42 lines
951 B
TypeScript
42 lines
951 B
TypeScript
import { useState, useEffect } from 'react';
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import { ArrowUp } from 'lucide-react';
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export default function BackToTopButton() {
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const [isVisible, setIsVisible] = useState(false);
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useEffect(() => {
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const toggleVisibility = () => {
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// Show button when page is scrolled down 300px
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if (window.scrollY > 300) {
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setIsVisible(true);
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} else {
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setIsVisible(false);
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}
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};
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window.addEventListener('scroll', toggleVisibility);
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return () => {
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window.removeEventListener('scroll', toggleVisibility);
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};
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}, []);
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const scrollToTop = () => {
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window.scrollTo({
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top: 0,
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behavior: 'smooth',
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});
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};
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return (
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<button
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onClick={scrollToTop}
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className={`back-to-top ${isVisible ? 'back-to-top--visible' : ''}`}
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aria-label="Back to top"
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type="button"
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>
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<ArrowUp className="back-to-top__icon" aria-hidden="true" />
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</button>
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);
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}
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