deps: update undici to 5.2.0

deps/undici/src/README.md

@@ -194,6 +194,21 @@ Basic usage example:
     }
 ```
 
+You can pass an optional dispatcher to `fetch` as:
+
+```js
+import { fetch, Agent } from 'undici'
+
+const res = await fetch('https://example.com', {
+  // Mocks are also supported
+  dispatcher: new Agent({
+    keepAliveTimeout: 10,
+    keepAliveMaxTimeout: 10
+  })
+})
+const json = await res.json()
+console.log(json)
+```
 
 #### `request.body`
 

deps/undici/src/docs/api/Errors.md

@@ -19,7 +19,6 @@ import { errors } from 'undici'
 | `RequestContentLengthMismatchError`  | `UND_ERR_REQ_CONTENT_LENGTH_MISMATCH` | request body does not match content-length header  |
 | `ResponseContentLengthMismatchError` | `UND_ERR_RES_CONTENT_LENGTH_MISMATCH` | response body does not match content-length header |
 | `InformationalError`                 | `UND_ERR_INFO`                        | expected error with reason                         |
-| `TrailerMismatchError`               | `UND_ERR_TRAILER_MISMATCH`            | trailers did not match specification               |
 
 ### `SocketError`
 

deps/undici/src/index-fetch.js

@@ -1,12 +1,11 @@
 'use strict'
 
-const Agent = require('./lib/agent')
-
-const globalDispatcher = new Agent()
-
+const { getGlobalDispatcher } = require('./lib/global')
 const fetchImpl = require('./lib/fetch')
+
 module.exports.fetch = async function fetch (resource) {
-  return fetchImpl.apply(globalDispatcher, arguments)
+  const dispatcher = (arguments[1] && arguments[1].dispatcher) || getGlobalDispatcher()
+  return fetchImpl.apply(dispatcher, arguments)
 }
 module.exports.FormData = require('./lib/fetch/formdata').FormData
 module.exports.Headers = require('./lib/fetch/headers').Headers

deps/undici/src/index.js

@@ -15,6 +15,7 @@ const MockAgent = require('./lib/mock/mock-agent')
 const MockPool = require('./lib/mock/mock-pool')
 const mockErrors = require('./lib/mock/mock-errors')
 const ProxyAgent = require('./lib/proxy-agent')
+const { getGlobalDispatcher, setGlobalDispatcher } = require('./lib/global')
 
 const nodeVersion = process.versions.node.split('.')
 const nodeMajor = Number(nodeVersion[0])
@@ -32,19 +33,6 @@ module.exports.ProxyAgent = ProxyAgent
 module.exports.buildConnector = buildConnector
 module.exports.errors = errors
 
-let globalDispatcher = new Agent()
-
-function setGlobalDispatcher (agent) {
-  if (!agent || typeof agent.dispatch !== 'function') {
-    throw new InvalidArgumentError('Argument agent must implement Agent')
-  }
-  globalDispatcher = agent
-}
-
-function getGlobalDispatcher () {
-  return globalDispatcher
-}
-
 function makeDispatcher (fn) {
   return (url, opts, handler) => {
     if (typeof opts === 'function') {
@@ -98,7 +86,7 @@ if (nodeMajor > 16 || (nodeMajor === 16 && nodeMinor >= 5)) {
     if (!fetchImpl) {
       fetchImpl = require('./lib/fetch')
     }
-    const dispatcher = getGlobalDispatcher()
+    const dispatcher = (arguments[1] && arguments[1].dispatcher) || getGlobalDispatcher()
     return fetchImpl.apply(dispatcher, arguments)
   }
   module.exports.Headers = require('./lib/fetch/headers').Headers

deps/undici/src/lib/client.js

@@ -11,7 +11,6 @@ const RedirectHandler = require('./handler/redirect')
 const {
   RequestContentLengthMismatchError,
   ResponseContentLengthMismatchError,
-  TrailerMismatchError,
   InvalidArgumentError,
   RequestAbortedError,
   HeadersTimeoutError,
@@ -425,7 +424,6 @@ class Parser {
 
     this.bytesRead = 0
 
-    this.trailer = ''
     this.keepAlive = ''
     this.contentLength = ''
   }
@@ -615,8 +613,6 @@ class Parser {
     const key = this.headers[len - 2]
     if (key.length === 10 && key.toString().toLowerCase() === 'keep-alive') {
       this.keepAlive += buf.toString()
-    } else if (key.length === 7 && key.toString().toLowerCase() === 'trailer') {
-      this.trailer += buf.toString()
     } else if (key.length === 14 && key.toString().toLowerCase() === 'content-length') {
       this.contentLength += buf.toString()
     }
@@ -819,7 +815,7 @@ class Parser {
   }
 
   onMessageComplete () {
-    const { client, socket, statusCode, upgrade, trailer, headers, contentLength, bytesRead, shouldKeepAlive } = this
+    const { client, socket, statusCode, upgrade, headers, contentLength, bytesRead, shouldKeepAlive } = this
 
     if (socket.destroyed && (!statusCode || shouldKeepAlive)) {
       return -1
@@ -838,7 +834,6 @@ class Parser {
     this.statusText = ''
     this.bytesRead = 0
     this.contentLength = ''
-    this.trailer = ''
     this.keepAlive = ''
 
     assert(this.headers.length % 2 === 0)
@@ -849,23 +844,6 @@ class Parser {
       return
     }
 
-    const trailers = trailer ? trailer.split(/,\s*/) : []
-    for (let i = 0; i < trailers.length; i++) {
-      const trailer = trailers[i]
-      let found = false
-      for (let n = 0; n < headers.length; n += 2) {
-        const key = headers[n]
-        if (key.length === trailer.length && key.toString().toLowerCase() === trailer.toLowerCase()) {
-          found = true
-          break
-        }
-      }
-      if (!found) {
-        util.destroy(socket, new TrailerMismatchError())
-        return -1
-      }
-    }
-
     /* istanbul ignore next: should be handled by llhttp? */
     if (request.method !== 'HEAD' && contentLength && bytesRead !== parseInt(contentLength, 10)) {
       util.destroy(socket, new ResponseContentLengthMismatchError())

deps/undici/src/lib/core/errors.js

@@ -116,16 +116,6 @@ class ResponseContentLengthMismatchError extends UndiciError {
   }
 }
 
-class TrailerMismatchError extends UndiciError {
-  constructor (message) {
-    super(message)
-    Error.captureStackTrace(this, TrailerMismatchError)
-    this.name = 'TrailerMismatchError'
-    this.message = message || 'Trailers does not match trailer header'
-    this.code = 'UND_ERR_TRAILER_MISMATCH'
-  }
-}
-
 class ClientDestroyedError extends UndiciError {
   constructor (message) {
     super(message)
@@ -196,7 +186,6 @@ module.exports = {
   BodyTimeoutError,
   RequestContentLengthMismatchError,
   ConnectTimeoutError,
-  TrailerMismatchError,
   InvalidArgumentError,
   InvalidReturnValueError,
   RequestAbortedError,