feat(isUrl): urls with empty user (validatorjs#1833)

* allow urls with empty user

* use array extract

* reuse auth split

Author: MiguelSavignano

src/lib/isURL.js

@@ -111,13 +111,17 @@ export default function isURL(url, options) {
     if (options.disallow_auth) {
       return false;
     }
-    if (split[0] === '' || split[0].substr(0, 1) === ':') {
+    if (split[0] === '') {
       return false;
     }
     auth = split.shift();
     if (auth.indexOf(':') >= 0 && auth.split(':').length > 2) {
       return false;
     }
+    const [user, password] = auth.split(':');
+    if (user === '' && password === '') {
+      return false;
+    }
   }
   hostname = split.join('@');
 

test/validators.js

@@ -364,6 +364,7 @@ describe('Validators', () => {
         'http://www.foobar.com/~foobar',
         'http://user:[email protected]/',
         'http://user:@www.foobar.com/',
+        'http://:[email protected]/',
         'http://[email protected]',
         'http://127.0.0.1/',
         'http://10.0.0.0/',