function useRafTimeout()

in packages/hooks/src/useRafTimeout/index.ts [45:64]

• 17 lines of code
• 4 McCabe index (conditional complexity)

function useRafTimeout(fn: () => void, delay: number | undefined) {
  const fnRef = useLatest(fn);
  const timerRef = useRef<Handle>();

  const clear = useCallback(() => {
    if (timerRef.current) {
      clearRafTimeout(timerRef.current);
    }
  }, []);

  useEffect(() => {
    if (!isNumber(delay) || delay < 0) return;
    timerRef.current = setRafTimeout(() => {
      fnRef.current();
    }, delay);
    return clear;
  }, [delay]);

  return clear;
}