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authorRaindropsSys <contact@minteck.org>2023-04-06 22:18:28 +0200
committerRaindropsSys <contact@minteck.org>2023-04-06 22:18:28 +0200
commit83354b2b88218090988dd6e526b0a2505b57e0f1 (patch)
treee3c73c38a122a78bb7e66fbb99056407edd9d4b9 /includes/external/addressbook/node_modules/validator/lib/isLuhnNumber.js
parent47b8f2299a483024c4a6a8876af825a010954caa (diff)
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Updated 5 files and added 1110 files (automated)
Diffstat (limited to 'includes/external/addressbook/node_modules/validator/lib/isLuhnNumber.js')
-rw-r--r--includes/external/addressbook/node_modules/validator/lib/isLuhnNumber.js43
1 files changed, 43 insertions, 0 deletions
diff --git a/includes/external/addressbook/node_modules/validator/lib/isLuhnNumber.js b/includes/external/addressbook/node_modules/validator/lib/isLuhnNumber.js
new file mode 100644
index 0000000..8733f10
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+++ b/includes/external/addressbook/node_modules/validator/lib/isLuhnNumber.js
@@ -0,0 +1,43 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+ value: true
+});
+exports.default = isLuhnNumber;
+
+var _assertString = _interopRequireDefault(require("./util/assertString"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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; \ No newline at end of file