add missed funcs module

Author: masenf

reflex_azure_auth/funcs.py

@@ -0,0 +1,15 @@
+"""Javascript functions for working with the browser."""
+
+from reflex.vars import Var
+from reflex.vars.function import ArgsFunctionOperation, FunctionStringVar
+
+WINDOW_OPEN = FunctionStringVar.create("window.open")
+POST_MESSAGE_AND_CLOSE_POPUP = ArgsFunctionOperation.create(
+    ("payload", "origin", "close_timeout"),
+    return_expr=Var("""{
+        if (window.opener && window.opener.origin === origin) {
+            window.opener.postMessage(payload, origin);
+            setTimeout(() => window.close(), close_timeout);
+        }
+    }"""),
+)