diff --git a/astro.config.mjs b/astro.config.mjs
index f897e80..2a3bad7 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -1,6 +1,5 @@
 import { defineConfig } from 'astro/config';
 import serviceWorker from '@ayco/astro-sw';
-
 import sitemap from "@astrojs/sitemap";
 
 // https://astro.build/config
@@ -9,11 +8,14 @@ export default defineConfig({
   integrations: [
     sitemap(),
     serviceWorker({
-      path: './src/sw.js',
+      path: './src/sw.ts',
       assetCachePrefix: 'ayco-personal-site',
       excludeRoutes: [
         '/threads'
-      ]
+      ],
+      esbuild: {
+        minify: true
+      }
     })
   ]
 });
diff --git a/package.json b/package.json
index d74523b..4d4c01a 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "@astro-reactive/form": "^0.10.0",
     "@astro-reactive/validator": "^0.5.0",
     "@astrojs/sitemap": "^3.1.6",
-    "@ayco/astro-sw": "^0.7.8",
+    "@ayco/astro-sw": "^0.7.9",
     "astro": "^4.14.2",
     "astro-github-stats": "^0.7.0",
     "astro-iconify": "^1.2.0"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 252852f..a2f95ec 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -18,8 +18,8 @@ importers:
         specifier: ^3.1.6
         version: 3.1.6
       '@ayco/astro-sw':
-        specifier: ^0.7.8
-        version: 0.7.8
+        specifier: ^0.7.9
+        version: 0.7.9
       astro:
         specifier: ^4.14.2
         version: 4.14.2(@types/node@22.4.0)(rollup@4.20.0)(typescript@5.5.4)
@@ -75,8 +75,8 @@ packages:
     resolution: {integrity: sha512-/ca/+D8MIKEC8/A9cSaPUqQNZm+Es/ZinRv0ZAzvu2ios7POQSsVD+VOj7/hypWNsNM3T7RpfgNq7H2TU1KEHA==}
     engines: {node: ^18.17.1 || ^20.3.0 || >=21.0.0}
 
-  '@ayco/astro-sw@0.7.8':
-    resolution: {integrity: sha512-NA3m2YXNReZQla3tv98rJ89HfftmEC+4dsX/bG+NIIlFVcnGTxvwPdhTZ3vD5K/NqVyo7wr4n132k4dCtKUWvw==}
+  '@ayco/astro-sw@0.7.9':
+    resolution: {integrity: sha512-hVdRdZz+IJvmg/qpWHX52dK0Pnp8ErsMy1lYcs7g3rueLDS+r5JdFwdfs3GgU5DyDBfBg/VJZ7dWETYS+sUrYw==}
     engines: {node: '>=18.0.0'}
 
   '@babel/code-frame@7.24.7':
@@ -2270,7 +2270,7 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  '@ayco/astro-sw@0.7.8':
+  '@ayco/astro-sw@0.7.9':
     dependencies:
       esbuild: 0.23.1
       pathe: 1.1.2
diff --git a/src/sw.js b/src/sw.ts
similarity index 94%
rename from src/sw.js
rename to src/sw.ts
index f873a6e..909eb8f 100644
--- a/src/sw.js
+++ b/src/sw.ts
@@ -5,13 +5,13 @@
  */
 const cacheName = `${__prefix ?? 'app'}-v${__version ?? '000'}`
 
-const addResourcesToCache = async (resources) => {
+const addResourcesToCache = async (resources: string[]) => {
     const cache = await caches.open(cacheName);
     console.log('[personal-sw]: adding resources to cache...', resources)
     await cache.addAll(new Set([...resources]));
 };
 
-const putInCache = async (request, response) => {
+const putInCache = async (request: Request, response: Response) => {
     const cache = await caches.open(cacheName);
     console.log('[personal-sw]: adding one response to cache...', request.url)
     // if exists, replace
@@ -25,7 +25,7 @@ const putInCache = async (request, response) => {
 };
 
 
-const cacheAndRevalidate = async ({ request, preloadResponsePromise, fallbackUrl }) => {
+const cacheAndRevalidate = async ({ request, preloadResponsePromise, fallbackUrl }: {request: Request, preloadResponsePromise: Promise<any>, fallbackUrl: string}) => {
     
     const cache = await caches.open(cacheName);
 
@@ -111,9 +111,7 @@ self.addEventListener('activate', (event) => {
 self.addEventListener('install', (event) => {
     console.log('[personal-sw]: installing...', event)
     event.waitUntil(
-        addResourcesToCache([
-            ...(__assets ?? [])
-        ])
+        addResourcesToCache(__assets ?? [])
     );
     self.skipWaiting(); // activate updated SW
 });