const { useState, useEffect } = React; function useOpenNow() { const [now, setNow] = useState(new Date()); useEffect(() => { const t = setInterval(() => setNow(new Date()), 30000); return () => clearInterval(t); }, []); // Always use Brisbane time (AEST UTC+10, no DST) via formatToParts – avoids // locale-string parsing which is not reliably parseable across all environments. const parts = new Intl.DateTimeFormat('en-AU', { timeZone: 'Australia/Brisbane', hour: 'numeric', minute: 'numeric', weekday: 'short', hour12: false, }).formatToParts(now); const get = (t) => parts.find(p => p.type === t)?.value ?? ''; const weekdays = ['Sun','Mon','Tue','Wed','Thu','Fri','Sat']; const day = weekdays.indexOf(get('weekday')); // 0=Sun; -1 if locale parts unavailable const mins = parseInt(get('hour'), 10) * 60 + parseInt(get('minute'), 10); // Mon-Fri 7:00-12:00; Sat/Sun closed; fail-safe closed when day is unknown let open = false; if (day >= 1 && day <= 5 && !isNaN(mins)) open = mins >= 7 * 60 && mins < 12 * 60; return { open, now }; } function Nav() { const { open } = useOpenNow(); const [scrolled, setScrolled] = useState(false); useEffect(() => { const h = () => setScrolled(window.scrollY > 12); h(); window.addEventListener('scroll', h, { passive: true }); return () => window.removeEventListener('scroll', h); }, []); return ( ); } window.Nav = Nav; window.useOpenNow = useOpenNow;