Function useCollator

packages/react-aria/src/i18n/useCollator.ts:23–40

(options?: Intl.CollatorOptions)

 * @param options - Collator options.
 */
export function useCollator(options?: Intl.CollatorOptions): Intl.Collator {
  let {locale} = useLocale();

  let cacheKey =
    locale +
    (options
      ? Object.entries(options)
          .sort((a, b) => (a[0] < b[0] ? -1 : 1))
          .join()
      : '');
  if (cache.has(cacheKey)) {
    return cache.get(cacheKey)!;
  }

  let formatter = new Intl.Collator(locale, options);
  cache.set(cacheKey, formatter);
  return formatter;
}