class Sprockets::Asset

def init_with(environment, coder)
  @environment = environment
  @pathname = @mtime = @length = nil
  self.class.serialized_attributes.each do |attr|
    instance_variable_set("@#{attr}", coder[attr].to_s) if coder[attr]
  end
  if @pathname && @pathname.is_a?(String)
    # Expand `$root` placeholder and wrapper string in a `Pathname`
    @pathname = Pathname.new(expand_root_path(@pathname))
  end
  if @mtime && @mtime.is_a?(String)
    # Parse time string
    @mtime = Time.parse(@mtime)
  end
  if @length && @length.is_a?(String)
    # Convert length to an `Integer`
    @length = Integer(@length)
  end
end