From d7e421efc985a063568e1bd974dd1ccfa6ea6455 Mon Sep 17 00:00:00 2001
From: pietervdvn <pietervdvn@posteo.net>
Date: Wed, 30 Jun 2021 15:37:30 +0200
Subject: [PATCH] Add addCallbackAndRunD which ignores undefeind and null
 values

---
 Logic/UIEventSource.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Logic/UIEventSource.ts b/Logic/UIEventSource.ts
index 7fa5a432d..d18cec86f 100644
--- a/Logic/UIEventSource.ts
+++ b/Logic/UIEventSource.ts
@@ -159,4 +159,11 @@ export class UIEventSource<T> {
         return newSource;
     }
 
+    addCallbackAndRunD(callback: (data :T ) => void) {
+        this.addCallbackAndRun(data => {
+            if(data !== undefined && data !== null){
+                callback(data)
+            }
+        })
+    }
 }
\ No newline at end of file