59 lines
1.2 KiB
TypeScript
59 lines
1.2 KiB
TypeScript
"use client";
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import { useEffect, useRef, useState, type ReactNode } from "react";
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type Direction = "up" | "left" | "right";
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type Props = {
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children: ReactNode;
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className?: string;
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delay?: number;
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direction?: Direction;
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};
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const OFFSET: Record<Direction, string> = {
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up: "translate-y-10",
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left: "-translate-x-10",
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right: "translate-x-10",
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};
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export function ScrollReveal({
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children,
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className = "",
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delay = 0,
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direction = "up",
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}: 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 el = ref.current;
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if (!el) 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.unobserve(el);
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}
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},
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{ threshold: 0.15, rootMargin: "0px 0px -40px 0px" },
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);
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observer.observe(el);
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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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className={`transition-all duration-700 ease-out ${className} ${
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visible ? "translate-x-0 translate-y-0 opacity-100" : `opacity-0 ${OFFSET[direction]}`
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}`}
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style={{ transitionDelay: `${delay}ms` }}
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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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