Service worker test

www/worker/sw.js

@@ -0,0 +1,64 @@
+var id = Math.floor(Math.random()*100000);
+
+var postMsg = function (client, data) {
+    client.postMessage(data);
+};
+
+var broadcast = function (data, excludes) {
+    // Loop over all available clients
+    clients.matchAll().then(function (clients) {
+        clients.forEach(function (client) {
+            if (excludes.indexOf(client.id) === -1) {
+                postMsg(client, data);
+            }
+        })
+    })
+};
+var sendTo = function (data, clientId){
+    clients.matchAll().then(function (clients) {
+        clients.some(function (client) {
+            if (client.id === clientId) {
+                postMsg(client, data)
+            }
+        })
+    })
+};
+var getClients = function () {
+    clients.matchAll().then(function (clients) {
+        var cl = clients.map(function (c) {
+            console.log(JSON.stringify(c));
+            return c.id;
+        });
+        console.log(cl);
+    });
+};
+
+
+
+self.addEventListener('message', function (e) {
+    console.log(clients);
+    console.log('worker received');
+    console.log(e.data);
+    console.log(e.source);
+    var cId = e.source.id;
+    if (e.data === "INIT") {
+        broadcast(cId + ' has joined!', [cId]);
+        postMsg(e.source, {state: 'READY'});
+        postMsg(e.source, "Welcome to SW " + id + "!");
+        postMsg(e.source, "You are identified as " + cId);
+    } else {
+        console.log(e.data);
+        postMsg(e.source, 'Yo (Re: '+e.data+')');
+    }
+});
+self.addEventListener('install', function (e) {
+    console.log(e);
+    console.log('V1 installing…');
+    self.skipWaiting();
+});
+
+self.addEventListener('activate', function (e) {
+    console.log(e);
+    console.log('V1 now ready to handle fetches!');
+});
+