ENH: Allow setting the container class

django_svelte_jsoneditor/templates/django_svelte_jsoneditor/widgets/svelte_jsoneditor.html

@@ -1,6 +1,6 @@
 {% load static %}
 
-<div id="jsoneditor_{{ widget.attrs.id }}" class="svelte-jsoneditor-wrapper"></div>
+<div id="jsoneditor_{{ widget.attrs.id }}" class="{{ widget.wrapper_class }}"></div>
 
 <textarea name="{{ widget.name }}"{% include "django/forms/widgets/attrs.html" %}>{% if widget.value %}{{ widget.value }}{% endif %}</textarea>
 

django_svelte_jsoneditor/widgets.py

@@ -7,11 +7,13 @@
 class SvelteJSONEditorWidget(Textarea):
     template_name = "django_svelte_jsoneditor/widgets/svelte_jsoneditor.html"
 
-    def __init__(self, props=None, attrs=None):
+    def __init__(self, props=None, attrs=None, wrapper_class="svelte-jsoneditor-wrapper"):
         if attrs is None:
             attrs = {}
 
         self.props = {} if props is None else props.copy()
+        self.wrapper_class = wrapper_class
+
         check_props(self.props)
         attrs.update({"class": "hidden"})
 
@@ -20,6 +22,7 @@ def __init__(self, props=None, attrs=None):
     def get_context(self, name, value, attrs):
         context = super().get_context(name, value, attrs)
         context["widget"].update({"props": json.dumps({**get_props(), **self.props})})
+        context["widget"].update({"wrapper_class": self.wrapper_class})
         return context
 
     class Media: