Move del_html_head_body_transform to from reactpy to reactpy-django

Archmonger · Archmonger · commit 7b1d6f9c881a · 2025-03-11T23:57:55.000-07:00
diff --git a/src/reactpy_django/components.py b/src/reactpy_django/components.py
@@ -14,7 +14,13 @@
 from reactpy_django.exceptions import ViewNotRegisteredError
 from reactpy_django.forms.components import _django_form
 from reactpy_django.pyscript.components import _pyscript_component
-from reactpy_django.utils import cached_static_file, generate_obj_name, import_module, render_view
+from reactpy_django.utils import (
+    cached_static_file,
+    del_html_head_body_transform,
+    generate_obj_name,
+    import_module,
+    render_view,
+)
 
 if TYPE_CHECKING:
     from collections.abc import Sequence
@@ -224,7 +230,7 @@ async def _render_view():
         set_converted_view(
             utils.html_to_vdom(
                 response.content.decode("utf-8").strip(),
-                utils.del_html_head_body_transform,
+                del_html_head_body_transform,
                 *transforms,
                 strict=strict_parsing,
             )
diff --git a/src/reactpy_django/utils.py b/src/reactpy_django/utils.py
@@ -42,7 +42,7 @@
     from collections.abc import Awaitable, Mapping, Sequence
 
     from django.views import View
-    from reactpy.types import ComponentConstructor
+    from reactpy.types import ComponentConstructor, VdomDict
 
     from reactpy_django.types import FuncParams, Inferred
 
@@ -517,3 +517,17 @@ def cached_static_file(static_path: str) -> str:
         caches[REACTPY_CACHE].set(cache_key, file_contents, timeout=None, version=int(last_modified_time))
 
     return file_contents
+
+
+def del_html_head_body_transform(vdom: VdomDict) -> VdomDict:
+    """Transform intended for use with `html_to_vdom`.
+
+    Removes `<html>`, `<head>`, and `<body>` while preserving their children.
+
+    Parameters:
+        vdom:
+            The VDOM dictionary to transform.
+    """
+    if vdom["tagName"] in {"html", "body", "head"}:
+        return {"tagName": "", "children": vdom.setdefault("children", [])}
+    return vdom
