feat: add Estonian (et) locale

Complete Estonian translation (every key in en), wired into the locale list, the message loaders, the language switcher (with an Estonian flag drawn in the Twemoji style, since Twemoji's set is not used for it) and the locale-count test.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

components/providers/intl-provider.tsx

@@ -27,6 +27,7 @@ export const LOCALE_LOADERS: Record<string, () => Promise<Messages>> = {
   en: () => Promise.resolve(enMessages as Messages),
   es: () => import('@/locales/es/common.json').then((m) => m.default),
   he: () => import('@/locales/he/common.json').then((m) => m.default),
+  et: () => import('@/locales/et/common.json').then((m) => m.default),
   fa: () => import('@/locales/fa/common.json').then((m) => m.default),
   fr: () => import('@/locales/fr/common.json').then((m) => m.default),
   hu: () => import('@/locales/hu/common.json').then((m) => m.default),

components/ui/flag-icons.tsx

@@ -126,6 +126,11 @@ function FlagTW(props: FlagProps) {
   return <Flag {...props}><path fill="#FE0000" d="M32 5H17v13H0v9c0 2.209 1.791 4 4 4h28c2.209 0 4-1.791 4-4V9c0-2.209-1.791-4-4-4z" /><path fill="#000095" d="M17 5H4C1.791 5 0 6.791 0 9v9h17V5zm-6.063 4.61l2.035-.548-1.491 1.487c-.121-.348-.307-.665-.544-.939zm.251 1.89c0 1.346-1.091 2.438-2.438 2.438S6.312 12.846 6.312 11.5 7.404 9.062 8.75 9.062s2.438 1.092 2.438 2.438zm0-4.222l-.548 2.035c-.273-.237-.591-.423-.939-.544l1.487-1.491zM8.75 6.625l.542 2.034c-.175-.033-.357-.052-.542-.052s-.367.019-.542.052l.542-2.034zm-.951 2.144c-.348.121-.665.307-.939.544l-.548-2.035 1.487 1.491zm-1.236.841c-.237.273-.423.591-.544.939L4.528 9.062l2.035.548zm-.654 1.348c-.034.176-.052.357-.052.542 0 .185.018.367.052.542L3.875 11.5l2.034-.542zm.11 1.492c.121.348.308.666.544.939l-2.035.548 1.491-1.487zm.293 3.272l.548-2.035c.273.236.591.423.939.544l-1.487 1.491zm2.438.653l-.542-2.034c.176.034.357.052.542.052s.367-.018.542-.052l-.542 2.034zm.951-2.144c.348-.121.666-.308.939-.544l.548 2.035-1.487-1.491zm1.236-.841c.237-.273.423-.591.544-.939l1.491 1.487-2.035-.548zm.654-1.348c.034-.176.052-.357.052-.542 0-.185-.018-.367-.052-.542l2.034.542-2.034.542z" /><path fill="#FFF" d="M9.292 8.659L8.75 6.625l-.542 2.034c.175-.033.357-.052.542-.052s.367.019.542.052zM5.857 11.5c0-.185.018-.367.052-.542l-2.034.542 2.034.542c-.033-.175-.052-.357-.052-.542zm2.351 2.841l.542 2.034.542-2.034c-.176.034-.357.052-.542.052s-.367-.019-.542-.052zm3.435-2.841c0 .185-.018.367-.052.542l2.034-.542-2.034-.542c.033.175.052.357.052.542zm-.455-4.222L9.701 8.769c.348.122.666.308.939.544l.548-2.035zm-.251 6.112l2.035.548-1.491-1.487c-.121.348-.307.665-.544.939zm-4.625 2.332l1.487-1.491c-.348-.121-.666-.308-.939-.544l-.548 2.035zm.251-6.112l-2.035-.548 1.491 1.487c.121-.348.307-.665.544-.939zm3.138 4.621l1.487 1.491-.548-2.035c-.274.237-.591.423-.939.544zM6.019 12.45l-1.491 1.487 2.035-.548c-.237-.273-.423-.59-.544-.939zm1.78-3.681L6.312 7.278l.548 2.035c.274-.237.591-.423.939-.544zm5.173.293l-2.035.548c.237.273.423.591.544.939l1.491-1.487z" /><circle fill="#FFF" cx="8.75" cy="11.5" r="2.438" /></Flag>;
 }
 
+// Estonia is not in Twemoji's set used above; drawn here in the same style.
+function FlagEE(props: FlagProps) {
+  return <Flag {...props}><clipPath id="flag-ee-clip"><rect x="0" y="5" width="36" height="26" rx="4" /></clipPath><g clipPath="url(#flag-ee-clip)"><path fill="#0072CE" d="M0 5h36v8.67H0z" /><path fill="#000" d="M0 13.67h36v8.66H0z" /><path fill="#EEE" d="M0 22.33h36V31H0z" /></g></Flag>;
+}
+
 export const flagComponents: Record<string, (props: FlagProps) => ReactElement> = {
   ar: FlagAE,
   ca: FlagCAT,
@@ -136,6 +141,7 @@ export const flagComponents: Record<string, (props: FlagProps) => ReactElement>
   en: FlagGB,
   fa: FlagIR,
   es: FlagES,
+  et: FlagEE,
   fr: FlagFR,
   he: FlagIL,
   it: FlagIT,

components/ui/language-switcher.tsx

@@ -17,6 +17,7 @@ const languages = [
   { value: 'da', label: 'Dansk' },
   { value: 'de', label: 'Deutsch' },
   { value: 'en', label: 'English' },
+  { value: 'et', label: 'Eesti' },
   { value: 'fa', label: 'فارسی' },
   { value: 'es', label: 'Español' },
   { value: 'fr', label: 'Français' },

i18n/request.ts

@@ -43,6 +43,9 @@ export default getRequestConfig(async ({ requestLocale }) => {
     case 'he':
       messages = (await import('../locales/he/common.json')).default;
       break;
+    case 'et':
+      messages = (await import('../locales/et/common.json')).default;
+      break;
     case 'fa':
       messages = (await import('../locales/fa/common.json')).default;
       break;

i18n/routing.ts

@@ -12,7 +12,7 @@ const localePrefix = (process.env.NEXT_PUBLIC_LOCALE_PREFIX ?? 'never') as
   | 'always'
   | 'as-needed';
 
-const SUPPORTED_LOCALES = ['ar', 'ca', 'cs', 'da', 'de', 'en', 'es', 'fa', 'fr', 'he', 'hu', 'it', 'ja', 'ko', 'lv', 'mn', 'nb', 'nl', 'pl', 'pt', 'ro', 'ru', 'sk', 'tr', 'uk', 'zh', 'zh-TW'] as const;
+const SUPPORTED_LOCALES = ['ar', 'ca', 'cs', 'da', 'de', 'en', 'es', 'et', 'fa', 'fr', 'he', 'hu', 'it', 'ja', 'ko', 'lv', 'mn', 'nb', 'nl', 'pl', 'pt', 'ro', 'ru', 'sk', 'tr', 'uk', 'zh', 'zh-TW'] as const;
 
 // Fallback locale used when the visitor's Accept-Language header does not
 // match any supported locale (and no NEXT_LOCALE cookie is set yet). Admins

lib/__tests__/plugin-permission-text.test.ts

@@ -14,8 +14,8 @@ describe('permission texts', () => {
   const shown = ALL_PERMISSIONS.filter((p) => !implicit.has(p));
   const langs = readdirSync(LOCALES).filter((l) => !l.includes('.'));
 
-  it('covers all 27 locales', () => {
-    expect(langs).toHaveLength(27);
+  it('covers all 28 locales', () => {
+    expect(langs).toHaveLength(28);
   });
 
   it.each(langs)('has a title and body for every permission in %s', (lang) => {