Sort on multiple properties by priority and ASC/DESC

usort-multiple-poperties.twig

{% for language in languages|sort((a, b) => [b.selected, a.title] <=> [a.selected, b.title]) %}
    <div class="{{ language.selected ? 'selected' }}">{{ language.title }}</div>
{% endfor %}
{# The order of properties determines priority #}
{# The order of a or b determines ASC or DESC sorting #}