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AngularFire Quickstart

1. Create a new project

npm install -g @angular/cli
ng new <project-name>
cd <project-name>

The Angular CLI's new command will set up the latest Angular build in a new project structure.

2. Install AngularFire and Firebase

ng add @angular/fire

Now that you have a new project setup, install AngularFire and Firebase from npm.

3. Add Firebase config to environments variable

Open /src/environments/environment.ts and add your Firebase configuration. You can find your project configuration in the Firebase Console. Click the Gear icon next to Project Overview, in the Your Apps section, create a new app and choose the type Web. Give the app a name and copy the config values provided.

export const environment = {
  production: false,
  firebase: {
    apiKey: '<your-key>',
    authDomain: '<your-project-authdomain>',
    databaseURL: '<your-database-URL>',
    projectId: '<your-project-id>',
    storageBucket: '<your-storage-bucket>',
    messagingSenderId: '<your-messaging-sender-id>',
    appId: '<your-app-id>',
    measurementId: '<your-measurement-id>'
  }
};

4. Setup @NgModule for the AngularFireModule

Open /src/app/app.module.ts, inject the Firebase providers, and specify your Firebase configuration.

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppComponent } from './app.component';
import { AngularFireModule } from '@angular/fire';
import { environment } from '../environments/environment';

@NgModule({
  imports: [
    BrowserModule,
    AngularFireModule.initializeApp(environment.firebase)
  ],
  declarations: [ AppComponent ],
  bootstrap: [ AppComponent ]
})
export class AppModule {}

5. Setup individual @NgModules

After adding the AngularFireModule you also need to add modules for the individual @NgModules that your application needs.

For example if your application was using both Google Analytics and the Firestore you would add AngularFireAnalyticsModule and AngularFirestoreModule:

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppComponent } from './app.component';
import { AngularFireModule } from '@angular/fire';
import { AngularFireAnalyticsModule } from '@angular/fire/analytics';
import { AngularFirestoreModule } from '@angular/fire/firestore';
import { environment } from '../environments/environment';

@NgModule({
  imports: [
    BrowserModule,
    AngularFireModule.initializeApp(environment.firebase),
    AngularFireAnalyticsModule,
    AngularFirestoreModule
  ],
  declarations: [ AppComponent ],
  bootstrap: [ AppComponent ]
})
export class AppModule {}

7. Inject AngularFirestore

Open /src/app/app.component.ts, and make sure to modify/delete any tests to get the sample working (tests are still important, you know):

import { Component } from '@angular/core';
import { AngularFirestore } from '@angular/fire/firestore';

@Component({
  selector: 'app-root',
  templateUrl: 'app.component.html',
  styleUrls: ['app.component.css']
})
export class AppComponent {
  constructor(firestore: AngularFirestore) {

  }
}

8. Bind a Firestore collection to a list

In /src/app/app.component.ts:

import { Component } from '@angular/core';
import { AngularFirestore } from '@angular/fire/firestore';
import { Observable } from 'rxjs';

@Component({
  selector: 'app-root',
  templateUrl: 'app.component.html',
  styleUrls: ['app.component.css']
})
export class AppComponent {
  items: Observable<any[]>;
  constructor(firestore: AngularFirestore) {
    this.items = firestore.collection('items').valueChanges();
  }
}

Open /src/app/app.component.html:

<ul>
  <li class="text" *ngFor="let item of items | async">
    {{item.name}}
  </li>
</ul>

9. Run your app locally

ng serve

Your Angular app will compile and serve locally, visit it we should see an empty list.

In another tab start adding data to an items collection in Firestore. As we're not authenticating users yet, be sure to start Firestore in test mode or allow reading from the items collection in Security Rules (allow read: if true).

Once you've created a items collection and are inserting documents, you should see data streaming into your Angular application.

10. Deploy your app

Finally, we can deploy the application to Firebase hosting:

ng deploy