Function onKey

web/components/mobile/MobileFileViewer.tsx:46–48

(e: KeyboardEvent)

  useEffect(() => {
    if (!isOpen) return;
    const onKey = (e: KeyboardEvent) => {
      if (e.key === "Escape") onClose();
    };
    document.addEventListener("keydown", onKey);
    return () => document.removeEventListener("keydown", onKey);
  }, [isOpen, onClose]);