Function getLocaleDirection

packages/common/src/i18n/locale_data_api.ts:700–703

(locale: string)

 * 3rd party alternatives like [`rtl-detect`](https://www.npmjs.com/package/rtl-detect) can work around this issue.
 */
export function getLocaleDirection(locale: string): 'ltr' | 'rtl' {
  const data = ɵfindLocaleData(locale);
  return data[ɵLocaleDataIndex.Directionality];
}

/**
 * Retrieves the first value that is defined in an array, going backwards from an index position.