class GraphQL::StaticValidation::LiteralValidator

def replace_nulls_in(ast_value)
  case ast_value
  when Array
    ast_value.map { |v| replace_nulls_in(v) }
  when GraphQL::Language::Nodes::InputObject
    ast_value.to_h
  when GraphQL::Language::Nodes::NullValue
    nil
  else
    ast_value
  end
end