Files
SnapOtter/apps/web/src/hooks/use-mobile.ts
T

23 lines
677 B
TypeScript

import { useEffect, useState } from "react";
const MOBILE_BREAKPOINT = 768;
/**
* Returns true when the viewport width is below the mobile breakpoint (768px).
*/
export function useMobile(): boolean {
const [isMobile, setIsMobile] = useState(() =>
typeof window !== "undefined" ? window.innerWidth < MOBILE_BREAKPOINT : false,
);
useEffect(() => {
const mq = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
const handler = (e: MediaQueryListEvent) => setIsMobile(e.matches);
mq.addEventListener("change", handler);
setIsMobile(mq.matches);
return () => mq.removeEventListener("change", handler);
}, []);
return isMobile;
}