MainController.ts (Typescript version of UI5 view controller that inherits from a BaseController)

Main.controller.ts

sap.ui.define([
	"de/tammenit/ui5/AppAdminApp/controller/BaseController",
	"sap/ui/model/json/JSONModel",
	"sap/ui/core/format/DateFormat",
	"sap/ui/core/Fragment"
], function (BaseController: typeof de.tammenit.ui5.AppAdminApp.controller.BaseController,
	JSONModel: typeof sap.ui.model.json.JSONModel,
	DateFormat: typeof sap.ui.core.format.DateFormat,
	Fragment: typeof sap.ui.core.Fragment
) {
		"use strict";

		enum LinkTargets {
			HOMEPAGE = "homepage"
		}
		
		class Main extends BaseController {

			//return Controller.extend("de.hessen.hzd.service_hessen.service_hessen.controller.Main", {});
			constructor() {
				// it's important to call the extend method here. It creates metadata that is used in UI5 apps via
				// the method getMetadata. Hence we also assign this method to the prototype of our class.
				let fnClass = BaseController.extend("de.tammenit.ui5.AppAdminApp.controller.Main", {});
				Main.prototype.getMetadata = fnClass.prototype.getMetadata;

				super("de.tammenit.ui5.AppAdminApp.controller.Main");
			}

			public onInit(): void {
				this.getView().setModel(new JSONModel({
				}, false), "viewModel")
				// @ts-ignore
				this.getView().setModel(this.getOwnerComponent().getMainModel())
			}


		}

		return Main;
	})