From 096413a9942178aa68925f032822b40900bac346 Mon Sep 17 00:00:00 2001
From: Johann-S <johann.servoire@gmail.com>
Date: Sat, 16 Jun 2018 22:20:27 +0200
Subject: fix(selector-engine): increase coverage for selector engine

---
 js/src/dom/selectorEngine.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'js/src')

diff --git a/js/src/dom/selectorEngine.js b/js/src/dom/selectorEngine.js
index b6b45bacb..55d2ce4bb 100644
--- a/js/src/dom/selectorEngine.js
+++ b/js/src/dom/selectorEngine.js
@@ -3,7 +3,7 @@ import Util from '../util'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): dom/selectorEngine.js
+ * Bootstrap (v4.1.1): dom/selectorEngine.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -69,6 +69,10 @@ const SelectorEngine = (() => {
     },
 
     closest(element, selector) {
+      if (typeof selector !== 'string') {
+        return null
+      }
+
       return closest(element, selector)
     },
 
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