- var donate = I18n.t('javascripts.map.donate_link_text', {donate_url: 'http://donate.openstreetmap.org'});
-
- this.baseLayers = [
- new L.OSM.Mapnik({
- attribution: copyright + " ♥ " + donate,
- code: "M",
- keyid: "mapnik",
- name: I18n.t("javascripts.map.base.standard")
- }),
- new L.OSM.CycleMap({
- attribution: copyright + ". Tiles courtesy of <a href='http://www.thunderforest.com/' target='_blank'>Andy Allan</a>",
+ var donate = I18n.t('javascripts.map.donate_link_text', {donate_url: 'https://donate.openstreetmap.org'});
+
+ this.baseLayers = [];
+
+ this.baseLayers.push(new L.OSM.Mapnik({
+ attribution: copyright + " ♥ " + donate,
+ code: "M",
+ keyid: "mapnik",
+ name: I18n.t("javascripts.map.base.standard")
+ }));
+
+ if (OSM.THUNDERFOREST_KEY) {
+ this.baseLayers.push(new L.OSM.CycleMap({
+ attribution: copyright + ". Tiles courtesy of <a href='https://www.thunderforest.com/' target='_blank'>Andy Allan</a>",
+ apikey: OSM.THUNDERFOREST_KEY,