(* create map *)
let map =
  let container_id = "map" in
  Leaflet.Map.create container_id

(* setup map *)
let () =
  (* set osm layer *)
  let osm_layer = Leaflet.Layer.create_tile_osm None in
  Leaflet.Layer.add_to map osm_layer;

  (* set view *)
  let latlng = Leaflet.Latlng.create 40.71 (-74.0) in
  ignore @@ Leaflet.Map.set_view latlng ~zoom:(Some 13) map