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apps/dashboard/src/hooks/use-mobile.ts 19 lines · 576 B · typescript
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import * as React from 'react';
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const MOBILE_BREAKPOINT = 768;
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export function useIsMobile() {
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  const [isMobile, setIsMobile] = React.useState<boolean | undefined>(undefined);
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  React.useEffect(() => {
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    const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
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    const onChange = () => {
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      setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
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    };
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    mql.addEventListener('change', onChange);
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    setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
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    return () => mql.removeEventListener('change', onChange);
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  }, []);
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  return !!isMobile;
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}