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

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!`;
     },
 
     /**