From 2e580973eab0c0de4bd54f9973277afdbd9b99b9 Mon Sep 17 00:00:00 2001
From: Marco Pasqualetti <marco.pasqualetti@live.com>
Date: Fri, 19 Mar 2021 15:09:42 +0100
Subject: [PATCH] make sure we are in a browser before registerElement check  -
 #3335

---
 src/utils/dom.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/utils/dom.js b/src/utils/dom.js
index 0d88a6cc3..34e92b2bc 100755
--- a/src/utils/dom.js
+++ b/src/utils/dom.js
@@ -4,7 +4,7 @@ import { isString, isNumber } from 'utils/is';
 
 let createElement, matches, div, methodNames, unprefixed, prefixed, i, j, makeFunction;
 
-const customStr = 'registerElement' in doc;
+const customStr = isClient && 'registerElement' in doc;
 function wrap(is) {
   return customStr ? is : { is };
 }