47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
import React, {useState, useEffect} from 'react';
|
|
import {Button} from 'reactstrap';
|
|
import {FaCircleArrowUp} from 'react-icons/fa6';
|
|
|
|
export function ScrollToTopButton() {
|
|
const [isVisible, setIsVisible] = useState(false);
|
|
|
|
useEffect(() => {
|
|
const handleScroll = () => {
|
|
if (window.scrollY > 1.5 * window.innerHeight) {
|
|
setIsVisible(true);
|
|
} else {
|
|
setIsVisible(false);
|
|
}
|
|
};
|
|
window.addEventListener('scroll', handleScroll);
|
|
return () => window.removeEventListener('scroll', handleScroll);
|
|
}, []);
|
|
|
|
const scrollToTop = () => {
|
|
window.scrollTo({top: 0, behavior: 'smooth'});
|
|
};
|
|
|
|
return (
|
|
<Button
|
|
onClick={scrollToTop}
|
|
style={{
|
|
position: 'fixed',
|
|
bottom: '20px',
|
|
right: '20px',
|
|
borderRadius: '50%',
|
|
width: '50px',
|
|
height: '50px',
|
|
zIndex: 999,
|
|
transition: 'opacity 0.5s ease-in-out',
|
|
opacity: isVisible ? 0.7 : 0,
|
|
pointerEvents: isVisible ? 'auto' : 'none',
|
|
display: 'flex',
|
|
alignItems: 'center',
|
|
justifyContent: 'center'
|
|
}}
|
|
>
|
|
<FaCircleArrowUp style={{fontSize: '36px'}}/>
|
|
</Button>
|
|
);
|
|
}
|