added infinite scroll functionality

apps/web/src/api/buster_rest/search/queryRequests.ts

@@ -1,13 +1,9 @@
-import type { SearchTextResponse } from '@buster/server-shared/search';
-import {
-  keepPreviousData,
-  type UseQueryOptions,
-  useInfiniteQuery,
-  useQuery,
-} from '@tanstack/react-query';
+import type { SearchTextData, SearchTextResponse } from '@buster/server-shared/search';
+import { keepPreviousData, type UseQueryOptions, useQuery } from '@tanstack/react-query';
 import { useState } from 'react';
 import type { ApiError } from '@/api/errors';
 import { getSearchResultInfinite, searchQueryKeys } from '@/api/query_keys/search';
+import { useInfiniteScroll } from '@/api/query-helpers';
 import { search } from './requests';
 
 export const useSearch = <T = SearchTextResponse>(
@@ -31,17 +27,10 @@ export const useSearchInfinite = (
 ) => {
   const [searchQuery, setSearchQuery] = useState<string>('');
 
-  const queryResult = useInfiniteQuery({
+  const queryResult = useInfiniteScroll<SearchTextData>({
     queryKey: ['search', 'results', 'infinite', params] as const,
-    staleTime: 1000 * 30, // 30 seconds,
+    staleTime: 1000 * 30, // 30 seconds
     queryFn: ({ pageParam = 1 }) => search({ query: searchQuery, page: pageParam, ...params }),
-    getNextPageParam: (lastPage) => {
-      if (!lastPage.pagination.has_more) {
-        return undefined;
-      }
-      return lastPage.pagination.page + 1;
-    },
-    initialPageParam: 1,
   });
 
   return { ...queryResult, setSearchQuery, searchQuery };

apps/web/src/routes/app/_app/test-pagination.tsx

@@ -1,36 +1,19 @@
-import { useInfiniteQuery } from '@tanstack/react-query';
 import { createFileRoute } from '@tanstack/react-router';
-import { useEffect, useRef } from 'react';
-import { search, useSearchInfinite } from '@/api/buster_rest/search';
+import { useSearchInfinite } from '@/api/buster_rest/search';
 
 export const Route = createFileRoute('/app/_app/test-pagination')({
   component: RouteComponent,
 });
 
 function RouteComponent() {
-  const { data, fetchNextPage, hasNextPage, isFetchingNextPage, isLoading } = useSearchInfinite();
-  const scrollContainerRef = useRef<HTMLDivElement>(null);
-
-  // Combine all pages into a single array of results
-  const allResults = data?.pages.flatMap((page) => page.data) ?? [];
-
-  useEffect(() => {
-    const container = scrollContainerRef.current;
-    if (!container) return;
-
-    const handleScroll = () => {
-      const { scrollTop, scrollHeight, clientHeight } = container;
-      // Trigger when user is within 100px of the bottom
-      if (scrollHeight - scrollTop - clientHeight < 100) {
-        if (hasNextPage && !isFetchingNextPage) {
-          fetchNextPage();
-        }
-      }
-    };
-
-    container.addEventListener('scroll', handleScroll);
-    return () => container.removeEventListener('scroll', handleScroll);
-  }, [hasNextPage, isFetchingNextPage, fetchNextPage]);
+  const {
+    scrollContainerRef,
+    allResults,
+    hasNextPage,
+    isFetchingNextPage,
+    isLoading,
+    fetchNextPage,
+  } = useSearchInfinite();
 
   return (
     <div