Rom Grk 4d686a2da1 Performance: avoid triggering map deopt in V8 (#28569) ...

The shape of the objects changed by this PR are both created in 2
locations with 2 different shapes, which most JS engines won't like.
I've noticed this in particular in V8 while benchmarking production
code.


https://github.com/facebook/react/blob/1293047d6063f3508af15e68cca916660ded791e/packages/react-reconciler/src/ReactFiberCacheComponent.js#L66-L77


https://github.com/facebook/react/blob/1293047d6063f3508af15e68cca916660ded791e/packages/react-reconciler/src/ReactFiberHostContext.js#L47-L54


https://github.com/facebook/react/blob/1293047d6063f3508af15e68cca916660ded791e/packages/react-reconciler/src/ReactFiberHooks.js#L3530-L3531


https://github.com/facebook/react/blob/1293047d6063f3508af15e68cca916660ded791e/packages/react-reconciler/src/ReactFiberHooks.js#L3492-L3493

2024-03-18 11:54:34 -04:00

..

__mocks__/scheduler

[Codemod] Update copyright header to Meta (#25315)

2022-10-18 11:19:24 -04:00

__tests__

Update isConcurrent RTR option usage (#28546)

2024-03-18 11:35:16 -04:00

forks

Clean up empty string special cases (#28475)

2024-02-29 20:27:26 -05:00

clz32.js

[Codemod] Update copyright header to Meta (#25315)

2022-10-18 11:19:24 -04:00

DebugTracing.js

[flow] make Flow suppressions explicit on the error (#26487)

2023-03-27 13:43:04 +02:00

getComponentNameFromFiber.js

Switch <Context> to mean <Context.Provider> (#28226)

2024-02-13 10:04:49 -05:00

ReactCapturedValue.js

stash the component stack on the thrown value and reuse (#25790)

2024-02-15 20:44:44 -08:00

ReactChildFiber.js

Fix a spelling mistake. (#28555)

2024-03-14 10:04:44 -04:00

ReactCurrentFiber.js

[Codemod] Update copyright header to Meta (#25315)

2022-10-18 11:19:24 -04:00

ReactEventPriorities.js

Remove Reconciler fork (2/2) (#25775)

2022-12-01 23:19:13 -05:00

ReactFiber.js

Remove invokeGuardedCallback and replay trick (#28515)

2024-03-11 20:17:07 -04:00

ReactFiberAct.js

Rename HostConfig files to FiberConfig to clarify they are configs fo… (#26592)

2023-04-10 14:58:44 -07:00

ReactFiberActivityComponent.js

[activity] rename unstable_Offscreen to unstable_Activity (#27640)

2023-11-02 16:13:21 -04:00

ReactFiberAsyncAction.js

Async action support for React.startTransition (#28097)

2024-01-25 21:54:45 -05:00

ReactFiberBeginWork.js

Move ref type check to receiver (#28464)

2024-02-29 21:26:36 -05:00

ReactFiberCache.js

Remove Reconciler fork (2/2) (#25775)

2022-12-01 23:19:13 -05:00

ReactFiberCacheComponent.js

[Flight] Delete Server Context (#28225)

2024-02-05 22:39:15 +00:00

ReactFiberClassComponent.js

Update /link URLs to react.dev (#28477)

2024-03-03 17:34:33 -05:00

ReactFiberClassUpdateQueue.js

Batch async actions even if useTransition is unmounted (#28078)

2024-01-24 23:54:53 -05:00

ReactFiberCommitWork.js

Remove invokeGuardedCallback and replay trick (#28515)

2024-03-11 20:17:07 -04:00

ReactFiberCompleteWork.js

Move tail hydration mismatch back to hydration context (#28501)

2024-03-05 20:54:24 -05:00

ReactFiberComponentStack.js

Include server component names in the componentStack in DEV (#28415)

2024-02-23 12:04:55 -05:00

ReactFiberConcurrentUpdates.js

[activity] rename unstable_Offscreen to unstable_Activity (#27640)

2023-11-02 16:13:21 -04:00

ReactFiberConfig.js

Rename HostConfig files to FiberConfig to clarify they are configs fo… (#26592)

2023-04-10 14:58:44 -07:00

ReactFiberConfigWithNoHydration.js

Clean up empty string special cases (#28475)

2024-02-29 20:27:26 -05:00

ReactFiberConfigWithNoMicrotasks.js

Rename HostConfig files to FiberConfig to clarify they are configs fo… (#26592)

2023-04-10 14:58:44 -07:00

ReactFiberConfigWithNoMutation.js

Rename HostConfig files to FiberConfig to clarify they are configs fo… (#26592)

2023-04-10 14:58:44 -07:00

ReactFiberConfigWithNoPersistence.js

Rename HostConfig files to FiberConfig to clarify they are configs fo… (#26592)

2023-04-10 14:58:44 -07:00

ReactFiberConfigWithNoResources.js

Rename HostConfig files to FiberConfig to clarify they are configs fo… (#26592)

2023-04-10 14:58:44 -07:00

ReactFiberConfigWithNoScopes.js

Rename HostConfig files to FiberConfig to clarify they are configs fo… (#26592)

2023-04-10 14:58:44 -07:00

ReactFiberConfigWithNoSingletons.js

Rename HostConfig files to FiberConfig to clarify they are configs fo… (#26592)

2023-04-10 14:58:44 -07:00

ReactFiberConfigWithNoTestSelectors.js

Rename HostConfig files to FiberConfig to clarify they are configs fo… (#26592)

2023-04-10 14:58:44 -07:00

ReactFiberContext.js

Remove propTypes checks for legacy context (#28324)

2024-02-14 16:22:30 +00:00

ReactFiberDevToolsHook.js

Update /link URLs to react.dev (#28477)

2024-03-03 17:34:33 -05:00

ReactFiberErrorDialog.js

[Codemod] Update copyright header to Meta (#25315)

2022-10-18 11:19:24 -04:00

ReactFiberErrorLogger.js

Remove invokeGuardedCallback and replay trick (#28515)

2024-03-11 20:17:07 -04:00

ReactFiberFlags.js

Fix: useDeferredValue initialValue suspends forever without switching to final (#27888)

2024-01-07 23:17:20 -05:00

ReactFiberHiddenContext.js

Track entangled lanes separately from update lane (#27505)

2023-10-15 12:29:52 -04:00

ReactFiberHooks.js

Performance: avoid triggering map deopt in V8 (#28569)

2024-03-18 11:54:34 -04:00

ReactFiberHostContext.js

Performance: avoid triggering map deopt in V8 (#28569)

2024-03-18 11:54:34 -04:00

ReactFiberHotReloading.js

[cleanup] remove enableHostSingletons feature flag (#27583)

2023-11-16 17:42:03 -05:00

ReactFiberHydrationContext.js

Remove invokeGuardedCallback and replay trick (#28515)

2024-03-11 20:17:07 -04:00

ReactFiberLane.js

Add feature flags for expiration times (#27821)

2023-12-11 09:58:18 -05:00

ReactFiberLazyComponent.js

Remove Reconciler fork (2/2) (#25775)

2022-12-01 23:19:13 -05:00

ReactFiberNewContext.js

Fix a spelling mistake. (#28555)

2024-03-14 10:04:44 -04:00

ReactFiberReconciler.js

Update /link URLs to react.dev (#28477)

2024-03-03 17:34:33 -05:00

ReactFiberRoot.js

useFormState: Compare action signatures when reusing form state (#27370)

2023-09-13 20:46:22 -04:00

ReactFiberRootScheduler.js

Async action support for React.startTransition (#28097)

2024-01-25 21:54:45 -05:00

ReactFiberScope.js

Switch <Context> to mean <Context.Provider> (#28226)

2024-02-13 10:04:49 -05:00

ReactFiberShellHydration.js

Remove Reconciler fork (2/2) (#25775)

2022-12-01 23:19:13 -05:00

ReactFiberStack.js

Remove Reconciler fork (2/2) (#25775)

2022-12-01 23:19:13 -05:00

ReactFiberSuspenseComponent.js

Rename HostConfig files to FiberConfig to clarify they are configs fo… (#26592)

2023-04-10 14:58:44 -07:00

ReactFiberSuspenseContext.js

[activity] rename unstable_Offscreen to unstable_Activity (#27640)

2023-11-02 16:13:21 -04:00

ReactFiberThenable.js

Suspend Thenable/Lazy if it's used in React.Children and unwrap (#28284)

2024-02-12 13:39:30 -05:00

ReactFiberThrow.js

Batch async actions even if useTransition is unmounted (#28078)

2024-01-24 23:54:53 -05:00

ReactFiberTracingMarkerComponent.js

Async action support for React.startTransition (#28097)

2024-01-25 21:54:45 -05:00

ReactFiberTransition.js

Capture React.startTransition errors and pass to reportError (#28111)

2024-01-26 12:10:33 -05:00

ReactFiberTreeContext.js

Remove Reconciler fork (2/2) (#25775)

2022-12-01 23:19:13 -05:00

ReactFiberTreeReflection.js

[cleanup] remove enableHostSingletons feature flag (#27583)

2023-11-16 17:42:03 -05:00

ReactFiberUnwindWork.js

Switch <Context> to mean <Context.Provider> (#28226)

2024-02-13 10:04:49 -05:00

ReactFiberWorkLoop.js

Remove invokeGuardedCallback and replay trick (#28515)

2024-03-11 20:17:07 -04:00

ReactHookEffectTags.js

[Codemod] Update copyright header to Meta (#25315)

2022-10-18 11:19:24 -04:00

ReactInternalTypes.js

Add pending state to useFormState (#28514)

2024-03-12 15:50:11 -04:00

ReactPortal.js

[Codemod] Update copyright header to Meta (#25315)

2022-10-18 11:19:24 -04:00

ReactPostPaintCallback.js

Rename HostConfig files to FiberConfig to clarify they are configs fo… (#26592)

2023-04-10 14:58:44 -07:00

ReactProfilerTimer.js

[flow] enable LTI inference mode (#26104)

2023-02-09 17:07:39 -05:00

ReactReconcilerConstants.js

Remove Reconciler fork (2/2) (#25775)

2022-12-01 23:19:13 -05:00

ReactRootTags.js

[Codemod] Update copyright header to Meta (#25315)

2022-10-18 11:19:24 -04:00

ReactStrictModeWarnings.js

Update /link URLs to react.dev (#28477)

2024-03-03 17:34:33 -05:00

ReactTestSelectors.js

Rename HostConfig files to FiberConfig to clarify they are configs fo… (#26592)

2023-04-10 14:58:44 -07:00

ReactTypeOfMode.js

Add a temporary internal option to disable double useEffect in legacy strict mode (#26914)

2023-06-21 11:14:57 -07:00

ReactWorkTags.js

Model Float on Hoistables semantics (#26106)

2023-02-09 22:59:29 -08:00

Scheduler.js

SchedulerMock.unstable_yieldValue -> SchedulerMock.log (#26312)

2023-03-06 11:09:07 -05:00