Function schedule

examples/million-points/main.ts:416–422

()

  const ro = (() => {
    let rafId: number | null = null;
    const schedule = (): void => {
      if (rafId !== null) return;
      rafId = requestAnimationFrame(() => {
        rafId = null;
        resizeCanvasAndConfigure();
      });
    };
    const r = new ResizeObserver(() => schedule());
    r.observe(container);
    return r;