wg-easy/src/localeDetector.ts

export default defineI18nLocaleDetector((event, config) => {
  const query = tryQueryLocale(event, { lang: '' });
  if (query) {
    return query.toString();
  }

  const cookie = tryCookieLocale(event, { lang: '', name: 'i18n_locale' });
  if (cookie) {
    return cookie.toString();
  }

  const header = tryHeaderLocale(event, { lang: '' });
  if (header) {
    return header.toString();
  }

  return config.defaultLocale;
});