function map(feature, layer) {
  var name = feature.properties.name;
  var desc = feature.properties.description;
  var urla = desc.match(/\[\[(.+)\]\]/g);
    if (urla !== null){
      var url = urla[0].substr(2, urla[0].length-4);
    }
  layer.bindPopup(`<h3>${name}</h3><p>${desc.replace(/\n/g, '<br>').replace(/\[\[(.+)\]\]/g, `<a href=\"${url}\">${url}</a>`)}</p>`);
  //L.marker(latlng, {icon: customIcon});
  console.log(name);
}
Lumap.load("mymap", "sakata.umap", map);