참고소스 수정본

참고/playwright-main/tests/assets/serviceworkers/bug-33561/sw.js

@@ -0,0 +1,14 @@
+// sw.js
+self.addEventListener('install', (event) => {
+  self.skipWaiting();
+});
+
+self.addEventListener('activate', (event) => {
+  event.waitUntil(self.clients.claim());
+});
+
+self.addEventListener('fetch', (event) => {
+  // IMPORTANT: we have to have a "fetch" listener
+  // to trigger the issue.
+  console.log('Fetching:', event.request.url);
+});