Function handler

web/hooks/useMediaQuery.ts:11–11

(e: MediaQueryListEvent)

    const mq = window.matchMedia(query);
    setMatches(mq.matches);
    const handler = (e: MediaQueryListEvent) => setMatches(e.matches);
    mq.addEventListener("change", handler);
    return () => mq.removeEventListener("change", handler);
  }, [query]);