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fix(use-mobile): use sync external storage to wait before initial render (#610)

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Nico 2026-03-03 21:27:22 +01:00 committed by GitHub
parent f511095fde
commit cdc15ef488
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1 changed files with 16 additions and 14 deletions
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30
app/client/hooks/use-mobile.ts
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@ -2,18 +2,20 @@ import * as React from "react";
const MOBILE_BREAKPOINT = 768;
export function useIsMobile() {
const [isMobile, setIsMobile] = React.useState<boolean | undefined>(undefined);
React.useEffect(() => {
const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
const onChange = () => {
setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
};
mql.addEventListener("change", onChange);
setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
return () => mql.removeEventListener("change", onChange);
}, []);
return !!isMobile;
function subscribe(callback: () => void) {
const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
mql.addEventListener("change", callback);
return () => mql.removeEventListener("change", callback);
}
function getSnapshot() {
return window.innerWidth < MOBILE_BREAKPOINT;
}
function getServerSnapshot() {
return false;
}
export function useIsMobile() {
return React.useSyncExternalStore(subscribe, getSnapshot, getServerSnapshot);
}