50 lines
887 B
TypeScript
50 lines
887 B
TypeScript
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'use client';
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import {
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useEffect,
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useRef,
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useState,
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type CSSProperties,
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type ReactNode,
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} from 'react';
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type Props = {
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children: ReactNode;
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delay?: number;
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};
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// Fades content up as it scrolls into view.
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const Reveal = ({ children, delay = 0 }: Props) => {
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const ref = useRef<HTMLDivElement>(null);
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const [visible, setVisible] = useState(false);
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useEffect(() => {
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const node = ref.current;
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if (!node) return;
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const observer = new IntersectionObserver(
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([entry]) => {
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if (entry.isIntersecting) {
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setVisible(true);
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observer.disconnect();
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}
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},
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{ threshold: 0.12 },
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);
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observer.observe(node);
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return () => observer.disconnect();
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}, []);
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return (
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<div
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ref={ref}
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data-visible={visible}
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className="reveal"
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style={{ '--reveal-delay': `${delay}ms` } as CSSProperties}
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>
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{children}
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</div>
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);
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};
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export default Reveal;
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