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/*
This file is part of GNU Anastasis
(C) 2021-2022 Anastasis SARL
GNU Anastasis 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, or (at your option) any later version.
GNU Anastasis 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
GNU Anastasis; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
import { useNotNullLocalStorage } from "./useLocalStorage.js";
function getBrowserLang(): string | undefined {
if (window.navigator.languages) return window.navigator.languages[0];
if (window.navigator.language) return window.navigator.language;
return undefined;
}
export function useLang(
initial?: string,
): [string, (s: string) => void, boolean] {
const defaultLang = (getBrowserLang() || initial || "en").substring(0, 2);
return useNotNullLocalStorage("lang-preference", defaultLang);
}
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