feat(workbox): workbox-window support

Author: pooya parsa

Diff for: docs/modules/workbox.md

@@ -18,6 +18,12 @@ workbox: {
 }
 ```
 
+## Workbox Window
+
+A global `$workbox` service is injected to the application, which can be used either by plugins (via `context.app.$workbox`) or pages (via `this.$workbox`).
+
+See [workbox-window](https://developers.google.com/web/tools/workbox/modules/workbox-window) docs for more information about use cases.
+
 ## Options
 
 <!-- General -->

Diff for: packages/workbox/package.json

@@ -8,6 +8,7 @@
     "access": "public"
   },
   "dependencies": {
-    "@nuxtjs/pwa-utils": "3.0.0-beta.10"
+    "@nuxtjs/pwa-utils": "3.0.0-beta.10",
+    "workbox-window": "4.0.0"
   }
 }

Diff for: packages/workbox/templates/sw.register.js

@@ -1,9 +1,17 @@
-if ('serviceWorker' in navigator) {
-  navigator.serviceWorker.register('<%= options.swURL %>', {
+import { Workbox } from 'workbox-window/build/workbox-window.<%= options.dev ? 'dev' : 'prod' %>.mjs'
+
+export default async function(ctx, inject) {
+  const workbox = new Workbox('<%= options.swURL %>', {
     scope: '<%= options.swScope %>'
-  }).then(function(registration) {
-    window.$sw = registration
-  }).catch(function(error) {
-    console.error('Service worker registration failed:', error)
   })
+
+  // Inject as $workbox
+  inject('workbox', workbox)
+
+  if (!'serviceWorker' in navigator) {
+    workbox._unsupported = true
+    return // Unsupported browser!
+  }
+
+  workbox.register()
 }

Diff for: yarn.lock

@@ -11271,6 +11271,18 @@ wordwrap@~1.0.0:
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
   integrity sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=
 
+workbox-core@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/workbox-core/-/workbox-core-4.0.0.tgz#3b4aa11c9d739361ed8916b7611abc3b6fefed8b"
+  integrity sha512-FRoOUuJBl7COTwvGO5FC9k0VyYGv/LkjVqgVwKk9MXQn/Xi+bvGDcqSVF7qfT+sJ6Ffcr/V+dVMpoZAE/X5e+g==
+
+workbox-window@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/workbox-window/-/workbox-window-4.0.0.tgz#a4d6404c96cc65d4882f79331d4e812c10f912a6"
+  integrity sha512-gdLzP/L0vu5Gi3pdUYtVNmg0yE7OriEuYZBoLt8AYoILXh6cta9WsWHKQ0/pXfmEmZywr4Dfu0qkLLvc9VlZGQ==
+  dependencies:
+    workbox-core "^4.0.0"
+
 worker-farm@^1.5.2:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/worker-farm/-/worker-farm-1.6.0.tgz#aecc405976fab5a95526180846f0dba288f3a4a0"