Merge pull request #1091 from d-oit/main

Save and load the selected language on domain level

.eslintignore

@@ -1,3 +1,4 @@
+assets/js/critical/languageSelector.js
 assets/js/critical/color.js
 assets/js/analytics.js
 assets/js/flexsearch.js

assets/js/critical/languageSelector.js

@@ -0,0 +1,65 @@
+/* eslint-disable */
+{{- if site.Params.main.enableLanguageSelectionStorage -}} 
+
+(() => {
+  'use strict'
+
+  // Function to get the selected language from localStorage
+  function getLanguage () {
+    return localStorage.getItem('selectedLanguage')
+  }
+
+  // Function to set the selected language in localStorage
+  function setLanguage (language) {
+    localStorage.setItem('selectedLanguage', language)
+  }
+
+  // Function to apply the selected language to the website
+  function applyLanguage (language, href) {
+    if (document.documentElement.lang !== language) {
+      if (href) {
+        if (window.location.pathname !== href) {
+          window.location.href = href
+        }
+      } else {
+        window.location.href = '/' + language + '/'
+      }
+    }
+  }
+
+  // Event listener for language selection
+  document.addEventListener('DOMContentLoaded', () => {
+    const storedLanguage = getLanguage()
+    const languageItems = document.querySelectorAll('#language-selector .dropdown-item')
+
+    if (languageItems.length > 0) {
+      // Redirect if the stored language differs from the active language
+      if ((storedLanguage) && (document.documentElement.lang !== storedLanguage)) {
+        languageItems.forEach(item => {
+          if (item.getAttribute('hreflang') === storedLanguage) {
+            applyLanguage(storedLanguage, item.getAttribute('href'))
+          }
+        })
+      }
+
+      // Update the stored language when the user selects a new one
+      languageItems.forEach(item => {
+        item.addEventListener('click', () => {
+          const selectedLanguage = item.getAttribute('hreflang')
+
+          if (selectedLanguage) {
+            setLanguage(selectedLanguage)
+          }
+        })
+      })
+    }
+    else {
+      // Redirect to the localized homepage
+      const defaultLang = '{{ site.LanguageCode | default site.Language.Lang }}'
+      let language = storedLanguage ? storedLanguage : defaultLang
+      window.location.href = '/' + language + '/'
+    }
+  })
+})()
+{{- end -}} 
+/* eslint-enable */

config/_default/params.toml

@@ -3,6 +3,7 @@
     separator = "-"
     description = "Hinode is a clean documentation and blog theme for your Hugo site based on Bootstrap 5."
     enableDarkMode = true
+    enableLanguageSelectionStorage = false
     modes = ["light", "dark"]
     canonifyAssetsURLs = false
     endorse = true

exampleSite/.gitignore

@@ -1,4 +1,5 @@
-/_vendor
+_vendor/
+exampleSite/public/
 public/
 resources/
 

exampleSite/config/_default/params.toml

@@ -2,6 +2,7 @@
     separator = "-"
     description = "Hinode is a clean documentation and blog theme for your Hugo site based on Bootstrap 5."
     enableDarkMode = true
+    enableLanguageSelectionStorage = true
     modes = ["light", "dark"]
     canonifyAssetsURLs = false
     footerBelowFold = false

exampleSite/hugo_stats.json

@@ -547,6 +547,7 @@
       "indicateur-de-chargement",
       "infobulle",
       "invite-de-commandes",
+      "language-selector",
       "leaflet-map-0",
       "lien",
       "link",

layouts/alias.html

@@ -7,6 +7,10 @@
     <meta name="robots" content="noindex">
     <meta charset="utf-8">
     <noscript><meta http-equiv="refresh" content="0; url={{ .Permalink }}"></noscript>
-    <script src='{{ partial "utilities/GetStaticURL" (dict "url" "js/alias.js") }}'></script>
+    {{ if site.Params.main.enableLanguageSelectionStorage }} 
+      {{- partial "footer/scripts.html" (dict "filename" "js/critical.bundle.js" "match" "js/critical/**.js" "header" true "page" page) -}}
+    {{ else }}
+      <script src='{{ partial "utilities/GetStaticURL" (dict "url" "js/alias.js") }}'></script>
+    {{ end }}
   </head>
 </html>

layouts/partials/assets/navbar.html

@@ -267,14 +267,14 @@
                             <a class="nav-link dropdown-toggle d-none d-{{ $size }}-block" href="#!" role="button" data-bs-toggle="dropdown" aria-label="{{ T "languageSwitcherLabel" }}" aria-expanded="false">
                                 {{- partial "assets/icon.html" (dict "icon" "fas globe fa-fw" "spacing" false) }}
                             </a>
-                            <ul class="dropdown-menu dropdown-menu-end ">
+                            <ul class="dropdown-menu dropdown-menu-end " id="language-selector">
                                 {{- if $page.IsTranslated -}}
                                     {{- range $page.AllTranslations -}}
-                                        <li><a class="dropdown-item {{ if eq .Language.Lang $currentLang }}active{{ end }}" href="{{ .RelPermalink }}">{{ .Language.LanguageName  }}</a></li>
+                                        <li><a class="dropdown-item {{ if eq .Language.Lang $currentLang }}active{{ end }}" hreflang="{{.Language.Lang}}" href="{{ .RelPermalink }}">{{ .Language.LanguageName  }}</a></li>
                                     {{- end -}}
                                 {{- else -}}
                                     {{- range site.Languages -}}
-                                        <li><a class="dropdown-item" href="{{ urls.JoinPath $baseURL .Lang }}">{{ default .Lang .LanguageName }}</a></li>
+                                        <li><a class="dropdown-item" href="{{ urls.JoinPath $baseURL .Lang }}" hreflang="{{.Lang}}">{{ default .Lang .LanguageName }}</a></li>
                                     {{- end -}}
                                 {{- end -}}
                             </ul>

layouts/partials/footer/scripts.html

@@ -25,13 +25,13 @@
 {{- $state := .state | default "async" -}}
 {{- if or $header (eq $state "immediate") }}{{ $state = "" }}{{ end -}}
 
-{{ $config := $page.Scratch.Get "modules" }}
-{{ if not $config }}
-    {{ errorf "partial [footer/scripts.html] - Cannot initialize module configuration" }}
-{{ end }}
-
 {{- $modules := "" -}}
 {{ if $core }}
+    {{ $config := $page.Scratch.Get "modules" }}
+    {{ if not $config }}
+        {{ errorf "partial [footer/scripts.html] - Cannot initialize module configuration" }}
+    {{ end }}
+
     {{- $modules = $config.core -}}
     {{- if reflect.IsSlice $config.localize -}}
         {{- range $index, $mod := $modules -}}