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Fix use-mobile for ssr #192

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Fix use-mobile for ssr #192

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602f46a
Fix use-mobile for ssr
Manavsaliya Oct 21, 2025
0124d18
Merge branch 'laravel:main' into fix/use-mobile-for-ssr
Manavsaliya Oct 25, 2025
ad8f354
move server snapshot outside of the hook to use the same reference.
Manavsaliya Oct 25, 2025
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21 changes: 15 additions & 6 deletions resources/js/hooks/use-mobile.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -2,20 +2,29 @@ import { useSyncExternalStore } from 'react';

const MOBILE_BREAKPOINT = 768;

const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
const mql = (): MediaQueryList | null => {
if (typeof window === 'undefined') return null;
return window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
};

function mediaQueryListener(callback: (event: MediaQueryListEvent) => void) {
mql.addEventListener('change', callback);
mql()?.addEventListener('change', callback);

return () => {
mql.removeEventListener('change', callback);
mql()?.removeEventListener('change', callback);
};
}

function isSmallerThanBreakpoint() {
return mql.matches;
function isSmallerThanBreakpoint(): boolean {
return mql()?.matches || false;
}

const getServerSnapshot = (): boolean => false;

export function useIsMobile() {
return useSyncExternalStore(mediaQueryListener, isSmallerThanBreakpoint);
return useSyncExternalStore(
mediaQueryListener,
isSmallerThanBreakpoint,
getServerSnapshot,
);
}