From ecb8eb0263dfe4eea08c86d57cedb18565f2871e Mon Sep 17 00:00:00 2001
From: cyrille <cyrille.colin@univ-lorraine.fr>
Date: Wed, 21 Jun 2017 09:17:58 +0200
Subject: [PATCH] test if path exist with ghost clicks events

---
 src/standard/gestures.html | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/standard/gestures.html b/src/standard/gestures.html
index 63c9a9cdbb..9d32904b06 100644
--- a/src/standard/gestures.html
+++ b/src/standard/gestures.html
@@ -71,9 +71,11 @@
     // disable "ghost clicks"
     if (mouseEvent.type === 'click') {
       var path = Polymer.dom(mouseEvent).path;
-      for (var i = 0; i < path.length; i++) {
-        if (path[i] === POINTERSTATE.mouse.target) {
-          return;
+      if (path) {
+        for (var i = 0; i < path.length; i++) {
+          if (path[i] === POINTERSTATE.mouse.target) {
+            return;
+          }
         }
       }
       mouseEvent.preventDefault();