--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libervia/web/pages/_browser/proxy.py	Wed Nov 22 16:31:32 2023 +0100
@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+# Libervia XMPP
+# Copyright (C) 2009-2023 Jérôme Poisson (goffi@goffi.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+class JSProxy:
+    def __init__(self):
+        self._module = None
+
+    @property
+    def js_module(self):
+        return self._module
+
+    @js_module.setter
+    def js_module(self, module):
+        if self._module is not None:
+            raise Exception("Module is already set!")
+        self._module = module
+
+    def __getattr__(self, name):
+        if self._module is None:
+            raise RuntimeError("The module has not been loaded yet")
+        return getattr(self._module, name)
+
+    def __call__(self, *args):
+        if self._module is None:
+            raise RuntimeError("The module has not been loaded yet")
+        return self._module(*args)