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Fix Flow types of useEffectEvent #26468

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Merged
merged 4 commits into from
Mar 25, 2023
Merged

Fix Flow types of useEffectEvent #26468

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e7592de
useEffectEvent: Highlight wrong types
eps1lon Mar 24, 2023
d849cbc
Fix Flow types of useEffectEvent
eps1lon Mar 24, 2023
048d91b
Narrow down FlowFixMe for other hooks as well
eps1lon Mar 24, 2023
f932f34
Simplify useEffectEvent types
eps1lon Mar 25, 2023
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4 changes: 1 addition & 3 deletions packages/react-reconciler/src/ReactInternalTypes.js
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Original file line number Diff line number Diff line change
Expand Up @@ -383,9 +383,7 @@ export type Dispatcher = {
create: () => (() => void) | void,
deps: Array<mixed> | void | null,
): void,
useEffectEvent?: <Args, Return, F: (...Array<Args>) => Return>(
callback: F,
) => F,
useEffectEvent?: <Args, F: (...Array<Args>) => mixed>(callback: F) => F,
useInsertionEffect(
create: () => (() => void) | void,
deps: Array<mixed> | void | null,
Expand Down
12 changes: 7 additions & 5 deletions packages/react/src/ReactHooks.js
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Expand Up @@ -218,24 +218,26 @@ export function useSyncExternalStore<T>(

export function useCacheRefresh(): <T>(?() => T, ?T) => void {
const dispatcher = resolveDispatcher();
// $FlowFixMe This is unstable, thus optional
// $FlowFixMe[not-a-function] This is unstable, thus optional
return dispatcher.useCacheRefresh();
}

export function use<T>(usable: Usable<T>): T {
const dispatcher = resolveDispatcher();
// $FlowFixMe This is unstable, thus optional
// $FlowFixMe[not-a-function] This is unstable, thus optional
return dispatcher.use(usable);
}

export function useMemoCache(size: number): Array<any> {
const dispatcher = resolveDispatcher();
// $FlowFixMe This is unstable, thus optional
// $FlowFixMe[not-a-function] This is unstable, thus optional
return dispatcher.useMemoCache(size);
}

export function useEffectEvent<T>(callback: T): void {
export function useEffectEvent<Args, F: (...Array<Args>) => mixed>(
callback: F,
): F {
const dispatcher = resolveDispatcher();
// $FlowFixMe This is unstable, thus optional
// $FlowFixMe[not-a-function] This is unstable, thus optional
return dispatcher.useEffectEvent(callback);
}