@sap_oss/wdio-qmate-service/test/reuse/ui5/mockserver_qunit/controller/NotFound.controller.js

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// eslint-disable-next-line no-undef
sap.ui.define([
  "sap/ui/demo/nav/controller/BaseController"
], function (BaseController) {
  "use strict";

  return BaseController.extend("sap.ui.demo.nav.controller.NotFound", {

    onInit: function () {
      var oRouter, oTarget;

      oRouter = this.getRouter();
      oTarget = oRouter.getTarget("notFound");
      oTarget.attachDisplay(function (oEvent) {
        this._oData = oEvent.getParameter("data");	// store the data
      }, this);
    },

		// override the parent's onNavBack (inherited from BaseController)
    onNavBack : function () {
			// in some cases we could display a certain target when the back button is pressed
      if (this._oData && this._oData.fromTarget) {
        this.getRouter().getTargets().display(this._oData.fromTarget);
        delete this._oData.fromTarget;
        return;
      }

			// call the parent's onNavBack
      BaseController.prototype.onNavBack.apply(this, arguments);
    }

  });

});