func application()

in ios/swift/FriendlyChatSwift/AppDelegate.swift [60:90]
18 lines of code
2 McCabe index (conditional complexity)

  func application(_ application: UIApplication, didFinishLaunchingWithOptions
    launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {


    FirebaseApp.configure()
    GIDSignIn.sharedInstance().clientID = FirebaseApp.app()?.options.clientID
    GIDSignIn.sharedInstance().delegate = self


////////////////////////////////////////////////////////////////////////
//                                                                    //
//  CODE BELOW THIS POINT IS ONLY REQUIRED FOR THE OPTIONAL FCM STEP  //
//                                                                    //
////////////////////////////////////////////////////////////////////////

    // Register for remote notifications. This shows a permission dialog on first run, to
    // show the dialog at a more appropriate time move this registration accordingly.
    if #available(iOS 10.0, *) {
      let authOptions: UNAuthorizationOptions = [.alert, .badge, .sound]
      UNUserNotificationCenter.current().requestAuthorization(
      options: authOptions) {_,_ in }
      // For iOS 10 display notification (sent via APNS)
      UNUserNotificationCenter.current().delegate = self
    } else {
      let settings: UIUserNotificationSettings =
        UIUserNotificationSettings(types: [.alert, .badge, .sound], categories: nil)
      application.registerUserNotificationSettings(settings)
    }
    application.registerForRemoteNotifications()
    return true
  }