Merge VS Code 1.23.1 (#1520)

src/vs/editor/editor.worker.ts

@@ -0,0 +1,34 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+import { EditorSimpleWorkerImpl } from 'vs/editor/common/services/editorSimpleWorker';
+import { SimpleWorkerServer } from 'vs/base/common/worker/simpleWorker';
+
+let initialized = false;
+
+export function initialize(foreignModule: any) {
+	if (initialized) {
+		return;
+	}
+	initialized = true;
+
+	const editorWorker = new EditorSimpleWorkerImpl(foreignModule);
+	const simpleWorker = new SimpleWorkerServer((msg) => {
+		(<any>self).postMessage(msg);
+	}, editorWorker);
+
+	self.onmessage = (e) => {
+		simpleWorker.onmessage(e.data);
+	};
+}
+
+self.onmessage = (e) => {
+	// Ignore first message in this case and initialize if not yet initialized
+	if (!initialized) {
+		initialize(null);
+	}
+};