docs(aio): add NgModule docs (angular#20306)

PR Close angular#20306

Author: kapunahelewong

aio/content/examples/bootstrapping/bs-config.1.json

@@ -0,0 +1,8 @@
+{
+  "server": {
+    "baseDir": "src",
+    "routes": {
+      "/node_modules": "node_modules"
+    }
+  }
+}

aio/content/examples/bootstrapping/e2e/app.e2e-spec.ts

@@ -0,0 +1,14 @@
+import { AppPage } from './app.po';
+
+describe('feature-modules App', () => {
+  let page: AppPage;
+
+  beforeEach(() => {
+    page = new AppPage();
+  });
+
+  it('should display message saying app works', () => {
+    page.navigateTo();
+    expect(page.getParagraphText()).toEqual('app works!');
+  });
+});

aio/content/examples/ngmodule/example-config.json renamed to aio/content/examples/bootstrapping/example-config.json

@@ -0,0 +1,11 @@
+{
+  "description": "Bootstrapping",
+  "basePath": "src/",
+  "files": [
+    "!**/*.d.ts",
+    "!**/*.js",
+    "!**/*.[1,2].*"
+  ],
+  "open": "app/app.component.ts",
+  "tags": ["ngmodules"]
+}

aio/content/examples/bootstrapping/plnkr.json

@@ -0,0 +1,3 @@
+<h1>
+  {{title}}
+</h1>

aio/content/examples/bootstrapping/src/app/app.component.css

@@ -0,0 +1,32 @@
+import { TestBed, async } from '@angular/core/testing';
+import { AppComponent } from './app.component';
+
+describe('AppComponent', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      declarations: [
+        AppComponent
+      ],
+    });
+    TestBed.compileComponents();
+  });
+
+  it('should create the app', async(() => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.debugElement.componentInstance;
+    expect(app).toBeTruthy();
+  }));
+
+  it(`should have as title 'app works!'`, async(() => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.debugElement.componentInstance;
+    expect(app.title).toEqual('app works!');
+  }));
+
+  it('should render title in a h1 tag', async(() => {
+    const fixture = TestBed.createComponent(AppComponent);
+    fixture.detectChanges();
+    const compiled = fixture.debugElement.nativeElement;
+    expect(compiled.querySelector('h1').textContent).toContain('app works!');
+  }));
+});

aio/content/examples/bootstrapping/src/app/app.component.html

@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'app-root',
+  templateUrl: './app.component.html',
+  styleUrls: ['./app.component.css']
+})
+export class AppComponent {
+  title = 'app works!';
+}

aio/content/examples/bootstrapping/src/app/app.component.spec.ts

@@ -0,0 +1,34 @@
+// #docplaster
+// #docregion whole-ngmodule
+
+// imports
+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { FormsModule } from '@angular/forms';
+import { HttpModule } from '@angular/http';
+
+import { AppComponent } from './app.component';
+// #docregion directive-import
+import { ItemDirective } from './item.directive';
+// #enddocregion directive-import
+
+
+// @NgModule decorator with its metadata
+@NgModule({
+// #docregion declarations
+  declarations: [
+    AppComponent,
+    ItemDirective
+  ],
+  // #enddocregion declarations
+  imports: [
+    BrowserModule,
+    FormsModule,
+    HttpModule
+  ],
+  providers: [],
+  bootstrap: [AppComponent]
+})
+export class AppModule { }
+
+// #enddocregion whole-ngmodule

aio/content/examples/bootstrapping/src/app/app.component.ts

@@ -0,0 +1,8 @@
+import { ItemDirective } from './item.directive';
+
+describe('ItemDirective', () => {
+  it('should create an instance', () => {
+    const directive = new ItemDirective();
+    expect(directive).toBeTruthy();
+  });
+});