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feat(messaging): AngularFireMessaing (#1749)
* feat(messaging): AngularFireMessaing * Zone.js and DI on top of this work, also fixing a couple small things * Cleanup the build
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‎src/messaging/index.spec.ts‎

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export * from './messaging.spec';

‎src/messaging/index.ts‎

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export * from './public_api';

‎src/messaging/messaging.module.ts‎

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import { NgModule } from '@angular/core';
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import { AngularFireModule, FirebaseApp } from 'angularfire2';
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import { AngularFireMessaging } from './messaging';
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import 'firebase/messaging';
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@NgModule({
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providers: [ AngularFireMessaging ]
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})
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export class AngularFireMessagingModule { }

‎src/messaging/messaging.ts‎

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import { Injectable, Inject, Optional, NgZone, PLATFORM_ID } from '@angular/core';
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import { isPlatformBrowser } from '@angular/common';
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import { messaging } from 'firebase';
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import { requestPermission } from './observable/request-permission';
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import { Observable, empty, from, of, throwError } from 'rxjs';
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import { mergeMap, catchError } from 'rxjs/operators';
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import { FirebaseOptions, FirebaseAppConfig } from 'angularfire2';
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import { FirebaseOptionsToken, FirebaseNameOrConfigToken, _firebaseAppFactory, FirebaseZoneScheduler } from 'angularfire2';
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@Injectable()
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export class AngularFireMessaging {
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messaging: messaging.Messaging;
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requestPermission: Observable<void>;
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getToken: Observable<string|null>;
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tokenChanges: Observable<string|null>;
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messages: Observable<{}>;
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requestToken: Observable<string|null>;
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deleteToken: (string) => Observable<boolean>;
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constructor(
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@Inject(FirebaseOptionsToken) options:FirebaseOptions,
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@Optional() @Inject(FirebaseNameOrConfigToken) nameOrConfig:string|FirebaseAppConfig|undefined,
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@Inject(PLATFORM_ID) platformId: Object,
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zone: NgZone
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) {
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const scheduler = new FirebaseZoneScheduler(zone, platformId);
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this.messaging = zone.runOutsideAngular(() => {
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const app = _firebaseAppFactory(options, nameOrConfig);
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return app.messaging();
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});
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if (isPlatformBrowser(platformId)) {
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this.requestPermission = scheduler.runOutsideAngular(
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requestPermission(this.messaging)
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);
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this.getToken = scheduler.runOutsideAngular(
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from(this.messaging.getToken())
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);
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this.tokenChanges = scheduler.runOutsideAngular(
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new Observable(subscriber => {
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this.messaging.getToken().then(t => subscriber.next(t));
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this.messaging.onTokenRefresh(subscriber.next);
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})
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);
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this.messages = scheduler.runOutsideAngular(
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new Observable(subscriber => {
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this.messaging.onMessage(subscriber.next);
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})
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);
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this.requestToken = this.requestPermission.pipe(
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catchError(() => of(null)),
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mergeMap(() => this.tokenChanges),
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);
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} else {
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this.requestPermission = throwError('Not available on server platform.');
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this.getToken = of(null);
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this.tokenChanges = of(null);
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this.messages = empty();
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this.requestToken = of(null);
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}
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this.deleteToken = (token: string) => scheduler.runOutsideAngular(
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from(this.messaging.deleteToken(token))
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);
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}
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}

‎src/messaging/observable/request-permission.ts‎

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import { Observable, from } from 'rxjs';
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import { messaging } from 'firebase';
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export function requestPermission(messaging: messaging.Messaging): Observable<void> {
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return from(messaging.requestPermission()!);
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}

‎src/messaging/package.json‎

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{
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"name": "angularfire2/messaging",
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"version": "ANGULARFIRE2_VERSION",
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"description": "The messaging module",
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"main": "../bundles/messaging.umd.js",
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"module": "index.js",
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"es2015": "./es2015/index.js",
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"keywords": [
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"angular",
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"firebase",
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"rxjs"
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],
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"repository": {
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"type": "git",
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"url": "git+https://github.com/angular/angularfire2.git"
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},
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"author": "angular,firebase",
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"license": "MIT",
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"peerDependencies": {
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"angularfire2": "ANGULARFIRE2_VERSION",
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"@angular/common": "ANGULAR_VERSION",
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"@angular/core": "ANGULAR_VERSION",
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"@angular/platform-browser": "ANGULAR_VERSION",
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"@angular/platform-browser-dynamic": "ANGULAR_VERSION",
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"@firebase/app": "FIREBASE_APP_VERSION",
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"@firebase/messaging": "FIREBASE_MESSAGING_VERSION",
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"rxjs": "RXJS_VERSION",
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"zone.js": "ZONEJS_VERSION"
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},
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"typings": "index.d.ts"
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}

‎src/messaging/public_api.ts‎

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export * from './observable/request-permission';
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export * from './messaging';
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export * from './messaging.module';

‎src/messaging/test-config.ts‎

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export const COMMON_CONFIG = {
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apiKey: "AIzaSyBVSy3YpkVGiKXbbxeK0qBnu3-MNZ9UIjA",
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authDomain: "angularfire2-test.firebaseapp.com",
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databaseURL: "https://angularfire2-test.firebaseio.com",
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storageBucket: "angularfire2-test.appspot.com",
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messagingSenderId: "920323787688"
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};

‎src/messaging/tsconfig-build.json‎

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{
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"compilerOptions": {
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"baseUrl": ".",
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"experimentalDecorators": true,
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"emitDecoratorMetadata": true,
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"module": "es2015",
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"target": "es2015",
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"noImplicitAny": false,
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"outDir": "../../dist/packages-dist/messaging/es2015",
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"rootDir": ".",
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"sourceMap": true,
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"inlineSources": true,
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"declaration": false,
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"removeComments": true,
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"strictNullChecks": true,
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"lib": ["es2015", "dom", "es2015.promise", "es2015.collection", "es2015.iterable"],
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"skipLibCheck": true,
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"moduleResolution": "node",
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"paths": {
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"angularfire2": ["../../dist/packages-dist"]
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}
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},
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"files": [
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"index.ts",
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"../../node_modules/zone.js/dist/zone.js.d.ts"
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],
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"angularCompilerOptions": {
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"skipTemplateCodegen": true,
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"strictMetadataEmit": true,
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"enableSummariesForJit": false
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}
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}
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‎src/messaging/tsconfig-esm.json‎

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{
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"extends": "./tsconfig-build.json",
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"compilerOptions": {
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"target": "es5",
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"outDir": "../../dist/packages-dist/messaging",
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"declaration": true
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},
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"files": [
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"public_api.ts",
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"../../node_modules/zone.js/dist/zone.js.d.ts"
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],
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"angularCompilerOptions": {
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"skipTemplateCodegen": true,
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"strictMetadataEmit": true,
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"enableSummariesForJit": false,
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"flatModuleOutFile": "index.js",
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"flatModuleId": "angularfire2/messaging"
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}
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}

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