updated sw.js for refresh new cache everytime

1 files changed, 16 insertions, 0 deletions

diff --git a/src/sw.js b/src/sw.js
index cb27fc2f..ce4948dd 100644
--- a/src/sw.js
+++ b/src/sw.js
@@ -60,3 +60,19 @@ self.addEventListener('fetch', event => {
         })
     );
 });
+
+self.addEventListener('activate', function(event) {
+  event.waitUntil(
+    caches.keys().then(function(cacheNames) {
+      return Promise.all(
+        cacheNames.filter(function(cacheName) {
+          // Return true if you want to remove this cache,
+          // return currentCacheName !== cacheName;
+          return true
+        }).map(function(cacheName) {
+          return caches.delete(cacheName);
+        })
+      );
+    })
+  );
+});