namespace :erb do
  desc 'Convert erb tempaltes to slim'
  task :to_slim do
    require 'html2slim'

    FileList["#{Rails.root}/app/views/**/*.html.erb",
             "#{Rails.root}/frontend/**/*.html.erb"].each do |erb|

      slim_output = erb.sub(/\.erb$/, '.slim')

      puts "conventing #{erb} .."
      File.open erb, 'r' do |f|
        content = HTML2Slim.convert!(f, :erb)
        IO.write(slim_output, content)
      end
      puts "converted to #{slim_output} ."
    end
  end
end