import { useState, useEffect } from 'react'; export function useHasScroll( ref: React.RefObject, ) { const [hasScroll, setHasScroll] = useState(false); useEffect(() => { const el = ref.current; if (!el) return; const check = () => setHasScroll(el.scrollHeight > el.clientHeight); check(); const observer = new MutationObserver(check); observer.observe(el, { childList: true, subtree: true }); return () => observer.disconnect(); }, [ref]); return hasScroll; }