Contents

# frozen_string_literal: true
module GraphQL
  module StaticValidation
    module FragmentsAreOnCompositeTypes
      def on_fragment_definition(node, parent)
        validate_type_is_composite(node) && super
      end

      def on_inline_fragment(node, parent)
        validate_type_is_composite(node) && super
      end

      private

      def validate_type_is_composite(node)
        node_type = node.type
        if node_type.nil?
          # Inline fragment on the same type
          true
        else
          type_name = node_type.to_query_string
          type_def = context.warden.get_type(type_name)
          if type_def.nil? || !type_def.kind.composite?
            add_error("Invalid fragment on type #{type_name} (must be Union, Interface or Object)", node)
            false
          else
            true
          end
        end
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
graphql-1.9.0.pre1	lib/graphql/static_validation/rules/fragments_are_on_composite_types.rb