partials.rb

# stolen from http://github.com/cschneid/irclogger/blob/master/lib/partials.rb
module Sinatra::Partials
  def partial(template, *args)
    options = args.last.is_a?(Hash) ? args.pop : {}
    options.merge!(:layout => false)
    if collection = options.delete(:collection) then
      collection.inject([]) do |buffer, member|
        buffer << erb(template, options.merge(:layout =>
        false, :locals => {template.to_sym => member}))
      end.join("\n")
    else
      template_array = template.to_s.split('/')
      template = template_array[0..-2].join('/') + "/_#{template_array[-1]}"
      erb(:"#{template}", options)
    end
  end
end