web/_includes/img-url.html

41 lines
1.1 KiB
HTML

{%- comment -%}
Generate image final URL based on `site.img_cdn`, `page.img_path`
Arguments:
src - required, basic image path
img_path - optional, relative path of image
absolute - optional, boolean, if true, generate absolute URL
Return:
image URL
{%- endcomment -%}
{% assign url = include.src %}
{%- if url -%}
{% unless url contains ':' %}
{%- comment -%} Add page image path prefix {%- endcomment -%}
{% assign url = include.img_path | default: '' | append: '/' | append: url %}
{%- comment -%} CND URL {%- endcomment -%}
{% if site.img_cdn %}
{% assign url = site.img_cdn
| append: '/'
| append: url
| replace: '///', '/'
| replace: '//', '/'
| replace: ':/', '://'
%}
{% unless site.img_cdn contains ':' %}
{% if include.absolute %}
{% assign url = site.url | append: site.baseurl | append: url %}
{% else %}
{% assign url = site.baseurl | append: url %}
{% endif %}
{% endunless %}
{% endif %}
{% endunless %}
{%- endif -%}
{{- url -}}