Register policies directories for Rails 8 code statistics

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Added
+
+- Register policies directories for Rails 8 code statistics (#833)
+
 ## 2.4.0 (2024-08-26)
 
 ## Changed

lib/pundit.rb

@@ -11,6 +11,7 @@
 require "pundit/context"
 require "pundit/cache_store/null_store"
 require "pundit/cache_store/legacy_store"
+require "pundit/railtie" if defined?(Rails)
 
 # @api private
 # To avoid name clashes with common Error naming when mixing in Pundit,

lib/pundit/railtie.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+module Pundit
+  class Railtie < Rails::Railtie
+    if Rails.version.to_f >= 8.0
+      initializer "pundit.stats_directories" do
+        require "rails/code_statistics"
+
+        if Rails.root.join("app/policies").directory?
+          Rails::CodeStatistics.register_directory("Policies", "app/policies")
+        end
+
+        if Rails.root.join("test/policies").directory?
+          Rails::CodeStatistics.register_directory("Policy tests", "test/policies", test_directory: true)
+        end
+      end
+    end
+  end
+end