class Temple::Templates::Rails

def self.register_as(*names)
  raise 'Rails is not loaded - Temple::Templates::Rails cannot be used' unless defined?(::ActionView)
  if ::ActiveSupport::VERSION::MAJOR < 5
    raise "Temple supports only Rails 5 and greater, your Rails version is #{::ActiveSupport::VERSION::STRING}"
  end
  names.each do |name|
    ::ActionView::Template.register_template_handler name.to_sym, new
  end
end

def call(template, source = nil)
  opts = {}.update(self.class.options).update(file: template.identifier)
  if ActionView::Base.try(:annotate_rendered_view_with_filenames) && template.format == :html
    opts[:preamble] = "<!-- BEGIN #{template.short_identifier} -->\n"
    opts[:postamble] = "<!-- END #{template.short_identifier} -->\n"
  end
  self.class.compile((source || template.source), opts)
end

def supports_streaming?
  self.class.options[:streaming]
end