Add lsp code action ui sample

lsp-user-input-sample/client/src/extension.ts

@@ -0,0 +1,51 @@
+/* --------------------------------------------------------------------------------------------
+ * 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 path from 'path';
+import { ExtensionContext, window as Window } from 'vscode';
+import { LanguageClient, LanguageClientOptions, RevealOutputChannelOn, ServerOptions, TransportKind } from 'vscode-languageclient';
+
+export function activate(context: ExtensionContext): void {
+	const serverModule = context.asAbsolutePath(path.join('server', 'out', 'sampleServer.js'));
+	let serverOptions: ServerOptions = {
+		run: { module: serverModule, transport: TransportKind.ipc, options: { cwd: process.cwd() } },
+		debug: { module: serverModule, transport: TransportKind.ipc, options: { execArgv: ['--nolazy', '--inspect=6011'], cwd: process.cwd() } }
+	};
+
+	let clientOptions: LanguageClientOptions = {
+		documentSelector: [{ scheme: 'file', language: 'plaintext' }],
+		diagnosticCollectionName: 'sample',
+		revealOutputChannelOn: RevealOutputChannelOn.Never,
+		progressOnInitialization: true,
+		middleware: {
+			executeCommand: async (command, args, next) => {
+				const selected = await Window.showQuickPick(['Visual Studio', 'Visual Studio Code']);
+				if (selected === undefined) {
+					return next(command, args);
+				}
+				args = args.slice(0);
+				args.push(selected);
+				return next(command, args);
+			}
+		}
+	};
+
+	let client: LanguageClient;
+	try {
+		client = new LanguageClient('UI Sample', serverOptions, clientOptions);
+	} catch (err) {
+		Window.showErrorMessage(`The extension couldn't be started. See the output channel for details.`);
+		return;
+	}
+	client.registerProposedFeatures();
+
+	context.subscriptions.push(
+		client.start(),
+	);
+}
+
+export function deactivate() {
+}