Add support for running extensions in the browser

src/browser/mainThreadNodeProxy.ts

@@ -0,0 +1,37 @@
+import { IDisposable } from "vs/base/common/lifecycle";
+import { INodeProxyService } from "vs/server/src/common/nodeProxy";
+import { ExtHostContext, IExtHostContext, MainContext, MainThreadNodeProxyShape } from "vs/workbench/api/common/extHost.protocol";
+import { extHostNamedCustomer } from "vs/workbench/api/common/extHostCustomers";
+
+@extHostNamedCustomer(MainContext.MainThreadNodeProxy)
+export class MainThreadNodeProxy implements MainThreadNodeProxyShape {
+	private disposed = false;
+	private disposables = <IDisposable[]>[];
+
+	constructor(
+		extHostContext: IExtHostContext,
+		@INodeProxyService private readonly proxyService: INodeProxyService,
+	) {
+		if (!extHostContext.remoteAuthority) { // HACK: A terrible way to detect if running in the worker.
+			const proxy = extHostContext.getProxy(ExtHostContext.ExtHostNodeProxy);
+			this.disposables = [
+				this.proxyService.onMessage((message: string) => proxy.$onMessage(message)),
+				this.proxyService.onClose(() => proxy.$onClose()),
+				this.proxyService.onDown(() => proxy.$onDown()),
+				this.proxyService.onUp(() => proxy.$onUp()),
+			];
+		}
+	}
+
+	$send(message: string): void {
+		if (!this.disposed) {
+			this.proxyService.send(message);
+		}
+	}
+
+	dispose(): void {
+		this.disposables.forEach((d) => d.dispose());
+		this.disposables = [];
+		this.disposed = true;
+	}
+}