const timers = new Map();

export const debounce = async (fn, delayMs) => {
  const timer = timers.get(fn);
  if (timer) {
    return timer.result;
  }
  const result = await fn();
  timers.set(fn, { result });
  setTimeout(() => {
    timers.delete(fn);
  }, delayMs);
  return result;
};

export const delay = async (delayMs) => {
  await new Promise((resolve) => {
    setTimeout(resolve, delayMs);
  });
};