import React, { useCallback } from "react"; export const useCheckCapsLock = (setCapsLockNotify: React.Dispatch>) => { return useCallback( (event: React.KeyboardEvent) => { if (event.getModifierState("CapsLock")) { setCapsLockNotify(true); } else { setCapsLockNotify(false); } }, [setCapsLockNotify], ); }; export default useCheckCapsLock;