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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/>
*/
/**
*
* @author Sebastian Javier Marchano (sebasjm)
*/
import { createContext, h, VNode } from 'preact';
import { useContext, useEffect } from 'preact/hooks';
import { useLang } from '../hooks';
import * as jedLib from 'jed';
import { strings } from '../i18n/strings';
interface Type {
lang: string;
handler: any;
changeLanguage: (l: string) => void;
}
const initial = {
lang: 'en',
handler: null,
changeLanguage: () => {
/**
* This function will be replaced by one with
* the same signature _but_ coming from the state.
* FIXME: clarify this design.
*/
},
};
const Context = createContext<Type>(initial);
interface Props {
initial?: string;
children: any;
forceLang?: string;
}
// Outmost UI wrapper.
export const TranslationProvider = ({
initial,
children,
forceLang,
}: Props): VNode => {
const [lang, changeLanguage] = useLang(initial);
useEffect(() => {
if (forceLang)
changeLanguage(forceLang);
});
console.log('lang store', strings);
const handler = new jedLib.Jed(strings[lang] || strings['en']);
return h(Context.Provider, {
value: { lang, handler, changeLanguage },
children,
});
};
export const useTranslationContext = (): Type => useContext(Context);
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