test(language-service): test @angular/language-service can be loaded by tsserver.js (#14721)

integration/language_service_plugin/project/app/app.component.ts

@@ -0,0 +1,7 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: `<h1>Hello {{name}}</h1>`,
+})
+export class AppComponent  { name = 'Angular'; }

integration/language_service_plugin/project/app/app.module.ts

@@ -0,0 +1,11 @@
+import { NgModule }      from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+
+import { AppComponent }  from './app.component';
+
+@NgModule({
+  imports:      [ BrowserModule ],
+  declarations: [ AppComponent ],
+  bootstrap:    [ AppComponent ]
+})
+export class AppModule { }

integration/language_service_plugin/project/app/main.ts

@@ -0,0 +1,5 @@
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+
+import { AppModule } from './app.module';
+
+platformBrowserDynamic().bootstrapModule(AppModule);

integration/language_service_plugin/project/tsconfig.json

@@ -0,0 +1,16 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "sourceMap": true,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "lib": [ "es2015", "dom" ],
+    "noImplicitAny": true,
+    "suppressImplicitAnyIndexErrors": true,
+    "plugins": [
+      { "name": "@angular/language-service" }
+    ]
+  }
+}