I18n is now imported

assets/javascripts/wizard-preload.js.es6

@@ -0,0 +1,2 @@
+//= require discourse-loader
+//= require locales/i18n

assets/javascripts/wizard/components/custom-user-selector.js.es6

@@ -1,6 +1,7 @@
 import { default as computed, observes } from 'discourse-common/utils/decorators';
 import { renderAvatar } from 'discourse/helpers/user-avatar';
 import userSearch from '../lib/user-search';
+import I18n from "I18n";
 
 const template = function(params) {
   const options = params.options;

assets/javascripts/wizard/components/wizard-field-upload.js.es6

@@ -1,5 +1,6 @@
 import getUrl from "discourse-common/lib/get-url";
 import { getToken } from "wizard/lib/ajax";
+import I18n from "I18n";
 
 export default Ember.Component.extend({
   classNames: ["wizard-field-upload"],

assets/javascripts/wizard/components/wizard-text-field.js.es6

@@ -2,6 +2,7 @@
 
 import computed from "discourse-common/utils/decorators";
 import { siteDir, isRTL, isLTR } from "discourse/lib/text-direction";
+import I18n from "I18n";
 
 export default Ember.TextField.extend({
   attributeBindings: ['autocorrect', 'autocapitalize', 'autofocus', 'maxLength', 'dir'],

assets/javascripts/wizard/routes/custom-step.js.es6

@@ -1,3 +1,5 @@
+import I18n from "I18n";
+
 export default Ember.Route.extend({
   model(params) {
     const appModel = this.modelFor('custom');

views/layouts/wizard.html.erb

@@ -11,7 +11,8 @@
     <%- if theme_ids.present? %>
       <%= discourse_stylesheet_link_tag (mobile_view? ? :mobile_theme : :desktop_theme) %>
     <%- end %>
-
+    
+    <%= preload_script "wizard-preload" %>
     <%= preload_script "ember_jquery" %>
     <%= preload_script "wizard-vendor" %>
     <%= preload_script "wizard-application" %>