cleanup

src/renderer/components/item-list/item-detail-list/item-detail.tsx

@@ -15,7 +15,7 @@ import {
 } from 'react';
 import { useTranslation } from 'react-i18next';
 import { generatePath, Link } from 'react-router';
-import { List, RowComponentProps, useDynamicRowHeight } from 'react-window-v2';
+import { List, RowComponentProps, useDynamicRowHeight, useListRef } from 'react-window-v2';
 
 import styles from './item-detail.module.css';
 
@@ -73,7 +73,9 @@ interface ItemDetailListProps {
     itemCount?: number;
     items?: unknown[];
     onRangeChanged?: (range: { startIndex: number; stopIndex: number }) => Promise<void> | void;
+    onScrollEnd?: (rowIndex: number) => void;
     rowHeight?: number;
+    scrollOffset?: number;
 }
 
 interface RowData {
@@ -815,6 +817,8 @@ const DetailListHeader = memo(
 
 DetailListHeader.displayName = 'DetailListHeader';
 
+const SCROLL_END_DEBOUNCE_MS = 150;
+
 export const ItemDetailList = ({
     currentPage,
     data,
@@ -823,9 +827,13 @@ export const ItemDetailList = ({
     itemCount: externalItemCount,
     items,
     onRangeChanged,
+    onScrollEnd,
 }: ItemDetailListProps) => {
     const containerRef = useRef<HTMLDivElement>(null);
+    const listRef = useListRef(null);
+    const lastVisibleStartIndexRef = useRef(0);
     const queryClient = useQueryClient();
+
     const controls = useDefaultItemListControls();
     const isMutatingCreateFavorite = useIsMutatingCreateFavorite();
     const isMutatingDeleteFavorite = useIsMutatingDeleteFavorite();
@@ -909,6 +917,7 @@ export const ItemDetailList = ({
 
     const handleRowsRendered = useCallback(
         (range: { startIndex: number; stopIndex: number }) => {
+            lastVisibleStartIndexRef.current = range.startIndex;
             const el = headerLeftRef.current;
             if (el) {
                 const album = getItem?.(range.startIndex) as Album | undefined;
@@ -1017,8 +1026,27 @@ export const ItemDetailList = ({
             target: container,
         });
 
-        return () => osInstance()?.destroy();
-    }, [initialize, osInstance]);
+        let scrollEndTimeoutId: null | ReturnType<typeof setTimeout> = null;
+        const handleScroll = () => {
+            if (scrollEndTimeoutId) clearTimeout(scrollEndTimeoutId);
+            scrollEndTimeoutId = setTimeout(() => {
+                scrollEndTimeoutId = null;
+                onScrollEnd?.(lastVisibleStartIndexRef.current);
+            }, SCROLL_END_DEBOUNCE_MS);
+        };
+
+        if (onScrollEnd) {
+            viewport.addEventListener('scroll', handleScroll, { passive: true });
+        }
+
+        return () => {
+            if (onScrollEnd) {
+                viewport.removeEventListener('scroll', handleScroll);
+                if (scrollEndTimeoutId) clearTimeout(scrollEndTimeoutId);
+            }
+            osInstance()?.destroy();
+        };
+    }, [initialize, onScrollEnd, osInstance]);
 
     return (
         <div className={styles.wrapper}>
@@ -1033,6 +1061,7 @@ export const ItemDetailList = ({
             )}
             <div className={styles.container} ref={containerRef}>
                 <List
+                    listRef={listRef}
                     onRowsRendered={throttledHandleRowsRendered}
                     rowComponent={
                         RowComponent as (props: RowComponentProps<RowData>) => ReactElement

src/renderer/features/albums/components/album-list-infinite-detail.tsx

@@ -2,7 +2,6 @@ import { UseSuspenseQueryOptions } from '@tanstack/react-query';
 
 import { api } from '/@/renderer/api';
 import { useItemListInfiniteLoader } from '/@/renderer/components/item-list/helpers/item-list-infinite-loader';
-import { useItemListScrollPersist } from '/@/renderer/components/item-list/helpers/use-item-list-scroll-persist';
 import { ItemDetailList } from '/@/renderer/components/item-list/item-detail-list/item-detail';
 import { ItemListComponentProps } from '/@/renderer/components/item-list/types';
 import { albumQueries } from '/@/renderer/features/albums/api/album-api';
@@ -25,7 +24,6 @@ export const AlbumListInfiniteDetail = ({
         sortBy: AlbumListSort.NAME,
         sortOrder: SortOrder.ASC,
     },
-    saveScrollOffset = true,
     serverId,
 }: AlbumListInfiniteDetailProps) => {
     const listCountQuery = albumQueries.listCount({
@@ -45,10 +43,6 @@ export const AlbumListInfiniteDetail = ({
         serverId,
     });
 
-    const { handleOnScrollEnd, scrollOffset } = useItemListScrollPersist({
-        enabled: saveScrollOffset,
-    });
-
     return (
         <ItemDetailList
             data={loadedItems}

src/renderer/features/albums/components/album-list-paginated-detail.tsx

@@ -2,7 +2,6 @@ import { UseSuspenseQueryOptions } from '@tanstack/react-query';
 
 import { api } from '/@/renderer/api';
 import { useItemListPaginatedLoader } from '/@/renderer/components/item-list/helpers/item-list-paginated-loader';
-import { useItemListScrollPersist } from '/@/renderer/components/item-list/helpers/use-item-list-scroll-persist';
 import { ItemDetailList } from '/@/renderer/components/item-list/item-detail-list/item-detail';
 import { ItemListWithPagination } from '/@/renderer/components/item-list/item-list-pagination/item-list-pagination';
 import { useItemListPagination } from '/@/renderer/components/item-list/item-list-pagination/use-item-list-pagination';
@@ -27,7 +26,6 @@ export const AlbumListPaginatedDetail = ({
         sortBy: AlbumListSort.NAME,
         sortOrder: SortOrder.ASC,
     },
-    saveScrollOffset = true,
     serverId,
 }: AlbumListPaginatedDetailProps) => {
     const listCountQuery = albumQueries.listCount({
@@ -50,10 +48,6 @@ export const AlbumListPaginatedDetail = ({
         serverId,
     });
 
-    const { handleOnScrollEnd, scrollOffset } = useItemListScrollPersist({
-        enabled: saveScrollOffset,
-    });
-
     return (
         <ItemListWithPagination
             currentPage={currentPage}

src/renderer/features/shared/mutations/favorite-optimistic-updates.ts

@@ -531,7 +531,7 @@ export const applyFavoriteOptimisticUpdates = (
                     pendingUpdates.push({
                         previousData: data,
                         queryKey,
-                        updater: (prev: { items: Song[] } | undefined) => {
+                        updater: (prev: undefined | { items: Song[] }) => {
                             if (!prev) return prev;
                             const updatedItems = updateItemInArray(prev.items, itemIdSet, (item) =>
                                 createFavoriteUpdater<Song>(item),
@@ -701,10 +701,7 @@ export const applyFavoriteOptimisticUpdatesDeferred = (
                 queryKeys.playlists.songList(variables.apiClientProps.serverId),
                 'playlist-song-list',
             );
-            collectQueries(
-                queryKeys.songs.list(variables.apiClientProps.serverId),
-                'song-list',
-            );
+            collectQueries(queryKeys.songs.list(variables.apiClientProps.serverId), 'song-list');
             collectQueries(
                 queryKeys.albumArtists.topSongs(variables.apiClientProps.serverId),
                 'top-songs',