deskreen/app/configs/i18next.config.client.ts

/* eslint-disable @typescript-eslint/ban-ts-comment */
import { remote, ipcRenderer } from 'electron';
import i18n from 'i18next';
import { initReactI18next } from 'react-i18next';
import SyncBackend from 'i18next-node-fs-backend';
import { join } from 'path';
import settings from 'electron-settings';
import config from './app.lang.config';
import isProduction from '../utils/isProduction';

export const getLangFullNameToLangISOKeyMap = (): Map<string, string> => {
  const res = new Map<string, string>();
  // eslint-disable-next-line no-restricted-syntax
  for (const [key, value] of Object.entries(
    config.langISOKeyToLangFullNameMap
  )) {
    res.set(value, key);
  }
  return res;
};

export const getLangISOKeyToLangFullNameMap = (): Map<string, string> => {
  const res = new Map<string, string>();
  // eslint-disable-next-line no-restricted-syntax
  for (const [key, value] of Object.entries(
    config.langISOKeyToLangFullNameMap
  )) {
    res.set(key, value);
  }
  return res;
};

const appPath = remote.getGlobal('appPath');

const i18nextOptions = {
  interpolation: {
    escapeValue: false,
  },
  backend: {
    // path where resources get loaded from
    loadPath: isProduction()
      ? join(appPath, 'locales/{{lng}}/{{ns}}.json')
      : join(__dirname, './locales/{{lng}}/{{ns}}.json'),
    // path to post missing resources
    addPath: isProduction()
      ? join(appPath, 'locales/{{lng}}/{{ns}}.json')
      : join(__dirname, './locales/{{lng}}/{{ns}}.missing.json'),
    // jsonIndent to use when storing json files
    jsonIndent: 2,
  },
  saveMissing: true,
  lng: (settings.hasSync('appLanguage')
    ? settings.getSync('appLanguage')
    : 'en') as string,
  fallbackLng: config.fallbackLng,
  whitelist: config.languages,
  react: {
    wait: false,
  },
};
i18n.use(SyncBackend);
i18n.use(initReactI18next);

if (!i18n.isInitialized) {
  i18n.init(i18nextOptions);
}

i18n.on('languageChanged', () => {
  ipcRenderer.send('client-changed-language', i18n.language);
});

export default i18n;