From 16d0077387a4ecd9981caf0d627fe080a6c50422 Mon Sep 17 00:00:00 2001
From: Calixte Denizet <calixte.denizet@gmail.com>
Date: Thu, 9 Oct 2025 09:25:43 +0200
Subject: [PATCH] [Editor] Avoid to have a null button in the DOM when there's
 no comment manager

---
 src/display/editor/editor.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/display/editor/editor.js b/src/display/editor/editor.js
index c1066a86a..c418c533e 100644
--- a/src/display/editor/editor.js
+++ b/src/display/editor/editor.js
@@ -1177,6 +1177,9 @@ class AnnotationEditor {
   }
 
   addStandaloneCommentButton() {
+    if (!this._uiManager.hasCommentManager()) {
+      return;
+    }
     if (this.#commentStandaloneButton) {
       if (this._uiManager.isEditingMode()) {
         this.#commentStandaloneButton.classList.remove("hidden");