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- import mergeArrays from './mergeArrays.js';
- 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
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