remove duplicated component

apps/app/src/components/Sidebar/InfiniteScroll.tsx

@@ -1,75 +0,0 @@
-import React, {
-  Ref, useEffect, useState,
-} from 'react';
-
-import type { SWRInfiniteResponse } from 'swr/infinite';
-
-type Props<T> = {
-  swrInifiniteResponse : SWRInfiniteResponse<T>
-  children: React.ReactNode,
-  loadingIndicator?: React.ReactNode
-  endingIndicator?: React.ReactNode
-  isReachingEnd?: boolean,
-  offset?: number
-}
-
-const useIntersection = <E extends HTMLElement>(): [boolean, Ref<E>] => {
-  const [intersecting, setIntersecting] = useState<boolean>(false);
-  const [element, setElement] = useState<HTMLElement>();
-  useEffect(() => {
-    if (element != null) {
-      const observer = new IntersectionObserver((entries) => {
-        setIntersecting(entries[0]?.isIntersecting);
-      });
-      observer.observe(element);
-      return () => observer.unobserve(element);
-    }
-    return;
-  }, [element]);
-  return [intersecting, el => el && setElement(el)];
-};
-
-const LoadingIndicator = (): React.ReactElement => {
-  return (
-    <div className="text-muted text-center">
-      <i className="fa fa-2x fa-spinner fa-pulse mr-1"></i>
-    </div>
-  );
-};
-
-const InfiniteScroll = <E, >(props: Props<E>): React.ReactElement<Props<E>> => {
-  const {
-    swrInifiniteResponse: {
-      setSize, isValidating,
-    },
-    children,
-    loadingIndicator,
-    endingIndicator,
-    isReachingEnd,
-    offset = 0,
-  } = props;
-
-  const [intersecting, ref] = useIntersection<HTMLDivElement>();
-
-  useEffect(() => {
-    if (intersecting && !isValidating && !isReachingEnd) {
-      setSize(size => size + 1);
-    }
-  }, [setSize, intersecting, isValidating, isReachingEnd]);
-
-  return (
-    <>
-      { children }
-
-      <div style={{ position: 'relative' }}>
-        <div ref={ref} style={{ position: 'absolute', top: offset }}></div>
-        {isReachingEnd
-          ? endingIndicator
-          : loadingIndicator || <LoadingIndicator />
-        }
-      </div>
-    </>
-  );
-};
-
-export default InfiniteScroll;