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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = isIMEI;
var _assertString = _interopRequireDefault(require("./util/assertString"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
var imeiRegexWithoutHyphens = /^[0-9]{15}$/;
var imeiRegexWithHyphens = /^\d{2}-\d{6}-\d{6}-\d{1}$/;
function isIMEI(str, options) {
(0, _assertString.default)(str);
options = options || {};
// default regex for checking imei is the one without hyphens
var imeiRegex = imeiRegexWithoutHyphens;
if (options.allow_hyphens) {
imeiRegex = imeiRegexWithHyphens;
}
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;