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reValuate/node_modules/fbjs/lib/isInternationalPhoneNumber.js.flow

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2021-04-02 02:24:13 +03:00
/**
* Copyright (c) 2013-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @providesModule isInternationalPhoneNumber
*
* Simple client-side validation of international phone numbers
*/
const US_NUMBER_RE = /^1\(?\d{3}\)?\d{7}$/;
const NORWAY_NUMBER_RE = /^47\d{8}$/;
const INTL_NUMBER_RE = /^\d{1,4}\(?\d{2,3}\)?\d{4,}$/;
function isInternationalPhoneNumber(number) {
number = number.replace(/[\-\s]+/g, '') // strip all spaces and hyphens
.replace(/^\+?0{0,2}/, ''); // strip up to 2 leading 0s and +
if (number.startsWith('0')) {
return false;
}
if (number.startsWith('1')) {
return US_NUMBER_RE.test(number);
}
if (number.startsWith('47')) {
return NORWAY_NUMBER_RE.test(number);
}
return INTL_NUMBER_RE.test(number);
}
module.exports = isInternationalPhoneNumber;