page.rb

#   helpers do
#     def page
#       @page ||= Page.new
#     end
#   end

class Page
  attr_accessor :title

  def initialize
    @attrs = {}
    @stylesheets = []
    @javascripts = []
  end

  def [](key)
    @attrs[key]
  end

  def []=(key, value)
    @attrs[key] = value
  end

  def stylesheet(name)
    @stylesheets << name
  end

  def javascript(name)
    @javascripts << name
  end

  def stylesheets
    ["reset"] + @stylesheets
  end

  def javascripts
    @javascripts
  end

  def to_s
    [@title, "Your app"].compact.join(" – ")
  end
end