 +21,7 @@ describe('StrictEffectsMode', () => {
     React = require('react');
     ReactTestRenderer = require('react-test-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     const InternalTestUtils = require('internal-test-utils');
     assertLog = InternalTestUtils.assertLog;

packages/react-reconciler/src/__tests__/StrictEffectsModeDefaults-test.internal.js

@@ -25,7 +25,7 @@ describe('StrictEffectsMode defaults', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     const InternalTestUtils = require('internal-test-utils');
     waitFor = InternalTestUtils.waitFor;

packages/react-reconciler/src/__tests__/useEffectEvent-test.js

@@ -35,7 +35,7 @@ describe('useEffectEvent', () => {
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
 
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     createContext = React.createContext;
     useContext = React.useContext;
     useState = React.useState;

packages/react-reconciler/src/__tests__/useMemoCache-test.js

@@ -22,7 +22,7 @@ describe('useMemoCache()', () => {
 
     React = require('react');
     ReactNoop = require('react-noop-renderer');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     useState = React.useState;
     useMemoCache = React.unstable_useMemoCache;
     MemoCacheSentinel = Symbol.for('react.memo_cache_sentinel');

packages/react-reconciler/src/__tests__/useMutableSource-test.internal.js

@@ -34,7 +34,7 @@ function loadModules() {
   React = require('react');
   ReactNoop = require('react-noop-renderer');
   Scheduler = require('scheduler');
-  act = require('jest-react').act;
+  act = require('internal-test-utils').act;
 
   const InternalTestUtils = require('internal-test-utils');
   waitFor = InternalTestUtils.waitFor;

packages/react-reconciler/src/__tests__/useMutableSourceHydration-test.js

@@ -28,7 +28,7 @@ describe('useMutableSourceHydration', () => {
     ReactDOMServer = require('react-dom/server');
     Scheduler = require('scheduler');
 
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     // Stable entrypoints export with "unstable_" prefix.
     createMutableSource =

packages/react-reconciler/src/__tests__/useRef-test.internal.js

@@ -33,7 +33,7 @@ describe('useRef', () => {
     const ReactFeatureFlags = require('shared/ReactFeatureFlags');
     ReactFeatureFlags.debugRenderPhaseSideEffectsForStrictMode = false;
 
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     useCallback = React.useCallback;
     useEffect = React.useEffect;
     useLayoutEffect = React.useLayoutEffect;

packages/react-reconciler/src/__tests__/useSyncExternalStore-test.js

@@ -49,7 +49,7 @@ describe('useSyncExternalStore', () => {
     waitForAll = InternalTestUtils.waitForAll;
     assertLog = InternalTestUtils.assertLog;
 
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
   });
 
   function Text({text}) {

packages/react-refresh/src/__tests__/ReactFresh-test.js

@@ -35,7 +35,7 @@ describe('ReactFresh', () => {
       ReactDOMClient = require('react-dom/client');
       Scheduler = require('scheduler');
       act = require('react-dom/test-utils').act;
-      internalAct = require('jest-react').act;
+      internalAct = require('internal-test-utils').act;
 
       const InternalTestUtils = require('internal-test-utils');
       waitFor = InternalTestUtils.waitFor;
@@ -3793,7 +3793,7 @@ describe('ReactFresh', () => {
       ReactDOM = require('react-dom');
       Scheduler = require('scheduler');
       act = require('react-dom/test-utils').act;
-      internalAct = require('jest-react').act;
+      internalAct = require('internal-test-utils').act;
 
       // Important! Inject into the global hook *after* ReactDOM runs:
       ReactFreshRuntime = require('react-refresh/runtime');

packages/react-server-dom-relay/src/__tests__/ReactFlightDOMRelay-test.internal.js

@@ -19,7 +19,7 @@ describe('ReactFlightDOMRelay', () => {
   beforeEach(() => {
     jest.resetModules();
 
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     React = require('react');
     ReactDOMClient = require('react-dom/client');
     ReactDOMFlightRelayServer = require('react-server-dom-relay/server');

packages/react-server-dom-webpack/src/__tests__/ReactFlightDOM-test.js

@@ -34,7 +34,7 @@ let ErrorBoundary;
 describe('ReactFlightDOM', () => {
   beforeEach(() => {
     jest.resetModules();
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     const WebpackMock = require('./utils/WebpackMock');
     clientExports = WebpackMock.clientExports;
     clientModuleError = WebpackMock.clientModuleError;

packages/react-server-dom-webpack/src/__tests__/ReactFlightDOMBrowser-test.js

@@ -30,7 +30,7 @@ let use;
 describe('ReactFlightDOMBrowser', () => {
   beforeEach(() => {
     jest.resetModules();
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     const WebpackMock = require('./utils/WebpackMock');
     clientExports = WebpackMock.clientExports;
     serverExports = WebpackMock.serverExports;

packages/react/src/__tests__/ReactProfiler-test.internal.js

@@ -43,7 +43,7 @@ function loadModules({
 
   React = require('react');
   Scheduler = require('scheduler');
-  act = require('jest-react').act;
+  act = require('internal-test-utils').act;
 
   if (useNoopRenderer) {
     ReactNoop = require('react-noop-renderer');

packages/react/src/__tests__/ReactStartTransition-test.js

@@ -22,7 +22,7 @@ describe('ReactStartTransition', () => {
     jest.resetModules();
     React = require('react');
     ReactTestRenderer = require('react-test-renderer');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     useState = React.useState;
     useTransition = React.useTransition;
   });

packages/react/src/__tests__/ReactStrictMode-test.internal.js

@@ -19,7 +19,7 @@ describe('ReactStrictMode', () => {
     React = require('react');
     ReactDOMClient = require('react-dom/client');
 
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
   });
 
   describe('levels', () => {

packages/react/src/__tests__/ReactStrictMode-test.js

@@ -29,7 +29,7 @@ describe('ReactStrictMode', () => {
     ReactDOM = require('react-dom');
     ReactDOMClient = require('react-dom/client');
     ReactDOMServer = require('react-dom/server');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
     useMemo = React.useMemo;
     useState = React.useState;
     useReducer = React.useReducer;

packages/use-subscription/src/__tests__/useSubscription-test.js

@@ -30,7 +30,7 @@ describe('useSubscription', () => {
     ReactTestRenderer = require('react-test-renderer');
     Scheduler = require('scheduler');
 
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     BehaviorSubject = require('rxjs').BehaviorSubject;
     ReplaySubject = require('rxjs').ReplaySubject;

packages/use-sync-external-store/src/__tests__/useSyncExternalStoreNative-test.js

@@ -49,7 +49,7 @@ describe('useSyncExternalStore (userspace shim, server rendering)', () => {
     React = require('react');
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
-    act = require('jest-react').act;
+    act = require('internal-test-utils').act;
 
     const InternalTestUtils = require('internal-test-utils');
     assertLog = InternalTestUtils.assertLog;

packages/use-sync-external-store/src/__tests__/useSyncExternalStoreShared-test.js

@@ -59,7 +59,7 @@ describe('Shared useSyncExternalStore behavior (shim and built-in)', () => {
     const InternalTestUtils = require('internal-test-utils');
     assertLog = InternalTestUtils.assertLog;
 
-    const internalAct = require('jest-react').act;
+    const internalAct = require('internal-test-utils').act;
 
     // The internal act implementation doesn't batch updates by default, since
     // it's mostly used to test concurrent mode. But since these tests run