i18n

2 files changed, 68 insertions, 0 deletions

diff --git a/packages/taler-wallet-webextension/src/context/useDevContext.ts b/packages/taler-wallet-webextension/src/context/devContext.ts
index ea2ba4ceb..ea2ba4ceb 100644
--- a/packages/taler-wallet-webextension/src/context/useDevContext.ts
+++ b/packages/taler-wallet-webextension/src/context/devContext.ts
diff --git a/packages/taler-wallet-webextension/src/context/translation.ts b/packages/taler-wallet-webextension/src/context/translation.ts
new file mode 100644
index 000000000..5f57958de
--- /dev/null
+++ b/packages/taler-wallet-webextension/src/context/translation.ts
@@ -0,0 +1,68 @@
+/*
+ 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);