1  import { useEffect, useState } from "react";
 2  
 3  export function useInMobile(breakpoint = 640): boolean {
 4    const [isMobile, setIsMobile] = useState(false);
 5  
 6    useEffect(() => {
 7      const check = () => setIsMobile(window.innerWidth < breakpoint);
 8  
 9      check();
10  
11      window.addEventListener("resize", check);
12  
13      return () => {
14        window.removeEventListener("resize", check);
15      };
16    }, [breakpoint]);
17  
18    return isMobile;
19  }