From 8535534709a0bbc59aede9e023a845da4a1b62e1 Mon Sep 17 00:00:00 2001
From: Hongbo Wu <hongbo@omnivore.app>
Date: Thu, 16 Jun 2022 18:09:23 +0800
Subject: [PATCH] Fix classname = null exception by checking element parent
 node nullability before checking classname

---
 packages/readabilityjs/Readability.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/readabilityjs/Readability.js b/packages/readabilityjs/Readability.js
index 3d2a2931d..13e1791ad 100644
--- a/packages/readabilityjs/Readability.js
+++ b/packages/readabilityjs/Readability.js
@@ -2235,7 +2235,7 @@ Readability.prototype = {
           if (tweetParent && tweetParent.className.includes('twitter-tweet')) {
             tweetParent.parentNode.replaceChild(tweet, tweetParent);
           }
-        } else if (element.parentNode.className === 'tweet') {
+        } else if (element.parentNode && element.parentNode.className === 'tweet') {
           // Create tweets placeholders from classname
           try {
             const response = await axios.get(link);