31 lines
1.2 KiB
TypeScript
31 lines
1.2 KiB
TypeScript
|
/*
|
||
|
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);
|
||
|
}
|