修复集合文章上一页/下一页可能错误跳转至其它语言的问题

Author: neveler

_includes/post_pagination.html

@@ -1,13 +1,22 @@
 {% assign locale = include.locale | default: page.locale | default: layout.locale | default: site.locale %}
-{% if page.previous or page.next %}
+{%- assign next = page.next -%}
+{%- assign previous = page.previous -%}
+{%- assign collection = site.collections | where: "label", page.collection | first -%}
+{%- for document in collection.docs -%}
+{%- if page.locale == next.locale and page.locale == previous.locale %}{% break %}{% endif -%}
+{%- if page.locale != next.locale %}{% assign next = next.next %}{% endif -%}
+{%- if page.locale != previous.locale %}{% assign previous = previous.previous %}{% endif -%}
+{%- endfor -%}
+
+{% if previous or next %}
   <nav class="pagination">
-    {% if page.previous %}
-      <a href="{{ page.previous.url | relative_url }}" class="pagination--pager" title="{{ page.previous.title | markdownify | strip_html | strip}}">{{ site.data.ui-text[locale].pagination_previous | default: "Previous" }}</a>
+    {% if previous %}
+      <a href="{{ previous.url | relative_url }}" class="pagination--pager" title="{{ previous.title | markdownify | strip_html | strip}}">{{ site.data.ui-text[locale].pagination_previous | default: "Previous" }}</a>
     {% else %}
       <a href="#" class="pagination--pager disabled">{{ site.data.ui-text[locale].pagination_previous | default: "Previous" }}</a>
     {% endif %}
-    {% if page.next %}
-      <a href="{{ page.next.url | relative_url }}" class="pagination--pager" title="{{ page.next.title | markdownify | strip_html | strip}}">{{ site.data.ui-text[locale].pagination_next | default: "Next" }}</a>
+    {% if next %}
+      <a href="{{ next.url | relative_url }}" class="pagination--pager" title="{{ next.title | markdownify | strip_html | strip}}">{{ site.data.ui-text[locale].pagination_next | default: "Next" }}</a>
     {% else %}
       <a href="#" class="pagination--pager disabled">{{ site.data.ui-text[locale].pagination_next | default: "Next" }}</a>
     {% endif %}