A quick vibe-coded site to test response times of PLC.directory mirrors (over 3 attempts)
indexx.dev
1import * as React from "react";
2
3const MOBILE_BREAKPOINT = 768;
4
5export function useIsMobile() {
6 const [isMobile, setIsMobile] = React.useState<boolean | undefined>(undefined);
7
8 React.useEffect(() => {
9 const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
10 const onChange = () => {
11 setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
12 };
13 mql.addEventListener("change", onChange);
14 setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
15 return () => mql.removeEventListener("change", onChange);
16 }, []);
17
18 return !!isMobile;
19}