WL-1270 | Included an empty file on receipt page to include extra js code in WL-themes.

ecommerce/templates/edx/checkout/_receipt_js_extras.html

+
+{# This file is intentionally empty. We have to include some extra JS code in WL themes. #}

ecommerce/templates/edx/checkout/receipt.html

@@ -15,6 +15,7 @@
 
 {% block javascript %}
   <script src="{% static 'js/apps/order_receipt_app.js' %}"></script>
+  {% include 'edx/checkout/_receipt_js_extras.html' %}
 {% endblock javascript %}
 
 {% block navbar %}