_pages/year-archive.html

---
layout: archive
lang: en
ref: year-archive
permalink: /year-archive/
author_profile: true
---

<ul class="nav nav-tabs">
    <li data-toggle="tab" class="active title"><a data-toggle="tab" href="#postByYear">Posts by Year</a></li>
    <li data-toggle="tab" class="title"><a data-toggle="tab" href="#postByTag">Posts by Tag</a></li>
</ul>

<div class="tab-content">
    <div id="postByYear" class="tab-pane active">
        {% capture written_year %}'None'{% endcapture %}
        {% assign posts=site.posts | where: "lang", page.lang %}
        {% for post in posts %}
          {% capture year %}{{ post.date | date: '%Y' }}{% endcapture %}
          {% if year != written_year %}
            <h2 id="{{ year | slugify }}" class="archive__subtitle">{{ year }}</h2>
            {% capture written_year %}{{ year }}{% endcapture %}
          {% endif %}
          {% include archive-single.html %}
        {% endfor %}
    </div>
    <div id="postByTag" class="tab-pane fade">
        {% include base_path %}
        {% assign collections = site.posts | where: "lang", page.lang %}
        {% include group-by-array collection=collections field="tags" %}

        {% for tag in group_names %}
          {% assign posts = group_items[forloop.index0] %}
          <h2 id="{{ tag | slugify }}" class="archive__subtitle">{{ tag }}</h2>
          {% for post in posts %}
            {% include archive-single.html %}
          {% endfor %}
        {% endfor %}
    </div>
</div>