#config.ru
require "./app.rb"
require "opal"
require "opal-sprockets"

map '/assets' do
  env = Opal::Environment.new
  env.append_path 'opal'
  env.append_path 'views'
  run env
end

run Sinatra::Application


#opal/test.rb
require "opal"
require "template"
require 'login'

puts Template['login'].render self

#file structure:
-views/
       login.opalerb