handlebars renderer for Ruby On Rails 3.1 using hbs gem

hbs_renderer.rb

require 'handlebars'

module HBSTemplateHandler
  def self.call(template)
    if template.locals.include? :hbs
      <<-TEMPLATE
      template = Handlebars.compile #{template.source.inspect}
      template.call(hbs || {}).html_safe
      TEMPLATE
    else
      <<-SOURCE
      #{template.source.inspect}.html_safe
      SOURCE
    end
  end
end

# Register HBS template handler to render Handlebars templates
ActionView::Template.register_template_handler(:hbs, HBSTemplateHandler)

# Make HBS'es of handlebars_assets usable from ruby
ActionController::Base.append_view_path "app/assets/templates"