Project: /docs/reference/js/_project.yaml Book: /docs/reference/_book.yaml page_type: reference

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FirebaseApp interface

A FirebaseApp holds the initialization information for a collection of services.

Do not call this constructor directly. Instead, use initializeApp() to create an app.

<b>Signature:</b>

export interface FirebaseApp 

Properties

FirebaseApp.automaticDataCollectionEnabled

The settable config flag for GDPR opt-in/opt-out

<b>Signature:</b>

automaticDataCollectionEnabled: boolean;

FirebaseApp.name

The (read-only) name for this app.

The default app's name is "[DEFAULT]"<!-- -->.

<b>Signature:</b>

readonly name: string;

Example 1

// The default app's name is "[DEFAULT]"
const app = initializeApp(defaultAppConfig);
console.log(app.name);  // "[DEFAULT]"

Example 2

// A named app's name is what you provide to initializeApp()
const otherApp = initializeApp(otherAppConfig, "other");
console.log(otherApp.name);  // "other"

FirebaseApp.options

The (read-only) configuration options for this app. These are the original parameters given in initializeApp()<!-- -->.

<b>Signature:</b>

readonly options: FirebaseOptions;

Example

const app = initializeApp(config);
console.log(app.options.databaseURL === config.databaseURL);  // true