[json] language server & client as extension

extensions/json/src/jsonMain.ts

@@ -0,0 +1,53 @@
+/*---------------------------------------------------------------------------------------------
+ *  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 {workspace, Disposable, ExtensionContext} from 'vscode';
+import {LanguageClient, LanguageClientOptions, SettingMonitor, ServerOptions, TransportKind, NotificationType} from 'vscode-languageclient';
+
+namespace TelemetryNotification {
+	export const type: NotificationType<{ key: string, data: any }> = { get method() { return 'telemetry'; } };
+}
+
+export function activate(context: ExtensionContext) {
+
+	// The server is implemented in node
+	let serverModule = context.asAbsolutePath(path.join('server', 'out', 'server.js'));
+	// The debug options for the server
+	let debugOptions = { execArgv: ["--nolazy", "--debug=6004"] };
+
+	// If the extension is launch in debug mode the debug server options are use
+	// Otherwise the run options are used
+	let serverOptions: ServerOptions = {
+		run: { module: serverModule, transport: TransportKind.ipc },
+		debug: { module: serverModule, transport: TransportKind.ipc, options: debugOptions }
+	}
+
+	// Options to control the language client
+	let clientOptions: LanguageClientOptions = {
+		// Register the server for json documents
+		documentSelector: ['json'],
+		synchronize: {
+			// Synchronize the setting section 'json' to the server
+			configurationSection: 'json',
+
+			fileEvents: workspace.createFileSystemWatcher('**/.json')
+		}
+	}
+
+	// Create the language client and start the client.
+	var client = new LanguageClient('JSON Server', serverOptions, clientOptions);
+	client.onNotification(TelemetryNotification.type, (e) => {
+		// to be done
+	});
+
+	let disposable = client.start();
+
+	// Push the disposable to the context's subscriptions so that the
+	// client can be deactivated on extension deactivation
+	context.subscriptions.push(disposable);
+}