LibreChat/client/src/localization/Translation.tsx

import English from './languages/Eng';
import Chinese from './languages/Zh';
// === import additional language files here === //

// input: language code in string
// returns an object of translated strings in the language
export const getTranslations = (langCode: string) => {
  if (langCode === 'en') return English;
  if (langCode === 'cn') return Chinese;
  // === add conditionals here for additional languages here === //
  return English; // default to English
};

// input: language code in string & phrase key in string
// returns an corresponding phrase value in string
export const localize = (langCode: string, phraseKey: string) => {
  const lang = getTranslations(langCode);
  return lang[phraseKey];
};