export function createRateLimitedPublisher(publish: () => void, intervalMs: number) {
  let timer: number | null = null;
  let lastPublishedAt = Number.NEGATIVE_INFINITY;
  const flush = () => {
    timer = null;
    lastPublishedAt = performance.now();
    publish();
  };
  return {
    request() {
      if (timer !== null) return;
      const delay = Math.max(0, intervalMs - (performance.now() - lastPublishedAt));
      if (delay === 0) flush();
      else timer = window.setTimeout(flush, delay);
    },
    cancel() {
      if (timer !== null) window.clearTimeout(timer);
      timer = null;
    },
    dispose() {
      if (timer !== null) window.clearTimeout(timer);
      timer = null;
    },
  };
}