From 2fc723b3ac0fc59f419bafbb8e8b15f27369ca1f Mon Sep 17 00:00:00 2001
From: Daniel Imms <daimms@microsoft.com>
Date: Wed, 25 Oct 2017 21:24:44 -0700
Subject: [PATCH] Fix exception when setting theme

Fixes #1079
---
 src/renderer/ColorManager.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/renderer/ColorManager.ts b/src/renderer/ColorManager.ts
index 80daf31f..6c0d2945 100644
--- a/src/renderer/ColorManager.ts
+++ b/src/renderer/ColorManager.ts
@@ -109,6 +109,9 @@ export class ColorManager implements IColorManager {
   }
 
   private _validateColor(color: string, fallback: string): string {
+    if (!color) {
+      return fallback;
+    }
     if (color.length === 7 && color.charAt(0) === '#') {
       return color;
     }