privacyguides.org/theme/partials/path-item.html

<!-- {#
  Copyright (c) 2016-2023 Martin Donath <martin.donath@squidfunk.com>
  Copyright (c) 2023 Jonah Aragon <jonah@triplebit.net>

  Permission is hereby granted, free of charge, to any person obtaining a copy
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  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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  furnished to do so, subject to the following conditions:

  The above copyright notice and this permission notice shall be included in
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  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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  FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
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  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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#} -->
{% macro render(nav_item, ref = nav_item) %}
  {% if nav_item.children %}
    {% set first = nav_item.children | first %}
    {% if first.children %}
      {{ render(first, ref) }}
    {% else %}
      <a href="{{ first.canonical_url | url }}" class="md-path__link" property="item" typeof="WebPage">
        <span class="md-ellipsis" property="name">
          {{ ref.title }}
        </span>
      </a>
    {% endif %}
  {% else %}
    <a href="{{ nav_item.canonical_url | url }}" class="md-path__link" property="item" typeof="WebPage">
      <span class="md-ellipsis" property="name">
        {{ ref.title }}
      </span>
    </a>
  {% endif %}
{% endmacro %}