import { useEffect } from 'react'; export function useDetectClickOutside( ref: React.RefObject, callback: () => void ) { useEffect(() => { function handleClickOutside(event: MouseEvent) { if (ref.current && !ref.current.contains(event.target as Node)) { callback(); } } document.addEventListener('mousedown', handleClickOutside); return () => { document.removeEventListener('mousedown', handleClickOutside); }; }, [ref, callback]); }