Contents

class GraphQL::StaticValidation::FragmentsAreOnCompositeTypes
  include GraphQL::StaticValidation::Message::MessageHelper

  HAS_TYPE_CONDITION = [
    GraphQL::Nodes::FragmentDefinition,
    GraphQL::Nodes::InlineFragment,
  ]

  def validate(context)
    HAS_TYPE_CONDITION.each do |node_class|
      context.visitor[node_class] << -> (node, parent) {
        validate_type_is_composite(node, context)
      }
    end
  end

  private

  def validate_type_is_composite(node, context)
    type_name = node.type
    type_def = context.schema.types[type_name]
    if type_def.nil? || !type_def.kind.composite?
      context.errors <<  message("Invalid fragment on type #{type_name} (must be Union, Interface or Object)", node)
      GraphQL::Visitor::SKIP
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
graphql-0.5.0	lib/graph_ql/static_validation/rules/fragments_are_on_composite_types.rb
graphql-0.4.0	lib/graph_ql/static_validation/rules/fragments_are_on_composite_types.rb
graphql-0.3.0	lib/graph_ql/static_validation/rules/fragments_are_on_composite_types.rb