From 26d6dcebe58f40311e2f42d9cd664161eed15a72 Mon Sep 17 00:00:00 2001
From: Dylan Mikus <dylan@onsip.com>
Date: Mon, 15 Dec 2014 17:39:32 -0500
Subject: [PATCH] Do not log object properties that are functions and try
 JSON.stringify before checking for undefined.

---
 lib/prettystream.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/prettystream.js b/lib/prettystream.js
index fe98ed6..3671e97 100644
--- a/lib/prettystream.js
+++ b/lib/prettystream.js
@@ -312,12 +312,18 @@ function PrettyStream(opts){
     Object.keys(rec).forEach(function(key) {
       if (skip.indexOf(key) === -1){
         var value = rec[key];
-        if (typeof value === 'undefined') value = '';
         var stringified = false;
+        if (typeof value === 'function') {
+          return;
+        }
         if (typeof value !== 'string') {
           value = JSON.stringify(value, null, 2);
           stringified = true;
         }
+        if (typeof value === 'undefined') {
+            value = '';
+            stringified = false;
+        }
         if (value.indexOf('\n') !== -1 || value.length > 50) {
           details.push(key + ': ' + value);
         } else if (!stringified && (value.indexOf(' ') != -1 ||  value.length === 0)){