Fix service worker updates

package.json

@@ -34,7 +34,7 @@
   "homepage": "https://stefano.brilli.me/webminidisc/",
   "scripts": {
     "start": "react-scripts start",
-    "build": "react-scripts build",
+    "build": "react-scripts build && cat public/extra-service-worker.js build/service-worker.js > build/final-service-worker.js",
     "test": "react-scripts test",
     "eject": "react-scripts eject",
     "predeploy": "npm run build",

public/extra-service-worker.js

@@ -0,0 +1,17 @@
+// List of extra files to be precached for offline use.
+// WARNING: don't forget to update the revision before deploy
+var revision = "6";
+self.__precacheManifest = (self.__precacheManifest || []).concat([
+    {
+        "revision": revision,
+        "url": "/webminidisc/atracdenc.js"
+    },
+    {
+        "revision": revision,
+        "url": "/webminidisc/worker.min.js"
+    },
+    {
+        "revision": revision,
+        "url": "/webminidisc/ffmpeg-core.js"
+    },
+]);

src/serviceWorker.ts

@@ -35,7 +35,7 @@ export function register(config?: Config) {
         }
 
         window.addEventListener('load', () => {
-            const swUrl = `${process.env.PUBLIC_URL}/custom-service-worker.js`;
+            const swUrl = `${process.env.PUBLIC_URL}/final-service-worker.js`;
 
             if (isLocalhost) {
                 // This is running on localhost. Let's check if a service worker still exists or not.