lib/graphql/schema/union.rb in graphql-1.8.0.pre9 vs lib/graphql/schema/union.rb in graphql-1.8.0.pre10

@@ -21,9 +21,10 @@
           type_defn.description = description
           type_defn.possible_types = possible_types
           if respond_to?(:resolve_type)
             type_defn.resolve_type = method(:resolve_type)
           end
+          type_defn.metadata[:type_class] = self
           type_defn
         end
       end
     end
   end