From 0ca5028b8c6cc50a84a17be349a0c2f527af45cd Mon Sep 17 00:00:00 2001
From: Alexander Rose <alex.rose@rcsb.org>
Date: Tue, 5 Mar 2019 14:37:43 -0800
Subject: [PATCH] StateObjectTracker, check if cell is undefined
---
src/mol-state/object.ts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/mol-state/object.ts b/src/mol-state/object.ts
index 706b84bb5..a57faf389 100644
--- a/src/mol-state/object.ts
+++ b/src/mol-state/object.ts
@@ -111,7 +111,7 @@ export class StateObjectTracker<T extends StateObject> {
const changed = this.cell !== cell || this.version !== version;
this.cell = cell;
this.version = version || '';
- this.data = cell.obj ? cell.obj.data as T : void 0 as any;
+ this.data = cell && cell.obj ? cell.obj.data as T : void 0 as any;
return changed;
}
--
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