Function defaultLocale

packages/utils/defaultLocale.ts:9–14

(countryCode?: string)

 * @returns default locale, or en if not found
 */
export function defaultLocale(countryCode?: string): string {
  countryCode = canonicalizeCountryCode(countryCode)
  return (
    (countryCode && countryCode in data && data[countryCode as 'CN']) || 'en'
  )
}