import { useEffect, useState } from "react"; export default function Theme(theme?: string) { const [isReady, setIsReady] = useState(false); useEffect(() => { if (!theme && window.matchMedia("(prefers-color-scheme: dark)").matches) { document.documentElement.classList.add("dark"); } else { document.documentElement.classList.add(theme); } setIsReady(true); }, []); return { isReady, }; }