From bc5af0fcf1f44d28801ee230fd499cf5e704d33d Mon Sep 17 00:00:00 2001
From: Nikolay Vitkov <34244704+Lightning00Blade@users.noreply.github.com>
Date: Wed, 27 Mar 2024 19:43:09 +0100
Subject: [PATCH] chore(webdriver): fix issues when removing header (#12167)

---
 packages/puppeteer-core/src/bidi/HTTPRequest.ts | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/packages/puppeteer-core/src/bidi/HTTPRequest.ts b/packages/puppeteer-core/src/bidi/HTTPRequest.ts
index 090fe2764e9..c65f25fc099 100644
--- a/packages/puppeteer-core/src/bidi/HTTPRequest.ts
+++ b/packages/puppeteer-core/src/bidi/HTTPRequest.ts
@@ -271,13 +271,15 @@ export class BidiHTTPRequest extends HTTPRequest {
 function getBidiHeaders(rawHeaders?: Record<string, unknown>) {
   const headers: Bidi.Network.Header[] = [];
   for (const [name, value] of Object.entries(rawHeaders ?? [])) {
-    headers.push({
-      name: name.toLowerCase(),
-      value: {
-        type: 'string',
-        value: String(value),
-      },
-    });
+    if (!Object.is(value, undefined)) {
+      headers.push({
+        name: name.toLowerCase(),
+        value: {
+          type: 'string',
+          value: String(value),
+        },
+      });
+    }
   }
 
   return headers;