Function handler

web/components/notifications/NotificationCenter.tsx:33–40

(e: MouseEvent)

    if (!isOpen) return;

    const handler = (e: MouseEvent) => {
      if (
        containerRef.current &&
        !containerRef.current.contains(e.target as Node)
      ) {
        setIsOpen(false);
      }
    };

    document.addEventListener("mousedown", handler);
    return () => document.removeEventListener("mousedown", handler);