EmulatorMockTokenOptions

FirebaseSignInProvider

LogLevel

SDK_VERSION

apps

initializeApp

• initializeApp(options: Object, name?: string):App

• Creates and initializes a Firebaseapp instance.

  See Add Firebase to your app and Initialize multiple projects for detailed documentation.

  example

  // Initialize default app// Retrieve your own options values by adding a web app on// https://console.firebase.google.comfirebase.initializeApp({apiKey:"AIza....",// Auth / General UseappId:"1:27992087142:web:ce....",// General UseprojectId:"my-firebase-project",// General UseauthDomain:"YOUR_APP.firebaseapp.com",// Auth with popup/redirectdatabaseURL:"https://YOUR_APP.firebaseio.com",// Realtime DatabasestorageBucket:"YOUR_APP.appspot.com",// StoragemessagingSenderId:"123456789",// Cloud MessagingmeasurementId:"G-12345"// Analytics});

  example

  // Initialize another appvar otherApp = firebase.initializeApp({apiKey:"AIza....",appId:"1:27992087142:web:ce....",projectId:"my-firebase-project",databaseURL:"https://<OTHER_DATABASE_NAME>.firebaseio.com",storageBucket:"<OTHER_STORAGE_BUCKET>.appspot.com"},"nameOfOtherApp");

  Parameters

  • options:Object

    Options to configure the app's services.

  • Optional name:string

    Optional name of the app to initialize. If no nameis provided, the default is"[DEFAULT]".

  ReturnsApp

  The initialized app.

onLog

• onLog(logCallback: (callbackParams: {args:any[];level:LogLevel;message:string;type:string }) =>void, options?: {level:LogLevel }):void

• Sets log handler for all Firebase packages.

  Parameters

  • logCallback:(callbackParams:{args:any[];level:LogLevel;message:string;type:string }) =>void

    An optional custom log handler that executes user code wheneverthe Firebase SDK makes a logging call.

    • • (callbackParams:{args:any[];level:LogLevel;message:string;type:string }):void

      • Parameters

        • callbackParams:{args:any[];level:LogLevel;message:string;type:string }

          • args:any[]

            The raw arguments passed to the log call.

          • level:LogLevel

            Level of event logged.

          • message:string

            Any text from logged arguments joined into one string.

          • type:string

            A string indicating the name of the package that made the log call,such as@firebase/firestore.

        Returnsvoid

  • Optional options:{level:LogLevel }

    • level:LogLevel

      Threshhold log level. Only logs at or above this level trigger thelogCallbackpassed toonLog.

  Returnsvoid

registerVersion

• registerVersion(library: string, version: string, variant?: string):void

• Registers a library's name and version for platform logging purposes.

  Parameters

  • library:string

    Name of 1p or 3p library (e.g. firestore, angularfire)

  • version:string

    Current version of that library.

  • Optional variant:string

    Bundle variant, e.g., node, rn, etc.

  Returnsvoid

setLogLevel

• setLogLevel(logLevel: LogLevel):void

• Sets log level for all Firebase packages.

  All of the log types above the current log level are captured (i.e. ifyou set the log level toinfo, errors are logged, butdebug andverbose logs are not).

  Parameters

  • logLevel:LogLevel

  Returnsvoid