Remote api simulator in Extjs

Remote.js

Ext.define('Example.util.Remote',{
    singleton: true,

    requires: [
        'Ext.ux.ajax.JsonSimlet',
        'Ext.ux.ajax.SimManager'
    ],

    constructor: function () {
        Ext.ux.ajax.SimManager.init({
            defaultSimlet: null
        });
    },
}, function (U) {

    Ext.ux.ajax.SimManager.register({
        '/calendars': {
            type: 'json',
            data: [{
                id: 1,
                title: 'Title1',
                eventStore: {
                    proxy: {
                        type: 'ajax',
                        url: '/Calendars/1'
                    }
                }
            }, {
                id: 2,
                title: 'Title2',
                eventStore: {
                    proxy: {
                        type: 'ajax',
                        url: '/Calendars/2'
                    }
                }
            }]
        },
        '/calendars/1': {
            type: 'json',
            data: function (ctx) {
                var data = [
                    {
                        id: 1,
                        startDate: "2017-07-13T18:30:00.000Z",
                        endDate: "2017-07-13T19:00:00.000Z",
                        calendarId: 1
                    },
                    {
                        id: 2,
                        title: "Title",
                        startDate: "2017-07-10T13:30:00.000Z",
                        endDate: "2017-07-10T13:20:00.000Z",
                        calendarId: 1
                    }
                ]
                return data;
            }
        },
        '/calendars/2': {
            type: 'json',
            data: function (ctx) {
                var data = [
                    {
                        id: 5,
                        title: "Title",
                        startDate: "2017-07-13T08:30:00.000Z",
                        endDate: "2017-07-13T09:00:00.000Z",
                        calendarId: 2
                    },
                    {
                        id:6,
                        title: "Title",
                        startDate: "2017-07-13T08:30:00.000Z",
                        endDate: "2017-07-13T09:00:00.000Z",
                        calendarId: 2                        
                    }
                ]
                return data;
            }
        }
    });
});