lib/hanami/extensions/view/part.rb in hanami-2.1.0.beta2.1 vs lib/hanami/extensions/view/part.rb in hanami-2.1.0.rc1

@@ -2,22 +2,71 @@
 
 module Hanami
   module Extensions
     module View
       # @api private
+      # @since 2.1.0
       module Part
         def self.included(part_class)
           super
 
           part_class.extend(Hanami::SliceConfigurable)
-          part_class.include(StandardHelpers)
           part_class.extend(ClassMethods)
         end
 
         module ClassMethods
           def configure_for_slice(slice)
-            extend SliceConfiguredHelpers.new(slice)
+            extend SliceConfiguredPart.new(slice)
+
+            const_set :PartHelpers, Class.new(PartHelpers) { |klass|
+              klass.configure_for_slice(slice)
+            }
           end
+        end
+
+        # Returns an object including the default Hanami helpers as well as the user-defined helpers
+        # for the part's slice.
+        #
+        # Use this when you need to access helpers inside your part classes.
+        #
+        # @return PartHelpers
+        #
+        # @api public
+        # @since 2.1.0
+        def helpers
+          @helpers ||= self.class.const_get(:PartHelpers).new(context: _context)
+        end
+      end
+
+      # Standalone helpers class including both {StandardHelpers} as well as the user-defined
+      # helpers for the slice.
+      #
+      # Used used where helpers should be addressed via an intermediary object (i.e. in parts),
+      # rather than mixed into a class directly.
+      #
+      # @api private
+      # @since 2.1.0
+      class PartHelpers
+        extend Hanami::SliceConfigurable
+
+        include StandardHelpers
+
+        def self.configure_for_slice(slice)
+          extend SliceConfiguredHelpers.new(slice)
+        end
+
+        # @api public
+        # @since 2.1.0
+        attr_reader :_context
+
+        # @api public
+        # @since 2.1.0
+        alias_method :context, :_context
+
+        # @api private
+        # @since 2.1.0
+        def initialize(context:)
+          @_context = context
         end
       end
     end
   end
 end