move auto-attach into new built-in extension; fixes #53586

extensions/debug-auto-launch/src/extension.ts

@@ -0,0 +1,132 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+import * as vscode from 'vscode';
+import * as nls from 'vscode-nls';
+import { basename } from 'path';
+import { pollProcesses, attachToProcess } from './nodeProcessTree';
+
+const localize = nls.loadMessageBundle();
+const ON_TEXT = localize('status.text.auto.attach.on', "Auto Attach: On");
+const OFF_TEXT = localize('status.text.auto.attach.off', "Auto Attach: Off");
+
+const TOGGLE_COMMAND = 'extension.node-debug.toggleAutoAttach';
+
+let currentState: string;
+let autoAttacher: vscode.Disposable | undefined;
+let statusItem: vscode.StatusBarItem | undefined = undefined;
+
+
+export function activate(context: vscode.ExtensionContext): void {
+
+	context.subscriptions.push(vscode.commands.registerCommand(TOGGLE_COMMAND, toggleAutoAttach));
+
+	context.subscriptions.push(vscode.workspace.onDidChangeConfiguration(e => {
+		if (e.affectsConfiguration('debug.node.autoAttach')) {
+			updateAutoAttachInStatus(context);
+		}
+	}));
+
+	updateAutoAttachInStatus(context);
+}
+
+export function deactivate(): void {
+}
+
+
+function toggleAutoAttach(context: vscode.ExtensionContext) {
+
+	const conf = vscode.workspace.getConfiguration('debug.node');
+
+	let value = conf.get('autoAttach');
+	if (value === 'on') {
+		value = 'off';
+	} else {
+		value = 'on';
+	}
+
+	const info = conf.inspect('autoAttach');
+	let target: vscode.ConfigurationTarget = vscode.ConfigurationTarget.Global;
+	if (info) {
+		if (info.workspaceFolderValue) {
+			target = vscode.ConfigurationTarget.WorkspaceFolder;
+		} else if (info.workspaceValue) {
+			target = vscode.ConfigurationTarget.Workspace;
+		} else if (info.globalValue) {
+			target = vscode.ConfigurationTarget.Global;
+		} else if (info.defaultValue) {
+			// setting not yet used: store setting in workspace
+			if (vscode.workspace.workspaceFolders) {
+				target = vscode.ConfigurationTarget.Workspace;
+			}
+		}
+	}
+	conf.update('autoAttach', value, target);
+
+	updateAutoAttachInStatus(context);
+}
+
+function updateAutoAttachInStatus(context: vscode.ExtensionContext) {
+
+	const newState = <string>vscode.workspace.getConfiguration('debug.node').get('autoAttach');
+
+	if (newState !== currentState) {
+
+		currentState = newState;
+
+		if (newState === 'disabled') {
+
+			// turn everything off
+			if (statusItem) {
+				statusItem.hide();
+				statusItem.text = OFF_TEXT;
+			}
+			if (autoAttacher) {
+				autoAttacher.dispose();
+				autoAttacher = undefined;
+			}
+
+		} else {	// 'on' or 'off'
+
+			// make sure status bar item exists and is visible
+			if (!statusItem) {
+				statusItem = vscode.window.createStatusBarItem(vscode.StatusBarAlignment.Left);
+				statusItem.command = TOGGLE_COMMAND;
+				statusItem.text = OFF_TEXT;
+				statusItem.tooltip = localize('status.tooltip.auto.attach', "Automatically attach to node.js processes in debug mode");
+				statusItem.show();
+				context.subscriptions.push(statusItem);
+			} else {
+				statusItem.show();
+			}
+
+			if (newState === 'off') {
+				statusItem.text = OFF_TEXT;
+				if (autoAttacher) {
+					autoAttacher.dispose();
+					autoAttacher = undefined;
+				}
+			} else if (newState === 'on') {
+				statusItem.text = ON_TEXT;
+				const vscode_pid = process.env['VSCODE_PID'];
+				const rootPid = vscode_pid ? parseInt(vscode_pid) : 0;
+				autoAttacher = startAutoAttach(rootPid);
+			}
+		}
+	}
+}
+
+function startAutoAttach(rootPid: number): vscode.Disposable {
+
+	return pollProcesses(rootPid, true, (pid, cmdPath, args) => {
+		const cmdName = basename(cmdPath, '.exe');
+		if (cmdName === 'node') {
+			const name = localize('process.with.pid.label', "Process {0}", pid);
+			attachToProcess(undefined, name, pid, args);
+		}
+	});
+}