Implement multilingual sitemap

_includes/sitemap-url.html

@@ -0,0 +1,30 @@
+{% assign p_done = "404" %}
+{% for p in include.objects %}
+ {% unless p.path contains ".xml" %}
+ {% unless p.path contains ".scss" %}
+ {% assign pname = p.path | split:"." | first %}
+ {% assign p_done_arr = p_done | split:"," %}
+ {% unless p_done_arr contains pname %}
+ <url>
+ <loc>{{ site.url }}{{ p.url | url_escape }}</loc>
+ {% assign versions = include.objects | where_exp:"p","p.path contains pname" %}
+ {% for v in versions %}
+ <xhtml:link
+ rel="alternate"
+ hreflang="{{ v.lang }}"
+ href="{{ site.url }}{{ v.url | url_escape }}"
+ />
+ {% endfor %}
+ {% assign p_done = p_done | append:"," | append:pname %}
+ {% if p.layout == "post" %}
+ <lastmod>{{ p.last_modified_at | default:p.date | date_to_xmlschema }}</lastmod>
+ {% endif %}
+ <changefreq>weekly</changefreq>
+ {% if p.layout == "home" %}
+ <priority>1</priority>
+ {% endif %}
+ </url>
+ {% endunless %}
+ {% endunless %}
+ {% endunless %}
+{% endfor %}

_layouts/sitemap.html

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaposts.org/schemas/sitemap/0.9"
+ xmlns:xhtml="http://www.w3.org/1999/xhtml" >
+ {% include sitemap-url.html objects=site.pages %}
+ {% include sitemap-url.html objects=site.posts %}
+</urlset>

sitemaps.xml

@@ -0,0 +1,3 @@
+---
+layout: sitemap
+---