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Merge pull request #253 from FinalDoubleTen/dev
투표 취소 기능 / ScrollToTop 버튼 추가
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,42 @@ | ||
import { TopIcon } from '@components/common/icons/Icons'; | ||
import { useEffect, useState } from 'react'; | ||
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const ScrollTopButton = () => { | ||
const [visible, setVisible] = useState<boolean>(false); | ||
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const checkScrollTop = () => { | ||
if (!visible && window.scrollY > 300) { | ||
setVisible(true); | ||
} else if (visible && window.scrollY <= 300) { | ||
setVisible(false); | ||
} | ||
}; | ||
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useEffect(() => { | ||
window.addEventListener('scroll', checkScrollTop); | ||
return () => { | ||
window.removeEventListener('scroll', checkScrollTop); | ||
}; | ||
}, [visible]); | ||
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const scrollToTop = () => { | ||
window.scrollTo({ top: 0, behavior: 'smooth' }); | ||
}; | ||
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if (!visible) { | ||
return null; | ||
} | ||
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return ( | ||
<div | ||
className="sticky bottom-[20px] | ||
mt-[-50px] flex h-12 w-12 cursor-pointer items-center justify-center rounded-full bg-white shadow-md" | ||
style={{ left: 'calc(100%)' }}> | ||
<button onClick={scrollToTop}> | ||
<TopIcon /> | ||
</button> | ||
</div> | ||
); | ||
}; | ||
|
||
export default ScrollTopButton; |
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