Songs2YT
41 lines
883 B
TypeScript
41 lines
883 B
TypeScript
"use client";
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import { useEffect, useRef, useState } from "react";
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type Options = {
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threshold?: number;
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rootMargin?: string;
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once?: boolean;
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};
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export function useInView<T extends HTMLElement = HTMLDivElement>({
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threshold = 0.15,
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rootMargin = "0px 0px -40px 0px",
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once = true,
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}: Options = {}) {
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const ref = useRef<T>(null);
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const [inView, setInView] = 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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setInView(true);
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if (once) observer.unobserve(el);
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} else if (!once) {
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setInView(false);
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}
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},
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{ threshold, rootMargin },
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);
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observer.observe(el);
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return () => observer.disconnect();
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}, [threshold, rootMargin, once]);
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return { ref, inView };
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}
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