From 747b79d91585f90338a28eb0868b4d317d504e25 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 1 Apr 2026 01:01:41 +0000
Subject: [PATCH] Fix "target closed" error in BrowserViewDebugger by checking
 isDestroyed before detach

Agent-Logs-Url: https://github.com/microsoft/vscode/sessions/8233ab57-121b-4677-9a2b-aee47e824ba6

Co-authored-by: bryanchen-d <41454397+bryanchen-d@users.noreply.github.com>
---
 .../browserView/electron-main/browserViewDebugger.ts       | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/vs/platform/browserView/electron-main/browserViewDebugger.ts b/src/vs/platform/browserView/electron-main/browserViewDebugger.ts
index ebdbdb3bf3e..26208f9a464 100644
--- a/src/vs/platform/browserView/electron-main/browserViewDebugger.ts
+++ b/src/vs/platform/browserView/electron-main/browserViewDebugger.ts
@@ -168,6 +168,13 @@ export class BrowserViewDebugger extends Disposable implements ICDPTarget {
 		}
 
 		this._electronDebugger.removeListener('message', this._messageHandler);
+
+		// If the WebContents is already destroyed, there is nothing to detach from.
+		// This happens when disposal is triggered by the 'destroyed' event on the WebContents.
+		if (this.view.webContents.isDestroyed()) {
+			return;
+		}
+
 		try {
 			this._electronDebugger.detach();
 		} catch (error) {