Function hasLocale

src/i18n/config.ts:7–9

(locale: string)

export const defaultLocale: Locale = "en";

export function hasLocale(locale: string): locale is Locale {
  return locales.includes(locale as Locale);
}

export function localizePath(locale: string, pathname: string): string {
  if (!hasLocale(locale) || locale === defaultLocale) return pathname;