Function registerLocaleData

packages/core/src/i18n/locale_data_api.ts:27–40

(data: any, localeId?: string | any, extraData?: any)

 * The signature `registerLocaleData(data: any, extraData?: any)` is deprecated since v5.1
 */
export function registerLocaleData(data: any, localeId?: string | any, extraData?: any): void {
  if (typeof localeId !== 'string') {
    extraData = localeId;
    localeId = data[LocaleDataIndex.LocaleId];
  }

  localeId = localeId.toLowerCase().replace(/_/g, '-');

  LOCALE_DATA[localeId] = data;

  if (extraData) {
    LOCALE_DATA[localeId][LocaleDataIndex.ExtraData] = extraData;
  }
}

/**
 * Finds the locale data for a given locale.