hugo: generate metadata.json index

Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>

hugo.yaml

@@ -57,6 +57,11 @@ outputFormats:
     isPlainText: true
     mediaType: "application/json"
     notAlternative: true
+  metadata:
+    baseName: metadata
+    isPlainText: true
+    mediaType: "application/json"
+    notAlternative: true
   robots:
     baseName: robots
     isPlainText: true
@@ -67,12 +72,8 @@ outputs:
   home:
     - html
     - redirects
+    - metadata
     - robots
-  term:
-    - html
-    - json
-
-taxonomies:
 
 languages:
   en:

layouts/index.metadata.json

@@ -0,0 +1,8 @@
+[
+{{- range where site.Pages "Params.sitemap" "!=" false -}}
+  {{- $title := partialCached "utils/title.html" . . -}}
+  {{- $desc := partialCached "utils/description.html" . . -}}
+  {{- $kwd := partialCached "utils/keywords.html" . . -}}
+  {{- jsonify (dict "url" .Permalink "title" $title "description" $desc "keywords" $kwd) -}},
+{{- end -}}
+{}]

layouts/partials/utils/keywords.html

@@ -1,12 +1,11 @@
 {{ $keywords := "" }}
 {{ if .Keywords }}
-  {{ $keywords = .Keywords }}
+  {{ $keywords = strings.Split (collections.Delimit .Keywords " ") ", " }}
 {{ else }}
-  {{ $keywords = "docker, docker open source, docker platform, distributed applications, microservices, containers, docker containers, docker software, docker virtualization" }}
   {{ with .File }}
     {{ with (index (site.Data.frontmatter) .Path) }}
       {{ with .keywords }}
-        {{ $keywords = strings.Replace . "\n" " " | strings.TrimRight " " }}
+        {{ $keywords = strings.Split (strings.Trim . "\n") ", " }}
       {{ end }}
     {{ end }}
   {{ end }}