1 files changed, 41 insertions, 0 deletions
diff --git a/packages/auditor-backoffice-ui/src/components/form/useGroupField.tsx b/packages/auditor-backoffice-ui/src/components/form/useGroupField.tsx
new file mode 100644
index 000000000..9a445eb32
--- /dev/null
+++ b/packages/auditor-backoffice-ui/src/components/form/useGroupField.tsx
@@ -0,0 +1,41 @@
+/*
+ This file is part of GNU Taler
+ (C) 2021-2023 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+/**
+ *
+ * @author Sebastian Javier Marchano (sebasjm)
+ */
+
+import { useFormContext } from "./FormProvider.js";
+
+interface Use {
+  hasError?: boolean;
+}
+
+export function useGroupField<T>(name: keyof T): Use {
+  const f = useFormContext<T>();
+  if (!f) return {};
+
+  return {
+    hasError: readField(f.errors, String(name)),
+  };
+}
+
+const readField = (object: any, name: string) => {
+  return name
+    .split(".")
+    .reduce((prev, current) => prev && prev[current], object);
+};