Twig macro - [time ~ 2.8s]

macro.html.twig

{% import _self as recursive_category_macro %}

{% macro recursive_category(category, recursive_category_macro) %}
    <li>
        <h4>{{ category.nameRu }}</h4>

        {% if category.SChildren|length %}
            <ul>
                {% for child in category.SChildren %}
                    {{ recursive_category_macro.recursive_category(child, recursive_category_macro) }}
                {% endfor %}
            </ul>
        {% endif %}
    </li>
{% endmacro %}

{% if categories %}
    <div id="categories">
        <ul>
            {% for category in categories %}
                {{ recursive_category_macro.recursive_category(category, recursive_category_macro) }}
            {% endfor %}
        </ul>
    </div>
{% endif %}