route '*' do
  path = item.identifier.dup
  path.gsub!('_', '-')  # replace '_' by '-' (better SEO)
  path.downcase!        # convert to lowercase

  if item.binary?
    # /foo/ -> /foo.ext
    if item[:extension]
      item[:extension].nil? || (item[:content_filename].nil? && path =~ %r{#{item[:extension]}/$}) ? path.chop! : path.chop! + '.' + item[:extension]
    else
      path
    end
  else
    case item[:extension]
      when 'css', 'scss'
        path.chop! + '.css'
      when 'js'
        path.chop! + '.js'
      else
        item.identifier == '/' ? '/index.html' : path.chop! + '.html'
    end
  end
end