69 lines
1.9 KiB
TypeScript
69 lines
1.9 KiB
TypeScript
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/*
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This file is part of GNU Taler
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(C) 2021 Taler Systems S.A.
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GNU Taler is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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*
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* @author Sebastian Javier Marchano (sebasjm)
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*/
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import { createContext, h, VNode } from 'preact'
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import { useContext, useEffect } from 'preact/hooks'
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import { useLang } from '../hooks/useLang'
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//@ts-ignore: type declaration
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import * as jedLib from "jed";
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import { strings } from "../i18n/strings";
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import { setupI18n } from '@gnu-taler/taler-util';
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interface Type {
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lang: string;
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changeLanguage: (l: string) => void;
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}
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const initial = {
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lang: 'en',
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changeLanguage: () => {
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// do not change anything
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}
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}
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const Context = createContext<Type>(initial)
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interface Props {
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initial?: string,
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children: any,
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forceLang?: string
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}
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//we use forceLang when we don't want to use the saved state, but sone forced
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//runtime lang predefined lang
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export const TranslationProvider = ({ initial, children, forceLang }: Props): VNode => {
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const [lang, changeLanguage] = useLang(initial)
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useEffect(() => {
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if (forceLang) {
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changeLanguage(forceLang)
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}
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})
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useEffect(()=> {
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setupI18n(lang, strings)
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},[lang])
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if (forceLang) {
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setupI18n(forceLang, strings)
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} else {
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setupI18n(lang, strings)
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}
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return h(Context.Provider, { value: { lang, changeLanguage }, children });
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}
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export const useTranslationContext = (): Type => useContext(Context);
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