{% set dismissable = dismissable|default('') %}
{% set alertType = alertType|default('growl') %}
{% set alertClasses = alertType == 'growl' ? 
    {notice: 'alert-growl', warning: 'alert-growl', error: 'alert-growl'} :
    {notice: 'alert-success', warning: 'alert-warning', error: 'alert-danger'}
%}
{% set flashes = flashes|default(app.flashes) %}

{% for type, messages in flashes %}
{% set message = messages is iterable ? messages[0] : messages %}
<div class="alert {{ attribute(alertClasses, type) ~ dismissable }} alert-new">
    <button type="button" class="close" data-dismiss="alert" aria-hidden="true"><i class="fa fa-times"></i></button>
    <span>{{ message }}</span>
</div>
{% endfor %}