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pezkuwi-apps/packages/react-components/src/i18n/index.ts
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TypeScript

// Copyright 2017-2026 @pezkuwi/react-components authors & contributors
// SPDX-License-Identifier: Apache-2.0
import type { LanguageDetectorModule, Newable } from 'i18next';
import i18next from 'i18next';
import LanguageDetector from 'i18next-browser-languagedetector';
import { initReactI18next } from 'react-i18next';
import { LANGUAGE_DEFAULT, settings } from '@pezkuwi/ui-settings';
import Backend from './Backend.js';
// This is a workaround for the above package -
//
// 1. It does have an ESM export which would be used
// 2. The package type is set to commonjs
// 3. Unless we run fixup on it, it seems problematic... (here we opt for no fixup)
const languageDetector = new (LanguageDetector as unknown as Newable<LanguageDetectorModule & { addDetector: (...args: unknown[]) => unknown }>)();
languageDetector.addDetector({
lookup: () => {
const i18nLang = settings.i18nLang;
return i18nLang === LANGUAGE_DEFAULT
? undefined
: i18nLang;
},
name: 'i18nLangDetector'
});
i18next
.use(languageDetector)
.use(initReactI18next)
.use(Backend)
.init({
backend: {},
debug: false,
detection: {
order: ['i18nLangDetector', 'navigator']
},
fallbackLng: false,
interpolation: {
escapeValue: false,
prefix: '{{',
suffix: '}}'
},
keySeparator: false,
load: 'languageOnly',
ns: [
'apps',
'apps-config',
'apps-electron',
'apps-routing',
'app-accounts',
'app-claims',
'app-contracts',
'app-council',
'app-democracy',
'app-explorer',
'app-extrinsics',
'app-generic-asset',
'app-js',
'app-teyrchains',
'app-poll',
'app-rpc',
'app-settings',
'app-signing',
'app-society',
'app-staking',
'app-staking-async',
'app-staking-legacy',
'app-storage',
'app-sudo',
'app-tech-comm',
'app-treasury',
'react-api',
'react-components',
'react-hooks',
'react-params',
'react-query',
'react-signer',
'translation'
],
nsSeparator: false,
react: {
useSuspense: true
},
returnEmptyString: false,
returnNull: false
})
.catch((error: Error): void =>
console.log('i18n: failure', error)
);
settings.on('change', (settings): void => {
(
settings.i18nLang === LANGUAGE_DEFAULT
// If we want to use the default language, we need to pass no
// actual param through here
// https://github.com/i18next/i18next/blob/21eac5a605601ec1067aac3583c6ec6bc2ecd3b7/src/i18next.js#L366
? i18next.changeLanguage()
: i18next.changeLanguage(settings.i18nLang)
).catch(console.error);
});
export default i18next;