import Map = require("esri/Map"); import MapView = require("esri/views/MapView"); import Point = require("esri/geometry/Point"); class MapController { map: Map; constructor(public mapDiv: string) { } start() { let point = new Point({ latitude: 37.75, longitude: -122.45 }); this.map = new Map({ basemap: { title: "topo" } }); let view = new MapView({ center: point, container: this.mapDiv, map: this.map, zoom: 13 }); } }