{% set summary_text = post.abstract | default(post.excerpt) %}
<article class="post-summary">
    <span class="post-summary__number" aria-label="Post number"
        >{% if post_number < 10 %}00{{ post_number }}{% elif post_number < 100
        %}0{{ post_number }}{% else %}{{ post_number }}{% endif %}</span
    >
    <div class="post-summary__body">
        <h2>
            <a href="{{ base_path }}{{ post.permalink | safe }}" rel="bookmark">
                {% if post.title %}{{ post.title }}{% else %}{{ post.slug }}{%
                endif %}
            </a>
        </h2>
        <div class="post-summary__meta">
            <time datetime="{{ post.date_iso }}"
                >{{ post.date_iso | format_date("%b %d, %Y") }}</time
            >
            <a
                class="post-permalink"
                href="{{ base_path }}{{ post.permalink | safe }}"
                >Permalink</a
            >
            {% if post.tags %}
            <ul class="post-tags" aria-label="Tags">
                {% for tag in post.tags %}
                <li>
                    <a
                        href="{{ base_path }}/tags/{{ tag | replace(' ', '-') | lower }}/"
                        >{{ tag }}</a
                    >
                </li>
                {% endfor %}
            </ul>
            {% endif %}
        </div>
        {% if summary_text %}
        <p>{{ summary_text }}</p>
        {% endif %}
    </div>
</article>