class TinyMCE::Rails::Engine

def self.asset_host
  host = Rails.application.config.action_controller.asset_host
  if host.respond_to?(:call)
    # Callable asset hosts cannot be supported during
    # precompilation as there is no request object
    nil
  elsif host =~ /%d/
    # Load all TinyMCE assets from the first asset host
    normalize_host(host % 0)
  else
    normalize_host(host)
  end
end