From a699e81dfcf098f800df04f50abfb9ef0e6c54c3 Mon Sep 17 00:00:00 2001
From: Artur Arseniev <artur.catch@hotmail.it>
Date: Sat, 14 Nov 2020 15:36:56 +0100
Subject: [PATCH] Add destroy method to Keymaps

---
 src/editor/model/Editor.js | 2 +-
 src/keymaps/index.js       | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/editor/model/Editor.js b/src/editor/model/Editor.js
index bd444b142..3ed09aec9 100644
--- a/src/editor/model/Editor.js
+++ b/src/editor/model/Editor.js
@@ -772,7 +772,7 @@ export default Backbone.Model.extend({
     UndoManager.clear().removeAll();
     Panels.getPanels().reset();
     Canvas.destroy();
-    Keymaps.removeAll();
+    Keymaps.destroy();
     RichTextEditor.destroy();
     LayerManager.destroy();
     AssetManager.destroy();
diff --git a/src/keymaps/index.js b/src/keymaps/index.js
index 3afc5f66f..7759e9e9d 100644
--- a/src/keymaps/index.js
+++ b/src/keymaps/index.js
@@ -213,6 +213,11 @@ export default () => {
     removeAll() {
       Object.keys(keymaps).forEach(keymap => this.remove(keymap));
       return this;
+    },
+
+    destroy() {
+      this.removeAll();
+      [em, config, keymaps].forEach(i => (i = {}));
     }
   };
 };