[ios][app] apps initialized natively now automatically initialized js side - via react module getConstants

ios/RNFirebase/RNFirebase.m

@@ -31,11 +31,7 @@ RCT_EXPORT_METHOD(initializeApp:
         FIRApp *existingApp = [FIRApp appNamed:name];
 
         if (!existingApp) {
-            FIROptions *firOptions = [
-                [FIROptions alloc]
-                initWithGoogleAppID:[options valueForKey:@"iosAppId"]
-                GCMSenderID:[options valueForKey:@"messagingSenderId"]
-            ];
+            FIROptions *firOptions = [[FIROptions alloc] initWithGoogleAppID:[options valueForKey:@"iosAppId"] GCMSenderID:[options valueForKey:@"messagingSenderId"]];
 
             firOptions.APIKey = [options valueForKey:@"apiKey"];
             firOptions.projectID = [options valueForKey:@"projectId"];
@@ -55,4 +51,36 @@ RCT_EXPORT_METHOD(initializeApp:
     });
 }
 
+- (NSDictionary *)constantsToExport {
+    NSMutableDictionary *constants = [NSMutableDictionary new];
+    NSDictionary *firApps = [FIRApp allApps];
+    NSMutableArray *appsArray = [NSMutableArray new];
+
+    for (id key in firApps) {
+        NSMutableDictionary * appOptions = [NSMutableDictionary new];
+        FIRApp *firApp = firApps[key];
+        FIROptions *firOptions = [firApp options];
+        appOptions[@"name"] = firApp.name;
+        appOptions[@"apiKey"] = firOptions.APIKey;
+        appOptions[@"applicationId"] = firOptions.googleAppID;
+        appOptions[@"databaseUrl"] = firOptions.databaseURL;
+        appOptions[@"messagingSenderId"] = firOptions.GCMSenderID;
+        appOptions[@"projectId"] = firOptions.projectID;
+        appOptions[@"storageBucket"] = firOptions.storageBucket;
+
+        // missing from android sdk / ios only:
+        appOptions[@"clientId"] = firOptions.clientID;
+        appOptions[@"trackingId"] = firOptions.trackingID;
+        appOptions[@"androidClientID"] = firOptions.androidClientID;
+        appOptions[@"deepLinkUrlScheme"] = firOptions.deepLinkURLScheme;
+
+        [appsArray addObject:appOptions];
+        NSLog(@"test");
+    }
+
+    constants[@"apps"] = appsArray;
+    return constants;
+}
+
+
 @end

lib/firebase-app.js

@@ -21,22 +21,33 @@ export default class FirebaseApp {
     this._options = Object.assign({}, options);
 
     // native ios/android to confirm initialized
-    this._intialized = false;
+    this._initialized = false;
   }
 
-  _initializeApp(local = false) {
-    if (local) {
+  /**
+   *
+   * @param native
+   * @private
+   */
+  _initializeApp(native = false) {
+    if (native) {
       // for apps already initialized natively that we have info
-      // from RN constants.
+      // from RN constants
       this._initialized = true;
+      this._nativeInitialized = true;
     } else {
       FirebaseCoreModule.initializeApp(this._name, this._options, (error, result) => {
         // todo check error/result
         this._initialized = true;
+        this._nativeInitialized = false;
       });
     }
   }
 
+  /**
+   *
+   * @return {*}
+   */
   get name() {
     if (this._name === INTERNALS.STRINGS.DEFAULT_APP_NAME) {
       // ios and android firebase sdk's  return different
@@ -48,12 +59,25 @@ export default class FirebaseApp {
     return this._name;
   }
 
+  /**
+   *
+   * @return {*}
+   */
   get options() {
     return Object.assign({}, this._options);
   }
 
+  /**
+   *
+   * @return {Promise}
+   */
   delete() {
-    // todo
+    if (this._name === INTERNALS.STRINGS.DEFAULT_APP_NAME && this._nativeInitialized) {
+      return Promise.reject(
+        new Error('Unable to delete the default native firebase app instance.'),
+      );
+    }
+
     return Promise.resolve();
   }
 

lib/internals.js

@@ -30,7 +30,7 @@ export default {
      * @return {string}
      */
     ERROR_APP_NOT_INIT(appName) {
-      return `The [${{ appName }}] firebase app has not been initialized!`;
+      return `The [${appName}] firebase app has not been initialized!`;
     },
 
     /**