Update to Angular 4 (but leave directory name as Angular2Spa until finished)

templates/Angular2Spa/ClientApp/app/app.module.client.ts

@@ -0,0 +1,21 @@
+import { NgModule } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+import { FormsModule } from '@angular/forms';
+import { HttpModule } from '@angular/http';
+import { sharedConfig } from './app.module.shared';
+
+@NgModule({
+    bootstrap: sharedConfig.bootstrap,
+    declarations: sharedConfig.declarations,
+    imports: [
+        BrowserModule,
+        FormsModule,
+        HttpModule,
+        ...sharedConfig.imports
+    ],
+    providers: [
+        { provide: 'ORIGIN_URL', useValue: location.origin }
+    ]
+})
+export class AppModule {
+}