saleor-dashboard/src/hooks/useInterval.ts

// @ts-strict-ignore
import { useEffect, useRef } from "react";

function useInterval(callback: () => void, delay: number | null) {
  const savedCallback = useRef<() => void>();

  useEffect(() => {
    savedCallback.current = callback;
  });

  useEffect(() => {
    function tick() {
      savedCallback.current();
    }

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

export default useInterval;