Switch to zeitwerk to load gem

draper.gemspec

@@ -20,6 +20,7 @@ Gem::Specification.new do |s|
 
   s.add_runtime_dependency "rails", ">= 6.1"
   s.add_runtime_dependency "request_store", ">= 1.0"
+  s.add_runtime_dependency "zeitwerk"
 
   s.add_development_dependency "appraisal"
   s.add_development_dependency "capybara"

lib/draper.rb

@@ -3,9 +3,11 @@
 require "active_support/concern"
 require "request_store"
 
-require "draper/view_context"
-require "draper/decorator"
-require "draper/version"
+require 'zeitwerk'
+loader = Zeitwerk::Loader.for_gem
+loader.ignore("#{__dir__}/rails")
+loader.ignore("#{__dir__}/test")
+loader.setup
 
 module Draper
   require "draper/engine" if defined?(Rails)

lib/draper/engine.rb

@@ -17,7 +17,17 @@ class Engine < ::Rails::Engine
     end
 
     config.after_initialize do |_app|
-      require "draper/test/rspec_integration" if Rails.env.test? && defined?(RSpec) && RSpec.respond_to?(:configure)
+      if Rails.env.test? && defined?(RSpec) && RSpec.respond_to?(:configure)
+        require "draper/test/rspec_integration"
+
+        RSpec.configure do |config|
+          config.include DecoratorExampleGroup, file_path: %r{spec/decorators}, type: :decorator
+
+          %i[decorator controller mailer].each do |type|
+            config.before(:each, type: type) { Draper::ViewContext.clear! }
+          end
+        end
+      end
     end
 
     rake_tasks do

lib/draper/test/rspec_integration.rb

@@ -6,12 +6,4 @@ module DecoratorExampleGroup
 
     included { metadata[:type] = :decorator }
   end
-
-  RSpec.configure do |config|
-    config.include DecoratorExampleGroup, file_path: %r{spec/decorators}, type: :decorator
-
-    %i[decorator controller mailer].each do |type|
-      config.before(:each, type: type) { Draper::ViewContext.clear! }
-    end
-  end
 end

lib/draper/view_context.rb

@@ -1,9 +1,5 @@
 # frozen_string_literal: true
 
-require "draper/view_context/build_strategy"
-require "draper/view_context/base_helper"
-require "draper/view_context/controller_helper"
-
 module Draper
   module ViewContext
     module_function