module SpreeGtm class Engine < Rails::Engine require 'spree/core' isolate_namespace Spree engine_name 'spree_gtm' # use rspec for tests config.generators do |g| g.test_framework :rspec end def self.activate Dir.glob(File.join(File.dirname(__FILE__), '../../app/**/*_decorator*.rb')) do |c| Rails.configuration.cache_classes ? require(c) : load(c) end end config.to_prepare &method(:activate).to_proc end end