Generalize translation menus

exampleSite/content.pt/blog/markdown-syntax.md

@@ -3,6 +3,7 @@ title: "Guia da sintaxe markdown"
 date: "2020-01-03"
 description: "Sample article showcasing basic Markdown syntax and formatting for HTML elements."
 tags: ["markdown", "syntax"]
+slug: "sintaxe-markdown"
 ---
 
 For a quick cheatsheet, check out https://simplemde.com/markdown-guide.

exampleSite/content/blog/not-translated.md

@@ -0,0 +1,7 @@
+---
+title: "This File Was Not Translated"
+date: "2023-02-03"
+description: "An untranslated file"
+---
+
+Lorem ipsum.

layouts/partials/nav.html

@@ -1,15 +1,23 @@
 {{ range .Site.Menus.main.ByWeight }}
-  <a href="{{ .URL | absLangURL }}">{{ .Name }}</a>
+  <a href="{{ absLangURL .URL }}">{{ .Name }}</a>
 {{ end }}
-<a href='mailto:{{ .Site.Params.email }}?subject={{ i18n "email-subject" }}"{{ .Page.Title | default .Site.Title }}"'>Email</a>
+<a href='mailto:{{ .Site.Params.email }}?subject={{ i18n "email-subject" }}"{{ default .Site.Title .Page.Title }}"'>Email</a>
 <a href="/index.xml">RSS</a>
-{{ $pageLang := .Page.Lang }}
-{{ if .IsTranslated }}
-  {{ range .Translations }}
-    {{ if ne $pageLang .Lang }}
-      <a href="{{ .Permalink }}">{{ .Language.LanguageName }}</a>
+
+<!-- Convert this page's translations into a dict -->
+{{ $translations := dict }}
+{{ range .Translations }}
+  {{ $translations = merge $translations (dict .Language.Lang .) }}
+{{ end }}
+
+<!-- Create a link to every translation -->
+{{ range where .Site.Languages "Lang" "!=" .Page.Lang }}
+  {{ with (index $translations .Lang) }}
+    <a href="{{ .Permalink }}">{{ .Language.LanguageName }}</a>
+  {{ else }}
+    <!-- The complicated setup was necessary to make a grayed out link -->
+    {{ if not .Params.hideUntranslated }}
+      <a class="disabled" href="">{{ .LanguageName }}</a>
     {{ end }}
   {{ end }}
-{{ else if not .Site.Params.hideUntranslated }}
-  <a class="disabled" href="">{{ .Language.LanguageName }}</a>
 {{ end }}