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 +1,21 @@
+# 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"
+
+        Rails::CodeStatistics.register_directory(
+          "Policies", Rails.root.join("app/policies").to_s
+        )
+
+        %w[test/policies spec/policies].each do |dir|
+          path = Rails.root.join(dir)
+
+          Rails::CodeStatistics.register_directory("Policies tests", path.to_s, test_directory: true) if path.exist?
+        end
+      end
+    end
+  end
+end