Function useEffectEvent

packages/react-aria/src/utils/useEffectEvent.ts:20–30

(fn?: T)

const useEarlyEffect = React['useInsertionEffect'] ?? useLayoutEffect;

export function useEffectEvent<T extends Function>(fn?: T): T {
  const ref = useRef<T | null | undefined>(null);
  useEarlyEffect(() => {
    ref.current = fn;
  }, [fn]);
  // @ts-ignore
  return useCallback<T>((...args) => {
    const f = ref.current!;
    return f?.(...args);
  }, []);
}