Function useIntervalTimer

src/renderer/hooks/timers/useIntervalTimer.ts:11–33

(
  callback: () => void,
  delay: number | null,
)

 * @param delay - Interval duration in milliseconds. Pass `null` to disable.
 */
export const useIntervalTimer = (
  callback: () => void,
  delay: number | null,
) => {
  const savedCallback = useRef<(() => void) | null>(null);

  // Remember the latest callback.
  useEffect(() => {
    savedCallback.current = callback;
  }, [callback]);

  // Set up the interval.
  useEffect(() => {
    function tick() {
      savedCallback.current?.();
    }

    if (delay !== null) {
      const id = setInterval(tick, delay);
      return () => clearInterval(id);
    }
  }, [delay]);
};