From 929c1ea9ae59fda3f8429601bfe1f59250f01632 Mon Sep 17 00:00:00 2001
From: Akinwale Ariwodola <akinwale@gmail.com>
Date: Sun, 24 Sep 2017 14:02:42 +0100
Subject: [PATCH] fixed null handling for regex matching

---
 app.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/app.js b/app.js
index 0cc5ea2..409965c 100644
--- a/app.js
+++ b/app.js
@@ -653,7 +653,7 @@ const doSendTip = (body, message, callback) => {
     let amountLbc = 0;
     let matchedString = '';
     const match = String(message.data.body).match(tipRegex);
-    if (match.length > 0) {
+    if (match && match.length > 0) {
         matchedString = match[0];
         if (matchedString.indexOf(' ') > -1) {
             const parts = matchedString.split(' ', 2);
@@ -940,7 +940,8 @@ const processMessage = function(message, callback) {
     }
     
     if (message.kind === commentKind) {
-        if (body.match(gildRegex).length > 0) {
+        const gildMatch = body.match(gildRegex);
+        if (gildMatch && gildMatch.length > 0) {
             doGild(message, callback);
         } else {
             doSendTip(body, message, callback);