37 lines
788 B
TypeScript
37 lines
788 B
TypeScript
import { useSyncExternalStore } from 'react';
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const MOBILE_BREAKPOINT = 768;
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const mql =
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typeof window === 'undefined'
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? undefined
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: window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
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function mediaQueryListener(callback: (event: MediaQueryListEvent) => void) {
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if (!mql) {
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return () => {};
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}
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mql.addEventListener('change', callback);
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return () => {
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mql.removeEventListener('change', callback);
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};
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}
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function isSmallerThanBreakpoint(): boolean {
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return mql?.matches ?? false;
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}
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function getServerSnapshot(): boolean {
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return false;
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}
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export function useIsMobile(): boolean {
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return useSyncExternalStore(
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mediaQueryListener,
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isSmallerThanBreakpoint,
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getServerSnapshot,
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);
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}
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