From afb4a22c61a143ece5513fb723713f3a353e24b8 Mon Sep 17 00:00:00 2001
From: mehmet-erim <bilgi@mehmeterim.com>
Date: Mon, 20 Jan 2020 10:38:01 +0300
Subject: [PATCH] refactor(core): make toLocalIsoString optional

#2666
---
 npm/ng-packs/packages/core/src/lib/utils/date-extensions.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/npm/ng-packs/packages/core/src/lib/utils/date-extensions.ts b/npm/ng-packs/packages/core/src/lib/utils/date-extensions.ts
index 3522b000c8..8f0d17504d 100644
--- a/npm/ng-packs/packages/core/src/lib/utils/date-extensions.ts
+++ b/npm/ng-packs/packages/core/src/lib/utils/date-extensions.ts
@@ -2,7 +2,7 @@ export {};
 
 declare global {
   interface Date {
-    toLocalISOString(): string;
+    toLocalISOString?: () => string;
   }
 }