From dd76cf3866e98f474a18e434d387735b081aae21 Mon Sep 17 00:00:00 2001
From: "yanlong.wang" <yanlong.wang@naiver.org>
Date: Thu, 13 Mar 2025 16:30:22 +0800
Subject: [PATCH] docs: mention about issues caused by upstream

---
 src/services/puppeteer.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/services/puppeteer.ts b/src/services/puppeteer.ts
index 800dbe5..71b434b 100644
--- a/src/services/puppeteer.ts
+++ b/src/services/puppeteer.ts
@@ -487,6 +487,8 @@ class PageReqCtrlKit {
         deferred?.resolve();
         const now = Date.now();
         this.lastResourceLoadedAt = now;
+        // Beware req being undefined
+        // https://pptr.dev/api/puppeteer.pageevent#:~:text=For%20certain%20requests%2C%20might%20contain%20undefined.
         const typ = req?.resourceType();
         if (!typ) {
             return;