require 'roda' require 'opal-browser' class App < Roda plugin :sprockets, precompile: %w(application.js), prefix: %w(app/), root: __dir__, public_path: 'public/assets/', opal: true, debug: ENV['RACK_ENV'] != 'production' plugin :public route do |r| r.public r.sprockets r.root do <<~END My application #{ javascript_tag 'application' } #{ opal_require 'application' } END end end end