mohsen-angular-leaflet-directive/src/services/nominatim.js

angular-leaflet-directive - An AngularJS directive to easily interact with Leaflet maps

angular.module('leaflet-directive').factory('nominatimService', function($q, $http, leafletHelpers, leafletMapDefaults) {
  var isDefined = leafletHelpers.isDefined;

  return {
    query: function(address, mapId) {
      var defaults = leafletMapDefaults.getDefaults(mapId);
      var url = defaults.nominatim.server;
      var df = $q.defer();

      $http.get(url, { params: { format: 'json', limit: 1, q: address } }).success(function(data) {
        if (data.length > 0 && isDefined(data[0].boundingbox)) {
          df.resolve(data[0]);
        } else {
          df.reject('[Nominatim] Invalid address');
        }
      });

      return df.promise;
    },
  };
});