[firebase_core_web] Use package:firebase (firebase#1522)

* Use package:firebase

* Bump pubspec

packages/firebase_core/firebase_core_web/CHANGELOG.md

@@ -1,3 +1,7 @@
-# 0.1.0
+## 0.1.0+1
 
-- Initial open-source release.
+* Use `package:firebase` for firebase functionality.
+
+## 0.1.0
+
+* Initial open-source release.

packages/firebase_core/firebase_core_web/lib/firebase_core_web.dart

@@ -4,21 +4,13 @@
 
 import 'dart:async';
 
+import 'package:firebase/firebase.dart' as fb;
 import 'package:firebase_core_platform_interface/firebase_core_platform_interface.dart';
 import 'package:flutter_web_plugins/flutter_web_plugins.dart';
 import 'package:js/js_util.dart' as js_util;
 
-import 'src/firebase_js.dart';
-
 /// The implementation of `firebase_core` for web.
 class FirebaseCoreWeb extends FirebaseCorePlatform {
-  /// Creates a new instance of [FirebaseCoreWeb].
-  FirebaseCoreWeb() {
-    if (firebase == null) {
-      throw StateError('firebase.js has not been loaded');
-    }
-  }
-
   /// Registers that [FirebaseCoreWeb] is the platform implementation.
   static void registerWith(Registrar registrar) {
     FirebaseCorePlatform.instance = FirebaseCoreWeb();
@@ -27,7 +19,7 @@ class FirebaseCoreWeb extends FirebaseCorePlatform {
   @override
   Future<PlatformFirebaseApp> appNamed(String name) async {
     try {
-      final App jsApp = firebase.app(name);
+      final fb.App jsApp = fb.app(name);
       if (jsApp == null) {
         return null;
       }
@@ -42,12 +34,21 @@ class FirebaseCoreWeb extends FirebaseCorePlatform {
 
   @override
   Future<void> configure(String name, FirebaseOptions options) async {
-    firebase.initializeApp(_createFromFirebaseOptions(options), name);
+    return fb.initializeApp(
+      name: name,
+      apiKey: options.apiKey,
+      databaseURL: options.databaseURL,
+      projectId: options.projectID,
+      storageBucket: options.storageBucket,
+      messagingSenderId: options.gcmSenderID,
+      measurementId: options.trackingID,
+      appId: options.googleAppID,
+    );
   }
 
   @override
   Future<List<PlatformFirebaseApp>> allApps() async {
-    final List<App> jsApps = firebase.apps;
+    final List<fb.App> jsApps = fb.apps;
     return jsApps.map<PlatformFirebaseApp>(_createFromJsApp).toList();
   }
 }
@@ -57,11 +58,11 @@ bool _isFirebaseError(dynamic e) {
   return js_util.getProperty(e, 'name') == 'FirebaseError';
 }
 
-PlatformFirebaseApp _createFromJsApp(App jsApp) {
+PlatformFirebaseApp _createFromJsApp(fb.App jsApp) {
   return PlatformFirebaseApp(jsApp.name, _createFromJsOptions(jsApp.options));
 }
 
-FirebaseOptions _createFromJsOptions(Options options) {
+FirebaseOptions _createFromJsOptions(fb.FirebaseOptions options) {
   return FirebaseOptions(
     apiKey: options.apiKey,
     trackingID: options.measurementId,
@@ -72,15 +73,3 @@ FirebaseOptions _createFromJsOptions(Options options) {
     storageBucket: options.storageBucket,
   );
 }
-
-Options _createFromFirebaseOptions(FirebaseOptions options) {
-  return Options(
-    apiKey: options.apiKey,
-    measurementId: options.trackingID,
-    messagingSenderId: options.gcmSenderID,
-    projectId: options.projectID,
-    appId: options.googleAppID,
-    databaseURL: options.databaseURL,
-    storageBucket: options.storageBucket,
-  );
-}

packages/firebase_core/firebase_core_web/pubspec.yaml

@@ -2,7 +2,7 @@ name: firebase_core_web
 description: The web implementation of firebase_core
 author: Flutter Team <[email protected]>
 homepage: https://github.com/FirebaseExtended/flutterfire/packages/firebase_core/firebase_core_web
-version: 0.1.0
+version: 0.1.0+1
 
 flutter:
   plugin:
@@ -12,6 +12,7 @@ flutter:
         fileName: firebase_core_web.dart
 
 dependencies:
+  firebase: ^7.0.0
   firebase_core_platform_interface: ^1.0.0
   flutter:
     sdk: flutter