49 lines
1.1 KiB
TypeScript
49 lines
1.1 KiB
TypeScript
"use client";
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import { useEffect, useRef } from "react";
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/**
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* Lightweight scroll reveal via IntersectionObserver (no GSAP dependency
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* so it works even before the smooth-scroll module mounts). Adds .is-in.
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* CSS already shows content under reduced motion.
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*/
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export default function Reveal({
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children,
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as: Tag = "div",
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className = "",
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delay = 0,
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}: {
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children: React.ReactNode;
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as?: keyof React.JSX.IntrinsicElements;
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className?: string;
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delay?: number;
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}) {
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const ref = useRef<HTMLElement>(null);
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useEffect(() => {
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const el = ref.current;
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if (!el) return;
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const io = new IntersectionObserver(
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([e]) => {
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if (e.isIntersecting) {
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el.classList.add("is-in");
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io.disconnect();
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}
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},
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{ threshold: 0.15, rootMargin: "0px 0px -8% 0px" }
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);
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io.observe(el);
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return () => io.disconnect();
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}, []);
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const Comp = Tag as React.ElementType;
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return (
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<Comp
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ref={ref}
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className={`reveal ${className}`}
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style={{ transitionDelay: `${delay}ms` }}
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>
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{children}
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</Comp>
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);
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}
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