add client/server browser parts

extensions/css-language-features/client/src/browser/cssClientMain.ts

@@ -0,0 +1,43 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { ExtensionContext, window } from 'vscode';
+import { CommonLanguageClient, LanguageClientOptions, MessageTransports } from 'vscode-languageclient';
+import { startClient, LanguageClientConstructor } from '../cssClient';
+import { BrowserMessageReader, BrowserMessageWriter } from 'vscode-jsonrpc/lib/browser/main';
+
+declare const Worker: {
+	new(stringUrl: string): any;
+};
+
+class BrowserLanguageClient extends CommonLanguageClient {
+
+	constructor(id: string, name: string, clientOptions: LanguageClientOptions, private worker: any) {
+		super(id, name, clientOptions);
+	}
+
+	protected createMessageTransports(_encoding: string): Promise<MessageTransports> {
+		const reader = new BrowserMessageReader(this.worker);
+		const writer = new BrowserMessageWriter(this.worker);
+		return Promise.resolve({ reader, writer });
+	}
+
+}
+
+// this method is called when vs code is activated
+export function activate(context: ExtensionContext) {
+	const serverMain = context.asAbsolutePath('server/dist/browser/cssServerMain.js');
+	try {
+		const worker = new Worker(serverMain);
+		const newLanguageClient: LanguageClientConstructor = (id: string, name: string, clientOptions: LanguageClientOptions) => {
+			return new BrowserLanguageClient(id, name, clientOptions, worker);
+		};
+
+		startClient(context, newLanguageClient, {});
+
+	} catch (e) {
+		console.log(e);
+	}
+}