Merge pull request #384 from nuxt-community/authEmulatorSsrIssue

[auth-emulator] Fixed auth ssr service worker to use emulator if emulator is in use

lib/module.js

@@ -149,6 +149,7 @@ function loadAuth (options) {
 
   // Add Service-Worker
   addServiceWorker.call(this, options, 'firebase-auth-sw.js', {
+    authOptions: options.services.auth,
     ignorePaths: [
       '/__webpack_hmr',
       '/_loading',

lib/sw-templates/firebase-auth-sw.js

@@ -15,14 +15,29 @@ importScripts(
 firebase.initializeApp(<%= serialize(options.config) %>)
 <% } %>
 
+// Initialize authService
+const authService = firebase.auth()
+
+<% /* Uses emulator, if emulatorPort is set. */ %>
+<% const authOptions = options.authOptions %>
+<% if (['string', 'number'].includes(typeof authOptions.emulatorPort)) { %>
+<% const emulatorHost =
+typeof authOptions.emulatorHost === 'string'
+  ? authOptions.emulatorHost
+  : 'http://localhost'
+%>
+authService.useEmulator('<%= `${emulatorHost}` %>:<%= `${authOptions.emulatorPort}` %>')
+<% } %>
+
+
 /**
  * Returns a promise that resolves with an ID token if available.
  * @return {!Promise<?string>} The promise that resolves with an ID token if
  *     available. Otherwise, the promise resolves with null.
  */
 const getIdToken = () => {
   return new Promise((resolve) => {
-    const unsubscribe = firebase.auth().onAuthStateChanged((user) => {
+    const unsubscribe = authService.onAuthStateChanged((user) => {
       unsubscribe()
       if (user) {
         // force token refresh as it might be used to sign in server side