fix: types for react 19

Author: karl-run

src/component/index.tsx

@@ -1,4 +1,4 @@
-import type { MutableRefObject } from 'react'
+import type { MutableRefObject, JSX } from 'react'
 import useBottomScrollListener, { type DebounceOptions } from '../hook'
 
 export interface BottomScrollListenerProps {

src/hook/index.tsx

@@ -31,7 +31,7 @@ function useBottomScrollListener<T extends HTMLElement>(
     debounceOptions?: DebounceOptions
     triggerOnNoScroll?: boolean
   },
-): RefObject<T> {
+): RefObject<T | null> {
   const { offset, triggerOnNoScroll, debounce, debounceOptions } = useMemo(
     () => ({
       offset: options?.offset ?? 0,