class GraphQL::StaticValidation::FieldsAreDefinedOnType

Public Instance Methods

validate(context) click to toggle source
# File lib/graphql/static_validation/rules/fields_are_defined_on_type.rb, line 7
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 Instance Methods

validate_field(context, ast_field, parent_type, parent) click to toggle source
# File lib/graphql/static_validation/rules/fields_are_defined_on_type.rb, line 18
def validate_field(context, ast_field, parent_type, parent)
  field = context.warden.get_field(parent_type, ast_field.name)

  if field.nil?
    if parent_type.kind.union?
      context.errors << message("Selections can't be made directly on unions (see selections on #{parent_type.name})", parent, context: context)
    else
      context.errors << message("Field '#{ast_field.name}' doesn't exist on type '#{parent_type.name}'", ast_field, context: context)
    end
    return GraphQL::Language::Visitor::SKIP
  end
end