text: import mergeArrays from './mergeArrays';
  export default function checkNumberLength(nationalNumber, metadata) {
    return checkNumberLengthForType(nationalNumber, undefined, metadata);
  } // Checks whether a number is possible for the country based on its length.
  // Should only be called for the "new" metadata which has "possible lengths".
  
  export function checkNumberLengthForType(nationalNumber, type, metadata) {
    var type_info = metadata.type(type); // There should always be "<possiblePengths/>" set for every type element.
    // This is declared in the XML schema.
    // For size efficiency, where a sub-description (e.g. fixed-line)
    // has the same "<possiblePengths/>" as the "general description", this is missing,
    // so we fall back to the "general description". Where no numbers of the type
    // exist at all, there is one possible length (-1) which is guaranteed
    // not to match the length of any real phone number.
  
    var possible_lengths = type_info && type_info.possibleLengths() || metadata.possibleLengths(); // let local_lengths    = type_info && type.possibleLengthsLocal() || metadata.possibleLengthsLocal()
    // Metadata before version `1.0.18` didn't contain `possible_lengths`.
  
    if (!possible_lengths) {
      return 'IS_POSSIBLE';
    }
  
    if (type === 'FIXED_LINE_OR_MOBILE') {
      // No such country in metadata.
  
      /* istanbul ignore next */
      if (!metadata.type('FIXED_LINE')) {
        // The rare case has been encountered where no fixedLine data is available
        // (true for some non-geographic entities), so we just check mobile.
        return checkNumberLengthForType(nationalNumber, 'MOBILE', metadata);
      }
  
      var mobile_type = metadata.type('MOBILE');
  
      if (mobile_type) {
        // Merge the mobile data in if there was any. "Concat" creates a new
        // array, it doesn't edit possible_lengths in place, so we don't need a copy.
        // Note that when adding the possible lengths from mobile, we have
        // to again check they aren't empty since if they are this indicates
        // they are the same as the general desc and should be obtained from there.
        possible_lengths = mergeArrays(possible_lengths, mobile_type.possibleLengths()); // The current list is sorted; we need to merge in the new list and
        // re-sort (duplicates are okay). Sorting isn't so expensive because
        // the lists are very small.
        // if (local_lengths) {
        // 	local_lengths = mergeArrays(local_lengths, mobile_type.possibleLengthsLocal())
        // } else {
        // 	local_lengths = mobile_type.possibleLengthsLocal()
        // }
      }
    } // If the type doesn't exist then return 'INVALID_LENGTH'.
    else if (type && !type_info) {
        return 'INVALID_LENGTH';
      }
  
    var actual_length = nationalNumber.length; // In `libphonenumber-js` all "local-only" formats are dropped for simplicity.
    // // This is safe because there is never an overlap beween the possible lengths
    // // and the local-only lengths; this is checked at build time.
    // if (local_lengths && local_lengths.indexOf(nationalNumber.length) >= 0)
    // {
    // 	return 'IS_POSSIBLE_LOCAL_ONLY'
    // }
  
    var minimum_length = possible_lengths[0];
  
    if (minimum_length === actual_length) {
      return 'IS_POSSIBLE';
    }
  
    if (minimum_length > actual_length) {
      return 'TOO_SHORT';
    }
  
    if (possible_lengths[possible_lengths.length - 1] < actual_length) {
      return 'TOO_LONG';
    } // We skip the first element since we've already checked it.
  
  
    return possible_lengths.indexOf(actual_length, 1) >= 0 ? 'IS_POSSIBLE' : 'INVALID_LENGTH';
  }
  //# sourceMappingURL=checkNumberLength.js.map