From bfd016bde12f996ab0c9d5f57ff0173388091eec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mislav=20Marohni=C4=87?= <mislav.marohnic@gmail.com>
Date: Tue, 8 May 2018 16:10:28 +0200
Subject: [PATCH] Check for `el.hasAttribute` before invoking

This is called on nodes while traversing up the DOM, and there is no
guarantee that a node is an Element node and that it will implement the
`hasAttribute` function.
---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 000293f..4c567da 100644
--- a/index.js
+++ b/index.js
@@ -192,7 +192,7 @@ function inspect(element) {
 function selectors(element) {
   const components = [element.nodeName.toLowerCase()]
   if (element.id) components.push(`#${element.id}`)
-  if (element.hasAttribute('class')) {
+  if (typeof element.hasAttribute === 'function' && element.hasAttribute('class')) {
     for (const name of element.getAttribute('class').split(/\s+/)) {
       if (name.match(/^js-/)) components.push(`.${name}`)
     }