Contents

# frozen_string_literal: true
module GraphQL
  module StaticValidation
    class FieldsAreDefinedOnType
      include GraphQL::StaticValidation::Message::MessageHelper

      def validate(context)
        visitor = context.visitor
        visitor[GraphQL::Language::Nodes::Field] << ->(node, parent) {
          parent_type = context.object_types[-2]
          parent_type = parent_type.unwrap
          validate_field(context, node, parent_type, parent)
        }
      end

      private

      def validate_field(context, ast_field, parent_type, parent)
        if parent_type.kind.union? && ast_field.name != '__typename'
          context.errors << message("Selections can't be made directly on unions (see selections on #{parent_type.name})", parent, context: context)
          return GraphQL::Language::Visitor::SKIP
        end

        field = context.warden.get_field(parent_type, ast_field.name)
        if field.nil?
          context.errors << message("Field '#{ast_field.name}' doesn't exist on type '#{parent_type.name}'", ast_field, context: context)
          return GraphQL::Language::Visitor::SKIP
        end
      end
    end
  end
end

Version data entries

47 entries across 47 versions & 1 rubygems

Version	Path
graphql-1.7.14	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.7.13	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.7.12	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.7.11	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.7.10	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.7.9	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.7.8	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.8.0.pre2	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.7.7	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.8.0.pre1	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.7.6	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.7.5	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.7.4	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.7.3	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.7.2	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.7.1	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.7.0	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.6.8	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.6.7	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb
graphql-1.6.6	lib/graphql/static_validation/rules/fields_are_defined_on_type.rb