@kiwicom/smart-faq/src/shared/helpers/translationUtils.js

// @flow

import { langInfos } from '../../translations/langInfos';

export type SupportedLanguages = {
  [key: string]: string,
};

export const DEFAULT_LOCALE = 'en_GB';

const parseDashToUnderscore = (locale: string): string =>
  locale.replace('-', '_');

export const supportedLanguages: SupportedLanguages = Object.keys(
  langInfos,
).reduce((acc, langId) => {
  acc[langId] = parseDashToUnderscore(langInfos[langId].iso);
  return acc;
}, {});

export const fromLanguageToLocale = (lang: string): string =>
  supportedLanguages[lang];