fix FCM sw scripts imports

Author: lupas

index.js

@@ -84,7 +84,8 @@ export default function nuxtFire(moduleOptions) {
       ),
       options: {
         firebaseVersion: '7.3.0',
-        messagingSenderId: options.config[options.currentEnv].messagingSenderId
+        messagingSenderId: options.config[options.currentEnv].messagingSenderId,
+        onFirebaseHosting: false
       }
     })
   }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nuxt-fire",
-  "version": "2.4.2",
+  "version": "2.4.3",
   "license": "MIT",
   "description": "Intergrate Firebase into your Nuxt project.",
   "main": "index.js",

templates/firebase-messaging-sw.js

@@ -1,9 +1,15 @@
 const options = <%= serialize(options) %>
 const version = options.firebaseVersion
 const messagingSenderId = options.messagingSenderId
+const onFirebaseHosting = options.onFirebaseHosting
 
-// Get ENV && set messagingSenderId
-if (this.location.hostname === 'localhost') {
+if (onFirebaseHosting) {
+  // Only works on Firebase hosting!
+  importScripts('/__/firebase/' + version + '/firebase-app.js')
+  importScripts('/__/firebase/' + version + '/firebase-messaging.js')
+  importScripts('/__/firebase/init.js')
+}
+else {
   importScripts(
     'https://www.gstatic.com/firebasejs/' + version + '/firebase-app.js'
   )
@@ -13,13 +19,7 @@ if (this.location.hostname === 'localhost') {
   firebase.initializeApp({
     messagingSenderId: messagingSenderId
   })
-} else {
-  // Only works on Firebase hosting!
-  // other option, add PRD messagingSenderId = '337088779183' and do the same
-  importScripts('/__/firebase/' + version + '/firebase-app.js')
-  importScripts('/__/firebase/' + version + '/firebase-messaging.js')
-  importScripts('/__/firebase/init.js')
-}
+} 
 
 // Retrieve an instance of Firebase Messaging so that it can handle background
 // messages.