feature: pwa

layouts/default.vue

@@ -302,6 +302,49 @@ onNuxtReady(async () => {
     <v-main>
       <NuxtPage/>
     </v-main>
+
+    <div>
+      <div
+          v-if="$pwa?.offlineReady || $pwa?.needRefresh"
+          class="pwa-toast"
+          role="alert"
+      >
+        <div class="message">
+          <span v-if="$pwa.offlineReady">
+            App ready to work offline
+          </span>
+          <span v-else>
+            New content available, click on reload button to update.
+          </span>
+        </div>
+        <button
+            v-if="$pwa.needRefresh"
+            @click="$pwa.updateServiceWorker()"
+        >
+          Reload
+        </button>
+        <button @click="$pwa.cancelPrompt()">
+          Close
+        </button>
+      </div>
+      <div
+          v-if="$pwa?.showInstallPrompt && !$pwa?.offlineReady && !$pwa?.needRefresh"
+          class="pwa-toast"
+          role="alert"
+      >
+        <div class="message">
+          <span>
+            Install PWA
+          </span>
+        </div>
+        <button @click="$pwa.install()">
+          Install
+        </button>
+        <button @click="$pwa.cancelInstall()">
+          Cancel
+        </button>
+      </div>
+    </div>
   </v-app>
 </template>
 
@@ -316,4 +359,27 @@ onNuxtReady(async () => {
   background-color: #999;
   border-radius: 3px;
 }
+
+.pwa-toast {
+  position: fixed;
+  right: 0;
+  bottom: 0;
+  margin: 16px;
+  padding: 12px;
+  border: 1px solid #8885;
+  border-radius: 4px;
+  z-index: 1;
+  text-align: left;
+  box-shadow: 3px 4px 5px 0 #8885;
+}
+.pwa-toast .message {
+  margin-bottom: 8px;
+}
+.pwa-toast button {
+  border: 1px solid #8885;
+  outline: none;
+  margin-right: 5px;
+  border-radius: 2px;
+  padding: 3px 10px;
+}
 </style>