From 3d2a625bb65df4a71d0d575b9672590a5c4b5716 Mon Sep 17 00:00:00 2001
From: Artur Arseniev <artur.catch@hotmail.it>
Date: Thu, 28 Apr 2022 16:13:03 +0200
Subject: [PATCH] Ensure id on pages

---
 src/pages/model/Page.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/pages/model/Page.js b/src/pages/model/Page.js
index 76b7b7f82..74d8b1917 100644
--- a/src/pages/model/Page.js
+++ b/src/pages/model/Page.js
@@ -24,8 +24,9 @@ export default class Page extends Model {
     const frames = new Frames(frms, config);
     frames.page = this;
     this.set('frames', frames);
-    const um = em && em.get('UndoManager');
-    um && um.add(frames);
+    !this.getId() && this.set('id', em?.get('PageManager')._createId());
+    const um = em?.get('UndoManager');
+    um?.add(frames);
   }
 
   onRemove() {