Function stop

src/components/ScrollKeybindingHandler.tsx:650–656

()

  useEffect(() => {
    if (!isActive) return;
    function stop(): void {
      dirRef.current = 0;
      if (timerRef.current) {
        clearInterval(timerRef.current);
        timerRef.current = null;
      }
    }
    function tick(): void {
      const sel = selection.getState();
      const s = scrollRef.current;