enabled_previews.rb in graphql-preview-0.0.2

- old
+ new

@@ -1,13 +1,11 @@
 module GraphQLPreview
   module Extensions
     module EnabledPreviews
-      def enabled_previews
-        @enabled_previews
-      end
+      def enabled_previews(previews = nil)
+        return @enabled_previews if previews.nil?
 
-      def enabled_previews=(previews)
         unless previews.is_a?(Array)
           raise ArgumentError, "Expected `enabled_previews` to be an array, but it was `#{previews.class}`"
         end
 
         previews.each do |preview|
@@ -15,9 +13,13 @@
             raise ArgumentError, "One of your `enabled_previews` items does not descend from `GraphQLPreview::SchemaModification`"
           end
         end
 
         @enabled_previews = previews
+      end
+
+      def enabled_previews=(previews)
+        enabled_previews(previews)
       end
     end
   end
 end