Function handler

src/hooks/useIsMobile.ts:12–12

(e: MediaQueryListEvent | MediaQueryList)

  useEffect(() => {
    const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
    const handler = (e: MediaQueryListEvent | MediaQueryList) => setIsMobile(e.matches);
    handler(mql);
    mql.addEventListener("change", handler);
    return () => mql.removeEventListener("change", handler);