{% extends "layout/default.html" %}

{% block head -%}

<meta property="og:type" content="article">
{% match post.metadata.short_desc %}
    {% when Some with (val) %}
        <meta property="og:description" content="{{ val }}">
    {% when None %}
        <meta property="og:description" content="The outer part of a shadow is called the penumbra.">
{% endmatch %}

{%- endblock %}

{% block image %}
{% match post.metadata.card_image_path %}
    {% when Some with (path) %}
        <meta property="twitter:image" content="https://{{ Self::domain() }}{{ path }}">
        <meta property="og:image" content="https://{{ Self::domain() }}{{ path }}">
    {% when None %}
        <meta property="twitter:image" content="https://{{ Self::domain() }}/shadowfacts.png">
        <meta property="og:image" content="https://{{ Self::domain() }}/shadowfacts.png">
{% endmatch %}
{% endblock %}

{% block title %}{{ post.metadata.title }}{% endblock %}

<article itemprop="blogPost" itemscope itemtype="https://schema.org/BlogPosting">
    <meta itemprop="mainEntityOfPage" content="https://{{ Self::domain() }}{{ self.permalink() }}">
</article>