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/*
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/>
*/
import { useNotNullLocalStorage } from './useLocalStorage';
export function useLang(initial?: string): [string, (s:string) => void] {
const browserLang: string | undefined = typeof window !== "undefined" ? navigator.language || (navigator as any).userLanguage : undefined;
const defaultLang = (browserLang || initial || 'en').substring(0, 2)
return useNotNullLocalStorage('lang-preference', defaultLang)
}
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