From 033b22f9e9815f170f7d9e9e4e6fde35502f6c56 Mon Sep 17 00:00:00 2001
From: Sanel Hadzini <sanel.hadzini@yahoo.com>
Date: Tue, 12 Oct 2021 14:38:08 +0200
Subject: [PATCH] fix(isUUID) for null version argument supply

---
 src/lib/isUUID.js  |  4 ++--
 test/validators.js | 28 ++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/src/lib/isUUID.js b/src/lib/isUUID.js
index 61d938ac3..e22193d0f 100644
--- a/src/lib/isUUID.js
+++ b/src/lib/isUUID.js
@@ -7,8 +7,8 @@ const uuid = {
   all: /^[0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12}$/i,
 };
 
-export default function isUUID(str, version = 'all') {
+export default function isUUID(str, version) {
   assertString(str);
-  const pattern = uuid[version];
+  const pattern = uuid[version ?? 'all'];
   return pattern && pattern.test(str);
 }
diff --git a/test/validators.js b/test/validators.js
index 91794d521..600fe444f 100644
--- a/test/validators.js
+++ b/test/validators.js
@@ -4413,6 +4413,34 @@ describe('Validators', () => {
         'AAAAAAAA-1111-1111-AAAG-111111111111',
       ],
     });
+    test({
+      validator: 'isUUID',
+      args: [undefined],
+      valid: [
+        'A117FBC9-4BED-3078-CF07-9141BA07C9F3',
+        'A117FBC9-4BED-5078-AF07-9141BA07C9F3',
+      ],
+      invalid: [
+        '',
+        'xxxA987FBC9-4BED-3078-CF07-9141BA07C9F3',
+        'A987FBC94BED3078CF079141BA07C9F3',
+        'A11AAAAA-1111-1111-AAAG-111111111111',
+      ],
+    });
+    test({
+      validator: 'isUUID',
+      args: [null],
+      valid: [
+        'A127FBC9-4BED-3078-CF07-9141BA07C9F3',
+      ],
+      invalid: [
+        '',
+        'xxxA987FBC9-4BED-3078-CF07-9141BA07C9F3',
+        'A127FBC9-4BED-3078-CF07-9141BA07C9F3xxx',
+        '912859',
+        'A12AAAAA-1111-1111-AAAG-111111111111',
+      ],
+    });
     test({
       validator: 'isUUID',
       args: [3],