feat(i18n): Complete internationalization with timezone fixes and language switching

Completes full internationalization coverage for the webmail application with enhanced language support:

- Replace all remaining hardcoded English strings with translation keys
- Add timezone auto-detection to prevent hydration mismatches
- Enable instant client-side language switching without page reload
- Add 60+ new translation keys in English and French locales
- Improve language switcher component with proper state management
- Add health check endpoint for container orchestration

All user-facing text now supports English and French with no hardcoded fallbacks, providing a fully localized experience.
This commit is contained in:
Matthieu MALVACHE
2026-01-08 04:29:19 +01:00
committed by Matthieu MALVACHE
parent b2b479359f
commit 0d68851b63
20 changed files with 638 additions and 192 deletions
+61 -3
View File
@@ -21,6 +21,7 @@
"remove_from_history": "Remove from history"
},
"sidebar": {
"close": "Close",
"compose": "Compose",
"search_placeholder": "Search mail...",
"storage": "Storage",
@@ -34,6 +35,9 @@
"dark": "Dark mode",
"system": "System theme"
},
"language": {
"title": "Language"
},
"mailboxes": {
"inbox": "Inbox",
"sent": "Sent",
@@ -46,7 +50,9 @@
"important": "Important"
},
"expand": "Expand",
"collapse": "Collapse"
"collapse": "Collapse",
"expand_tooltip": "Expand",
"collapse_tooltip": "Collapse"
},
"email_list": {
"no_emails": "No emails",
@@ -62,7 +68,11 @@
"email_viewer": {
"no_email_selected": "No email selected",
"no_email_description": "Select an email from the list to view it here",
"no_conversation_selected": "No conversation selected",
"no_conversation_description": "Choose a conversation from the list to read it here",
"no_subject": "(No Subject)",
"loading_email": "Loading email...",
"loading": "Loading...",
"reply": "Reply",
"reply_all": "Reply All",
"forward": "Forward",
@@ -78,6 +88,7 @@
"copy_source": "Copy to clipboard",
"source_copied": "Source copied to clipboard",
"attachments": "Attachments",
"important": "Important",
"download": "Download",
"from": "From",
"to": "To",
@@ -90,7 +101,34 @@
"external_content_warning": "Images and external content have been blocked",
"load_external_content": "Load images",
"trust_sender": "Always trust this sender",
"back_to_list": "Back to list",
"message_details": "Message Details",
"more_reply_options": "More reply options",
"set_color": "Set color",
"more_actions": "More actions",
"remove_color": "Remove color",
"more_count": "+{count} more",
"characters_count": "{count} characters",
"quick_reply_placeholder": "Write a quick reply...",
"more_options": "More options",
"sending": "Sending...",
"security_authentication": "Security & Authentication",
"technical_details": "Technical Details",
"message_id_label": "Message-ID:",
"reply_to_label": "Reply-To:",
"delivery_time_label": "Delivery time:",
"conversation_part_label": "Part of conversation:",
"previous_messages": "{count} previous message",
"previous_messages_plural": "{count} previous messages",
"time": {
"day": "day",
"days": "days",
"hour": "hour",
"hours": "hours",
"minute": "minute",
"minutes": "minutes"
},
"unknown_sender": "Unknown",
"authentication": {
"title": "Authentication",
"status": {
@@ -151,6 +189,17 @@
"attach": "Attach",
"discard": "Discard",
"discard_draft_confirm": "You have unsaved changes. Do you want to discard this draft?",
"saving": "Saving...",
"draft_saved": "Draft saved",
"save_failed": "Failed to save",
"to_placeholder": "Recipient email addresses (comma separated)",
"cc_placeholder": "Cc recipients (comma separated)",
"bcc_placeholder": "Bcc recipients (comma separated)",
"subject_placeholder": "Subject",
"cc_label": "Cc:",
"bcc_label": "Bcc:",
"subject_label": "Subject:",
"file_size_kb": "KB",
"quote": {
"reply_header": "On {{date}}, {{sender}} wrote:",
"forward_header": "---------- Forwarded message ----------",
@@ -176,7 +225,8 @@
"logout": "Logout",
"yes": "Yes",
"no": "No",
"unknown": "Unknown"
"unknown": "Unknown",
"app_title": "Webmail"
},
"notifications": {
"email_sent": "Email sent successfully",
@@ -213,7 +263,11 @@
"language": {
"title": "Language",
"english": "English",
"french": "Français"
"french": "Français",
"select_language": "Select language",
"switch_to_english": "Switch to English",
"switch_to_french": "Switch to French",
"switching": "Changing language..."
},
"settings": {
"title": "Settings",
@@ -241,6 +295,10 @@
"dark": "Dark",
"system": "System"
},
"language": {
"label": "Language",
"description": "Choose your preferred language"
},
"font_size": {
"label": "Font Size",
"description": "Adjust text size for better readability",
+61 -3
View File
@@ -21,6 +21,7 @@
"remove_from_history": "Supprimer de l'historique"
},
"sidebar": {
"close": "Fermer",
"compose": "Composer",
"search_placeholder": "Rechercher un email...",
"storage": "Stockage",
@@ -34,6 +35,9 @@
"dark": "Mode sombre",
"system": "Thème système"
},
"language": {
"title": "Langue"
},
"mailboxes": {
"inbox": "Boîte de réception",
"sent": "Envoyés",
@@ -46,7 +50,9 @@
"important": "Important"
},
"expand": "Développer",
"collapse": "Réduire"
"collapse": "Réduire",
"expand_tooltip": "Développer",
"collapse_tooltip": "Réduire"
},
"email_list": {
"no_emails": "Aucun email",
@@ -62,7 +68,11 @@
"email_viewer": {
"no_email_selected": "Aucun email sélectionné",
"no_email_description": "Sélectionnez un email dans la liste pour le voir ici",
"no_conversation_selected": "Aucune conversation sélectionnée",
"no_conversation_description": "Choisissez une conversation dans la liste pour la lire ici",
"no_subject": "(Sans objet)",
"loading_email": "Chargement de l'email...",
"loading": "Chargement...",
"reply": "Répondre",
"reply_all": "Répondre à tous",
"forward": "Transférer",
@@ -78,6 +88,7 @@
"copy_source": "Copier dans le presse-papiers",
"source_copied": "Source copiée dans le presse-papiers",
"attachments": "Pièces jointes",
"important": "Important",
"download": "Télécharger",
"from": "De",
"to": "À",
@@ -90,7 +101,34 @@
"external_content_warning": "Les images et le contenu externe ont été bloqués",
"load_external_content": "Charger les images",
"trust_sender": "Toujours faire confiance à cet expéditeur",
"back_to_list": "Retour à la liste",
"message_details": "Détails du message",
"more_reply_options": "Plus d'options de réponse",
"set_color": "Définir la couleur",
"more_actions": "Plus d'actions",
"remove_color": "Retirer la couleur",
"more_count": "+{count} de plus",
"characters_count": "{count} caractères",
"quick_reply_placeholder": "Écrivez une réponse rapide...",
"more_options": "Plus d'options",
"sending": "Envoi en cours...",
"security_authentication": "Sécurité et authentification",
"technical_details": "Détails techniques",
"message_id_label": "ID du message :",
"reply_to_label": "Répondre à :",
"delivery_time_label": "Temps de livraison :",
"conversation_part_label": "Partie de la conversation :",
"previous_messages": "{count} message précédent",
"previous_messages_plural": "{count} messages précédents",
"time": {
"day": "jour",
"days": "jours",
"hour": "heure",
"hours": "heures",
"minute": "minute",
"minutes": "minutes"
},
"unknown_sender": "Inconnu",
"authentication": {
"title": "Authentification",
"status": {
@@ -151,6 +189,17 @@
"attach": "Joindre",
"discard": "Supprimer",
"discard_draft_confirm": "Vous avez des modifications non enregistrées. Voulez-vous supprimer ce brouillon ?",
"saving": "Enregistrement...",
"draft_saved": "Brouillon enregistré",
"save_failed": "Échec de l'enregistrement",
"to_placeholder": "Adresses email des destinataires (séparées par des virgules)",
"cc_placeholder": "Destinataires en copie (séparés par des virgules)",
"bcc_placeholder": "Destinataires en copie cachée (séparés par des virgules)",
"subject_placeholder": "Objet",
"cc_label": "Cc :",
"bcc_label": "Cci :",
"subject_label": "Objet :",
"file_size_kb": "Ko",
"quote": {
"reply_header": "Le {{date}}, {{sender}} a écrit :",
"forward_header": "---------- Message transféré ----------",
@@ -176,7 +225,8 @@
"logout": "Déconnexion",
"yes": "Oui",
"no": "Non",
"unknown": "Inconnu"
"unknown": "Inconnu",
"app_title": "Webmail"
},
"notifications": {
"email_sent": "Email envoyé avec succès",
@@ -213,7 +263,11 @@
"language": {
"title": "Langue",
"english": "English",
"french": "Français"
"french": "Français",
"select_language": "Sélectionner la langue",
"switch_to_english": "Passer à l'anglais",
"switch_to_french": "Passer au français",
"switching": "Changement de langue..."
},
"settings": {
"title": "Paramètres",
@@ -241,6 +295,10 @@
"dark": "Sombre",
"system": "Système"
},
"language": {
"label": "Langue",
"description": "Choisissez votre langue préférée"
},
"font_size": {
"label": "Taille de police",
"description": "Ajustez la taille du texte pour une meilleure lisibilité",