From f13e8eb412b9a35ebb662db989589110f25dc5fd Mon Sep 17 00:00:00 2001
From: schroda <50052685+schroda@users.noreply.github.com>
Date: Tue, 31 Dec 2024 17:17:54 +0100
Subject: [PATCH] Fix converting pages to double page mode

---
 src/modules/reader/utils/ReaderPager.utils.tsx | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/modules/reader/utils/ReaderPager.utils.tsx b/src/modules/reader/utils/ReaderPager.utils.tsx
index d8bf9a52..22157ee7 100644
--- a/src/modules/reader/utils/ReaderPager.utils.tsx
+++ b/src/modules/reader/utils/ReaderPager.utils.tsx
@@ -395,7 +395,7 @@ export const getDoublePageModePages = (
     // each spread page has to be counted as 2 pages and all trailing page numbers have to be increased by the count
     // of leading spread pages
     const pageToActualPageIndex = pagesToSpreadState.map(
-        (_, page) => page + pagesToSpreadState.slice(0, page).filter(Boolean).length,
+        (_, page) => page + pagesToSpreadState.slice(0, page).filter(({ isSpread }) => isSpread).length,
     );
 
     pageUrls.forEach((url, index) => {
@@ -443,8 +443,8 @@ export const getDoublePageModePages = (
         const isLastPage = index === pageUrls.length - 1;
         const hasSecondPage = isPrimaryPage && !isLastPage;
 
-        const isPrimaryPageSpreadPage = pagesToSpreadState[index];
-        const isSecondPageSpreadPage = pagesToSpreadState[secondPageIndex];
+        const isPrimaryPageSpreadPage = pagesToSpreadState[index].isSpread;
+        const isSecondPageSpreadPage = !!pagesToSpreadState[secondPageIndex]?.isSpread;
         const hasSpreadPage = isPrimaryPageSpreadPage || isSecondPageSpreadPage;
 
         const ignoreSecondPageDueToOffset = isFirstPage && shouldOffsetDoubleSpreads;