link.twig

{#
/**
 * Available variables:
 * - link_content - the content of the link (typically text)
 * - link_url - the url this link should poing to
 * - link_attributes - array of attribute,value pairs
 * - link_base_class - the base class name
 * - link_modifiers - array of modifiers to add to the base classname
#}

{% set link_base_class = link_base_class|default('link') %}
{% set classes_array = [link_base_class] %}

{% if link_modifiers is defined %}
  {% for link_modifier in link_modifiers %}
    {% set classes_array = classes_array|merge(["#{link_base_class}--#{link_modifier}"]) %}
  {% endfor %}
  {% set link_classes = classes_array|join(' ') %}
{% else %}
  {% set link_classes = link_base_class %}
{% endif %}

<a
  class="{{ link_classes }}"
  {% for attribute,value in link_attributes %}
    {{ attribute }}="{{ value }}"
  {% endfor %}
  href="{{ link_url }}"
 >
  {% block link_content %}
    <span class="link-content">{{ link_content }}</span>
  {% endblock %}
</a>