From a611c0418ed48127fd8c04eaf2c4474a7ee94579 Mon Sep 17 00:00:00 2001
From: Andy Dufilie <andrew.dufilie@iweave.com>
Date: Thu, 21 Jan 2016 17:27:28 -0500
Subject: [PATCH] fixed getPathBox() crash when there were less than 2 items in
 pathSegList

---
 src/util.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/util.js b/src/util.js
index e245255..79cb901 100644
--- a/src/util.js
+++ b/src/util.js
@@ -39,6 +39,9 @@ var isValue = c3_chart_internal_fn.isValue = function (v) {
         return found;
     },
     getPathBox = c3_chart_internal_fn.getPathBox = function (path) {
+        if (path.pathSegList.numberOfItems < 2) {
+        	return {x: 0, y: 0, width: 0, height: 0};
+        }
         var box = path.getBoundingClientRect(),
             items = [path.pathSegList.getItem(0), path.pathSegList.getItem(1)],
             minX = items[0].x, minY = Math.min(items[0].y, items[1].y);