Function lightUp

freebuff/web/src/app/home-client.tsx:374–380

(i: number)

  const [litWords, setLitWords] = useState<Set<number>>(new Set())

  const lightUp = (i: number) => {
    setLitWords((prev) => {
      const next = new Set(prev)
      next.add(i)
      return next
    })
  }

  const dimDown = (i: number) => {
    setLitWords((prev) => {