From 64593fb4e67b129ed3be5a7dbcd4f6eddae69f1b Mon Sep 17 00:00:00 2001
From: Swapnil Nagar <swapnilnagar@microsoft.com>
Date: Thu, 5 Feb 2026 21:20:09 -0800
Subject: [PATCH] Fixing the missing type issue with the library

---
 package-lock.json       | 21 ++++++++++++++-------
 package.json            |  3 ++-
 src/http/HttpRequest.ts |  2 +-
 types/http.d.ts         |  1 +
 4 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index d54728d..91d488b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,16 +1,17 @@
 {
     "name": "@azure/functions",
-    "version": "4.11.1",
+    "version": "4.11.2",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@azure/functions",
-            "version": "4.11.1",
+            "version": "4.11.2",
             "license": "MIT",
             "dependencies": {
                 "@azure/functions-extensions-base": "0.2.0",
-                "cookie": "^0.7.0"
+                "cookie": "^0.7.0",
+                "undici-types": "^7.20.0"
             },
             "devDependencies": {
                 "@types/chai": "^4.2.22",
@@ -628,6 +629,13 @@
                 "undici-types": "~6.21.0"
             }
         },
+        "node_modules/@types/node/node_modules/undici-types": {
+            "version": "6.21.0",
+            "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
+            "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+            "dev": true,
+            "license": "MIT"
+        },
         "node_modules/@types/parse-json": {
             "version": "4.0.2",
             "resolved": "https://registry.npmjs.org/@types/parse-json/-/parse-json-4.0.2.tgz",
@@ -6562,10 +6570,9 @@
             }
         },
         "node_modules/undici-types": {
-            "version": "6.21.0",
-            "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
-            "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
-            "dev": true,
+            "version": "7.20.0",
+            "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.20.0.tgz",
+            "integrity": "sha512-PZDAAlMkNw5ZzN/ebfyrwzrMWfIf7Jbn9iM/I6SF456OKrb2wnfqVowaxEY/cMAM8MjFu1zhdpJyA0L+rTYwNw==",
             "license": "MIT"
         },
         "node_modules/universalify": {
diff --git a/package.json b/package.json
index d883a2b..ce1a5fe 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,8 @@
     },
     "dependencies": {
         "@azure/functions-extensions-base": "0.2.0",
-        "cookie": "^0.7.0"
+        "cookie": "^0.7.0",
+        "undici-types": "^7.20.0"
     },
     "devDependencies": {
         "@types/chai": "^4.2.22",
diff --git a/src/http/HttpRequest.ts b/src/http/HttpRequest.ts
index f0b0d40..62564cb 100644
--- a/src/http/HttpRequest.ts
+++ b/src/http/HttpRequest.ts
@@ -153,7 +153,7 @@ export function createStreamRequest(
         duplex: 'half',
         method: nonNullProp(proxyReq, 'method'),
         headers,
-    });
+    } as RequestInit);
 
     const params: Record<string, string> = {};
     for (const [key, rpcValue] of Object.entries(rpcParams)) {
diff --git a/types/http.d.ts b/types/http.d.ts
index 5373544..74cae3c 100644
--- a/types/http.d.ts
+++ b/types/http.d.ts
@@ -4,6 +4,7 @@
 import { Blob } from 'buffer';
 import { Readable } from 'stream';
 import { ReadableStream } from 'stream/web';
+import { FormData, Headers } from 'undici-types';
 import { URLSearchParams } from 'url';
 import { FunctionOptions, FunctionOutput, FunctionResult, FunctionTrigger } from './index';
 import { InvocationContext } from './InvocationContext';