// Val Cenis ski-pass pre-sale landing — assembly const { useState: useStateA, useEffect: useEffectA } = React; function App() { const [menu, setMenu] = useStateA(false); const [stuck, setStuck] = useStateA(false); useEffectA(() => { const onScroll = () => setStuck(window.scrollY > 8); window.addEventListener('scroll', onScroll, { passive: true }); return () => window.removeEventListener('scroll', onScroll); }, []); return (