Frage zu AppContent

const App = new (function AppContainer() {
  function sendAppContent (user) {
    const htmlFile = new HTMLFile("start.html");
    const headerbarContent = AppContent.headerbarContent(htmlFile, 200);
    const overlayContent = AppContent.overlayContent(htmlFile, 200, 200);
    const popupContent = AppContent.popupContent(htmlFile, 1000, 1000);

    user.sendPrivateMessage(user.getClientType().toString());

    //headerbarContent.setResponsive(true);
    //overlayContent.setResponsive(true);
    //popupContent.setResponsive(true);

    //user.sendAppContent(overlayContent);
    //user.sendAppContent(popupContent);
    //user.sendAppContent(headerbarContent);

    if (user.canSendAppContent(popupContent)) {
      user.sendAppContent(popupContent);
    } else {
      user.sendPrivateMessage("Nicht möglich: popup");
    }

    if (user.canSendAppContent(overlayContent)) {
      user.sendAppContent(overlayContent);
    } else {
      user.sendPrivateMessage("Nicht möglich: overlay");
    }

    if (user.canSendAppContent(headerbarContent)) {
      user.sendAppContent(headerbarContent);
    } else {
      user.sendPrivateMessage("Nicht möglich: headerbar");
    }

    if (user.canShowAppViewMode(AppViewMode.Overlay)) {
      user.sendPrivateMessage("Overlay erlaubt");
    }
    if (user.canShowAppViewMode(AppViewMode.Popup)) {
      user.sendPrivateMessage("Popup erlaubt");
    }
    if (user.canShowAppViewMode(AppViewMode.Headerbar)) {
      user.sendPrivateMessage("Headerbar erlaubt");
    }
    if (user.canShowAppViewMode(AppViewMode.Global)) {
      user.sendPrivateMessage("Global erlaubt");
    }
  };

  this.onAppStart = function () {
    KnuddelsServer.getChannel().getOnlineUsers(UserType.Human).map((user) => {
      sendAppContent(user);
    });
  };

  this.onUserJoined = function (user) {
    sendAppContent(user);
  };

  this.chatCommands = {
    open: function (user, params, command) {
      sendAppContent(user);
    },
  };
})();