dees-document/ts/shared/translation.ts

import * as interfaces from '../interfaces/index.js';

type TTranslationImplementation = {
  [key in keyof interfaces.IDeDocumentTranslations]: string;
}

export const EN_translations: TTranslationImplementation = {
  invoice: 'Invoice',
  quantity: 'Quantity',
};

export const DE_translations: TTranslationImplementation = {
  invoice: 'Rechnung',
  quantity: 'Anzahl',
};

export const languageCodeMap = {
  'DE': DE_translations,
  'EN': EN_translations,
};

export type TLanguageCode = keyof typeof languageCodeMap;

export const translate = (languageCode: TLanguageCode, key: string, defaultValue: string) => {
  const translations = languageCodeMap[languageCode] || EN_translations;
  if (translations && translations[key]) {
    return translations[key];
  } else {
    return defaultValue;
  }
};