From 3b433adb42de1d8d9ecf23cb35f8a7473eb94289 Mon Sep 17 00:00:00 2001
From: tophf <tophf@gmx.com>
Date: Fri, 21 Apr 2017 13:06:00 +0300
Subject: [PATCH] check if orphaned in docRewriteObserver

---
 apply.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/apply.js b/apply.js
index 7c3b7161..a2f523b2 100644
--- a/apply.js
+++ b/apply.js
@@ -246,6 +246,9 @@ function initDocRewriteObserver() {
   }
   // re-add styles if we detect documentElement being recreated
   const reinjectStyles = () => {
+    if (!styleElements) {
+      return orphanCheck && orphanCheck();
+    }
     ROOT = document.documentElement;
     for (const el of styleElements.values()) {
       addStyleElement(document.importNode(el, true));