class Importmap::Map

def draw(path = nil, &block)
  if path && File.exist?(path)
    begin
      instance_eval(File.read(path), path.to_s)
    rescue StandardError => e
      Rails.logger.error "Unable to parse import map from #{path}: #{e.message}"
      raise InvalidFile, "Unable to parse import map from #{path}: #{e.message}"
    end
  elsif block_given?
    instance_eval(&block)
  end
  self
end