import Metadata from './metadata.js';
import matchesEntirely from './helpers/matchesEntirely.js';
import getNumberType from './helpers/getNumberType.js';
/**
 * Checks if a given phone number is valid.
 *
 * If the `number` is a string, it will be parsed to an object,
 * but only if it contains only valid phone number characters (including punctuation).
 * If the `number` is an object, it is used as is.
 *
 * The optional `defaultCountry` argument is the default country.
 * I.e. it does not restrict to just that country,
 * e.g. in those cases where several countries share
 * the same phone numbering rules (NANPA, Britain, etc).
 * For example, even though the number `07624 369230`
 * belongs to the Isle of Man ("IM" country code)
 * calling `isValidNumber('07624369230', 'GB', metadata)`
 * still returns `true` because the country is not restricted to `GB`,
 * it's just that `GB` is the default one for the phone numbering rules.
 * For restricting the country see `isValidNumberForRegion()`
 * though restricting a country might not be a good idea.
 * https://github.com/googlei18n/libphonenumber/blob/master/FAQ.md#when-should-i-use-isvalidnumberforregion
 *
 * Examples:
 *
 * ```js
 * isValidNumber('+78005553535', metadata)
 * isValidNumber('8005553535', 'RU', metadata)
 * isValidNumber('88005553535', 'RU', metadata)
 * isValidNumber({ phone: '8005553535', country: 'RU' }, metadata)
 * ```
 */

export default function isValidNumber(input, options, metadata) {
  // If assigning the `{}` default value is moved to the arguments above,
  // code coverage would decrease for some weird reason.
  options = options || {};
  metadata = new Metadata(metadata); // This is just to support `isValidNumber({})`
  // for cases when `parseNumber()` returns `{}`.

  if (!input.country) {
    return false;
  }

  metadata.selectNumberingPlan(input.country, input.countryCallingCode); // By default, countries only have type regexps when it's required for
  // distinguishing different countries having the same `countryCallingCode`.

  if (metadata.hasTypes()) {
    return getNumberType(input, options, metadata.metadata) !== undefined;
  } // If there are no type regexps for this country in metadata then use
  // `nationalNumberPattern` as a "better than nothing" replacement.


  var national_number = options.v2 ? input.nationalNumber : input.phone;
  return matchesEntirely(national_number, metadata.nationalNumberPattern());
}
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