isNANPACountry method

bool isNANPACountry(
  1. String? regionCode
)

Checks if this is a region under the North American Numbering Plan Administration (NANPA).

regionCode the CLDR two-letter region code. isNANPACountry returns true if regionCode is one of the regions under NANPA.

Implementation

bool isNANPACountry(String? regionCode) {
  List<String> regions =
      _metadataMapLoader.countryCodeToRegionCodeMap['$_nanpaCountryCode'] ??
          [];
  return regionCode != null && (regions.contains(regionCode.toUpperCase()));
}