Apr 20 2008

Erubis with Sinatra

Sinatra doesn't yet seem to come with built in support for Erubis. If you want the relative speed bump of Erubis over standard ERB for your Sinatra application, the code below should do the trick. 

module Sinatra::Erb
  def erb(content, options={})
    begin
      require 'erubis'
      @@erb_class = Erubis::Eruby
    rescue LoadError
      require "erb"
      @@erb_class = ::ERB
    end
    render(:erb, content, options)
  end

  private

  def render_erb(content, options = {})
    @@erb_class.new(content).result(binding)
  end
end

Application code will not require any modifications, Sinatra will use Erubis if the gem is found in the load path.