Recursive Macro

nav.html

{% macro menu(items, class, home) %}
	{% import _self as parts %}

	<div class="lucky {{ class|default('main') }} menu">
		{% if home|default(true) %}
			<a href="{{ siteUrl }}">Home</a>
		{% endif %}
		{{ parts.menuItems(items) }}
	</div>
{% endmacro %}

{% macro menuItems(items) %}
	{% import _self as parts %}

	{% for item in items %}
		{% if item.hasDescendants() %}
			<div class="item">
				<a href="{{ item.url }}">{{ item.title }}</a>
				<div class="submenu">
					{{ parts.menuItems(item.getChildren()) }}
				</div>
			</div>
		{% else %}
		    <a class="item" href="{{ item.url }}">{{ item.title }}</a>
		{% endif %}
	{% endfor %}
{% endmacro %}