30 lines
749 B
TypeScript
30 lines
749 B
TypeScript
import { useSyncExternalStore } from 'react';
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const MOBILE_BREAKPOINT = 768;
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function getMediaQueryList(): MediaQueryList | null {
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if (typeof window === 'undefined') return null;
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return window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
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}
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function subscribe(callback: () => void) {
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const mql = getMediaQueryList();
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if (!mql) return () => {};
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mql.addEventListener('change', callback);
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return () => mql.removeEventListener('change', callback);
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}
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function getSnapshot() {
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const mql = getMediaQueryList();
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return mql ? mql.matches : false;
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}
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function getServerSnapshot() {
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return false;
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}
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export function useIsMobile() {
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return useSyncExternalStore(subscribe, getSnapshot, getServerSnapshot);
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}
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