Files
boc/vims-backend/node_modules/validator/lib/isLuhnNumber.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

34 lines
925 B
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = isLuhnNumber;
var _assertString = _interopRequireDefault(require("./util/assertString"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function isLuhnNumber(str) {
(0, _assertString.default)(str);
var sanitized = str.replace(/[- ]+/g, '');
var sum = 0;
var digit;
var tmpNum;
var shouldDouble;
for (var i = sanitized.length - 1; i >= 0; i--) {
digit = sanitized.substring(i, i + 1);
tmpNum = parseInt(digit, 10);
if (shouldDouble) {
tmpNum *= 2;
if (tmpNum >= 10) {
sum += tmpNum % 10 + 1;
} else {
sum += tmpNum;
}
} else {
sum += tmpNum;
}
shouldDouble = !shouldDouble;
}
return !!(sum % 10 === 0 ? sanitized : false);
}
module.exports = exports.default;
module.exports.default = exports.default;