Clean up Select2 widget Javascript

netbox/dcim/forms.py

@@ -1688,7 +1688,7 @@ class DeviceForm(BootstrapMixin, TenancyForm, CustomFieldModelForm):
             api_url='/api/dcim/racks/{{rack}}/elevation/',
             attrs={
                 'disabled-indicator': 'device',
-                'data-additional-query-param-face': "[\"$face\"]",
+                'data-query-param-face': "[\"$face\"]",
             }
         )
     )

netbox/project-static/js/forms.js

@@ -157,31 +157,10 @@ $(document).ready(function() {
                 // Allow for controlling the brief setting from within APISelect
                 parameters.brief = ( $(element).is('[data-full]') ? undefined : true );
 
-                // filter-for fields from a chain
-                var attr_name = "data-filter-for-" + $(element).attr("name");
-                var form = $(element).closest('form');
-                var filter_for_elements = form.find("select[" + attr_name + "]");
-
-                filter_for_elements.each(function(index, filter_for_element) {
-                    var param_name = $(filter_for_element).attr(attr_name);
-                    var is_required = $(filter_for_element).attr("required");
-                    var is_nullable = $(filter_for_element).attr("data-null-option");
-                    var is_visible = $(filter_for_element).is(":visible");
-                    var value = $(filter_for_element).val();
-
-                    if (param_name && is_visible) {
-                        if (value) {
-                            parameters[param_name] = value;
-                        } else if (is_required && is_nullable) {
-                            parameters[param_name] = "null";
-                        }
-                    }
-                });
-
-                // Additional query params
+                // Attach any extra query parameters
                 $.each(element.attributes, function(index, attr){
-                    if (attr.name.includes("data-additional-query-param-")){
-                        var param_name = attr.name.split("data-additional-query-param-")[1];
+                    if (attr.name.includes("data-query-param-")){
+                        var param_name = attr.name.split("data-query-param-")[1];
 
                         $.each($.parseJSON(attr.value), function(index, value) {
                             // Referencing the value of another form field

netbox/utilities/forms/widgets.py

@@ -141,7 +141,7 @@ class APISelect(SelectWithDisabled):
         :param name: The name of the query param
         :param value: The value of the query param
         """
-        key = f'data-additional-query-param-{name}'
+        key = f'data-query-param-{name}'
 
         values = json.loads(self.attrs.get(key, '[]'))
         if type(value) is list: