spacedrive/interface/hooks/useScrolled.tsx

21 lines
518 B
TypeScript
Raw Normal View History

import { useEffect, useState } from 'react';
export const useScrolled = (ref: React.RefObject<HTMLDivElement>, y = 1) => {
const [isScrolled, setIsScrolled] = useState(false);
useEffect(() => {
const onScroll = () => {
if (ref.current) {
if (ref.current.scrollTop >= y) setIsScrolled(true);
else setIsScrolled(false);
}
};
onScroll();
ref.current?.addEventListener('scroll', onScroll);
() => ref.current?.removeEventListener('scroll', onScroll);
}, [ref, y]);
return { isScrolled };
};