Twig macro to generate navigation tree

nav-fragment.twig

									<!-- Nav -->
										<nav id="nav">
{% macro tree(parent) %}
  {% import _self as utils %}
  {% for child in parent.children %}
    {% if child.page and not child.page.hidden %}
	<li><a href="{{ child.page.url }}">{{ child.page.title }}</a>{% endif %}
    {% if child.children and not child.page.hidden %}<ul>
        {{ utils.tree(child) }}
        </ul>{% endif %}</li>
    {% endfor %}
{% endmacro %}
											<ul id="pagetree">
													<li><a href="{{ pages["index"].url }}">{{ pages["index"].title }}</a></li>
{% import _self as utils %}
{{ utils.tree(pages["index"].tree_node) }}
											</ul>
										</nav>