fix: service-worker.js and qwik-prefetch-service-worker.js caches removal (#7782)

Author: maiieul

.changeset/small-rocks-relate.md

@@ -0,0 +1,6 @@
+---
+'@builder.io/qwik': patch
+'@builder.io/qwik-city': patch
+---
+
+PATCH: Keeping the service worker components now also removes their associated Cache storage.

packages/qwik-city/src/runtime/src/sw-register.ts

@@ -10,8 +10,16 @@
         }
       }
     });
-  } else {
-    // eslint-disable-next-line no-console
-    console.log('Service worker not supported in this browser.');
+  }
+  if ('caches' in window) {
+    caches
+      .keys()
+      .then((names) => {
+        const cacheName = names.find((name) => name.startsWith('QwikBuild'));
+        if (cacheName) {
+          caches.delete(cacheName).catch(console.error);
+        }
+      })
+      .catch(console.error);
   }
 })();

packages/qwik/src/core/components/prefetch.ts

@@ -74,6 +74,17 @@ const PREFETCH_CODE = /*#__PURE__*/ ((
       });
     });
   }
+  if ('caches' in window) {
+    caches
+      .keys()
+      .then((names) => {
+        const cacheName = names.find((name) => name.startsWith('QwikBundles'));
+        if (cacheName) {
+          caches.delete(cacheName).catch(console.error);
+        }
+      })
+      .catch(console.error);
+  }
 }).toString();
 
 /**