From 0411600a679224e79edd82710e1f5c74558710be Mon Sep 17 00:00:00 2001
From: Jorik Tangelder <jorik@blendle.nl>
Date: Wed, 6 Apr 2016 09:34:43 +0200
Subject: [PATCH] return plain string when an invalid clazz is given

---
 lib/report/common/defaults.js | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/lib/report/common/defaults.js b/lib/report/common/defaults.js
index fae736fe..a9851c32 100644
--- a/lib/report/common/defaults.js
+++ b/lib/report/common/defaults.js
@@ -24,12 +24,13 @@ module.exports = {
 
     colorize: function (str, clazz) {
         /* istanbul ignore if: untestable in batch mode */
-        if (supportsColor) {
-            var colors = {
-                low: '31;1',
-                medium: '33;1',
-                high: '32;1'
-            };
+        var colors = {
+            low: '31;1',
+            medium: '33;1',
+            high: '32;1'
+        };
+        
+        if (supportsColor && colors[clazz]) {
             return '\u001b[' + colors[clazz] + 'm' + str + '\u001b[0m';
         }
         return str;