Files
boc/vims-backend/node_modules/validator/es/lib/isIMEI.js
T
Bernt 6de2455917 v1.2.0: Add Global Markets footer, translated to 9 languages
- Added GLOBAL_MARKETS_TITLE to all translation files
- Updated footer with 12 markets (4 active + 8 upcoming)
- Translated market section to: zh-cn, zh-tw, ja, ko, th, vi, id, ms, hi
- Built and deployed to production
- CloudFront invalidation: I3RTMXVFDJXWLG3SYX208OP1CC
2026-07-08 19:56:03 +00:00

40 lines
953 B
JavaScript

import assertString from './util/assertString';
var imeiRegexWithoutHyphens = /^[0-9]{15}$/;
var imeiRegexWithHyphens = /^\d{2}-\d{6}-\d{6}-\d{1}$/;
export default function isIMEI(str, options) {
assertString(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;
}