From f9134083e5de152e051e1603fcd8815a7bedf71a Mon Sep 17 00:00:00 2001
From: rebornix <penn.lv@gmail.com>
Date: Wed, 9 Dec 2020 11:44:25 -0800
Subject: [PATCH] delay cell text model disposing.

---
 .../notebook/browser/diff/cellComponents.ts   | 21 +++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/vs/workbench/contrib/notebook/browser/diff/cellComponents.ts b/src/vs/workbench/contrib/notebook/browser/diff/cellComponents.ts
index 668cb4d2502..02e50301db8 100644
--- a/src/vs/workbench/contrib/notebook/browser/diff/cellComponents.ts
+++ b/src/vs/workbench/contrib/notebook/browser/diff/cellComponents.ts
@@ -28,6 +28,7 @@ import { INotificationService } from 'vs/platform/notification/common/notificati
 import { IAction } from 'vs/base/common/actions';
 import { createAndFillInActionBarActions } from 'vs/platform/actions/browser/menuEntryActionViewItem';
 import { IContextKeyService } from 'vs/platform/contextkey/common/contextkey';
+import { Delayer } from 'vs/base/common/async';
 
 const fixedEditorOptions: IEditorOptions = {
 	padding: {
@@ -1138,8 +1139,24 @@ export class ModifiedCell extends AbstractCellRenderer {
 		const modifiedRef = await modifiedCell.resolveTextModelRef();
 		const textModel = originalRef.object.textEditorModel;
 		const modifiedTextModel = modifiedRef.object.textEditorModel;
-		this._register(originalRef);
-		this._register(modifiedRef);
+		this._register({
+			dispose: () => {
+				const delayer = new Delayer<void>(5000);
+				delayer.trigger(() => {
+					originalRef.dispose();
+					delayer.dispose();
+				});
+			}
+		});
+		this._register({
+			dispose: () => {
+				const delayer = new Delayer<void>(5000);
+				delayer.trigger(() => {
+					modifiedRef.dispose();
+					delayer.dispose();
+				});
+			}
+		});
 
 		this._editor!.setModel({
 			original: textModel,
-- 
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