From 1283f3d31243d1ac63ce718c4039ba6b85f5d721 Mon Sep 17 00:00:00 2001
From: Serghei Iakovlev <egrep@protonmail.ch>
Date: Thu, 2 Jun 2022 23:41:46 +0200
Subject: Provide ability to hide particular page from the sitemap

---
 CHANGELOG.md                 |  2 ++
 layouts/_default/sitemap.xml | 24 ++++++++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 layouts/_default/sitemap.xml

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c9da82..cf92297 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Provide ability to include custom scripts in the theme
 - Provide ability to specify custom language of a post
 - Add tagging support
+- Provide ability to hide particular page from the sitemap by using
+  `private: true` in front matter
 
 ### Changed
 
diff --git a/layouts/_default/sitemap.xml b/layouts/_default/sitemap.xml
new file mode 100644
index 0000000..3745dc5
--- /dev/null
+++ b/layouts/_default/sitemap.xml
@@ -0,0 +1,24 @@
+{{- $dateFormat := site.Params.dateFormatFeed | default "2006-01-02T15:04:05-07:00" -}}
+
+{{- printf "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\"?>" | safeHTML }}
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
+  xmlns:xhtml="http://www.w3.org/1999/xhtml">
+  {{ range .Data.Pages }}{{ if ne .Params.private true }}
+  <url>
+    <loc>{{ .Permalink }}</loc>{{ if not .Lastmod.IsZero }}
+    <lastmod>{{ safeHTML ( .Lastmod.Format $dateFormat | html ) }}</lastmod>{{ end }}{{ with .Sitemap.ChangeFreq }}
+    <changefreq>{{ . }}</changefreq>{{ end }}{{ if ge .Sitemap.Priority 0.0 }}
+    <priority>{{ .Sitemap.Priority }}</priority>{{ end }}{{ if .IsTranslated }}{{ range .Translations }}
+    <xhtml:link
+                rel="alternate"
+                hreflang="{{ .Language.Lang }}"
+                href="{{ .Permalink }}"
+                />{{ end }}
+    <xhtml:link
+                rel="alternate"
+                hreflang="{{ .Language.Lang }}"
+                href="{{ .Permalink }}"
+                />{{ end }}
+  </url>
+  {{ end }}{{ end }}
+</urlset>
-- 
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