firebaseapp

Author: samtstern

firebaseapp/index.js

@@ -1,5 +1,74 @@
 const admin = require('firebase-admin');
 
+function initializeApplicationDefault() {
+    // [START initialize_application_default]
+    admin.initializeApp({
+        credential: admin.credential.applicationDefault(),
+        databaseURL: 'https://<DATABASE_NAME>.firebaseio.com'
+    });
+    // [END initialize_application_default]
+}
+
+function initializeRefreshToken() {
+    // [START initialize_refresh_token]
+    const refreshToken = "..."; // Get refresh token from OAuth2 flow
+
+    admin.initializeApp({
+      credential: admin.credential.refreshToken(refreshToken),
+      databaseURL: 'https://<DATABASE_NAME>.firebaseio.com'
+    });
+    // [END initialize_refresh_token]
+}
+
+function initializeEmpty() {
+    // [START initialize_empty]
+    const app = admin.initializeApp();
+    // [END initialize_empty]
+}
+
+function initializeDefaultApp() {
+    const defaultAppConfig = {};
+
+    // [START initialize_default_app]
+    // Initialize the default app
+    const defaultApp = admin.initializeApp(defaultAppConfig);
+
+    console.log(defaultApp.name);  // '[DEFAULT]'
+
+    // Retrieve services via the defaultApp variable...
+    let defaultAuth = defaultApp.auth();
+    let defaultDatabase = defaultApp.database();
+
+    // ... or use the equivalent shorthand notation
+    defaultAuth = admin.auth();
+    defaultDatabase = admin.database();
+    // [END initialize_default_app]
+}
+
+function initializeMultipleApps() {
+    const defaultAppConfig = {};
+    const otherAppConfig = {};
+
+    // [START initialize_multiple_apps]
+    // Initialize the default app
+    admin.initializeApp(defaultAppConfig);
+
+    // Initialize another app with a different config
+    var otherApp = admin.initializeApp(otherAppConfig, 'other');
+
+    console.log(admin.app().name);  // '[DEFAULT]'
+    console.log(otherApp.name);     // 'other'
+
+    // Use the shorthand notation to retrieve the default app's services
+    const defaultAuth = admin.auth();
+    const defaultDatabase = admin.database();
+
+    // Use the otherApp variable to retrieve the other app's services
+    const otherAuth = otherApp.auth();
+    const otherDatabase = otherApp.database();
+    // [END initialize_multiple_apps]
+}
+
 function multipleFirebaseApps() {
     // [START firebase_options]
     const secondaryServiceAccount = require('./path/to/serviceAccountKey.json');