import Map from 'ol/Map'; import View from 'ol/View'; import TileLayer from 'ol/layer/Tile'; import {fromLonLat} from 'ol/proj'; import Stamen from 'ol/source/Stamen'; const map = new Map({ layers: [ new TileLayer({ source: new Stamen({ layer: 'watercolor' }) }), new TileLayer({ source: new Stamen({ layer: 'terrain-labels' }) }) ], target: 'map', view: new View({ center: fromLonLat([-122.416667, 37.783333]), zoom: 12 }) });