Added og tags

source/themes/opdavies/opdavies/_layouts/default.html.twig

@@ -7,6 +7,7 @@
     {% if page.meta.description %}
       <meta name="description" content="{{ page.meta.description|e('html') }}">
     {% endif %}
+    {% if page.meta.og %}{% include "og" with {og: page.meta.og} %}{% endif %}
     <link rel="author" href="{{ site.url }}/humans.txt" />
     <title>{% if (page.front == true) and (site.subtitle) %}{{ site.subtitle }}{% else %}{{ page.title }}{% endif %} | {{ site.title }}</title>
     

source/themes/opdavies/opdavies/_partials/og.html.twig

@@ -0,0 +1,37 @@
+{% if og.title %}
+  <meta property="og:title" content="{{ og.title|raw }}"/>
+{% endif %}
+
+{% if og.description %}
+  <meta property="og:description" content="{{ og.description|raw }}"/>
+{% endif %}
+
+{% if og.type %}
+  <meta property="og:type" content="{{ og.type }}"/>
+{% endif %}
+
+{% if og.image and og.image.url %}
+  <meta property="og:image" content="{{ og.image.url }}"/>
+  {% if og.image.type %}
+    <meta property="og:image:type" content="{{ og.image.type }}"/>
+  {% endif %}
+  {% if og.image.width %}
+    <meta property="og:image:width" content="{{ og.image.width }}"/>
+  {% endif %}
+  {% if og.image.height %}
+    <meta property="og:image:height" content="{{ og.image.height }}"/>
+  {% endif %}
+{% endif %}
+
+{% if og.title %}
+  {% if og.image %}
+    <meta name="twitter:card" content="summary_large_image" />
+    <meta name="twitter:image:src" content="{{ og.image.url }}">
+    <meta name="twitter:creator" content="@opdavies" />
+  {% else %}
+    <meta name="twitter:card" content="summary" />
+  {% endif %}
+  <meta name="twitter:title" content="{{ og.title|raw }}" />
+  <meta name="twitter:description" content="{{ og.description|raw }}" />
+  <meta name="twitter:site" content="@opdavies" />
+{% endif %}