Simplify i18n and add Github PR action

.github/workflows/static.yml

@@ -29,22 +29,28 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
+
       - name: Setup Pages
         uses: actions/configure-pages@v5
+
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
-          node-version: '22'
+          node-version: '24'
+
       - name: Install dependencies
         run: npm ci
+
       - name: Build app
         run: npm run build
+
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3
         with:
           # Upload the build output
           path: 'dist'
+
       - name: Deploy to GitHub Pages
         id: deployment
         uses: actions/deploy-pages@v4

.github/workflows/test.yml

@@ -0,0 +1,23 @@
+name: Check lint, format & types
+
+on:
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v6
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: '24'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests
+        run: npm test

package.json

@@ -8,7 +8,9 @@
     "build": "vite build",
     "preview": "vite preview",
     "lint": "biome check",
-    "format": "biome format"
+    "format": "biome format",
+    "typecheck": "tsc --noEmit",
+    "test": "npm run lint && npm run typecheck"
   },
   "keywords": [],
   "author": "",

src/i18n/context.tsx

@@ -25,20 +25,12 @@ const I18nContext = createContext<I18nContextValue | null>(null)
  * Each locale is a separate chunk loaded on demand
  */
 async function loadLocale(locale: Locale): Promise<Translations> {
-  switch (locale) {
-    case 'es':
-      return (await import('./locales/es')).default
-    case 'fr':
-      return (await import('./locales/fr')).default
-    case 'de':
-      return (await import('./locales/de')).default
-    case 'sv':
-      return (await import('./locales/sv')).default
-    case 'pt':
-      return (await import('./locales/pt')).default
-    default:
-      return en
-  }
+  if (locale === DEFAULT_LOCALE) return en
+  if (!SUPPORTED_LOCALES.includes(locale)) return en
+  const module: { default: Translations } = await import(
+    `./locales/${locale}.ts`
+  )
+  return module.default
 }
 
 /**

src/i18n/locales/pt.ts

@@ -64,4 +64,4 @@ const pt: Translations = {
   toggleTheme: 'Alternar tema',
 }
 
-export default pt
+export default pt