From be993c2cb17d70c5d6540a285ffff1917e2615ab Mon Sep 17 00:00:00 2001
From: Yanlong Wang <yanlong.wang@naiver.org>
Date: Wed, 13 Nov 2024 00:32:48 +0800
Subject: [PATCH] fix: there may be invalid root doc

---
 backend/functions/src/services/jsdom.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/backend/functions/src/services/jsdom.ts b/backend/functions/src/services/jsdom.ts
index d3ece32..7036e65 100644
--- a/backend/functions/src/services/jsdom.ts
+++ b/backend/functions/src/services/jsdom.ts
@@ -111,9 +111,9 @@ export class JSDomControl extends AsyncService {
         }
         const textNodes: HTMLElement[] = [];
         let rootDoc: Document;
-        if (allNodes.length === 1 && allNodes[0].nodeName === '#document') {
+        if (allNodes.length === 1 && allNodes[0].nodeName === '#document' && (allNodes[0] as any).documentElement) {
             rootDoc = allNodes[0] as any;
-            if (rootDoc.documentElement && rootDoc.body?.innerText) {
+            if (rootDoc.body?.innerText) {
                 textNodes.push(rootDoc.body);
             }
         } else {