Manage passing data to sub templates without a service

ng_sub_method.coffee

angular.element(document).ready ->
  @mymodule = angular.module 'mymodule'
  @mymodule.config [() ->
    angular.extend angular, {
      isPromise: (promise) -> 
        promise && (promise.then || promise.$then || (promise.$promise && promise.$promise.then))
    }
  ]
  @mymodule.controller 'SomeSubController', () ->
    if (promiseFn = angular.isPromise($scope.polymorphicObj))
      promiseFn (data) ->
        someFunc(data.polymorphicRelation)
    else
      someFunc($scope.polymorphicObj.polymorphicRelation)
    someFunc = (someJson) ->
      console.log someJson