Loading and resolving controller and component declaration with when.js "all" method

Controller_and_declaration.coffee

# blank method
            callback = (resultClass) ->

            # loading controllers directly instead of modules 
            require ["modules/" + name + "/" + name + "Controller", "modules/" + name + "/declaration"], (ControllerClass, declaration) =>

                types = findNested(declaration.componentItems, "itemType")
                console.log types
                promises = []

                for type in types
                    promises.push(resolver.resolveControl type, callback)

                When.all(promises).then((res) =>
                                    
                        @controller = new ControllerClass(
                            region: new Backbone.Marionette.Region({el: @$el})
                            moduleContext: @
                            activityRegistrator: activityRegistrator
                            declaration: declaration
                        )

                        # if show method provided by controller, it will be invoked
                        if @controller["show"]
                            @controller.show()

                    , (err) ->
                        console.log "ERROR", err
                )