class Pagy

def setup_request_path_var
  request_path = @vars[:request_path]
  return if request_path.to_s.empty?
  raise VariableError.new(self, :request_path, 'must be a bare path like "/foo"', request_path) \
        if !request_path.start_with?('/') || request_path.include?('?')
  @request_path = request_path
end