add service worker - tsconfig is probably wrong

.gitignore

@@ -1,3 +1,3 @@
 node_modules/
-dist/main.js
+dist/*.js
 src/

build.sh

@@ -5,4 +5,4 @@ if [ ! -e ./src ]; then
 fi
 
 npx tsc &&
-npx webpack
+npx webpack --config webpack.config.js

ts/serviceWorker.ts

@@ -0,0 +1,9 @@
+/// <reference lib="WebWorker" />
+
+// export empty type because of tsc --isolatedModules flag
+export type {};
+declare const self: ServiceWorkerGlobalScope;
+
+self.addEventListener('sync', (e: any) => {
+  console.log(e);
+});

tsconfig.json

@@ -1,6 +1,8 @@
 {
   "compilerOptions": {
-    "target": "ES2022",
+    "target": "es5",
+    "lib": [ "es2022", "webworker", "dom" ],
+    "skipLibCheck": true,
     "module": "preserve",
     "moduleResolution": "bundler",
     "noImplicitAny": true,

webpack.config.js

@@ -0,0 +1,9 @@
+const path = require('path');
+
+module.exports = {
+  context: path.resolve(__dirname, 'src'),
+  entry: {
+    main: './index.js',
+    serviceWorker: './serviceWorker.js'
+  }
+}