From cb016c4307107d3e7ea57df3b8cbfce0ef457bd0 Mon Sep 17 00:00:00 2001
From: Wael Nasreddine <wael.nasreddine@gmail.com>
Date: Thu, 25 Dec 2025 16:26:58 -0800
Subject: [PATCH] Address Gemini's comment

---
 packages/share-theme/src/templates/prev_next.ejs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/packages/share-theme/src/templates/prev_next.ejs b/packages/share-theme/src/templates/prev_next.ejs
index ddc4919f8..38441d2c1 100644
--- a/packages/share-theme/src/templates/prev_next.ejs
+++ b/packages/share-theme/src/templates/prev_next.ejs
@@ -16,8 +16,13 @@
         // should go to the end of the previous tree
         let candidate = children[index - 1];
         while (candidate?.hasVisibleChildren()) {
-            const children = candidate.getVisibleChildNotes();
-            candidate = children[children.length - 1];
+            const visibleChildren = candidate.getVisibleChildNotes();
+
+            if (visibleChildren.length === 0) {
+                break;
+            }
+
+            candidate = visibleChildren[visibleChildren.length - 1];
         }
 
         return candidate ?? null;