From 6da42fac20c73567ceb235e1bcbd121f82f53bf8 Mon Sep 17 00:00:00 2001
From: Elian Doran <contact@eliandoran.me>
Date: Fri, 19 Dec 2025 23:32:58 +0200
Subject: [PATCH] feat(right_pane_widget): handle zero headings

---
 apps/client/src/translations/en/translation.json    |  3 ++-
 apps/client/src/widgets/sidebar/TableOfContents.tsx | 10 +++++++---
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/apps/client/src/translations/en/translation.json b/apps/client/src/translations/en/translation.json
index fc3bd5879..458ea6b0c 100644
--- a/apps/client/src/translations/en/translation.json
+++ b/apps/client/src/translations/en/translation.json
@@ -1796,7 +1796,8 @@
   },
   "toc": {
     "table_of_contents": "Table of Contents",
-    "options": "Options"
+    "options": "Options",
+    "no_headings": "No headings."
   },
   "watched_file_update_status": {
     "file_last_modified": "File <code class=\"file-path\"></code> has been last modified on <span class=\"file-last-modified\"></span>.",
diff --git a/apps/client/src/widgets/sidebar/TableOfContents.tsx b/apps/client/src/widgets/sidebar/TableOfContents.tsx
index 48c5217e9..b58c2d8c4 100644
--- a/apps/client/src/widgets/sidebar/TableOfContents.tsx
+++ b/apps/client/src/widgets/sidebar/TableOfContents.tsx
@@ -40,9 +40,13 @@ function AbstractTableOfContents<T extends RawHeading>({ headings, scrollToHeadi
     const nestedHeadings = buildHeadingTree(headings);
     return (
         <span className="toc">
-            <ol>
-                {nestedHeadings.map(heading => <TableOfContentsHeading key={heading.id} heading={heading} scrollToHeading={scrollToHeading} />)}
-            </ol>
+            {nestedHeadings.length > 0 ? (
+                <ol>
+                    {nestedHeadings.map(heading => <TableOfContentsHeading key={heading.id} heading={heading} scrollToHeading={scrollToHeading} />)}
+                </ol>
+            ) : (
+                <div className="no-headings">{t("toc.no_headings")}</div>
+            )}
         </span>
     );
 }