1 files changed, 22 insertions, 10 deletions
diff --git a/actionview/lib/action_view/view_paths.rb b/actionview/lib/action_view/view_paths.rb
index 717d6866c5..d5694d77f4 100644
--- a/actionview/lib/action_view/view_paths.rb
+++ b/actionview/lib/action_view/view_paths.rb
@@ -1,15 +1,15 @@
+# frozen_string_literal: true
+
 module ActionView
   module ViewPaths
     extend ActiveSupport::Concern
 
     included do
-      class_attribute :_view_paths
-      self._view_paths = ActionView::PathSet.new
-      self._view_paths.freeze
+      class_attribute :_view_paths, default: ActionView::PathSet.new.freeze
     end
 
     delegate :template_exists?, :any_templates?, :view_paths, :formats, :formats=,
-             :locale, :locale=, :to => :lookup_context
+             :locale, :locale=, to: :lookup_context
 
     module ClassMethods
       def _prefixes # :nodoc:
@@ -22,11 +22,11 @@ module ActionView
 
       private
 
-      # Override this method in your controller if you want to change paths prefixes for finding views.
-      # Prefixes defined here will still be added to parents' <tt>._prefixes</tt>.
-      def local_prefixes
-        [controller_path]
-      end
+        # Override this method in your controller if you want to change paths prefixes for finding views.
+        # Prefixes defined here will still be added to parents' <tt>._prefixes</tt>.
+        def local_prefixes
+          [controller_path]
+        end
     end
 
     # The prefixes used in render "foo" shortcuts.
@@ -43,13 +43,25 @@ module ActionView
     end
 
     def details_for_lookup
-      { }
+      {}
     end
 
+    # Append a path to the list of view paths for the current <tt>LookupContext</tt>.
+    #
+    # ==== Parameters
+    # * <tt>path</tt> - If a String is provided, it gets converted into
+    #   the default view path. You may also provide a custom view path
+    #   (see ActionView::PathSet for more information)
     def append_view_path(path)
       lookup_context.view_paths.push(*path)
     end
 
+    # Prepend a path to the list of view paths for the current <tt>LookupContext</tt>.
+    #
+    # ==== Parameters
+    # * <tt>path</tt> - If a String is provided, it gets converted into
+    #   the default view path. You may also provide a custom view path
+    #   (see ActionView::PathSet for more information)
     def prepend_view_path(path)
       lookup_context.view_paths.unshift(*path)
     end