Function handler

packages/react/src/hooks/use-is-dark.ts:16–16

(event: MediaQueryListEvent)

    if (typeof window === "undefined") return;
    const mql = window.matchMedia("(prefers-color-scheme: dark)");
    const handler = (event: MediaQueryListEvent) => setDark(event.matches);
    mql.addEventListener("change", handler);
    return () => mql.removeEventListener("change", handler);
  }, []);