1 files changed, 19 insertions, 32 deletions

diff --git a/src/assets/sw.mjs b/src/assets/sw.mjs
index f981da5..e20102a 100644
--- a/src/assets/sw.mjs
+++ b/src/assets/sw.mjs
@@ -1,38 +1,34 @@
-const cache_name = "v3"
+const get_cache_info = async() => {
+    const response = await fetch('/cache.json')
+    return response.json()
+}
 
-const install_sw = async event => {
+self.addEventListener('install', async event => {
     const precache = async() => {
-        const cache = await self.caches.open(cache_name);
-        return cache.addAll([
-            '/index.css',
-            '/prism.css',
-            '/index.js',
-            '/sw.js',
-            '/favicon.svg',
-            '/offline.html',
-            '/'
-        ])
+        const ver = await get_cache_info()
+        const cache = await self.caches.open(ver.store);
+        return cache.addAll(ver.default)
     }
     event.waitUntil(precache())
-}
-
-const activate_sw = async event => {
-    const cachepreserve = ['v3'];
+})
 
+self.addEventListener('activate', async event => {
     const invalidatecache = async() => {
+        const ver = await get_cache_info()
         const keys = await self.caches.keys()
         Promise.all(
-            keys.map((key) => {
-                if (cachepreserve.indexOf(key) === -1) {
+            keys.map(key => {
+                if (key !== ver.store) {
                     return self.caches.delete(key)
                 }
             }))
     }
     event.waitUntil(invalidatecache())
-}
+})
 
-const fetch_sw = async event => {
+self.addEventListener('fetch', async event => {
     const cache_fetch = async() => {
+        const ver = await get_cache_info()
         if (event.request.method != 'GET') {
             return
         }
@@ -42,22 +38,13 @@ const fetch_sw = async event => {
         }
         try {
             const response = await self.fetch(event.request)
-            const cache = await self.caches.open(cache_name)
+            const cache = await self.caches.open(ver.store)
             cache.put(event.request, response.clone())
             return response
         } catch {
-            return self.caches.match('/offline.html')
+            return self.caches.match(ver.offline)
         }
     }
 
     event.respondWith(cache_fetch())
-}
-
-const main = async() => {
-    self.addEventListener('install', install_sw)
-    self.addEventListener('activate', activate_sw)
-    self.addEventListener('fetch', fetch_sw)
-
-}
-
-main()
\ No newline at end of file
+})
\ No newline at end of file