From b9ef39f4e028b06baed3e00c07152b53561ba2d1 Mon Sep 17 00:00:00 2001
From: Seth Traverse <stravers@inetco.com>
Date: Tue, 5 Dec 2017 14:39:38 -0800
Subject: [PATCH] Fix dropSlotHeight null check to allow a height of 0

---
 lib/models/tree-options.model.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/models/tree-options.model.ts b/lib/models/tree-options.model.ts
index bd6475a0..d10c588a 100644
--- a/lib/models/tree-options.model.ts
+++ b/lib/models/tree-options.model.ts
@@ -138,6 +138,6 @@ export class TreeOptions {
   }
 
   get dropSlotHeight(): number {
-    return this.options.dropSlotHeight || 2;
+    return this.options.dropSlotHeight === undefined ? 2 : this.options.dropSlotHeight;
   }
 }