website/templates/nav.html

{%- macro main_nav() %}
  <ul class="mainnav">
    {%- for item in config.extra.sitenav -%}
      {%- set url = get_url(path=item.path, lang=lang) -%}
      {%- set is_curr_url = false -%}
      {%- if current_url is defined -%}
        {%- set is_curr_url = url == current_url -%}
      {%- endif -%}
      {%- if is_curr_url %}
        <li class="muted">{{item[lang]}}</li>
      {%- else %}
        <li><a href="{{url|safe}}">{{item[lang]}}</a></li>
      {%- endif %}
    {%- endfor %}
  </ul>
{%- endmacro -%}

{%- macro lang_picker(transarr) -%}
  {%- set currlang = lang -%}
  {%- set translations = [] -%}
  {%- for t in transarr -%}
    {%- if t.title -%}
      {%- set_global translations = translations | concat(with=t) -%}
    {%- endif -%}
  {%- endfor -%}
  <ul class="translist">
  {%- for t in translations -%}
    {%- if t.lang != currlang -%}
      <li><a href="{{t.permalink|safe}}" hreflang="{{t.lang}}" title="{{t.title}}">{{t.lang|upper}}</a></li>
    {%- else -%}
      <li>{{t.lang|upper}}</li>
    {%- endif -%}
  {%- else -%}
    <!-- no translations -->
  {%- endfor -%}
  </ul>
{%- endmacro -%}