fix(isMail):fixed consecutive hyphen check in domain part

When doing check with isEmail('[email protected]'), now returns false and behaves as expected.
validatorjs · Sep 19, 2023 · 6b21186 · 6b21186
1 parent b958bd7
commit 6b21186
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/lib/isFQDN.js b/src/lib/isFQDN.js
@@ -8,6 +8,7 @@ const default_fqdn_options = {
   allow_numeric_tld: false,
   allow_wildcard: false,
   ignore_max_length: false,
+  disallow_consecutive_hyphens: true,
 };
 
 export default function isFQDN(str, options) {
@@ -19,6 +20,11 @@ export default function isFQDN(str, options) {
     str = str.substring(0, str.length - 1);
   }
 
+  /* Check for consecutive hyphens in the domain part */
+  if (options.disallow_consecutive_hyphens && /--/.test(str)) {
+    return false;
+  }
+
   /* Remove the optional wildcard before checking validity */
   if (options.allow_wildcard === true && str.indexOf('*.') === 0) {
     str = str.substring(2);