import { useEffect } from 'react';

export function usePoll(fn: () => void | Promise<void>, ms: number) {
  useEffect(() => {
    let active = true;
    const tick = async () => {
      if (!active) return;
      await fn();
      setTimeout(tick, ms);
    };
    tick();
    return () => {
      active = false;
    };
  }, [fn, ms]);
}