indiekit-blog/_includes/components/webmentions.njk

{# Webmentions Component #}
{# Displays likes, reposts, and replies for a post #}
{# Also checks legacy URLs from micro.blog and old blog for historical webmentions #}
{# Client-side JS supplements build-time data with real-time fetches #}

{% set mentions = webmentions | webmentionsForUrl(page.url, urlAliases) %}
{% set absoluteUrl = site.url + page.url %}
{% set buildTimestamp = "" | timestamp %}

{# Data container for client-side JS to fetch new webmentions #}
<div data-webmentions
     data-target="{{ absoluteUrl }}"
     data-domain="{{ site.webmentions.domain }}"
     data-buildtime="{{ buildTimestamp }}"
     class="hidden"></div>

{% if mentions.length %}
<section class="webmentions mt-8 pt-8 border-t border-surface-200 dark:border-surface-700" id="webmentions">
  <h2 class="text-xl font-bold text-surface-900 dark:text-surface-100 mb-6">
    Webmentions ({{ mentions.length }})
  </h2>

  {# Likes #}
  {% set likes = mentions | webmentionsByType('likes') %}
  {% if likes.length %}
  <div class="webmention-likes mb-6">
    <h3 class="text-sm font-semibold text-surface-600 dark:text-surface-400 uppercase tracking-wide mb-3">
      {{ likes.length }} Like{% if likes.length != 1 %}s{% endif %}
    </h3>
    <div class="avatar-row">
      {% for like in likes %}
      <a href="{{ like.author.url }}"
         class="inline-block"
         title="{{ like.author.name }}"
         target="_blank"
         rel="noopener">
        <img
          src="{{ like.author.photo or '/images/default-avatar.svg' }}"
          alt="{{ like.author.name }}"
          class="w-8 h-8 rounded-full"
          loading="lazy"
        >
      </a>
      {% endfor %}
    </div>
  </div>
  {% endif %}

  {# Reposts #}
  {% set reposts = mentions | webmentionsByType('reposts') %}
  {% if reposts.length %}
  <div class="webmention-reposts mb-6">
    <h3 class="text-sm font-semibold text-surface-600 dark:text-surface-400 uppercase tracking-wide mb-3">
      {{ reposts.length }} Repost{% if reposts.length != 1 %}s{% endif %}
    </h3>
    <div class="avatar-row">
      {% for repost in reposts %}
      <a href="{{ repost.author.url }}"
         class="inline-block"
         title="{{ repost.author.name }}"
         target="_blank"
         rel="noopener">
        <img
          src="{{ repost.author.photo or '/images/default-avatar.svg' }}"
          alt="{{ repost.author.name }}"
          class="w-8 h-8 rounded-full"
          loading="lazy"
        >
      </a>
      {% endfor %}
    </div>
  </div>
  {% endif %}

  {# Replies #}
  {% set replies = mentions | webmentionsByType('replies') %}
  {% if replies.length %}
  <div class="webmention-replies">
    <h3 class="text-sm font-semibold text-surface-600 dark:text-surface-400 uppercase tracking-wide mb-4">
      {{ replies.length }} Repl{% if replies.length != 1 %}ies{% else %}y{% endif %}
    </h3>
    <ul class="space-y-4">
      {% for reply in replies %}
      <li class="p-4 bg-surface-100 dark:bg-surface-800 rounded-lg">
        <div class="flex gap-3">
          <a href="{{ reply.author.url }}" target="_blank" rel="noopener">
            <img
              src="{{ reply.author.photo or '/images/default-avatar.svg' }}"
              alt="{{ reply.author.name }}"
              class="w-10 h-10 rounded-full"
              loading="lazy"
            >
          </a>
          <div class="flex-1 min-w-0">
            <div class="flex items-baseline gap-2 mb-1">
              <a href="{{ reply.author.url }}"
                 class="font-semibold text-surface-900 dark:text-surface-100 hover:underline"
                 target="_blank"
                 rel="noopener">
                {{ reply.author.name }}
              </a>
              <a href="{{ reply.url }}"
                 class="text-xs text-surface-500 hover:underline"
                 target="_blank"
                 rel="noopener">
                <time datetime="{{ reply.published }}">
                  {{ reply.published | date("MMM d, yyyy") }}
                </time>
              </a>
            </div>
            <div class="text-surface-700 dark:text-surface-300 prose dark:prose-invert prose-sm max-w-none">
              {{ reply.content.html | safe if reply.content.html else reply.content.text }}
            </div>
          </div>
        </div>
      </li>
      {% endfor %}
    </ul>
  </div>
  {% endif %}

  {# Other mentions #}
  {% set otherMentions = mentions | webmentionsByType('mentions') %}
  {% if otherMentions.length %}
  <div class="webmention-mentions mt-6">
    <h3 class="text-sm font-semibold text-surface-600 dark:text-surface-400 uppercase tracking-wide mb-3">
      {{ otherMentions.length }} Mention{% if otherMentions.length != 1 %}s{% endif %}
    </h3>
    <ul class="space-y-2 text-sm">
      {% for mention in otherMentions %}
      <li>
        <a href="{{ mention.url }}"
           class="text-primary-600 dark:text-primary-400 hover:underline"
           target="_blank"
           rel="noopener">
          {{ mention.author.name }} mentioned this on {{ mention.published | date("MMM d, yyyy") }}
        </a>
      </li>
      {% endfor %}
    </ul>
  </div>
  {% endif %}
</section>
{% endif %}

{# Webmention send form #}
<section class="webmention-form mt-8 p-4 bg-surface-100 dark:bg-surface-800 rounded-lg">
  <h3 class="text-sm font-semibold text-surface-700 dark:text-surface-300 mb-2">
    Send a Webmention
  </h3>
  <p class="text-xs text-surface-600 dark:text-surface-400 mb-3">
    Have you written a response to this post? Send a webmention by entering your post URL below.
  </p>
  <form action="https://webmention.io/{{ site.webmentions.domain }}/webmention" method="post" class="flex gap-2">
    <input type="hidden" name="target" value="{{ site.url }}{{ page.url }}">
    <input
      type="url"
      name="source"
      placeholder="https://your-site.com/response"
      required
      class="flex-1 px-3 py-2 text-sm bg-white dark:bg-surface-700 border border-surface-300 dark:border-surface-600 rounded focus:outline-none focus:ring-2 focus:ring-primary-500"
    >
    <button
      type="submit"
      class="px-4 py-2 text-sm font-medium text-white bg-primary-600 hover:bg-primary-700 rounded transition-colors">
      Send
    </button>
  </form>
</section>