add a (disabled) message handler to manually refresh worker cache

1 files changed, 20 insertions, 0 deletions

diff --git a/worker.js b/worker.js
index 219947f..2fe5677 100644
--- a/worker.js
+++ b/worker.js
@@ -30,6 +30,26 @@ self.addEventListener('install', function(event) {
   );
 });
 
+self.addEventListener('message', function(event){
+	if (event.data == 'refresh-cache') {
+		console.log("refreshing cache...");
+
+		caches.open(CACHE_NAME).then(function(cache) {
+			cache.keys().then(function(keys) {
+				for (var i = 0; i < keys.length; i++) {
+
+					fetch(keys[i],{credentials:'same-origin'}).then(function(resp) {
+						if (resp.status == 200) {
+							cache.put(resp.url, resp);
+						}
+					});
+
+				}
+			});
+		});
+	}
+});
+
 this.addEventListener('fetch', function(event) {
 	var req = event.request.clone();