1 files changed, 61 insertions, 0 deletions
diff --git a/includes/external/addressbook/node_modules/validator/lib/isIMEI.js b/includes/external/addressbook/node_modules/validator/lib/isIMEI.js
new file mode 100644
index 0000000..aa05178
--- /dev/null
+++ b/includes/external/addressbook/node_modules/validator/lib/isIMEI.js
@@ -0,0 +1,61 @@
+"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;
+\ No newline at end of file