chore: bump undici

packages/next/package.json

@@ -303,7 +303,7 @@
     "timers-browserify": "2.0.12",
     "tty-browserify": "0.0.1",
     "ua-parser-js": "1.0.35",
-    "undici": "5.22.0",
+    "undici": "5.23.0",
     "unistore": "3.4.1",
     "util": "0.12.4",
     "uuid": "8.3.2",

packages/next/src/server/node-polyfill-fetch.ts

@@ -1,32 +1,31 @@
-// TODO: Remove use of `any` type.
-// Polyfill fetch() in the Node.js environment
+// TODO: Remove this file when Node.js 16 is not supported anymore
 
 if (typeof fetch === 'undefined' && typeof globalThis.fetch === 'undefined') {
   function getFetchImpl() {
     return require('next/dist/compiled/undici')
   }
 
   function getRequestImpl() {
-    const OriginRequest = getFetchImpl().Request
-    return class Request extends OriginRequest {
-      constructor(input: any, init: any) {
+    const OriginalRequest = getFetchImpl().Request
+    return class extends OriginalRequest {
+      constructor(input: RequestInfo | URL, init: RequestInit) {
         super(input, init)
         this.next = init?.next
       }
     }
   }
 
   // Due to limitation of global configuration, we have to do this resolution at runtime
-  globalThis.fetch = (...args: any[]) => {
+  globalThis.fetch = (...args: Parameters<typeof fetch>) => {
     const fetchImpl = getFetchImpl()
 
     // Undici does not support the `keepAlive` option,
     // instead we have to pass a custom dispatcher
     if (
-      !(global as any).__NEXT_HTTP_AGENT_OPTIONS?.keepAlive &&
-      !(global as any).__NEXT_UNDICI_AGENT_SET
+      !global.__NEXT_HTTP_AGENT_OPTIONS?.keepAlive &&
+      !global.__NEXT_UNDICI_AGENT_SET
     ) {
-      ;(global as any).__NEXT_UNDICI_AGENT_SET = true
+      global.__NEXT_UNDICI_AGENT_SET = true
       fetchImpl.setGlobalDispatcher(new fetchImpl.Agent({ pipelining: 0 }))
       console.warn(
         'Warning - Configuring `keepAlive: false` is deprecated. Use `{ headers: { connection: "close" } }` instead.'

packages/next/src/server/setup-http-agent-env.ts

@@ -5,7 +5,7 @@ import { NextConfig } from '../../types'
 export function setHttpClientAndAgentOptions(config: {
   httpAgentOptions?: NextConfig['httpAgentOptions']
 }) {
-  if ((globalThis as any).__NEXT_HTTP_AGENT) {
+  if (globalThis.__NEXT_HTTP_AGENT) {
     // We only need to assign once because we want
     // to reuse the same agent for all requests.
     return
@@ -15,11 +15,7 @@ export function setHttpClientAndAgentOptions(config: {
     throw new Error('Expected config.httpAgentOptions to be an object')
   }
 
-  ;(globalThis as any).__NEXT_HTTP_AGENT_OPTIONS = config.httpAgentOptions
-  ;(globalThis as any).__NEXT_HTTP_AGENT = new HttpAgent(
-    config.httpAgentOptions
-  )
-  ;(globalThis as any).__NEXT_HTTPS_AGENT = new HttpsAgent(
-    config.httpAgentOptions
-  )
+  globalThis.__NEXT_HTTP_AGENT_OPTIONS = config.httpAgentOptions
+  globalThis.__NEXT_HTTP_AGENT = new HttpAgent(config.httpAgentOptions)
+  globalThis.__NEXT_HTTPS_AGENT = new HttpsAgent(config.httpAgentOptions)
 }

packages/next/types/index.d.ts

@@ -4,6 +4,9 @@
 /// <reference types="react-dom" />
 /// <reference types="react-dom/experimental" />
 
+import type { Agent as HttpAgent } from 'http'
+import type { Agent as HttpsAgent } from 'https'
+
 import React from 'react'
 import { ParsedUrlQuery } from 'querystring'
 import { IncomingMessage, ServerResponse } from 'http'
@@ -314,6 +317,11 @@ declare global {
     ): T
     randomUUID(): string
   }
+
+  var __NEXT_HTTP_AGENT_OPTIONS: { keepAlive?: boolean } | undefined
+  var __NEXT_UNDICI_AGENT_SET: boolean
+  var __NEXT_HTTP_AGENT: HttpAgent
+  var __NEXT_HTTPS_AGENT: HttpsAgent
 }
 
 export default next