Require and setup the new Discourse initialization objects

assets/javascripts/wizard-custom-lib.js

@@ -5,7 +5,3 @@ Wizard.RAW_TEMPLATES = {};
 Discourse.__widget_helpers = {};
 window.__DISCOURSE_RAW_TEMPLATES = {};
 Discourse.SiteSettings = Wizard.SiteSettings;
-
-define("bootbox", ["exports"], function(__exports__) {
-  __exports__.default = window.bootbox;
-});

assets/javascripts/wizard-custom.js

@@ -124,6 +124,7 @@
 //= require caret_position.js
 //= require popper.js
 //= require bootbox.js
+//= require discourse-shims
 
 //= require ./wizard/custom-wizard
 //= require_tree ./wizard/components

assets/javascripts/wizard/initializers/custom.js.es6

@@ -26,10 +26,13 @@ export default {
     const RawHandlebars = requirejs("discourse-common/lib/raw-handlebars").default;
     const Site = requirejs("discourse/plugins/discourse-custom-wizard/wizard/models/site").default;
     const RestAdapter = requirejs("discourse/adapters/rest").default;
+    const Session = requirejs("discourse/models/session").default;
+    const setDefaultOwner = requirejs("discourse-common/lib/get-owner").setDefaultOwner;
 
+    const container = app.__container__;
     Discourse.Model = EmberObject.extend();
-    Discourse.__container__ = app.__container__;
-
+    Discourse.__container__ = container;
+    setDefaultOwner(container);
     registerRawHelpers(RawHandlebars, Handlebars);
 
     // IE11 Polyfill - https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/entries#Polyfill
@@ -65,6 +68,14 @@ export default {
         
     site.set('can_create_tag', false);
     
+    let context = {
+      siteSettings: container.lookup("site-settings:main"),
+      currentUser: container.lookup("current-user:main"),
+      site: container.lookup("site:main"),
+      session: container.lookup("session:main"),
+    };
+    createHelperContext(context);
+        
     Router.reopen({
       rootURL: getUrl('/w/')
     });