From e1b260e3e04341703944a9c1167c2546ff514fb9 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Mon, 10 Aug 2020 16:10:05 +0800
Subject: Make data line not destroyable when syncing.

---
 Timeline/ClientApp/src/app/data/DataHub.ts | 1 +
 1 file changed, 1 insertion(+)

(limited to 'Timeline/ClientApp/src')

diff --git a/Timeline/ClientApp/src/app/data/DataHub.ts b/Timeline/ClientApp/src/app/data/DataHub.ts
index fd6b65d7..bfb96d1a 100644
--- a/Timeline/ClientApp/src/app/data/DataHub.ts
+++ b/Timeline/ClientApp/src/app/data/DataHub.ts
@@ -88,6 +88,7 @@ export class DataLine<TData> {
 
     return (
       this._observers.length === 0 &&
+      !this._syncingSubject.value &&
       (customDestroyable != null ? customDestroyable(this._current) : true)
     );
   }
-- 
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