Notification with Service Workers now is working!

When a Notification arrives, it save into the IndexDb,
then in Vue.js call a polling to check in the db if there is a different record count.
If is different then call a get to update the notification.

src/js/storage.js

@@ -8,7 +8,7 @@ export let idbKeyval = (() => {
       // console.log('CREO DB STORAGE JS !')
       db = new Promise((resolve, reject) => {
         // console.log('open mydb3')
-        const openreq = indexedDB.open('mydb3', 12);
+        const openreq = indexedDB.open('mydb3', 13);
 
         openreq.onerror = () => {
           reject(openreq.error);
@@ -50,7 +50,7 @@ export let idbKeyval = (() => {
   return {
     async get(key) {
       let req;
-      withStore('readonly', 'keyval', store => {
+      await withStore('readonly', 'keyval', store => {
         req = store.get(key);
       });
       return req.result;
@@ -62,30 +62,49 @@ export let idbKeyval = (() => {
     async getdata(table, key) {
       let req;
 
-      withStore('readonly', table, store => {
+
+      await withStore('readonly', table, store => {
         // console.log('getdata', table, key)
         req = store.get(key);
+        // console.log('   req', req)
       });
 
-      return req.result;
+      if (req) {
+        console.log('getdata', table, key, req.result)
+        return req.result;
+      } else {
+        return null;
+      }
     },
     async getalldata(table) {
       let req;
-      withStore('readonly', table, store => {
+      await withStore('readonly', table, store => {
         req = store.getAll();
+        console.log('   req', req)
       });
-      return req.result;
+      if (req) {
+        return req.result;
+      } else {
+        return null;
+      }
     },
     async count(table) {
       let req;
-      withStore('readonly', table, store => {
+      await withStore('readonly', table, store => {
         req = store.count();
       });
-      return req.result;
+
+      // console.log('req', req)
+      if (req) {
+        // console.log('COUNT:', table, req.result)
+        return req.result;
+      } else {
+        return 0;
+      }
     },
     async set(key, value) {
       let req;
-      withStore('readwrite', 'keyval', store => {
+      await withStore('readwrite', 'keyval', store => {
         req = store.put(value, key);
       });
       return req.result;
@@ -94,7 +113,7 @@ export let idbKeyval = (() => {
       let req;
 
       // console.log('setdata', table, value)
-      withStore('readwrite', table, store => {
+      await withStore('readwrite', table, store => {
         req = store.put(value);
       });
       return req.result;
@@ -121,6 +140,7 @@ export let idbKeyval = (() => {
 // iOS add-to-homescreen is missing IDB, or at least it used to.
 // I haven't tested this in a while.
 if (!self.indexedDB) {
+  console.log('NO indexedDB')
   idbKeyval = {
     get: key => Promise.resolve(localStorage.getItem(key)),
     set: (key, val) => Promise.resolve(localStorage.setItem(key, val)),