fiddling around with push notifications

main.js

@@ -17,28 +17,4 @@ var sidebar = new Sidebar(create_game_container, setting_container, control_cont
 window.addEventListener("resize", function() {
     var tilesize = getComputedStyle(document.body).getPropertyValue("--tile-size");
     grid.on_screen_orientation_change(tilesize, tilesize);
-});
-
-window.addEventListener('notificationclick', function(event) {
-    event.waitUntil(async function() {
-        const allClients = await clients.matchAll({
-            includeUncontrolled: true
-        });
-
-        var instance = None;
-
-
-        // Let's see if we already have a window open:
-        for (const client of allClients) {
-            client.focus();
-            instance = client;
-            break;
-        }
-
-        // If we didn't find an existing window,
-        // open a new one:
-        if (!instance) {
-            instance = await clients.openWindow(rel_home);
-        }
-    }());
-});
+})

sw.js

@@ -30,4 +30,8 @@ self.addEventListener('install', function(e) {
         return response || fetch(event.request);
       })
     );
-});
+});
+
+self.addEventListener('notificationclick', function (event) {
+    console.log ("push message clicked");
+});