DRY default_files_with_class_names list of folders

lib/tailwindcss/compressor.rb

@@ -11,7 +11,7 @@ def self.call(input)
 
   def initialize(options = {})
     @options = {
-      files_with_class_names: files_with_class_names,
+      files_with_class_names: Tailwindcss::Purger.default_files_with_class_names,
       only_purge: %w[ tailwind ]
     }.merge(options).freeze
   end
@@ -23,11 +23,4 @@ def call(input)
       input[:data]
     end
   end
-
-  private
-    def files_with_class_names
-      Rails.root.glob("app/views/**/*.*") +
-        Rails.root.glob("app/helpers/**/*.rb") +
-        Rails.root.glob("app/javascript/**/*.js")
-    end
 end

lib/tailwindcss/purger.rb

@@ -39,6 +39,12 @@ def extract_class_names_from(files)
     def escape_class_selector(class_name)
       class_name.gsub(/\A\d|[^-_a-z0-9]/, '\\\\\0')
     end
+
+    def default_files_with_class_names
+      Rails.root.glob("app/views/**/*.*") +
+        Rails.root.glob("app/helpers/**/*.rb") +
+        Rails.root.glob("app/javascript/**/*.js")
+    end
   end
 
   def initialize(keep_these_class_names)

lib/tasks/tailwindcss_tasks.rake

@@ -16,7 +16,7 @@ namespace :tailwindcss do
 end
 
 def default_files_with_class_names
-  Rails.root.glob("app/views/**/*.*") + Rails.root.glob("app/helpers/**/*.rb")
+  Tailwindcss::Purger.default_files_with_class_names
 end
 
 def tailwind_css