/* eslint-disable */ import { RefObject, useEffect } from 'react'; import useRafState from './useRafState'; export interface State { x: number; y: number; } const useScroll = (ref: RefObject): State => { if (process.env.NODE_ENV === 'development') { if (typeof ref !== 'object' || typeof ref.current === 'undefined') { console.error('`useScroll` expects a single ref argument.'); } } const [state, setState] = useRafState({ x: 0, y: 0, }); useEffect(() => { const handler = () => { if (ref.current) { setState({ x: ref.current.scrollLeft, y: ref.current.scrollTop, }); } }; if (ref.current) { ref.current.addEventListener('scroll', handler, { capture: false, passive: true, }); } return () => { if (ref.current) { ref.current.removeEventListener('scroll', handler); } }; }, [ref]); return state; }; export default useScroll;