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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = isIMEI;
- var _assertString = _interopRequireDefault(require("./util/assertString"));
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
- var imeiRegexWithoutHypens = /^[0-9]{15}$/;
- var imeiRegexWithHypens = /^\d{2}-\d{6}-\d{6}-\d{1}$/;
- function isIMEI(str, options) {
- (0, _assertString.default)(str);
- options = options || {}; // default regex for checking imei is the one without hyphens
- var imeiRegex = imeiRegexWithoutHypens;
- if (options.allow_hyphens) {
- imeiRegex = imeiRegexWithHypens;
- }
- if (!imeiRegex.test(str)) {
- return false;
- }
- str = str.replace(/-/g, '');
- var sum = 0,
- mul = 2,
- l = 14;
- for (var i = 0; i < l; i++) {
- var digit = str.substring(l - i - 1, l - i);
- var tp = parseInt(digit, 10) * mul;
- if (tp >= 10) {
- sum += tp % 10 + 1;
- } else {
- sum += tp;
- }
- if (mul === 1) {
- mul += 1;
- } else {
- mul -= 1;
- }
- }
- var chk = (10 - sum % 10) % 10;
- if (chk !== parseInt(str.substring(14, 15), 10)) {
- return false;
- }
- return true;
- }
- module.exports = exports.default;
- module.exports.default = exports.default;
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