[Docs] Resolve .Site.AllPages deprecation

Signed-off-by: Junnygram <junnexclusive@gmail.com>

Author: Junnygram

assets/json/offline-search-index.json

@@ -0,0 +1,21 @@
+{{- $.Scratch.Add "offline-search-index" slice -}}
+{{- range hugo.Sites -}}
+{{- range where .Pages ".Params.exclude_search" "!=" true -}}
+{{- /* We have to apply `htmlUnescape` again after `truncate` because `truncate`
+   applies `html.EscapeString` if the argument is not HTML. */ -}}
+{{- /* Individual taxonomies can be added in the next line by adding '"taxonomy-name" (.Params.taxonomy-name | default "")' to the dict (as seen for categories and tags). */ -}}
+{{- $.Scratch.Add
+"offline-search-index"
+(dict
+"ref" .RelPermalink
+"title" .Title
+"categories" (.Params.categories | default "")
+"tags" (.Params.tags | default "")
+"description" (.Description | default "")
+"body" (.Plain | htmlUnescape)
+"excerpt" ((.Description | default .Plain) | htmlUnescape | truncate (.Site.Params.offlineSearchSummaryLength | default 70) | htmlUnescape)
+)
+-}}
+{{- end -}}
+{{- end -}}
+{{- $.Scratch.Get "offline-search-index" | jsonify -}}

hugo.yaml

@@ -11,7 +11,7 @@ markup:
 module:
   hugoVersion:
     extended: true
-    min: 0.146.0
+    min: 0.156.0
   imports:
 
     # used to source the base theme for academy.

layouts/_default/sitemap.xml

@@ -0,0 +1,22 @@
+{{ 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 hugo.Sites }}
+  {{ range .Pages }}
+  {{- if and (not .Params.sitemap_exclude) (not .Draft) }}
+  <url>
+    <loc>{{ .Permalink }}</loc>
+    {{- if not .Lastmod.IsZero }}
+    <lastmod>{{ .Lastmod.Format "2006-01-02T15:04:05-07:00" | safeHTML }}</lastmod>
+    {{- end }}
+    {{- with .Sitemap.ChangeFreq }}
+    <changefreq>{{ . }}</changefreq>
+    {{- end }}
+    {{- if ge .Sitemap.Priority 0.0 }}
+    <priority>{{ .Sitemap.Priority }}</priority>
+    {{- end }}
+  </url>
+  {{- end }}
+  {{ end }}
+  {{ end }}
+</urlset>