Print apphost exit message in debug console and add TypeScript Azure Functions playground sample

extension/package.nls.json

@@ -76,6 +76,7 @@
 	"aspire-vscode.strings.csharpSupportNotEnabled": "C# support is not enabled in this workspace. This project should have started through the Aspire CLI.",
 	"aspire-vscode.strings.failedToStartProject": "Failed to start project: {0}.",
   "aspire-vscode.strings.dcpServerNotInitialized": "DCP server not initialized - cannot forward debug output.",
+  "aspire-vscode.strings.appHostSessionTerminated": "The apphost process has terminated. To view console output, select the apphost session from the debug console dropdown.",
   "aspire-vscode.strings.invalidTokenProvided": "Invalid token provided.",
   "aspire-vscode.strings.noWorkspaceFolder": "No workspace folder found.",
   "aspire-vscode.strings.aspireConfigExists": "Aspire launch configuration already exists in launch.json.",

extension/src/debugger/AspireDebugSession.ts

@@ -6,8 +6,10 @@ import { AspireResourceExtendedDebugConfiguration, AspireResourceDebugSession, E
 import { extensionLogOutputChannel } from "../utils/logging";
 import AspireDcpServer, { generateDcpIdPrefix } from "../dcp/AspireDcpServer";
 import { spawnCliProcess } from "./languages/cli";
-import { disconnectingFromSession, launchingWithAppHost, launchingWithDirectory, processExceptionOccurred, processExitedWithCode, aspireDashboard } from "../loc/strings";
+import { disconnectingFromSession, launchingWithAppHost, launchingWithDirectory, processExceptionOccurred, processExitedWithCode, aspireDashboard, appHostSessionTerminated } from "../loc/strings";
 import { projectDebuggerExtension } from "./languages/dotnet";
+import { AnsiColors } from "../utils/AspireTerminalProvider";
+import { applyTextStyle } from "../utils/strings";
 import { nodeDebuggerExtension } from "./languages/node";
 import { cleanupRun } from "./runCleanupRegistry";
 import AspireRpcServer from "../server/AspireRpcServer";
@@ -239,13 +241,16 @@ export class AspireDebugSession implements vscode.DebugAdapter {
       // When the user clicks "restart" on the app host child session,
       // we suppress VS Code's automatic child restart and restart the
       // entire Aspire debug session instead.
-      this.createDebugAdapterTrackerCore(debuggerExtension.debugAdapter, (debugSessionId) => {
-        if (debugSessionId === this.debugSessionId) {
-          this._appHostRestartRequested = true;
-          return true; // suppress VS Code's child restart
+      this.createDebugAdapterTrackerCore(
+        debuggerExtension.debugAdapter,
+        (debugSessionId) => {
+          if (debugSessionId === this.debugSessionId) {
+            this._appHostRestartRequested = true;
+            return true; // suppress VS Code's child restart
+          }
+          return false;
         }
-        return false;
-      });
+      );
 
       let appHostArgs: string[];
       let launchConfig;
@@ -290,6 +295,10 @@ export class AspireDebugSession implements vscode.DebugAdapter {
 
       const disposable = vscode.debug.onDidTerminateDebugSession(async session => {
         if (this._appHostDebugSession && session.id === this._appHostDebugSession.id) {
+          if (!this._appHostRestartRequested) {
+            this.sendMessageWithEmoji("ℹ️", applyTextStyle(appHostSessionTerminated, AnsiColors.Yellow));
+          }
+
           // Only restart the Aspire session when the user explicitly clicked
           // "restart" on the app host debug toolbar (detected via DAP tracker).
           // All other cases (user stop, process crash/exit) just dispose.

extension/src/loc/strings.ts

@@ -42,6 +42,7 @@ export const failedToStartPythonProgram = (errorMessage: string) => vscode.l10n.
 export const csharpSupportNotEnabled = vscode.l10n.t('C# support is not enabled in this workspace. This project should have started through the Aspire CLI.');
 export const failedToStartProject = (errorMessage: string) => vscode.l10n.t('Failed to start project: {0}.', errorMessage);
 export const dcpServerNotInitialized = vscode.l10n.t('DCP server not initialized - cannot forward debug output.');
+export const appHostSessionTerminated = vscode.l10n.t('The apphost process has terminated. To view console output, select the apphost session from the debug console dropdown.');
 export const invalidTokenProvided = vscode.l10n.t('Invalid token provided.');
 export const noWorkspaceFolder = vscode.l10n.t('No workspace folder found.');
 export const aspireConfigExists = vscode.l10n.t('Aspire launch configuration already exists in launch.json.');

extension/src/utils/AspireTerminalProvider.ts

@@ -10,6 +10,7 @@ import path from 'path';
 
 export const enum AnsiColors {
     Green = '\x1b[32m',
+    Yellow = '\x1b[33m',
     Blue = '\x1b[34m',
 }
 

playground/TypeScriptApps/AzureFunctionsSample/.vscode/launch.json

@@ -0,0 +1,11 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "aspire",
+      "request": "launch",
+      "name": "Aspire: Launch default apphost",
+      "program": "${workspaceFolder}"
+    }
+  ]
+}

playground/TypeScriptApps/AzureFunctionsSample/AppHost/.modules/.codegen-hash

@@ -0,0 +1 @@
+02C050302BF2388A87AE0E8B5C0E64E0146DBFA457409DA99D8EBF1DD30A95B6