Do not register a service worker for FB inapp browser.

Also for web, refresh all tabs when a SW is updated

lib/client/web.js

@@ -51,13 +51,26 @@ class WebPushHandle extends EventState {
           this.messaging = webApp.messaging()
           this.messaging.usePublicVapidKey(configuration.publicVapidKey)
 
-          if ('serviceWorker' in navigator) {
+          const isFacebookApp = () => {
+            const ua = navigator.userAgent || navigator.vendor || window.opera
+            return (ua.indexOf('FBAN') > -1) || (ua.indexOf('FBAV') > -1)
+          }
+
+          if ('serviceWorker' in navigator && !isFacebookApp()) {
             window.addEventListener('load', async () => {
               const registration = await navigator.serviceWorker.register('/firebase-messaging-sw.js', {
                 updateViaCache: 'none'
               })
               this.messaging.useServiceWorker(registration)
 
+              // Refresh all tabs after a service worker update takes place
+              let refreshing
+              navigator.serviceWorker.addEventListener('controllerchange', () => {
+                if (refreshing) { return }
+                refreshing = true
+                window.location.reload()
+              })
+
               /**
                * Listen for the foreground messages. Background messages will be dealt with by the worker
                */

package.js

@@ -1,7 +1,7 @@
 /* globals Package, Npm, Cordova */
 Package.describe({
   name: 'activitree:push',
-  version: '2.0.4',
+  version: '2.0.5',
   summary: 'Push Notifications for Cordova and Web/PWA with Firebase (FCM).',
   git: 'https://github.com/activitree/meteor-push.git'
 })