From 13786930eb36464d852e2cf65182babc7cff72ab Mon Sep 17 00:00:00 2001
From: Roman <ixrock@gmail.com>
Date: Thu, 30 Sep 2021 15:06:18 +0300
Subject: [PATCH] fix: Uncaught Error: ModelService: Cannot add model because
 it already exists! (how-to-reproduce: open/close dock with tabs)

Signed-off-by: Roman <ixrock@gmail.com>
---
 src/renderer/components/monaco-editor/monaco-editor.tsx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/renderer/components/monaco-editor/monaco-editor.tsx b/src/renderer/components/monaco-editor/monaco-editor.tsx
index 165177facd..148998fa1d 100644
--- a/src/renderer/components/monaco-editor/monaco-editor.tsx
+++ b/src/renderer/components/monaco-editor/monaco-editor.tsx
@@ -103,6 +103,12 @@ export class MonacoEditor extends React.Component<Props> {
     }
   };
 
+  componentWillUnmount() {
+    logger.info(`[MONACO]: unmounting editor..`);
+    MonacoEditor.models.get(this).forEach(model => model.dispose());
+    MonacoEditor.models.delete(this);
+  }
+
   createUri(id: string): monaco.Uri {
     return monaco.Uri.file(`/monaco-editor/${id}`);
   }