Fixed json cls encoder in trigger_client_event

src/django_htmx/http.py

@@ -2,6 +2,7 @@
 import sys
 from typing import Any, Dict
 
+from django.core.serializers.json import DjangoJSONEncoder
 from django.http import HttpResponse
 from django.http.response import HttpResponseRedirectBase
 
@@ -60,4 +61,4 @@ def trigger_client_event(
     else:
         data = {name: params}
 
-    response[header] = json.dumps(data)
+    response[header] = json.dumps(data, cls=DjangoJSONEncoder)

tests/test_http.py

@@ -1,3 +1,7 @@
+import uuid
+from datetime import datetime
+from decimal import Decimal
+
 import pytest
 from django.http import HttpResponse
 from django.test import SimpleTestCase
@@ -99,3 +103,22 @@ def test_success_after_swap(self):
         assert (
             response["HX-Trigger-After-Swap"] == '{"showMessage": {"value": "Great!"}}'
         )
+
+    def test_django_json_encoder(self):
+        response = HttpResponse()
+        uuid_value = uuid.uuid4()
+        dt = datetime(2022, 1, 1, 10, 0, 0)
+
+        params = {
+            "decimal": Decimal("9.99"),
+            "uuid": uuid_value,
+            "datetime": dt,
+            "date": dt.date(),
+        }
+        trigger_client_event(response, "showMessage", params)
+
+        expected = (
+            '{"decimal": "%s", "uuid": "%s", "datetime": "%s", "date": "%s"}'
+        ) % ("9.99", uuid_value, "2022-01-01T10:00:00", "2022-01-01")
+
+        assert expected in response["HX-Trigger"]