fix isPort (#2208)

Author: anasshakil

src/lib/isInt.js

@@ -9,10 +9,7 @@ export default function isInt(str, options) {
 
   // Get the regex to use for testing, based on whether
   // leading zeroes are allowed or not.
-  let regex = (
-    options.hasOwnProperty('allow_leading_zeroes') && !options.allow_leading_zeroes ?
-      int : intLeadingZeroes
-  );
+  const regex = options.allow_leading_zeroes === false ? int : intLeadingZeroes;
 
   // Check min/max/lt/gt
   let minCheckPassed = (!options.hasOwnProperty('min') || str >= options.min);

src/lib/isPort.js

@@ -1,5 +1,5 @@
 import isInt from './isInt';
 
 export default function isPort(str) {
-  return isInt(str, { min: 0, max: 65535 });
+  return isInt(str, { allow_leading_zeroes: false, min: 0, max: 65535 });
 }

test/validators.test.js

@@ -2797,6 +2797,7 @@ describe('Validators', () => {
         '',
         '-1',
         '65536',
+        '0080',
       ],
     });
   });