From ecd628a1d571798e2b1b657e3b30847b7fe7d627 Mon Sep 17 00:00:00 2001
From: schroda <50052685+schroda@users.noreply.github.com>
Date: Mon, 15 Jun 2026 15:29:58 +0200
Subject: [PATCH] Fix preserving scroll position on leading page render

4f10cb06e32d38ff95c5109525bee71672e38cc8 didn't fix it properly
---
 src/features/reader/viewer/ReaderViewer.tsx           |  1 -
 .../viewer/hooks/useReaderPreserveScrollPosition.ts   | 11 ++---------
 2 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/src/features/reader/viewer/ReaderViewer.tsx b/src/features/reader/viewer/ReaderViewer.tsx
index d3de8fe2..0a45f9f4 100644
--- a/src/features/reader/viewer/ReaderViewer.tsx
+++ b/src/features/reader/viewer/ReaderViewer.tsx
@@ -233,7 +233,6 @@ const BaseReaderViewer = ({
         pageScaleMode,
         shouldStretchPage,
         readerWidth,
-        themeDirection,
     );
 
     useLayoutEffect(() => {
diff --git a/src/features/reader/viewer/hooks/useReaderPreserveScrollPosition.ts b/src/features/reader/viewer/hooks/useReaderPreserveScrollPosition.ts
index 091a45fe..df2082c4 100644
--- a/src/features/reader/viewer/hooks/useReaderPreserveScrollPosition.ts
+++ b/src/features/reader/viewer/hooks/useReaderPreserveScrollPosition.ts
@@ -24,7 +24,6 @@ import {
 import { getPreviousNextChapterVisibility } from '@/features/reader/Reader.utils.ts';
 import type { ChapterIdInfo, TChapterReader } from '@/features/chapter/Chapter.types.ts';
 import { getReaderPagesStore, getReaderSettingsStore } from '@/features/reader/stores/ReaderStore.ts';
-import type { Direction } from '@mui/material/styles';
 
 const shouldPreserveOnResizeChange = (
     readingMode: ReadingMode,
@@ -182,7 +181,6 @@ const usePreserveOnLeadingPageRender = (
     scrollElementRef: RefObject<HTMLElement | null>,
     readingMode: ReadingMode,
     readingDirection: ReadingDirection,
-    themeDirection: Direction,
 ) => {
     const preservationDataRef = useScrollPreservationData(scrollElementRef);
 
@@ -218,10 +216,6 @@ const usePreserveOnLeadingPageRender = (
                     return entry.target.offsetTop < top;
                 }
 
-                if (themeDirection === 'rtl') {
-                    return entry.target.offsetLeft < left;
-                }
-
                 return readingDirection === ReadingDirection.LTR
                     ? entry.target.offsetLeft < left
                     : entry.target.offsetLeft > left;
@@ -263,7 +257,7 @@ const usePreserveOnLeadingPageRender = (
             mutationObserver.disconnect();
             resizeObserver.disconnect();
         };
-    }, [isContinuousReadingModeActive, isContinuousVerticalReadingModeActive]);
+    }, [isContinuousReadingModeActive, isContinuousVerticalReadingModeActive, readingDirection]);
 };
 
 const usePreserveOnInfiniteScrollPreviousChapterInitialRender = (
@@ -376,7 +370,6 @@ export const useReaderPreserveScrollPosition = (
     pageScaleMode: ReaderPageScaleMode,
     shouldStretchPage: boolean,
     readerWidth: IReaderSettingsManga['readerWidth'],
-    themeDirection: Direction,
 ) => {
     usePreserveOnInfiniteScrollPreviousChapterInitialRender(
         scrollElementRef,
@@ -387,7 +380,7 @@ export const useReaderPreserveScrollPosition = (
         visibleChapters,
         isContinuousReadingMode(readingMode),
     );
-    usePreserveOnLeadingPageRender(scrollElementRef, readingMode, readingDirection, themeDirection);
+    usePreserveOnLeadingPageRender(scrollElementRef, readingMode, readingDirection);
     usePreserveOnWindowResize(readingMode, pageScaleMode, currentPageIndex);
     usePreserveOnValueChange(readingDirection, currentPageIndex);
     usePreserveOnValueChange(readingMode, currentPageIndex);