export type AppLocale = 'de' | 'en';

export const APP_LOCALES: readonly AppLocale[] = ['de', 'en'];

export const DEFAULT_LOCALE: AppLocale = 'de';

export const LOCALE_HTML_LANG: Record<AppLocale, string> = {
  de: 'de-DE',
  en: 'en',
};

export function isAppLocale(value: unknown): value is AppLocale {
  return value === 'de' || value === 'en';
}

export function otherLocale(locale: AppLocale): AppLocale {
  return locale === 'de' ? 'en' : 'de';
}