import Map from 'ol/Map';
import View from 'ol/View';
import TileLayer from 'ol/layer/Tile';
import TileJSON from 'ol/source/TileJSON';


const map = new Map({
  layers: [
    new TileLayer({
      source: new TileJSON({
        url: 'https://api.tiles.mapbox.com/v3/mapbox.geography-class.json?secure',
        crossOrigin: 'anonymous'
      })
    })
  ],
  target: 'map',
  view: new View({
    center: [0, 0],
    zoom: 2
  })
});