Factory: class.extend -> es6 class
diff --git a/erpnext/public/js/hub/hub_factory.js b/erpnext/public/js/hub/hub_factory.js
index 6451e1d..4c792f4 100644
--- a/erpnext/public/js/hub/hub_factory.js
+++ b/erpnext/public/js/hub/hub_factory.js
@@ -1,6 +1,6 @@
frappe.provide('erpnext.hub.pages');
-frappe.views.HubFactory = frappe.views.Factory.extend({
+frappe.views.HubFactory = class HubFactory extends frappe.views.Factory({
make(route) {
const page_name = frappe.get_route_str();
const page = route[1];