WIP Dataloader support

Author: DmitryTsepelev

lib/graphql/fragment_cache/object_helpers.rb

@@ -48,6 +48,12 @@ def cache_fragment(object_to_cache = NO_OBJECT, **options, &block)
 
         fragment = Fragment.new(context_to_use, **options)
 
+        # TODO: spec
+        if options[:dataloader]
+          object_to_cache = block.call
+          block = nil
+        end
+
         GraphQL::FragmentCache::Schema::LazyCacheResolver.new(fragment, context_to_use, object_to_cache, &block)
       end
     end