From c057a4b9c73ce820e0c1a02797bf9f06bd638e86 Mon Sep 17 00:00:00 2001
From: Matt Bierner <matb@microsoft.com>
Date: Tue, 1 Oct 2019 17:09:46 -0700
Subject: [PATCH] Make sure we dispose of any custom editor inputs when
 replacing them

Fixes #81773
---
 .../workbench/contrib/customEditor/browser/customEditors.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/vs/workbench/contrib/customEditor/browser/customEditors.ts b/src/vs/workbench/contrib/customEditor/browser/customEditors.ts
index 20930bf6242..21a77e1b3a1 100644
--- a/src/vs/workbench/contrib/customEditor/browser/customEditors.ts
+++ b/src/vs/workbench/contrib/customEditor/browser/customEditors.ts
@@ -179,6 +179,12 @@ export class CustomEditorService implements ICustomEditorService {
 					replacement: input,
 					options: options ? EditorOptions.create(options) : undefined,
 				}], group);
+
+				for (const editor of existingEditors) {
+					if (editor instanceof CustomFileEditorInput) {
+						editor.dispose();
+					}
+				}
 			}
 		}
 		return this.editorService.openEditor(input, options, group);
-- 
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