Function useMediaQuery

web/hooks/useMediaQuery.ts:5–17

(query: string)

import { useState, useEffect } from "react";

export function useMediaQuery(query: string): boolean {
  const [matches, setMatches] = useState(false);

  useEffect(() => {
    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]);

  return matches;
}

/** < 768px */
export function useIsMobile(): boolean {