From f8cbf8b247c3b7f1431705ab57fbbd0f17ba208e Mon Sep 17 00:00:00 2001
From: Kyle Spearrin <kyle.spearrin@gmail.com>
Date: Thu, 25 Jan 2018 22:59:53 -0500
Subject: [PATCH] fieldview ctor

---
 src/models/view/fieldView.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/models/view/fieldView.ts b/src/models/view/fieldView.ts
index e3c544c8f3..b3f68a584f 100644
--- a/src/models/view/fieldView.ts
+++ b/src/models/view/fieldView.ts
@@ -13,7 +13,11 @@ export class FieldView implements View {
     private _maskedValue: string;
     // tslint:enable
 
-    constructor(f: Field) {
+    constructor(f?: Field) {
+        if (!f) {
+            return;
+        }
+
         this.type = f.type;
     }