object oriented JS with angular factories

angular-object.js

var app = angular.module('someObject', []);

app.factory('SomeObject', function($http) {
  var SomeObject = function(someObject) {
    angular.extend(this, someObject);
    var self = this;
    
    this.initialize = function() {
      // pass
    };
    
    // Call init function for every new instance
    this.initialize();
  };
  // Return a reference to the function
  return (SomeObject);
});