goog.require('ol.Map');
goog.require('ol.View');
goog.require('ol.format.MVT');
goog.require('ol.layer.VectorTile');
goog.require('ol.source.VectorTile');
goog.require('ol.style.Fill');
goog.require('ol.style.Icon');
goog.require('ol.style.Stroke');
goog.require('ol.style.Style');
goog.require('ol.style.Text');


var key = 'pk.eyJ1IjoiYWhvY2V2YXIiLCJhIjoiRk1kMWZaSSJ9.E5BkluenyWQMsBLsuByrmg';

var map = new ol.Map({
  layers: [
    new ol.layer.VectorTile({
      declutter: true,
      source: new ol.source.VectorTile({
        attributions: '© <a href="https://www.mapbox.com/map-feedback/">Mapbox</a> ' +
          '© <a href="https://www.openstreetmap.org/copyright">' +
          'OpenStreetMap contributors</a>',
        format: new ol.format.MVT(),
        url: 'https://{a-d}.tiles.mapbox.com/v4/mapbox.mapbox-streets-v6/' +
            '{z}/{x}/{y}.vector.pbf?access_token=' + key
      }),
      style: createMapboxStreetsV6Style(ol.style.Style, ol.style.Fill, ol.style.Stroke, ol.style.Icon, ol.style.Text)
    })
  ],
  target: 'map',
  view: new ol.View({
    center: [0, 0],
    zoom: 2
  })
});