diff --git a/src/Utils.ts b/src/Utils.ts
index 1d86de2..f46cf5f 100644
--- a/src/Utils.ts
+++ b/src/Utils.ts
@@ -95,16 +95,16 @@ export function delay(seconds: number) {
   return new Promise(resolve => setTimeout(resolve, seconds));
 }
 
-export function getIcon(category: string) {
-  const icons = {
-    'fats': '🥑 🍳 🍟',
-    'proteins': '🫘 🥩 🥚',
-    'carbs': '🍞 🥔 🍠',
-    'leaves': '🥬 🥗 🌿',
-    'fruits': '🍊 🍇 🍎',
-    'low carb': '🥦 🍅 🍓',
-    'dairy': '🧀 🧈 🥛'
-  };
+const icons = {
+  'fats': '🥑 🍳 🍟',
+  'proteins': '🫘 🥩 🥚',
+  'carbs': '🍞 🥔 🍠',
+  'leaves': '🥬 🥗 🌿',
+  'fruits': '🍊 🍇 🍎',
+  'low carb': '🥦 🍅 🍓',
+  'dairy': '🧀 🧈 🥛'
+};
 
+export function getIcon(category: keyof typeof icons) {
   return icons[category];
 }
diff --git a/src/index.ts b/src/index.ts
index 0caf7bc..74b3faf 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,10 +1,10 @@
 import { foodDatabase } from './foodDatabase.js';
-import { getButtonById, getButtonListByClassName, getDivById, getInputById, showFoodPreview } from './DomUtils.ts';
+import { getButtonById, getButtonListByClassName, getDivById, getInputById, showFoodPreview } from './DomUtils';
 import { DailyTotalCalories, FoodItem, FoodStorage, MealGroup, MealPeriod } from './types.js';
 import { AppwriteAuth, AppwriteDB } from './appwrite.js';
 import swal from 'sweetalert';
-import { closeMobileMenu, delay, getCleanName, getIcon, handleMobileCalendarClick, hideLoading, hideSearchResults, navigateResultsKeyboard, QUICK_DELAY, scrollToCalendarView, showLoading, toggleCardHandler, toggleMobileMenu } from './Utils.ts';
-import { showAuthForms, toggleAuthForms, showRegisterForm, showLoginForm, hideAuthForms, closeAuthModal } from './auth.ts';
+import { closeMobileMenu, delay, getCleanName, getIcon, handleMobileCalendarClick, hideLoading, hideSearchResults, navigateResultsKeyboard, QUICK_DELAY, scrollToCalendarView, showLoading, toggleCardHandler, toggleMobileMenu } from './Utils';
+import { showAuthForms, toggleAuthForms, showRegisterForm, showLoginForm, hideAuthForms, closeAuthModal } from './auth';
 import { appState } from "./state";
 import { getNutritionInfo, NutritionInfo, clearNutritionCache, getCacheStats } from './claudeService';
 
@@ -17,10 +17,7 @@ const updateSW = registerSW({
       title: 'Update Available',
       text: 'New content is available. Reload to update?',
       icon: 'info',
-      buttons: {
-        cancel: 'Later',
-        confirm: 'Update Now'
-      }
+      buttons: ['Later', 'Update Now']
     }).then((willUpdate) => {
       if (willUpdate) {
         updateSW(true)
diff --git a/vite-env.d.ts b/src/vite-env.d.ts
similarity index 100%
rename from vite-env.d.ts
rename to src/vite-env.d.ts
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..e024a0c
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,13 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "strict": true,
+    "noEmit": true,
+    "skipLibCheck": true,
+    "lib": ["ES2020", "DOM", "DOM.Iterable"],
+    "types": ["vite/client"]
+  },
+  "include": ["src"]
+}