diff --git a/packages/react-dom/index.classic.fb.js b/packages/react-dom/index.classic.fb.js
index ea9dd9aba257e..0b16c0808368b 100644
--- a/packages/react-dom/index.classic.fb.js
+++ b/packages/react-dom/index.classic.fb.js
@@ -30,8 +30,6 @@ export {
unmountComponentAtNode,
createRoot,
createRoot as unstable_createRoot,
- createBlockingRoot,
- createBlockingRoot as unstable_createBlockingRoot,
unstable_flushControlled,
unstable_scheduleHydration,
unstable_runWithPriority,
diff --git a/packages/react-dom/index.experimental.js b/packages/react-dom/index.experimental.js
index 9ed70f3959ec9..e685ec6e8a1f8 100644
--- a/packages/react-dom/index.experimental.js
+++ b/packages/react-dom/index.experimental.js
@@ -20,7 +20,6 @@ export {
unmountComponentAtNode,
// exposeConcurrentModeAPIs
createRoot as unstable_createRoot,
- createBlockingRoot as unstable_createBlockingRoot,
unstable_flushControlled,
unstable_scheduleHydration,
// DO NOT USE: Temporarily exposing this to migrate off of Scheduler.runWithPriority.
diff --git a/packages/react-dom/index.js b/packages/react-dom/index.js
index 59825272c3a89..7adfaa4ad2185 100644
--- a/packages/react-dom/index.js
+++ b/packages/react-dom/index.js
@@ -21,8 +21,6 @@ export {
unmountComponentAtNode,
createRoot,
createRoot as unstable_createRoot,
- createBlockingRoot,
- createBlockingRoot as unstable_createBlockingRoot,
unstable_flushControlled,
unstable_scheduleHydration,
unstable_runWithPriority,
diff --git a/packages/react-dom/index.modern.fb.js b/packages/react-dom/index.modern.fb.js
index addcce97749c9..f91cc3cb89553 100644
--- a/packages/react-dom/index.modern.fb.js
+++ b/packages/react-dom/index.modern.fb.js
@@ -15,8 +15,6 @@ export {
version,
createRoot,
createRoot as unstable_createRoot,
- createBlockingRoot,
- createBlockingRoot as unstable_createBlockingRoot,
unstable_flushControlled,
unstable_scheduleHydration,
unstable_runWithPriority,
diff --git a/packages/react-dom/src/__tests__/ReactDOMFiberAsync-test.js b/packages/react-dom/src/__tests__/ReactDOMFiberAsync-test.js
index 7fde6e5ddeb6b..ff4e1b5aeeb5f 100644
--- a/packages/react-dom/src/__tests__/ReactDOMFiberAsync-test.js
+++ b/packages/react-dom/src/__tests__/ReactDOMFiberAsync-test.js
@@ -574,31 +574,29 @@ describe('ReactDOMFiberAsync', () => {
expect(containerC.textContent).toEqual('Finished');
});
- describe('createBlockingRoot', () => {
- // @gate experimental
- it('updates flush without yielding in the next event', () => {
- const root = ReactDOM.unstable_createBlockingRoot(container);
+ // @gate experimental
+ it('updates flush without yielding in the next event', () => {
+ const root = ReactDOM.unstable_createRoot(container);
- function Text(props) {
- Scheduler.unstable_yieldValue(props.text);
- return props.text;
- }
+ function Text(props) {
+ Scheduler.unstable_yieldValue(props.text);
+ return props.text;
+ }
- root.render(
- <>
-
-
-
- >,
- );
+ root.render(
+ <>
+
+
+
+ >,
+ );
- // Nothing should have rendered yet
- expect(container.textContent).toEqual('');
+ // Nothing should have rendered yet
+ expect(container.textContent).toEqual('');
- // Everything should render immediately in the next event
- expect(Scheduler).toFlushExpired(['A', 'B', 'C']);
- expect(container.textContent).toEqual('ABC');
- });
+ // Everything should render immediately in the next event
+ expect(Scheduler).toFlushAndYield(['A', 'B', 'C']);
+ expect(container.textContent).toEqual('ABC');
});
// @gate experimental
diff --git a/packages/react-dom/src/__tests__/ReactDOMServerPartialHydration-test.internal.js b/packages/react-dom/src/__tests__/ReactDOMServerPartialHydration-test.internal.js
index 91f6e8f022727..00ed4050d6a99 100644
--- a/packages/react-dom/src/__tests__/ReactDOMServerPartialHydration-test.internal.js
+++ b/packages/react-dom/src/__tests__/ReactDOMServerPartialHydration-test.internal.js
@@ -357,7 +357,7 @@ describe('ReactDOMServerPartialHydration', () => {
}).toErrorDev(
'Warning: Cannot hydrate Suspense in legacy mode. Switch from ' +
'ReactDOM.hydrate(element, container) to ' +
- 'ReactDOM.createBlockingRoot(container, { hydrate: true })' +
+ 'ReactDOM.createRoot(container, { hydrate: true })' +
'.render(element) or remove the Suspense components from the server ' +
'rendered components.' +
'\n in Suspense (at **)' +
diff --git a/packages/react-dom/src/__tests__/ReactDOMServerSuspense-test.internal.js b/packages/react-dom/src/__tests__/ReactDOMServerSuspense-test.internal.js
index 6c48b36bd107d..7b28d572ccceb 100644
--- a/packages/react-dom/src/__tests__/ReactDOMServerSuspense-test.internal.js
+++ b/packages/react-dom/src/__tests__/ReactDOMServerSuspense-test.internal.js
@@ -127,7 +127,7 @@ describe('ReactDOMServerSuspense', () => {
expect(divB.textContent).toBe('B');
act(() => {
- const root = ReactDOM.createBlockingRoot(parent, {hydrate: true});
+ const root = ReactDOM.createRoot(parent, {hydrate: true});
root.render(example);
});
diff --git a/packages/react-dom/src/__tests__/ReactTestUtilsAct-test.js b/packages/react-dom/src/__tests__/ReactTestUtilsAct-test.js
index 57807679e8eb2..242743d2f3732 100644
--- a/packages/react-dom/src/__tests__/ReactTestUtilsAct-test.js
+++ b/packages/react-dom/src/__tests__/ReactTestUtilsAct-test.js
@@ -72,33 +72,6 @@ describe('ReactTestUtils.act()', () => {
runActTests('legacy mode', renderLegacy, unmountLegacy, rerenderLegacy);
- // and then in blocking mode
- if (__EXPERIMENTAL__) {
- let blockingRoot = null;
- const renderBatched = (el, dom) => {
- blockingRoot = ReactDOM.unstable_createBlockingRoot(dom);
- blockingRoot.render(el);
- };
-
- const unmountBatched = dom => {
- if (blockingRoot !== null) {
- blockingRoot.unmount();
- blockingRoot = null;
- }
- };
-
- const rerenderBatched = el => {
- blockingRoot.render(el);
- };
-
- runActTests(
- 'blocking mode',
- renderBatched,
- unmountBatched,
- rerenderBatched,
- );
- }
-
describe('unacted effects', () => {
function App() {
React.useEffect(() => {}, []);
@@ -124,19 +97,6 @@ describe('ReactTestUtils.act()', () => {
]);
});
- // @gate experimental
- it('warns in blocking mode', () => {
- expect(() => {
- const root = ReactDOM.unstable_createBlockingRoot(
- document.createElement('div'),
- );
- root.render();
- Scheduler.unstable_flushAll();
- }).toErrorDev([
- 'An update to App ran an effect, but was not wrapped in act(...)',
- ]);
- });
-
// @gate experimental
it('warns in concurrent mode', () => {
expect(() => {
@@ -731,14 +691,10 @@ function runActTests(label, render, unmount, rerender) {
it('triggers fallbacks if available', async () => {
if (label !== 'legacy mode') {
- // FIXME: Support for Blocking* and Concurrent Mode were
- // intentionally removed from the public version of `act`. It will
- // be added back in a future major version, before Blocking and and
- // Concurrent Mode are officially released. Consider disabling all
- // non-Legacy tests in this suite until then.
- //
- // *Blocking Mode actually does happen to work, though
- // not "officially" since it's an unreleased feature.
+ // FIXME: Support for Concurrent Root intentionally removed
+ // from the public version of `act`. It will be added back in
+ // a future major version, before the Concurrent Root is released.
+ // Consider skipping all non-Legacy tests in this suite until then.
return;
}
@@ -794,10 +750,8 @@ function runActTests(label, render, unmount, rerender) {
// In Concurrent Mode, refresh transitions delay indefinitely.
expect(document.querySelector('[data-test-id=spinner]')).toBeNull();
} else {
- // In Legacy Mode and Blocking Mode, all fallbacks are forced to
- // display, even during a refresh transition.
- // TODO: Consider delaying indefinitely in Blocking Mode, to match
- // Concurrent Mode semantics.
+ // In Legacy Mode, all fallbacks are forced to display,
+ // even during a refresh transition.
expect(
document.querySelector('[data-test-id=spinner]'),
).not.toBeNull();
diff --git a/packages/react-dom/src/__tests__/ReactUnmockedSchedulerWarning-test.js b/packages/react-dom/src/__tests__/ReactUnmockedSchedulerWarning-test.js
index 435b4989c1157..79437e7f5c760 100644
--- a/packages/react-dom/src/__tests__/ReactUnmockedSchedulerWarning-test.js
+++ b/packages/react-dom/src/__tests__/ReactUnmockedSchedulerWarning-test.js
@@ -43,22 +43,3 @@ it('should warn when rendering in concurrent mode', () => {
ReactDOM.unstable_createRoot(document.createElement('div')).render();
}).toErrorDev([]);
});
-
-// @gate experimental
-it('should warn when rendering in blocking mode', () => {
- expect(() => {
- ReactDOM.unstable_createBlockingRoot(document.createElement('div')).render(
- ,
- );
- }).toErrorDev(
- 'In Concurrent or Sync modes, the "scheduler" module needs to be mocked ' +
- 'to guarantee consistent behaviour across tests and browsers.',
- {withoutStack: true},
- );
- // does not warn twice
- expect(() => {
- ReactDOM.unstable_createBlockingRoot(document.createElement('div')).render(
- ,
- );
- }).toErrorDev([]);
-});
diff --git a/packages/react-dom/src/client/ReactDOM.js b/packages/react-dom/src/client/ReactDOM.js
index 66ae001c3b27d..7cff285a938d0 100644
--- a/packages/react-dom/src/client/ReactDOM.js
+++ b/packages/react-dom/src/client/ReactDOM.js
@@ -18,7 +18,7 @@ import {
unstable_renderSubtreeIntoContainer,
unmountComponentAtNode,
} from './ReactDOMLegacy';
-import {createRoot, createBlockingRoot, isValidContainer} from './ReactDOMRoot';
+import {createRoot, isValidContainer} from './ReactDOMRoot';
import {createEventHandle} from './ReactDOMEventHandle';
import {
@@ -201,7 +201,6 @@ export {
unmountComponentAtNode,
// exposeConcurrentModeAPIs
createRoot,
- createBlockingRoot,
flushControlled as unstable_flushControlled,
scheduleHydration as unstable_scheduleHydration,
// Disabled behind disableUnstableRenderSubtreeIntoContainer
diff --git a/packages/react-dom/src/client/ReactDOMRoot.js b/packages/react-dom/src/client/ReactDOMRoot.js
index 62a72dc229618..56532d5d67488 100644
--- a/packages/react-dom/src/client/ReactDOMRoot.js
+++ b/packages/react-dom/src/client/ReactDOMRoot.js
@@ -51,25 +51,17 @@ import {
registerMutableSourceForHydration,
} from 'react-reconciler/src/ReactFiberReconciler';
import invariant from 'shared/invariant';
-import {
- BlockingRoot,
- ConcurrentRoot,
- LegacyRoot,
-} from 'react-reconciler/src/ReactRootTags';
+import {ConcurrentRoot, LegacyRoot} from 'react-reconciler/src/ReactRootTags';
function ReactDOMRoot(container: Container, options: void | RootOptions) {
this._internalRoot = createRootImpl(container, ConcurrentRoot, options);
}
-function ReactDOMBlockingRoot(
- container: Container,
- tag: RootTag,
- options: void | RootOptions,
-) {
- this._internalRoot = createRootImpl(container, tag, options);
+function ReactDOMLegacyRoot(container: Container, options: void | RootOptions) {
+ this._internalRoot = createRootImpl(container, LegacyRoot, options);
}
-ReactDOMRoot.prototype.render = ReactDOMBlockingRoot.prototype.render = function(
+ReactDOMRoot.prototype.render = ReactDOMLegacyRoot.prototype.render = function(
children: ReactNodeList,
): void {
const root = this._internalRoot;
@@ -99,7 +91,7 @@ ReactDOMRoot.prototype.render = ReactDOMBlockingRoot.prototype.render = function
updateContainer(children, root, null, null);
};
-ReactDOMRoot.prototype.unmount = ReactDOMBlockingRoot.prototype.unmount = function(): void {
+ReactDOMRoot.prototype.unmount = ReactDOMLegacyRoot.prototype.unmount = function(): void {
if (__DEV__) {
if (typeof arguments[0] === 'function') {
console.error(
@@ -169,23 +161,11 @@ export function createRoot(
return new ReactDOMRoot(container, options);
}
-export function createBlockingRoot(
- container: Container,
- options?: RootOptions,
-): RootType {
- invariant(
- isValidContainer(container),
- 'createRoot(...): Target container is not a DOM element.',
- );
- warnIfReactDOMContainerInDEV(container);
- return new ReactDOMBlockingRoot(container, BlockingRoot, options);
-}
-
export function createLegacyRoot(
container: Container,
options?: RootOptions,
): RootType {
- return new ReactDOMBlockingRoot(container, LegacyRoot, options);
+ return new ReactDOMLegacyRoot(container, options);
}
export function isValidContainer(node: mixed): boolean {
diff --git a/packages/react-noop-renderer/src/ReactNoop.js b/packages/react-noop-renderer/src/ReactNoop.js
index 8305dd6d8641f..c09fa2d8000f5 100644
--- a/packages/react-noop-renderer/src/ReactNoop.js
+++ b/packages/react-noop-renderer/src/ReactNoop.js
@@ -23,7 +23,6 @@ export const {
getPendingChildren,
getOrCreateRootContainer,
createRoot,
- createBlockingRoot,
createLegacyRoot,
getChildrenAsJSX,
getPendingChildrenAsJSX,
diff --git a/packages/react-noop-renderer/src/ReactNoopPersistent.js b/packages/react-noop-renderer/src/ReactNoopPersistent.js
index c4a73cdfb81b4..97876990a9b57 100644
--- a/packages/react-noop-renderer/src/ReactNoopPersistent.js
+++ b/packages/react-noop-renderer/src/ReactNoopPersistent.js
@@ -23,7 +23,6 @@ export const {
getPendingChildren,
getOrCreateRootContainer,
createRoot,
- createBlockingRoot,
createLegacyRoot,
getChildrenAsJSX,
getPendingChildrenAsJSX,
diff --git a/packages/react-noop-renderer/src/createReactNoop.js b/packages/react-noop-renderer/src/createReactNoop.js
index f7663b0593583..80c888a88e53d 100644
--- a/packages/react-noop-renderer/src/createReactNoop.js
+++ b/packages/react-noop-renderer/src/createReactNoop.js
@@ -21,11 +21,7 @@ import type {RootTag} from 'react-reconciler/src/ReactRootTags';
import * as Scheduler from 'scheduler/unstable_mock';
import {REACT_FRAGMENT_TYPE, REACT_ELEMENT_TYPE} from 'shared/ReactSymbols';
-import {
- ConcurrentRoot,
- BlockingRoot,
- LegacyRoot,
-} from 'react-reconciler/src/ReactRootTags';
+import {ConcurrentRoot, LegacyRoot} from 'react-reconciler/src/ReactRootTags';
import ReactSharedInternals from 'shared/ReactSharedInternals';
import enqueueTask from 'shared/enqueueTask';
@@ -752,33 +748,6 @@ function createReactNoop(reconciler: Function, useMutation: boolean) {
};
},
- createBlockingRoot() {
- const container = {
- rootID: '' + idCounter++,
- pendingChildren: [],
- children: [],
- };
- const fiberRoot = NoopRenderer.createContainer(
- container,
- BlockingRoot,
- false,
- null,
- null,
- );
- return {
- _Scheduler: Scheduler,
- render(children: ReactNodeList) {
- NoopRenderer.updateContainer(children, fiberRoot, null, null);
- },
- getChildren() {
- return getChildren(container);
- },
- getChildrenAsJSX() {
- return getChildrenAsJSX(container);
- },
- };
- },
-
createLegacyRoot() {
const container = {
rootID: '' + idCounter++,
diff --git a/packages/react-reconciler/src/ReactFiber.new.js b/packages/react-reconciler/src/ReactFiber.new.js
index 3c49e56431c39..de9c83e3a35dd 100644
--- a/packages/react-reconciler/src/ReactFiber.new.js
+++ b/packages/react-reconciler/src/ReactFiber.new.js
@@ -26,7 +26,7 @@ import {
enableScopeAPI,
} from 'shared/ReactFeatureFlags';
import {NoFlags, Placement, StaticMask} from './ReactFiberFlags';
-import {ConcurrentRoot, BlockingRoot} from './ReactRootTags';
+import {ConcurrentRoot} from './ReactRootTags';
import {
IndeterminateComponent,
ClassComponent,
@@ -68,7 +68,6 @@ import {
ProfileMode,
StrictLegacyMode,
StrictEffectsMode,
- BlockingMode,
} from './ReactTypeOfMode';
import {
REACT_FORWARD_REF_TYPE,
@@ -424,25 +423,7 @@ export function createHostRootFiber(
): Fiber {
let mode;
if (tag === ConcurrentRoot) {
- mode = ConcurrentMode | BlockingMode;
- if (strictModeLevelOverride !== null) {
- if (strictModeLevelOverride >= 1) {
- mode |= StrictLegacyMode;
- }
- if (enableStrictEffects) {
- if (strictModeLevelOverride >= 2) {
- mode |= StrictEffectsMode;
- }
- }
- } else {
- if (enableStrictEffects && createRootStrictEffectsByDefault) {
- mode |= StrictLegacyMode | StrictEffectsMode;
- } else {
- mode |= StrictLegacyMode;
- }
- }
- } else if (tag === BlockingRoot) {
- mode = BlockingMode;
+ mode = ConcurrentMode;
if (strictModeLevelOverride !== null) {
if (strictModeLevelOverride >= 1) {
mode |= StrictLegacyMode;
diff --git a/packages/react-reconciler/src/ReactFiber.old.js b/packages/react-reconciler/src/ReactFiber.old.js
index e98634b37cfd6..f399ab3593146 100644
--- a/packages/react-reconciler/src/ReactFiber.old.js
+++ b/packages/react-reconciler/src/ReactFiber.old.js
@@ -26,7 +26,7 @@ import {
enableScopeAPI,
} from 'shared/ReactFeatureFlags';
import {NoFlags, Placement, StaticMask} from './ReactFiberFlags';
-import {ConcurrentRoot, BlockingRoot} from './ReactRootTags';
+import {ConcurrentRoot} from './ReactRootTags';
import {
IndeterminateComponent,
ClassComponent,
@@ -68,7 +68,6 @@ import {
ProfileMode,
StrictLegacyMode,
StrictEffectsMode,
- BlockingMode,
} from './ReactTypeOfMode';
import {
REACT_FORWARD_REF_TYPE,
@@ -424,25 +423,7 @@ export function createHostRootFiber(
): Fiber {
let mode;
if (tag === ConcurrentRoot) {
- mode = ConcurrentMode | BlockingMode;
- if (strictModeLevelOverride !== null) {
- if (strictModeLevelOverride >= 1) {
- mode |= StrictLegacyMode;
- }
- if (enableStrictEffects) {
- if (strictModeLevelOverride >= 2) {
- mode |= StrictEffectsMode;
- }
- }
- } else {
- if (enableStrictEffects && createRootStrictEffectsByDefault) {
- mode |= StrictLegacyMode | StrictEffectsMode;
- } else {
- mode |= StrictLegacyMode;
- }
- }
- } else if (tag === BlockingRoot) {
- mode = BlockingMode;
+ mode = ConcurrentMode;
if (strictModeLevelOverride !== null) {
if (strictModeLevelOverride >= 1) {
mode |= StrictLegacyMode;
diff --git a/packages/react-reconciler/src/ReactFiberBeginWork.new.js b/packages/react-reconciler/src/ReactFiberBeginWork.new.js
index 345f668fc62e8..a014ef5747895 100644
--- a/packages/react-reconciler/src/ReactFiberBeginWork.new.js
+++ b/packages/react-reconciler/src/ReactFiberBeginWork.new.js
@@ -128,7 +128,6 @@ import {
NoMode,
ProfileMode,
StrictLegacyMode,
- BlockingMode,
} from './ReactTypeOfMode';
import {
shouldSetTextContent,
@@ -609,7 +608,6 @@ function updateOffscreenComponent(
// Rendering a hidden tree.
if ((workInProgress.mode & ConcurrentMode) === NoMode) {
// In legacy sync mode, don't defer the subtree. Render it now.
- // TODO: Figure out what we should do in Blocking mode.
const nextState: OffscreenState = {
baseLanes: NoLanes,
cachePool: null,
@@ -2134,7 +2132,10 @@ function mountSuspenseFallbackChildren(
let primaryChildFragment;
let fallbackChildFragment;
- if ((mode & BlockingMode) === NoMode && progressedPrimaryFragment !== null) {
+ if (
+ (mode & ConcurrentMode) === NoMode &&
+ progressedPrimaryFragment !== null
+ ) {
// In legacy mode, we commit the primary tree as if it successfully
// completed, even though it's in an inconsistent state.
primaryChildFragment = progressedPrimaryFragment;
@@ -2206,7 +2207,7 @@ function updateSuspensePrimaryChildren(
children: primaryChildren,
},
);
- if ((workInProgress.mode & BlockingMode) === NoMode) {
+ if ((workInProgress.mode & ConcurrentMode) === NoMode) {
primaryChildFragment.lanes = renderLanes;
}
primaryChildFragment.return = workInProgress;
@@ -2247,7 +2248,7 @@ function updateSuspenseFallbackChildren(
if (
// In legacy mode, we commit the primary tree as if it successfully
// completed, even though it's in an inconsistent state.
- (mode & BlockingMode) === NoMode &&
+ (mode & ConcurrentMode) === NoMode &&
// Make sure we're on the second pass, i.e. the primary child fragment was
// already cloned. In legacy mode, the only case where this isn't true is
// when DevTools forces us to display a fallback; we skip the first render
@@ -2369,7 +2370,7 @@ function mountSuspenseFallbackAfterRetryWithoutHydrating(
primaryChildFragment.sibling = fallbackChildFragment;
workInProgress.child = primaryChildFragment;
- if ((workInProgress.mode & BlockingMode) !== NoMode) {
+ if ((workInProgress.mode & ConcurrentMode) !== NoMode) {
// We will have dropped the effect list which contains the
// deletion. We need to reconcile to delete the current child.
reconcileChildFibers(workInProgress, current.child, null, renderLanes);
@@ -2385,12 +2386,12 @@ function mountDehydratedSuspenseComponent(
): null | Fiber {
// During the first pass, we'll bail out and not drill into the children.
// Instead, we'll leave the content in place and try to hydrate it later.
- if ((workInProgress.mode & BlockingMode) === NoMode) {
+ if ((workInProgress.mode & ConcurrentMode) === NoMode) {
if (__DEV__) {
console.error(
'Cannot hydrate Suspense in legacy mode. Switch from ' +
'ReactDOM.hydrate(element, container) to ' +
- 'ReactDOM.createBlockingRoot(container, { hydrate: true })' +
+ 'ReactDOM.createRoot(container, { hydrate: true })' +
'.render(element) or remove the Suspense components from ' +
'the server rendered components.',
);
@@ -2443,7 +2444,7 @@ function updateDehydratedSuspenseComponent(
);
}
- if ((workInProgress.mode & BlockingMode) === NoMode) {
+ if ((workInProgress.mode & ConcurrentMode) === NoMode) {
return retrySuspenseComponentWithoutHydrating(
current,
workInProgress,
@@ -2861,7 +2862,7 @@ function updateSuspenseListComponent(
}
pushSuspenseContext(workInProgress, suspenseContext);
- if ((workInProgress.mode & BlockingMode) === NoMode) {
+ if ((workInProgress.mode & ConcurrentMode) === NoMode) {
// In legacy mode, SuspenseList doesn't work so we just
// use make it a noop by treating it as the default revealOrder.
workInProgress.memoizedState = null;
diff --git a/packages/react-reconciler/src/ReactFiberBeginWork.old.js b/packages/react-reconciler/src/ReactFiberBeginWork.old.js
index 72b4e33431b00..2c355abdf95b2 100644
--- a/packages/react-reconciler/src/ReactFiberBeginWork.old.js
+++ b/packages/react-reconciler/src/ReactFiberBeginWork.old.js
@@ -128,7 +128,6 @@ import {
NoMode,
ProfileMode,
StrictLegacyMode,
- BlockingMode,
} from './ReactTypeOfMode';
import {
shouldSetTextContent,
@@ -609,7 +608,6 @@ function updateOffscreenComponent(
// Rendering a hidden tree.
if ((workInProgress.mode & ConcurrentMode) === NoMode) {
// In legacy sync mode, don't defer the subtree. Render it now.
- // TODO: Figure out what we should do in Blocking mode.
const nextState: OffscreenState = {
baseLanes: NoLanes,
cachePool: null,
@@ -2134,7 +2132,10 @@ function mountSuspenseFallbackChildren(
let primaryChildFragment;
let fallbackChildFragment;
- if ((mode & BlockingMode) === NoMode && progressedPrimaryFragment !== null) {
+ if (
+ (mode & ConcurrentMode) === NoMode &&
+ progressedPrimaryFragment !== null
+ ) {
// In legacy mode, we commit the primary tree as if it successfully
// completed, even though it's in an inconsistent state.
primaryChildFragment = progressedPrimaryFragment;
@@ -2206,7 +2207,7 @@ function updateSuspensePrimaryChildren(
children: primaryChildren,
},
);
- if ((workInProgress.mode & BlockingMode) === NoMode) {
+ if ((workInProgress.mode & ConcurrentMode) === NoMode) {
primaryChildFragment.lanes = renderLanes;
}
primaryChildFragment.return = workInProgress;
@@ -2247,7 +2248,7 @@ function updateSuspenseFallbackChildren(
if (
// In legacy mode, we commit the primary tree as if it successfully
// completed, even though it's in an inconsistent state.
- (mode & BlockingMode) === NoMode &&
+ (mode & ConcurrentMode) === NoMode &&
// Make sure we're on the second pass, i.e. the primary child fragment was
// already cloned. In legacy mode, the only case where this isn't true is
// when DevTools forces us to display a fallback; we skip the first render
@@ -2369,7 +2370,7 @@ function mountSuspenseFallbackAfterRetryWithoutHydrating(
primaryChildFragment.sibling = fallbackChildFragment;
workInProgress.child = primaryChildFragment;
- if ((workInProgress.mode & BlockingMode) !== NoMode) {
+ if ((workInProgress.mode & ConcurrentMode) !== NoMode) {
// We will have dropped the effect list which contains the
// deletion. We need to reconcile to delete the current child.
reconcileChildFibers(workInProgress, current.child, null, renderLanes);
@@ -2385,12 +2386,12 @@ function mountDehydratedSuspenseComponent(
): null | Fiber {
// During the first pass, we'll bail out and not drill into the children.
// Instead, we'll leave the content in place and try to hydrate it later.
- if ((workInProgress.mode & BlockingMode) === NoMode) {
+ if ((workInProgress.mode & ConcurrentMode) === NoMode) {
if (__DEV__) {
console.error(
'Cannot hydrate Suspense in legacy mode. Switch from ' +
'ReactDOM.hydrate(element, container) to ' +
- 'ReactDOM.createBlockingRoot(container, { hydrate: true })' +
+ 'ReactDOM.createRoot(container, { hydrate: true })' +
'.render(element) or remove the Suspense components from ' +
'the server rendered components.',
);
@@ -2443,7 +2444,7 @@ function updateDehydratedSuspenseComponent(
);
}
- if ((workInProgress.mode & BlockingMode) === NoMode) {
+ if ((workInProgress.mode & ConcurrentMode) === NoMode) {
return retrySuspenseComponentWithoutHydrating(
current,
workInProgress,
@@ -2861,7 +2862,7 @@ function updateSuspenseListComponent(
}
pushSuspenseContext(workInProgress, suspenseContext);
- if ((workInProgress.mode & BlockingMode) === NoMode) {
+ if ((workInProgress.mode & ConcurrentMode) === NoMode) {
// In legacy mode, SuspenseList doesn't work so we just
// use make it a noop by treating it as the default revealOrder.
workInProgress.memoizedState = null;
diff --git a/packages/react-reconciler/src/ReactFiberCompleteWork.new.js b/packages/react-reconciler/src/ReactFiberCompleteWork.new.js
index 47f65d2da6efc..1dcc0ec9c87d1 100644
--- a/packages/react-reconciler/src/ReactFiberCompleteWork.new.js
+++ b/packages/react-reconciler/src/ReactFiberCompleteWork.new.js
@@ -55,12 +55,7 @@ import {
LegacyHiddenComponent,
CacheComponent,
} from './ReactWorkTags';
-import {
- NoMode,
- BlockingMode,
- ConcurrentMode,
- ProfileMode,
-} from './ReactTypeOfMode';
+import {NoMode, ConcurrentMode, ProfileMode} from './ReactTypeOfMode';
import {
Ref,
Update,
@@ -1059,12 +1054,10 @@ function completeWork(
}
if (nextDidTimeout && !prevDidTimeout) {
- // If this subtree is running in blocking mode we can suspend,
- // otherwise we won't suspend.
// TODO: This will still suspend a synchronous tree if anything
// in the concurrent tree already suspended during this render.
// This is a known bug.
- if ((workInProgress.mode & BlockingMode) !== NoMode) {
+ if ((workInProgress.mode & ConcurrentMode) !== NoMode) {
// TODO: Move this back to throwException because this is too late
// if this is a large tree which is common for initial loads. We
// don't know if we should restart a render or not until we get
diff --git a/packages/react-reconciler/src/ReactFiberCompleteWork.old.js b/packages/react-reconciler/src/ReactFiberCompleteWork.old.js
index df878d24e76a5..dc1112d3b88f6 100644
--- a/packages/react-reconciler/src/ReactFiberCompleteWork.old.js
+++ b/packages/react-reconciler/src/ReactFiberCompleteWork.old.js
@@ -55,12 +55,7 @@ import {
LegacyHiddenComponent,
CacheComponent,
} from './ReactWorkTags';
-import {
- NoMode,
- BlockingMode,
- ConcurrentMode,
- ProfileMode,
-} from './ReactTypeOfMode';
+import {NoMode, ConcurrentMode, ProfileMode} from './ReactTypeOfMode';
import {
Ref,
Update,
@@ -1059,12 +1054,10 @@ function completeWork(
}
if (nextDidTimeout && !prevDidTimeout) {
- // If this subtree is running in blocking mode we can suspend,
- // otherwise we won't suspend.
// TODO: This will still suspend a synchronous tree if anything
// in the concurrent tree already suspended during this render.
// This is a known bug.
- if ((workInProgress.mode & BlockingMode) !== NoMode) {
+ if ((workInProgress.mode & ConcurrentMode) !== NoMode) {
// TODO: Move this back to throwException because this is too late
// if this is a large tree which is common for initial loads. We
// don't know if we should restart a render or not until we get
diff --git a/packages/react-reconciler/src/ReactFiberHooks.new.js b/packages/react-reconciler/src/ReactFiberHooks.new.js
index 9eb089d07d7a5..00afb7daefdd7 100644
--- a/packages/react-reconciler/src/ReactFiberHooks.new.js
+++ b/packages/react-reconciler/src/ReactFiberHooks.new.js
@@ -34,7 +34,7 @@ import {
import {
NoMode,
- BlockingMode,
+ ConcurrentMode,
DebugTracingMode,
StrictEffectsMode,
} from './ReactTypeOfMode';
@@ -1809,7 +1809,7 @@ function mountOpaqueIdentifier(): OpaqueIDType | void {
const setId = mountState(id)[1];
- if ((currentlyRenderingFiber.mode & BlockingMode) === NoMode) {
+ if ((currentlyRenderingFiber.mode & ConcurrentMode) === NoMode) {
if (
__DEV__ &&
enableStrictEffects &&
diff --git a/packages/react-reconciler/src/ReactFiberHooks.old.js b/packages/react-reconciler/src/ReactFiberHooks.old.js
index b51d2020a8fad..3f60972dcd519 100644
--- a/packages/react-reconciler/src/ReactFiberHooks.old.js
+++ b/packages/react-reconciler/src/ReactFiberHooks.old.js
@@ -34,7 +34,7 @@ import {
import {
NoMode,
- BlockingMode,
+ ConcurrentMode,
DebugTracingMode,
StrictEffectsMode,
} from './ReactTypeOfMode';
@@ -1809,7 +1809,7 @@ function mountOpaqueIdentifier(): OpaqueIDType | void {
const setId = mountState(id)[1];
- if ((currentlyRenderingFiber.mode & BlockingMode) === NoMode) {
+ if ((currentlyRenderingFiber.mode & ConcurrentMode) === NoMode) {
if (
__DEV__ &&
enableStrictEffects &&
diff --git a/packages/react-reconciler/src/ReactFiberRoot.new.js b/packages/react-reconciler/src/ReactFiberRoot.new.js
index ae6a5bdb596f6..f06925e10fbe9 100644
--- a/packages/react-reconciler/src/ReactFiberRoot.new.js
+++ b/packages/react-reconciler/src/ReactFiberRoot.new.js
@@ -25,7 +25,7 @@ import {
} from 'shared/ReactFeatureFlags';
import {unstable_getThreadID} from 'scheduler/tracing';
import {initializeUpdateQueue} from './ReactUpdateQueue.new';
-import {LegacyRoot, BlockingRoot, ConcurrentRoot} from './ReactRootTags';
+import {LegacyRoot, ConcurrentRoot} from './ReactRootTags';
function FiberRootNode(containerInfo, tag, hydrate) {
this.tag = tag;
@@ -73,9 +73,6 @@ function FiberRootNode(containerInfo, tag, hydrate) {
if (__DEV__) {
switch (tag) {
- case BlockingRoot:
- this._debugRootType = 'createBlockingRoot()';
- break;
case ConcurrentRoot:
this._debugRootType = 'createRoot()';
break;
diff --git a/packages/react-reconciler/src/ReactFiberRoot.old.js b/packages/react-reconciler/src/ReactFiberRoot.old.js
index 0c0d45c098720..712803920ebb2 100644
--- a/packages/react-reconciler/src/ReactFiberRoot.old.js
+++ b/packages/react-reconciler/src/ReactFiberRoot.old.js
@@ -25,7 +25,7 @@ import {
} from 'shared/ReactFeatureFlags';
import {unstable_getThreadID} from 'scheduler/tracing';
import {initializeUpdateQueue} from './ReactUpdateQueue.old';
-import {LegacyRoot, BlockingRoot, ConcurrentRoot} from './ReactRootTags';
+import {LegacyRoot, ConcurrentRoot} from './ReactRootTags';
function FiberRootNode(containerInfo, tag, hydrate) {
this.tag = tag;
@@ -73,9 +73,6 @@ function FiberRootNode(containerInfo, tag, hydrate) {
if (__DEV__) {
switch (tag) {
- case BlockingRoot:
- this._debugRootType = 'createBlockingRoot()';
- break;
case ConcurrentRoot:
this._debugRootType = 'createRoot()';
break;
diff --git a/packages/react-reconciler/src/ReactFiberThrow.new.js b/packages/react-reconciler/src/ReactFiberThrow.new.js
index ba5a81ecccbf2..2641bdd3b345e 100644
--- a/packages/react-reconciler/src/ReactFiberThrow.new.js
+++ b/packages/react-reconciler/src/ReactFiberThrow.new.js
@@ -34,7 +34,7 @@ import {
ForceUpdateForLegacySuspense,
} from './ReactFiberFlags';
import {shouldCaptureSuspense} from './ReactFiberSuspenseComponent.new';
-import {NoMode, BlockingMode, DebugTracingMode} from './ReactTypeOfMode';
+import {NoMode, ConcurrentMode, DebugTracingMode} from './ReactTypeOfMode';
import {
enableDebugTracing,
enableSchedulingProfiler,
@@ -233,7 +233,7 @@ function throwException(
// A legacy mode Suspense quirk, only relevant to hook components.
const tag = sourceFiber.tag;
if (
- (sourceFiber.mode & BlockingMode) === NoMode &&
+ (sourceFiber.mode & ConcurrentMode) === NoMode &&
(tag === FunctionComponent ||
tag === ForwardRef ||
tag === SimpleMemoComponent)
@@ -274,13 +274,13 @@ function throwException(
wakeables.add(wakeable);
}
- // If the boundary is outside of blocking mode, we should *not*
+ // If the boundary is in legacy mode, we should *not*
// suspend the commit. Pretend as if the suspended component rendered
// null and keep rendering. In the commit phase, we'll schedule a
// subsequent synchronous update to re-render the Suspense.
//
// Note: It doesn't matter whether the component that suspended was
- // inside a blocking mode tree. If the Suspense is outside of it, we
+ // inside a concurrent mode tree. If the Suspense is outside of it, we
// should *not* suspend the commit.
//
// If the suspense boundary suspended itself suspended, we don't have to
@@ -288,7 +288,7 @@ function throwException(
// directly do a second pass over the fallback in this render and
// pretend we meant to render that directly.
if (
- (workInProgress.mode & BlockingMode) === NoMode &&
+ (workInProgress.mode & ConcurrentMode) === NoMode &&
workInProgress !== returnFiber
) {
workInProgress.flags |= DidCapture;
diff --git a/packages/react-reconciler/src/ReactFiberThrow.old.js b/packages/react-reconciler/src/ReactFiberThrow.old.js
index baa807e180dd0..294b807ebcb1b 100644
--- a/packages/react-reconciler/src/ReactFiberThrow.old.js
+++ b/packages/react-reconciler/src/ReactFiberThrow.old.js
@@ -34,7 +34,7 @@ import {
ForceUpdateForLegacySuspense,
} from './ReactFiberFlags';
import {shouldCaptureSuspense} from './ReactFiberSuspenseComponent.old';
-import {NoMode, BlockingMode, DebugTracingMode} from './ReactTypeOfMode';
+import {NoMode, ConcurrentMode, DebugTracingMode} from './ReactTypeOfMode';
import {
enableDebugTracing,
enableSchedulingProfiler,
@@ -233,7 +233,7 @@ function throwException(
// A legacy mode Suspense quirk, only relevant to hook components.
const tag = sourceFiber.tag;
if (
- (sourceFiber.mode & BlockingMode) === NoMode &&
+ (sourceFiber.mode & ConcurrentMode) === NoMode &&
(tag === FunctionComponent ||
tag === ForwardRef ||
tag === SimpleMemoComponent)
@@ -274,13 +274,13 @@ function throwException(
wakeables.add(wakeable);
}
- // If the boundary is outside of blocking mode, we should *not*
+ // If the boundary is in legacy mode, we should *not*
// suspend the commit. Pretend as if the suspended component rendered
// null and keep rendering. In the commit phase, we'll schedule a
// subsequent synchronous update to re-render the Suspense.
//
// Note: It doesn't matter whether the component that suspended was
- // inside a blocking mode tree. If the Suspense is outside of it, we
+ // inside a concurrent mode tree. If the Suspense is outside of it, we
// should *not* suspend the commit.
//
// If the suspense boundary suspended itself suspended, we don't have to
@@ -288,7 +288,7 @@ function throwException(
// directly do a second pass over the fallback in this render and
// pretend we meant to render that directly.
if (
- (workInProgress.mode & BlockingMode) === NoMode &&
+ (workInProgress.mode & ConcurrentMode) === NoMode &&
workInProgress !== returnFiber
) {
workInProgress.flags |= DidCapture;
diff --git a/packages/react-reconciler/src/ReactFiberWorkLoop.new.js b/packages/react-reconciler/src/ReactFiberWorkLoop.new.js
index 8f83cf88fea9b..5bd865cc4d159 100644
--- a/packages/react-reconciler/src/ReactFiberWorkLoop.new.js
+++ b/packages/react-reconciler/src/ReactFiberWorkLoop.new.js
@@ -100,7 +100,6 @@ import {
NoMode,
StrictLegacyMode,
ProfileMode,
- BlockingMode,
ConcurrentMode,
} from './ReactTypeOfMode';
import {
@@ -386,7 +385,7 @@ export function getCurrentTime() {
export function requestUpdateLane(fiber: Fiber): Lane {
// Special cases
const mode = fiber.mode;
- if ((mode & BlockingMode) === NoMode) {
+ if ((mode & ConcurrentMode) === NoMode) {
return (SyncLane: Lane);
} else if ((mode & ConcurrentMode) === NoMode) {
return getCurrentUpdateLanePriority() === SyncLanePriority
@@ -467,7 +466,7 @@ function requestRetryLane(fiber: Fiber) {
// Special cases
const mode = fiber.mode;
- if ((mode & BlockingMode) === NoMode) {
+ if ((mode & ConcurrentMode) === NoMode) {
return (SyncLane: Lane);
} else if ((mode & ConcurrentMode) === NoMode) {
return getCurrentUpdateLanePriority() === SyncLanePriority
@@ -658,7 +657,7 @@ export function isInterleavedUpdate(fiber: Fiber, lane: Lane) {
// Requires some refactoring. Not a big deal though since it's rare for
// concurrent apps to have more than a single root.
workInProgressRoot !== null &&
- (fiber.mode & BlockingMode) !== NoMode &&
+ (fiber.mode & ConcurrentMode) !== NoMode &&
// If this is a render phase update (i.e. UNSAFE_componentWillReceiveProps),
// then don't treat this as an interleaved update. This pattern is
// accompanied by a warning but we haven't fully deprecated it yet. We can
@@ -2545,7 +2544,7 @@ function warnAboutUpdateOnNotYetMountedFiberInDEV(fiber) {
return;
}
- if (!(fiber.mode & (BlockingMode | ConcurrentMode))) {
+ if (!(fiber.mode & ConcurrentMode)) {
return;
}
@@ -2924,7 +2923,7 @@ export function warnIfUnmockedScheduler(fiber: Fiber) {
didWarnAboutUnmockedScheduler === false &&
Scheduler.unstable_flushAllWithoutAsserting === undefined
) {
- if (fiber.mode & BlockingMode || fiber.mode & ConcurrentMode) {
+ if (fiber.mode & ConcurrentMode) {
didWarnAboutUnmockedScheduler = true;
console.error(
'In Concurrent or Sync modes, the "scheduler" module needs to be mocked ' +
diff --git a/packages/react-reconciler/src/ReactFiberWorkLoop.old.js b/packages/react-reconciler/src/ReactFiberWorkLoop.old.js
index 4b59de6b0d5d6..fef8f4e56d697 100644
--- a/packages/react-reconciler/src/ReactFiberWorkLoop.old.js
+++ b/packages/react-reconciler/src/ReactFiberWorkLoop.old.js
@@ -100,7 +100,6 @@ import {
NoMode,
StrictLegacyMode,
ProfileMode,
- BlockingMode,
ConcurrentMode,
} from './ReactTypeOfMode';
import {
@@ -386,7 +385,7 @@ export function getCurrentTime() {
export function requestUpdateLane(fiber: Fiber): Lane {
// Special cases
const mode = fiber.mode;
- if ((mode & BlockingMode) === NoMode) {
+ if ((mode & ConcurrentMode) === NoMode) {
return (SyncLane: Lane);
} else if ((mode & ConcurrentMode) === NoMode) {
return getCurrentUpdateLanePriority() === SyncLanePriority
@@ -467,7 +466,7 @@ function requestRetryLane(fiber: Fiber) {
// Special cases
const mode = fiber.mode;
- if ((mode & BlockingMode) === NoMode) {
+ if ((mode & ConcurrentMode) === NoMode) {
return (SyncLane: Lane);
} else if ((mode & ConcurrentMode) === NoMode) {
return getCurrentUpdateLanePriority() === SyncLanePriority
@@ -658,7 +657,7 @@ export function isInterleavedUpdate(fiber: Fiber, lane: Lane) {
// Requires some refactoring. Not a big deal though since it's rare for
// concurrent apps to have more than a single root.
workInProgressRoot !== null &&
- (fiber.mode & BlockingMode) !== NoMode &&
+ (fiber.mode & ConcurrentMode) !== NoMode &&
// If this is a render phase update (i.e. UNSAFE_componentWillReceiveProps),
// then don't treat this as an interleaved update. This pattern is
// accompanied by a warning but we haven't fully deprecated it yet. We can
@@ -2545,7 +2544,7 @@ function warnAboutUpdateOnNotYetMountedFiberInDEV(fiber) {
return;
}
- if (!(fiber.mode & (BlockingMode | ConcurrentMode))) {
+ if (!(fiber.mode & ConcurrentMode)) {
return;
}
@@ -2924,7 +2923,7 @@ export function warnIfUnmockedScheduler(fiber: Fiber) {
didWarnAboutUnmockedScheduler === false &&
Scheduler.unstable_flushAllWithoutAsserting === undefined
) {
- if (fiber.mode & BlockingMode || fiber.mode & ConcurrentMode) {
+ if (fiber.mode & ConcurrentMode) {
didWarnAboutUnmockedScheduler = true;
console.error(
'In Concurrent or Sync modes, the "scheduler" module needs to be mocked ' +
diff --git a/packages/react-reconciler/src/ReactRootTags.js b/packages/react-reconciler/src/ReactRootTags.js
index 409f4bd931a76..cda44d6e1ed51 100644
--- a/packages/react-reconciler/src/ReactRootTags.js
+++ b/packages/react-reconciler/src/ReactRootTags.js
@@ -7,8 +7,7 @@
* @flow
*/
-export type RootTag = 0 | 1 | 2;
+export type RootTag = 0 | 1;
export const LegacyRoot = 0;
-export const BlockingRoot = 1;
-export const ConcurrentRoot = 2;
+export const ConcurrentRoot = 1;
diff --git a/packages/react-reconciler/src/ReactTypeOfMode.js b/packages/react-reconciler/src/ReactTypeOfMode.js
index a6499be7aca11..466363fabd4e8 100644
--- a/packages/react-reconciler/src/ReactTypeOfMode.js
+++ b/packages/react-reconciler/src/ReactTypeOfMode.js
@@ -10,10 +10,9 @@
export type TypeOfMode = number;
export const NoMode = /* */ 0b000000;
-// TODO: Remove BlockingMode and ConcurrentMode by reading from the root tag instead
-export const BlockingMode = /* */ 0b000001;
-export const ConcurrentMode = /* */ 0b000010;
-export const ProfileMode = /* */ 0b000100;
-export const DebugTracingMode = /* */ 0b001000;
-export const StrictLegacyMode = /* */ 0b010000;
-export const StrictEffectsMode = /* */ 0b100000;
+// TODO: Remove ConcurrentMode by reading from the root tag instead
+export const ConcurrentMode = /* */ 0b000001;
+export const ProfileMode = /* */ 0b000010;
+export const DebugTracingMode = /* */ 0b000100;
+export const StrictLegacyMode = /* */ 0b001000;
+export const StrictEffectsMode = /* */ 0b010000;
diff --git a/packages/react-reconciler/src/__tests__/ReactBatchedMode-test.internal.js b/packages/react-reconciler/src/__tests__/ReactBatching-test.internal.js
similarity index 86%
rename from packages/react-reconciler/src/__tests__/ReactBatchedMode-test.internal.js
rename to packages/react-reconciler/src/__tests__/ReactBatching-test.internal.js
index c6af59fbd915c..7998d2a23177e 100644
--- a/packages/react-reconciler/src/__tests__/ReactBatchedMode-test.internal.js
+++ b/packages/react-reconciler/src/__tests__/ReactBatching-test.internal.js
@@ -53,7 +53,7 @@ describe('ReactBlockingMode', () => {
}
it('updates flush without yielding in the next event', () => {
- const root = ReactNoop.createBlockingRoot();
+ const root = ReactNoop.createRoot();
root.render(
<>
@@ -67,7 +67,7 @@ describe('ReactBlockingMode', () => {
expect(root).toMatchRenderedOutput(null);
// Everything should render immediately in the next event
- expect(Scheduler).toFlushExpired(['A', 'B', 'C']);
+ expect(Scheduler).toFlushAndYield(['A', 'B', 'C']);
expect(root).toMatchRenderedOutput('ABC');
});
@@ -81,16 +81,17 @@ describe('ReactBlockingMode', () => {
return ;
}
- const root = ReactNoop.createBlockingRoot();
+ const root = ReactNoop.createRoot();
root.render();
expect(root).toMatchRenderedOutput(null);
+ expect(Scheduler).toHaveYielded([]);
- expect(Scheduler).toFlushExpired(['Hi', 'Layout effect']);
+ expect(Scheduler).toFlushAndYield(['Hi', 'Layout effect']);
expect(root).toMatchRenderedOutput('Hi');
});
it('uses proper Suspense semantics, not legacy ones', async () => {
- const root = ReactNoop.createBlockingRoot();
+ const root = ReactNoop.createRoot();
root.render(
}>
@@ -105,15 +106,15 @@ describe('ReactBlockingMode', () => {
,
);
- expect(Scheduler).toFlushExpired(['A', 'Suspend! [B]', 'C', 'Loading...']);
- // In Legacy Mode, A and B would mount in a hidden primary tree. In Batched
- // and Concurrent Mode, nothing in the primary tree should mount. But the
+ expect(Scheduler).toFlushAndYield(['A', 'Suspend! [B]', 'C', 'Loading...']);
+ // In Legacy Mode, A and B would mount in a hidden primary tree. In
+ // Concurrent Mode, nothing in the primary tree should mount. But the
// fallback should mount immediately.
expect(root).toMatchRenderedOutput('Loading...');
await jest.advanceTimersByTime(1000);
expect(Scheduler).toHaveYielded(['Promise resolved [B]']);
- expect(Scheduler).toFlushExpired(['A', 'B', 'C']);
+ expect(Scheduler).toFlushAndYield(['A', 'B', 'C']);
expect(root).toMatchRenderedOutput(
<>
A
@@ -125,7 +126,7 @@ describe('ReactBlockingMode', () => {
it('flushSync does not flush batched work', () => {
const {useState, forwardRef, useImperativeHandle} = React;
- const root = ReactNoop.createBlockingRoot();
+ const root = ReactNoop.createRoot();
const Foo = forwardRef(({label}, ref) => {
const [step, setStep] = useState(0);
@@ -143,7 +144,7 @@ describe('ReactBlockingMode', () => {
);
// Mount
- expect(Scheduler).toFlushExpired(['A0', 'B0']);
+ expect(Scheduler).toFlushAndYield(['A0', 'B0']);
expect(root).toMatchRenderedOutput('A0B0');
// Schedule a batched update to the first sibling
@@ -161,7 +162,7 @@ describe('ReactBlockingMode', () => {
expect(root).toMatchRenderedOutput('A0B1');
// Now flush the first update
- expect(Scheduler).toFlushExpired(['A1']);
+ expect(Scheduler).toFlushAndYield(['A1']);
expect(root).toMatchRenderedOutput('A1B1');
});
});
diff --git a/packages/react-reconciler/src/__tests__/ReactIncrementalErrorHandling-test.internal.js b/packages/react-reconciler/src/__tests__/ReactIncrementalErrorHandling-test.internal.js
index 613fe89d63279..a14c36bfce2bb 100644
--- a/packages/react-reconciler/src/__tests__/ReactIncrementalErrorHandling-test.internal.js
+++ b/packages/react-reconciler/src/__tests__/ReactIncrementalErrorHandling-test.internal.js
@@ -1870,10 +1870,6 @@ describe('ReactIncrementalErrorHandling', () => {
const root = ReactNoop.createRoot();
root.render('Error when completing root');
expect(Scheduler).toFlushAndThrow('Error when completing root');
-
- const blockingRoot = ReactNoop.createBlockingRoot();
- blockingRoot.render('Error when completing root');
- expect(Scheduler).toFlushAndThrow('Error when completing root');
});
}
});
diff --git a/packages/react-reconciler/src/__tests__/ReactOffscreen-test.js b/packages/react-reconciler/src/__tests__/ReactOffscreen-test.js
index b3f14e6ad1efc..d04203089c22b 100644
--- a/packages/react-reconciler/src/__tests__/ReactOffscreen-test.js
+++ b/packages/react-reconciler/src/__tests__/ReactOffscreen-test.js
@@ -125,7 +125,7 @@ describe('ReactOffscreen', () => {
});
// @gate experimental
- it('does not defer in blocking mode', async () => {
+ it('does defer in concurrent mode', async () => {
let setState;
function Foo() {
const [state, _setState] = useState('A');
@@ -133,7 +133,7 @@ describe('ReactOffscreen', () => {
return ;
}
- const root = ReactNoop.createBlockingRoot();
+ const root = ReactNoop.createRoot();
await ReactNoop.act(async () => {
root.render(
<>
@@ -143,9 +143,13 @@ describe('ReactOffscreen', () => {
>,
);
- // Should not defer the hidden tree
- expect(Scheduler).toFlushUntilNextPaint(['A', 'Outside']);
+ // Should defer the hidden tree.
+ expect(Scheduler).toFlushUntilNextPaint(['Outside']);
});
+
+ // The hidden tree was rendered at lower priority.
+ expect(Scheduler).toHaveYielded(['A']);
+
expect(root).toMatchRenderedOutput(
<>
diff --git a/packages/react-reconciler/src/__tests__/ReactSuspenseFuzz-test.internal.js b/packages/react-reconciler/src/__tests__/ReactSuspenseFuzz-test.internal.js
index eabcb41be0e6d..c67edf8a15632 100644
--- a/packages/react-reconciler/src/__tests__/ReactSuspenseFuzz-test.internal.js
+++ b/packages/react-reconciler/src/__tests__/ReactSuspenseFuzz-test.internal.js
@@ -170,13 +170,6 @@ describe('ReactSuspenseFuzz', () => {
expect(legacyOutput).toEqual(expectedOutput);
ReactNoop.renderLegacySyncRoot(null);
- resetCache();
- const batchedBlockingRoot = ReactNoop.createBlockingRoot();
- batchedBlockingRoot.render(children);
- resolveAllTasks();
- const batchedSyncOutput = batchedBlockingRoot.getChildrenAsJSX();
- expect(batchedSyncOutput).toEqual(expectedOutput);
-
resetCache();
const concurrentRoot = ReactNoop.createRoot();
concurrentRoot.render(children);
diff --git a/packages/react/src/__tests__/ReactStrictMode-test.internal.js b/packages/react/src/__tests__/ReactStrictMode-test.internal.js
index cb567340d3983..20c83a46dfaac 100644
--- a/packages/react/src/__tests__/ReactStrictMode-test.internal.js
+++ b/packages/react/src/__tests__/ReactStrictMode-test.internal.js
@@ -66,23 +66,6 @@ describe('ReactStrictMode', () => {
]);
});
- // @gate experimental
- it('should support overriding default via createBlockingRoot option', () => {
- act(() => {
- const container = document.createElement('div');
- const root = ReactDOM.createBlockingRoot(container, {
- unstable_strictModeLevel: 0,
- });
- root.render();
- });
-
- expect(log).toEqual([
- 'A: render',
- 'A: useLayoutEffect mount',
- 'A: useEffect mount',
- ]);
- });
-
// @gate experimental
it('should disable strict mode if level 0 is specified', () => {
act(() => {
diff --git a/packages/shared/ReactFeatureFlags.js b/packages/shared/ReactFeatureFlags.js
index 5029a6f4900bf..75ab4b6842d90 100644
--- a/packages/shared/ReactFeatureFlags.js
+++ b/packages/shared/ReactFeatureFlags.js
@@ -27,7 +27,7 @@ export const debugRenderPhaseSideEffectsForStrictMode = __DEV__;
// this feature flag only impacts StrictEffectsMode.
export const enableStrictEffects = false;
-// If TRUE, trees rendered with createRoot (and createBlockingRoot) APIs will be StrictEffectsMode.
+// If TRUE, trees rendered with createRoot will be StrictEffectsMode.
// If FALSE, these trees will be StrictLegacyMode.
export const createRootStrictEffectsByDefault = false;