External links open in a new tab

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ

layouts/_partials/entries.html

@@ -1,7 +1,7 @@
 {{/* list of {title, url, text, platform} */}}
 <dl class="entries">
   {{ range . }}
-  <dt>{{ if .url }}<a href="{{ .url }}" rel="nofollow noopener">{{ .title | default .url }}</a>{{ else }}{{ .title }}{{ end }}{{ with .platform }} <small>{{ . }}</small>{{ end }}</dt>
+  <dt>{{ if .url }}<a href="{{ .url }}"{{ partial "ext.html" .url }}>{{ .title | default .url }}</a>{{ else }}{{ .title }}{{ end }}{{ with .platform }} <small>{{ . }}</small>{{ end }}</dt>
   {{ with .text }}<dd>{{ . | markdownify }}</dd>{{ end }}
   {{ end }}
 </dl>

layouts/_partials/ext.html

@@ -0,0 +1,5 @@
+{{- /* attributes for a link to this address: external ones open in a new tab */ -}}
+{{- if findRE `(?i)^(https?:)?//` (string .) -}}
+  {{- return (` target="_blank" rel="noopener"` | safeHTMLAttr) -}}
+{{- end -}}
+{{- return ("" | safeHTMLAttr) -}}