From 5be7c7f456a1908db77ea08e6d364778182f3b70 Mon Sep 17 00:00:00 2001
From: 01zulfi <85733202+01zulfi@users.noreply.github.com>
Date: Wed, 10 Dec 2025 10:01:14 +0500
Subject: [PATCH] editor: hide horizontal rule if its under a collapsed heading
 (#9038)

Signed-off-by: 01zulfi <85733202+01zulfi@users.noreply.github.com>
---
 packages/editor/src/extensions/heading/heading.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/editor/src/extensions/heading/heading.ts b/packages/editor/src/extensions/heading/heading.ts
index 1d70848bb..d10d9dab1 100644
--- a/packages/editor/src/extensions/heading/heading.ts
+++ b/packages/editor/src/extensions/heading/heading.ts
@@ -44,7 +44,8 @@ const COLLAPSIBLE_BLOCK_TYPES = [
   "outlineList",
   "mathBlock",
   "webclip",
-  "embed"
+  "embed",
+  "horizontalRule"
 ];
 
 const HEADING_REGEX = /^(#{1,6})\s$/;