main single-page app routed render

appRender.scala

@dom def render: Binding[Element] = {

  // init
  implicit val pageState: PageState = AppState.page.bind
  //some actions here
  //actions.action1()
  //actions.action2()

  val routePage: Page = Router.route.state.bind


  // main token verification
  val authCheckResult: Option[Try[Boolean]] =
    FutureBinding(AuthClient.checkAuthComplete()).bind

  authCheckResult match {
    case Some(Success(authSuccess)) if authSuccess =>
      routePage match {
        case Router.loginPage => {
          LoginPage.renderLoginV2.bind
        }
        case Router.indivualPage => {
          if(navDebug) println("rendering nova")
          NovaPage.render.bind
        }
        case _ => {
          if(navDebug) println("rendering none")
          <div>NotFound</div>.asInstanceOf[HTMLElement]
        }
      }
    case Some(Success(authSuccess)) if !authSuccess =>
      if(navDebug) println("auth negative, go to login page")
      routePage match {
        case Router.signupPage => {
          SignupPage.render.bind
        }
        case Router.loginPage => {
          if(navDebug) println("rendering loginPage")
          LoginPage.renderLoginV2.bind
        }
        case _ => {
          Router.gotoPage(Router.loginPage)
          <div>You need to log in again</div>.asInstanceOf[HTMLElement]
        }
      }
    case Some(Failure(x)) => {
      if(navDebug) println("auth could not complete, rendering login")
      Router.gotoPage(Router.loginPage)
      implicit val lang: Lang = Lang(state.bind.lang.bind)
      LoginPage.renderLoginV2.bind
    }
    case None => {
      if(navDebug) println("no auth result yet")
      SemanticComponents.loadingIndicatorComponent.bind
    }
  }
}