From 4eedaccffe4dd27f4e5c69a4f0d4662887dabaa2 Mon Sep 17 00:00:00 2001
From: vinhnghi223 <vinhnghi223@gmail.com>
Date: Tue, 16 Feb 2016 22:07:15 +0200
Subject: [PATCH] Prevented access index '1' of null

---
 index.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 973cf50..31079af 100644
--- a/index.js
+++ b/index.js
@@ -23,7 +23,8 @@ module.exports = function(input, options, cb) {
 
     // Find the title of the page by identifying the <h1>
     // The second match is the inner group
-    var title = body.match('<h1.*>(.*)</h1>')[1] || 'Page ' + (i + 1);
+    var foundHeadings = body.match('<h1.*>(.*)</h1>');
+    var title = foundHeadings && foundHeadings[1] || 'Page ' + (i + 1);
     var anchor = title.toLowerCase().replace(/[^\w]+/g, '-');
 
     return { title: title, anchor: anchor, body: body }