From c69b85afc84a2400bb113eb16eb266551b251c95 Mon Sep 17 00:00:00 2001
From: soufiane <soufiane@cubedesigners.com>
Date: Thu, 5 Mar 2026 11:19:24 +0100
Subject: [PATCH] wait #8038 @1:30

---
 resources/markdowneditor/js/markdowneditor.js    | 16 ++++++++++++++++
 .../markdowneditor/js/markdowneditor.undo.js     |  2 +-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/resources/markdowneditor/js/markdowneditor.js b/resources/markdowneditor/js/markdowneditor.js
index f181745fc..b02912d2e 100644
--- a/resources/markdowneditor/js/markdowneditor.js
+++ b/resources/markdowneditor/js/markdowneditor.js
@@ -174,6 +174,22 @@ MarkdownEditor.prototype = {
             $this.undo.pushState()
             $this.save.hasChanged()
         })
+
+        const observerOptions = {
+            childList: true,
+            subtree: true,
+        };
+
+        const observer = new MutationObserver((records, observer) => {
+            $this.undo.pushState()
+            $this.save.hasChanged()
+            for (const record of records) {
+                if (record.target.childNodes.length === 0) {
+                    observer.disconnect();
+                }
+            }
+        });
+        observer.observe(document.querySelector('.toastui-editor-main'), observerOptions);
     },
 
     initIcons: function () {
diff --git a/resources/markdowneditor/js/markdowneditor.undo.js b/resources/markdowneditor/js/markdowneditor.undo.js
index dd81a6893..a4c4333cd 100644
--- a/resources/markdowneditor/js/markdowneditor.undo.js
+++ b/resources/markdowneditor/js/markdowneditor.undo.js
@@ -71,7 +71,7 @@ MarkdowneditorUndo.prototype = {
 
         let cs = this.markdowneditor.editor.getMarkdown();
         let ps = this.states[this.markdowneditor.getCurrentPage()][index - 1];
-        if (ps == cs) {
+        if (ps === cs) {
             console.log('skipped : no change');
             return;
         }
-- 
2.39.5