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diff --git a/packages/taler-wallet-core/src/i18n/index.ts b/packages/taler-wallet-core/src/i18n/index.ts
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--- a/packages/taler-wallet-core/src/i18n/index.ts
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-/*
- This file is part of TALER
- (C) 2016 GNUnet e.V.
-
- 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.
-
- 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
- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
- */
-
-/**
- * Translation helpers for React components and template literals.
- */
-
-/**
- * Imports.
- */
-import { strings } from "./strings";
-export { strings } from "./strings";
-
-// @ts-ignore: no type decl for this library
-import * as jedLib from "jed";
-import { Logger } from "../util/logging";
-
-const logger = new Logger("i18n/index.ts");
-
-export let jed: any = undefined;
-
-/**
- * Set up jed library for internationalization,
- * based on browser language settings.
- */
-export function setupI18n(lang: string): any {
- lang = lang.replace("_", "-");
-
- if (!strings[lang]) {
- lang = "en-US";
- logger.warn(`language ${lang} not found, defaulting to english`);
- }
- jed = new jedLib.Jed(strings[lang]);
-}
-
-/**
- * Use different translations for testing. Should not be used outside
- * of test cases.
- */
-export function internalSetStrings(langStrings: any): void {
- jed = new jedLib.Jed(langStrings);
-}
-
-/**
- * Convert template strings to a msgid
- */
-function toI18nString(stringSeq: ReadonlyArray<string>): string {
- let s = "";
- for (let i = 0; i < stringSeq.length; i++) {
- s += stringSeq[i];
- if (i < stringSeq.length - 1) {
- s += `%${i + 1}$s`;
- }
- }
- return s;
-}
-
-/**
- * Internationalize a string template with arbitrary serialized values.
- */
-export function str(stringSeq: TemplateStringsArray, ...values: any[]): string {
- const s = toI18nString(stringSeq);
- const tr = jed
- .translate(s)
- .ifPlural(1, s)
- .fetch(...values);
- return tr;
-}
-
-/**
- * Get an internationalized string (based on the globally set, current language)
- * from a JSON object. Fall back to the default language of the JSON object
- * if no match exists.
- */
-export function getJsonI18n<K extends string>(
- obj: Record<K, string>,
- key: K,
-): string {
- return obj[key];
-}