From b7c20bf3ca4ca8f12aea7459a0e9d89ced527813 Mon Sep 17 00:00:00 2001
From: Artyom Kravchenko <kravchenkofirst@gmail.com>
Date: Sat, 1 Apr 2017 10:54:35 +0300
Subject: [PATCH] Fix incorrect DateType validator

---
 src/definitions/common.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/definitions/common.js b/src/definitions/common.js
index 2b3496a2..7b9b8c0b 100644
--- a/src/definitions/common.js
+++ b/src/definitions/common.js
@@ -45,7 +45,7 @@ const Email = (reify: Type<Email>);
 Email.addConstraint(isEmail);
 
 export const isDate = (x: string): boolean => {
-  if (new Date(x).toString() === 'Invalid date') {
+  if (!x.match(/^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(?:.\d{1,3})?Z$/)) {
     return 'must be a valid date string';
   }
 };