Function matchLocale

packages/dev/s2-docs/src/VisualExampleClient.tsx:1210–1226

(defaultLocale: string)

];

function matchLocale(defaultLocale: string) {
  let parsed: Intl.Locale;
  try {
    parsed = new Intl.Locale(defaultLocale);
  } catch {
    return 'en-US';
  }

  let locales = preferences.map(p => new Intl.Locale(p.value));

  // Try with both language and region first, and if that fails, try again with just language
  let p =
    locales.find(
      locale => locale.language === parsed.language && locale.region === parsed.region
    ) || locales.find(locale => locale.language === parsed.language);
  return p?.toString() || 'en-US';
}

function LocaleControl({control, value, onChange}: ControlProps) {
  let {locale: defaultLocale} = useLocale();