import { useEffect, useState, useMemo } from 'react'; export function useCurrentTime(enabled: boolean, use24Hour = true, intervalMs = 10000) { const [currentTime, setCurrentTime] = useState(() => new Date()); useEffect(() => { if (!enabled) return; const timer = setInterval(() => { setCurrentTime(new Date()); }, intervalMs); return () => clearInterval(timer); }, [enabled, intervalMs]); return useMemo(() => { if (!enabled) return ''; return currentTime.toLocaleTimeString([], { hour: '2-digit', minute: '2-digit', hour12: !use24Hour, }); }, [currentTime, enabled, use24Hour]); }