Give useIsMobile an initial state

This commit is contained in:
Alex Gleason 2025-09-13 18:35:08 -05:00
parent 849693416a
commit a26a755505
No known key found for this signature in database
GPG Key ID: 7211D1F99744FBB7

View File

@ -1,19 +1,19 @@
import * as React from "react"
import { useEffect, useState } from "react"
const MOBILE_BREAKPOINT = 768
const MOBILE_BREAKPOINT = 768;
export function useIsMobile() {
const [isMobile, setIsMobile] = React.useState<boolean | undefined>(undefined)
export function useIsMobile(): boolean {
const [isMobile, setIsMobile] = useState(window.innerWidth < MOBILE_BREAKPOINT);
React.useEffect(() => {
const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`)
useEffect(() => {
const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
const onChange = () => {
setIsMobile(window.innerWidth < MOBILE_BREAKPOINT)
setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
}
mql.addEventListener("change", onChange)
setIsMobile(window.innerWidth < MOBILE_BREAKPOINT)
return () => mql.removeEventListener("change", onChange)
}, [])
mql.addEventListener("change", onChange);
setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
return () => mql.removeEventListener("change", onChange);
}, []);
return !!isMobile
return !!isMobile;
}