install (node.js + npm required):

configure:

add coffee filter to assetic configuration:

using:

twig:

{% verbatim %}{% raw %}
{% javascripts filter='coffee'
    '@QcmsAdminBundle/Resources/public/coffee/menu.coffee'
    '@QcmsAdminBundle/Resources/public/coffee/ui-tabs.coffee'
%}
    <script src="{{ asset_url }}"></script>
{% endjavascripts %}
{% endraw %}{% endverbatim %}