Implement jsdbg command for debugging Node.js from any terminal

Co-authored-by: hediet <2931520+hediet@users.noreply.github.com>

Author: Copilot

src/extension.ts

@@ -25,6 +25,7 @@ import { debugNpmScript } from './ui/debugNpmScript';
 import { DebugSessionTracker } from './ui/debugSessionTracker';
 import { registerDebugTerminalUI } from './ui/debugTerminalUI';
 import { ExtensionApiFactory } from './ui/extensionApi';
+import { registerJsdbgCommand } from './ui/jsdbgCommand';
 import { attachProcess, pickProcess } from './ui/processPicker';
 import { registerProfilingCommand } from './ui/profiling';
 import { registerRequestCDPProxy } from './ui/requestCDPProxy';
@@ -104,6 +105,7 @@ export function activate(context: vscode.ExtensionContext): IExports {
   registerCompanionBrowserLaunch(context);
   registerCustomBreakpointsUI(context, debugSessionTracker);
   registerDebugTerminalUI(context, services.get(DelegateLauncherFactory), services);
+  registerJsdbgCommand(context);
   registerProfilingCommand(context, services);
   registerAutoAttach(context, services.get(DelegateLauncherFactory), services);
   registerRevealPage(context, debugSessionTracker);

src/ui/jsdbgCommand.ts

@@ -0,0 +1,62 @@
+/*---------------------------------------------------------
+ * Copyright (C) Microsoft Corporation. All rights reserved.
+ *--------------------------------------------------------*/
+
+import * as vscode from 'vscode';
+import { Commands } from '../common/contributionUtils';
+
+/**
+ * Registers the jsdbg command terminal integration.
+ * This allows users to run `jsdbg node myScript.js` in any terminal
+ * to start a debug session, similar to the JavaScript Debug Terminal.
+ */
+export function registerJsdbgCommand(context: vscode.ExtensionContext) {
+  // Listen for command executions in all terminals
+  context.subscriptions.push(
+    vscode.window.onDidStartTerminalShellExecution(async event => {
+      const commandLine = event.execution.commandLine;
+      if (!commandLine || typeof commandLine.value !== 'string') {
+        return;
+      }
+
+      const command = commandLine.value.trim();
+      
+      // Check if the command starts with jsdbg
+      if (command.startsWith('jsdbg ')) {
+        // Extract the actual command to debug
+        const actualCommand = command.substring('jsdbg '.length).trim();
+        
+        if (!actualCommand) {
+          vscode.window.showErrorMessage('Usage: jsdbg <command>');
+          return;
+        }
+
+        // Get the current working directory from the terminal
+        const cwd = await getTerminalCwd(event.terminal);
+
+        // Create a JavaScript Debug Terminal with the command
+        await vscode.commands.executeCommand(
+          Commands.CreateDebuggerTerminal,
+          actualCommand,
+          cwd ? vscode.workspace.getWorkspaceFolder(vscode.Uri.file(cwd)) : undefined,
+          cwd ? { cwd } : undefined
+        );
+      }
+    })
+  );
+}
+
+/**
+ * Attempts to get the current working directory of a terminal.
+ */
+async function getTerminalCwd(terminal: vscode.Terminal): Promise<string | undefined> {
+  // Try to get the CWD from shell integration
+  const shellIntegration = terminal.shellIntegration;
+  if (shellIntegration && shellIntegration.cwd) {
+    return shellIntegration.cwd.fsPath;
+  }
+
+  // Fallback to workspace folder
+  const folders = vscode.workspace.workspaceFolders;
+  return folders?.[0]?.uri.fsPath;
+}