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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/useLang'
//@ts-ignore: type declaration
import * as jedLib from "jed";
import { strings } from "../i18n/strings";
import { setupI18n } from '@gnu-taler/taler-util';
interface Type {
lang: string;
changeLanguage: (l: string) => void;
}
const initial = {
lang: 'en',
changeLanguage: () => {
// do not change anything
}
}
const Context = createContext<Type>(initial)
interface Props {
initial?: string,
children: any,
forceLang?: string
}
//we use forceLang when we don't want to use the saved state, but sone forced
//runtime lang predefined lang
export const TranslationProvider = ({ initial, children, forceLang }: Props): VNode => {
const [lang, changeLanguage] = useLang(initial)
useEffect(() => {
if (forceLang) {
changeLanguage(forceLang)
}
})
useEffect(()=> {
setupI18n(lang, strings)
},[lang])
if (forceLang) {
setupI18n(forceLang, strings)
} else {
setupI18n(lang, strings)
}
return h(Context.Provider, { value: { lang, changeLanguage }, children });
}
export const useTranslationContext = (): Type => useContext(Context);
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