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fix: resume the preview image SEO tag (#529)

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Fix #529
This commit is contained in:
Cotes Chung
2022-03-16 19:43:23 +08:00
parent a60a4562bf
commit b8d1bcd3de
2 changed files with 26 additions and 3 deletions
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25
_includes/head.html
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@@ -23,7 +23,30 @@
{% endif %}
{% seo title=false %}
{% capture seo_tags %}
{% seo title=false %}
{% endcapture %}
{% if site.img_cdn and seo_tags contains 'og:image' %}
{% assign properties = 'og:image,twitter:image' | split: ',' %}
{% for prop in properties %}
{% if site.img_cdn contains '//' %}
<!-- `site.img_cdn` cross-origin URL -->
{% capture target %}<meta property="{{ prop }}" content="{{ site.url }}{% endcapture %}
{% capture replacement %}<meta property="{{ prop }}" content="{{ site.img_cdn }}{% endcapture %}
{% else %}
<!-- `site.img_cdn` is a local file path -->
{% capture target %}<meta property="{{ prop }}" content="{{ site.url }}{{ site.baseurl }}{% endcapture %}
{% assign replacement = target | append: site.img_cdn %}
{% endif %}
{% assign seo_tags = seo_tags | replace: target, replacement %}
{% endfor %}
{% endif %}
{{ seo_tags }}
<title>
{%- unless page.layout == "home" -%}