diff options
Diffstat (limited to 'packages/merchant-backoffice-ui/src/components/form/useGroupField.tsx')
-rw-r--r-- | packages/merchant-backoffice-ui/src/components/form/useGroupField.tsx | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/packages/merchant-backoffice-ui/src/components/form/useGroupField.tsx b/packages/merchant-backoffice-ui/src/components/form/useGroupField.tsx new file mode 100644 index 000000000..a73f464a1 --- /dev/null +++ b/packages/merchant-backoffice-ui/src/components/form/useGroupField.tsx @@ -0,0 +1,40 @@ +/* + This file is part of GNU Taler + (C) 2021 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"; + +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) +} |