Switched to Zeitwerk as autoloader. (#27)

Signed-off-by: Hermann Mayer <hermann.mayer92@gmail.com>

CHANGELOG.md

@@ -1,6 +1,6 @@
 ### next
 
-* TODO: Replace this bullet point with an actual description of a change.
+* Switched to Zeitwerk as autoloader (#27)
 
 ### 1.5.1 (9 January 2025)
 

factory_bot_instrumentation.gemspec

@@ -36,4 +36,5 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'factory_bot', '~> 6.2'
   spec.add_dependency 'rails', '>= 6.1'
   spec.add_dependency 'retries', '>= 0.0.5'
+  spec.add_dependency 'zeitwerk', '~> 2.6'
 end

lib/factory_bot/instrumentation.rb

@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+require 'active_support'
+require 'active_support/concern'
+require 'active_support/configurable'
+require 'active_support/cache'
+require 'active_support/core_ext/hash'
+require 'active_support/time'
+require 'active_support/time_with_zone'
+require 'retries'
+require 'factory_bot'
+
+module FactoryBot
+  # The top level namespace for the factory_bot_instrumentation gem.
+  module Instrumentation
+    # Setup a Zeitwerk autoloader instance and configure it
+    loader = Zeitwerk::Loader.for_gem_extension(FactoryBot)
+
+    # Finish the auto loader configuration
+    loader.setup
+
+    # Make sure to eager load all constants
+    loader.eager_load
+
+    class << self
+      attr_writer :configuration
+
+      # Retrieve the current configuration object.
+      #
+      # @return [Configuration]
+      def configuration
+        @configuration ||= Configuration.new
+      end
+
+      # Configure the concern by providing a block which takes
+      # care of this task. Example:
+      #
+      #   FactoryBot::Instrumentation.configure do |conf|
+      #     # conf.xyz = [..]
+      #   end
+      def configure
+        yield(configuration)
+      end
+
+      # Reset the current configuration with the default one.
+      def reset_configuration!
+        self.configuration = Configuration.new
+      end
+    end
+  end
+end

lib/factory_bot_instrumentation.rb

@@ -1,45 +1,3 @@
 # frozen_string_literal: true
 
-require 'active_support'
-require 'active_support/concern'
-require 'active_support/configurable'
-require 'active_support/cache'
-require 'active_support/core_ext/hash'
-require 'active_support/time'
-require 'active_support/time_with_zone'
-require 'retries'
-
-require 'factory_bot'
-require 'factory_bot/instrumentation/configuration'
-require 'factory_bot/instrumentation/engine'
-
-module FactoryBot
-  # The top level namespace for the factory_bot_instrumentation gem.
-  module Instrumentation
-    class << self
-      attr_writer :configuration
-    end
-
-    # Retrieve the current configuration object.
-    #
-    # @return [Configuration]
-    def self.configuration
-      @configuration ||= Configuration.new
-    end
-
-    # Configure the concern by providing a block which takes
-    # care of this task. Example:
-    #
-    #   FactoryBot::Instrumentation.configure do |conf|
-    #     # conf.xyz = [..]
-    #   end
-    def self.configure
-      yield(configuration)
-    end
-
-    # Reset the current configuration with the default one.
-    def self.reset_configuration!
-      self.configuration = Configuration.new
-    end
-  end
-end
+require 'factory_bot/instrumentation'