drupal8 menu dummy idea

menu--level.html.twig

{# level one  
menu--level.html.twog
#}
{% if menu_level = 1 %} 
  <nav class="menu menu-{{ menu-name}}"> 
{% endif %} 

  <ul class="level-{{ menu_level }}"> 
    {% for item in items %} 

      {% if item.link.active_trail %} 
        <li class="active-trail">{{ item.link }}</li>
      {% else %} 
        <li>
          <a href="{{ item.url }}" class="" {{ attributes }}>{{ item.link }}</a>
            {% if level== 1%}
              {% include menu-level :with item.children, menu_level+1 %}
            {% elseif level ==2 % }
              {% include menu-level-epic :with item.children, menu_level+2 %}
            {% %}
        </li>
     {% endif %} 

    {# item.children calls the menu--level--1.html.twig #}
    {{ item.children }}

    </li> 
    {% endfor %}
  </ul>

{% if menu_level = 1 %}
</nav>
{% endif %}

{# menu-level-epic .html.twig #}






{#
  menu--level--1.html.twog
#}
<ul class="level-{{ menu_level }}"> 
  {% for item in items %} 

    {% if item.link.active_trail %} 
      <li class="active-trail">{{ item.link }}</li>
    {% else %} 
      <li>{{ item.link }}</li>
   {% endif %} 
    {# item.children calls the menu--level--1.html.twig #}
    {{ item.children }}
  </li> 
  {% endfor %}
</ul>