repo: integrate packages from former merchant-backoffice.git

1 files changed, 73 insertions, 0 deletions

diff --git a/packages/demobank-ui/src/context/translation.ts b/packages/demobank-ui/src/context/translation.ts
new file mode 100644
index 000000000..1879fe43e
--- /dev/null
+++ b/packages/demobank-ui/src/context/translation.ts
@@ -0,0 +1,73 @@
+/*
+ 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);