[web] Enable Vietnamese (#4142)

desktop/CHANGELOG.md

@@ -3,7 +3,7 @@
 ## v1.7.7 (Unreleased)
 
 -   Retain JPEG originals even on date modifications.
--   Support Portuguese translations.
+-   Support Portuguese and Vietnamese translations.
 -   .
 
 ## v1.7.6

web/apps/photos/src/components/Sidebar/Preferences.tsx

@@ -158,6 +158,8 @@ const localeName = (locale: SupportedLocale) => {
             return "Lietuvių kalba";
         case "uk-UA":
             return "Українська";
+        case "vi-VN":
+            return "Tiếng Việt";
     }
 };
 

web/packages/base/i18n.ts

@@ -32,6 +32,7 @@ export const supportedLocales = [
     "it-IT" /* Italian */,
     "lt-LT" /* Lithuanian */,
     "uk-UA" /* Ukrainian */,
+    "vi-VN" /* Vietnamese */,
 ] as const;
 
 /** The type of {@link supportedLocales}. */
@@ -189,6 +190,8 @@ const closestSupportedLocale = (
             return "lt-LT";
         } else if (ls.startsWith("uk")) {
             return "uk-UA";
+        } else if (ls.startsWith("vi")) {
+            return "vi-VN";
         }
     }