From 6bcfbdd44e6ddb7d51c3a3a0d87d8fcac3e646e3 Mon Sep 17 00:00:00 2001
From: Ryan Brandenburg <rybrande@microsoft.com>
Date: Wed, 18 Mar 2020 10:26:07 -0700
Subject: [PATCH] Check for undefined

---
 src/assets.ts | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/assets.ts b/src/assets.ts
index ac1591013..7de9c096e 100644
--- a/src/assets.ts
+++ b/src/assets.ts
@@ -304,7 +304,7 @@ export function createWebLaunchConfiguration(programPath: string, workingDirecto
     // Enable launching a web browser when ASP.NET Core starts. For more information: https://aka.ms/VSCode-CS-LaunchJson-WebBrowser
     "serverReadyAction": {
         "action": "openExternally",
-        "pattern": "^\\\\s*Now listening on:\\\\s+(https?://\\\\S+)"                
+        "pattern": "^\\\\s*Now listening on:\\\\s+(https?://\\\\S+)"
     },
     "env": {
         "ASPNETCORE_ENVIRONMENT": "Development"
@@ -549,7 +549,12 @@ async function promptToAddAssets(workspaceFolder: vscode.WorkspaceFolder) {
         if (!csharpConfig.get<boolean>('supressBuildAssetsNotification')) {
             vscode.window.showWarningMessage(
                 `Required assets to build and debug are missing from '${projectName}'. Add them?`, disableItem, noItem, yesItem)
-                .then(selection => resolve(selection.result));
+                .then(selection => {
+                    if (selection)
+                    {
+                        resolve(selection.result);
+                    }
+                });
         }
     });
 }