From 38202c147273d581c342c0b49e0c5e38d24d817d Mon Sep 17 00:00:00 2001
From: Rishabh <zrishabhgarg@gmail.com>
Date: Thu, 24 Jun 2021 21:47:31 +0530
Subject: [PATCH] Added guard for missing contentDocument

no refs

- in a rare edge case, its possible that `contentDocument` is not available due to component unmount, guards against erroring in such scenarios
---
 ghost/portal/src/components/Frame.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/ghost/portal/src/components/Frame.js b/ghost/portal/src/components/Frame.js
index 0813e8a979..3f76de9a21 100644
--- a/ghost/portal/src/components/Frame.js
+++ b/ghost/portal/src/components/Frame.js
@@ -15,10 +15,12 @@ export default class Frame extends Component {
     }
 
     setupFrameBaseStyle() {
-        this.iframeHtml = this.node.contentDocument.documentElement;
-        this.iframeHead = this.node.contentDocument.head;
-        this.iframeRoot = this.node.contentDocument.body;
-        this.forceUpdate();
+        if (this.node.contentDocument) {
+            this.iframeHtml = this.node.contentDocument.documentElement;
+            this.iframeHead = this.node.contentDocument.head;
+            this.iframeRoot = this.node.contentDocument.body;
+            this.forceUpdate();
+        }
     }
 
     render() {