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[RFC] Label updates from setOptimistic per API #33451

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[RFC] Label updates from setOptimistic per API #33451

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7 changes: 5 additions & 2 deletions packages/react-reconciler/src/ReactFiberHooks.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1961,6 +1961,7 @@ function mountOptimistic<S, A>(
// This is different than the normal setState function.
const dispatch: A => void = (dispatchOptimisticSetState.bind(
null,
'setOptimistic()',
currentlyRenderingFiber,
true,
queue,
Expand Down Expand Up @@ -2398,6 +2399,7 @@ function mountActionState<S, P>(
const pendingStateHook = mountStateImpl((false: Thenable<boolean> | boolean));
const setPendingState: boolean => void = (dispatchOptimisticSetState.bind(
null,
'useActionState()',
currentlyRenderingFiber,
false,
((pendingStateHook.queue: any): UpdateQueue<
Expand Down Expand Up @@ -3117,7 +3119,7 @@ function startTransition<S>(
// diverges; for example, both an optimistic update and this one should
// share the same lane.
ReactSharedInternals.T = currentTransition;
dispatchOptimisticSetState(fiber, false, queue, pendingState);
dispatchOptimisticSetState('useTransition()', fiber, false, queue, pendingState);

try {
const returnValue = callback();
Expand Down Expand Up @@ -3682,6 +3684,7 @@ function dispatchSetStateInternal<S, A>(
}

function dispatchOptimisticSetState<S, A>(
label: string,
fiber: Fiber,
throwIfDuringRender: boolean,
queue: UpdateQueue<S, A>,
Expand Down Expand Up @@ -3766,7 +3769,7 @@ function dispatchOptimisticSetState<S, A>(
// will never be attempted before the optimistic update. This currently
// holds because the optimistic update is always synchronous. If we ever
// change that, we'll need to account for this.
startUpdateTimerByLane(lane, 'setOptimistic()');
startUpdateTimerByLane(lane, label);
scheduleUpdateOnFiber(root, fiber, lane);
// Optimistic updates are always synchronous, so we don't need to call
// entangleTransitionUpdate here.
Expand Down
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