deps: update undici to 6.6.2

Author: nodejs-github-bot

deps/undici/src/index-fetch.js

@@ -14,4 +14,7 @@ module.exports.FormData = require('./lib/fetch/formdata').FormData
 module.exports.Headers = require('./lib/fetch/headers').Headers
 module.exports.Response = require('./lib/fetch/response').Response
 module.exports.Request = require('./lib/fetch/request').Request
+
 module.exports.WebSocket = require('./lib/websocket/websocket').WebSocket
+
+module.exports.EventSource = require('./lib/eventsource/eventsource').EventSource

deps/undici/src/lib/fetch/index.js

@@ -1099,11 +1099,12 @@ function fetchFinale (fetchParams, response) {
 
     const byteStream = new ReadableStream({
       readableStream: transformStream.readable,
+      async start () {
+        this._bodyReader = this.readableStream.getReader()
+      },
       async pull (controller) {
-        const reader = this.readableStream.getReader()
-
         while (controller.desiredSize >= 0) {
-          const { done, value } = await reader.read()
+          const { done, value } = await this._bodyReader.read()
 
           if (done) {
             queueMicrotask(() => readableStreamClose(controller))
@@ -1905,8 +1906,8 @@ async function httpNetworkFetch (
 
   // 11. Let pullAlgorithm be an action that resumes the ongoing fetch
   // if it is suspended.
-  const pullAlgorithm = () => {
-    fetchParams.controller.resume()
+  const pullAlgorithm = async () => {
+    await fetchParams.controller.resume()
   }
 
   // 12. Let cancelAlgorithm be an algorithm that aborts fetchParams’s
@@ -2032,7 +2033,7 @@ async function httpNetworkFetch (
 
       // 9. If stream doesn’t need more data ask the user agent to suspend
       // the ongoing fetch.
-      if (!fetchParams.controller.controller.desiredSize) {
+      if (fetchParams.controller.controller.desiredSize <= 0) {
         return
       }
     }

deps/undici/src/lib/fetch/webidl.js

@@ -34,10 +34,14 @@ webidl.errors.invalidArgument = function (context) {
 
 // https://webidl.spec.whatwg.org/#implements
 webidl.brandCheck = function (V, I, opts = undefined) {
-  if (opts?.strict !== false && !(V instanceof I)) {
-    throw new TypeError('Illegal invocation')
+  if (opts?.strict !== false) {
+    if (!(V instanceof I)) {
+      throw new TypeError('Illegal invocation')
+    }
   } else {
-    return V?.[Symbol.toStringTag] === I.prototype[Symbol.toStringTag]
+    if (V?.[Symbol.toStringTag] !== I.prototype[Symbol.toStringTag]) {
+      throw new TypeError('Illegal invocation')
+    }
   }
 }