fix: more sensible stack trace from dump error

lib/api/readable.js

@@ -4,7 +4,7 @@
 
 const assert = require('assert')
 const { Readable } = require('stream')
-const { RequestAbortedError, NotSupportedError, InvalidArgumentError } = require('../core/errors')
+const { RequestAbortedError, NotSupportedError, InvalidArgumentError, AbortError } = require('../core/errors')
 const util = require('../core/util')
 const { ReadableStreamFrom, toUSVString } = require('../core/util')
 
@@ -163,37 +163,31 @@ module.exports = class BodyReadable extends Readable {
     return this[kBody]
   }
 
-  dump (opts) {
-    let limit = opts && Number.isFinite(opts.limit) ? opts.limit : 262144
-    const signal = opts && opts.signal
-
-    if (signal) {
-      try {
-        if (typeof signal !== 'object' || !('aborted' in signal)) {
-          throw new InvalidArgumentError('signal must be an AbortSignal')
-        }
-        util.throwIfAborted(signal)
-      } catch (err) {
-        return Promise.reject(err)
-      }
+  async dump (opts) {
+    let limit = Number.isFinite(opts?.limit) ? opts.limit : 262144
+    const signal = opts?.signal
+
+    if (signal != null && (typeof signal !== 'object' || !('aborted' in signal))) {
+      throw new InvalidArgumentError('signal must be an AbortSignal')
     }
 
+    signal?.throwIfAborted()
+
     if (this._readableState.closeEmitted) {
-      return Promise.resolve(null)
+      return null
     }
 
-    return new Promise((resolve, reject) => {
-      const signalListenerCleanup = signal
-        ? util.addAbortListener(signal, () => {
-          this.destroy()
-        })
-        : noop
+    return await new Promise((resolve, reject) => {
+      const onAbort = () => {
+        this.destroy(signal.reason ?? new AbortError())
+      }
+      signal?.addEventListener('abort', onAbort)
 
       this
         .on('close', function () {
-          signalListenerCleanup()
-          if (signal && signal.aborted) {
-            reject(signal.reason || Object.assign(new Error('The operation was aborted'), { name: 'AbortError' }))
+          signal?.removeEventListener('abort', onAbort)
+          if (signal?.aborted) {
+            reject(signal.reason ?? new AbortError())
           } else {
             resolve(null)
           }

lib/core/errors.js

@@ -82,7 +82,16 @@ class InvalidReturnValueError extends UndiciError {
   }
 }
 
-class RequestAbortedError extends UndiciError {
+class AbortError extends UndiciError {
+  constructor (message) {
+    super(message)
+    Error.captureStackTrace(this, RequestAbortedError)
+    this.name = 'AbortError'
+    this.message = message || 'The operation was aborted'
+  }
+}
+
+class RequestAbortedError extends AbortError {
   constructor (message) {
     super(message)
     Error.captureStackTrace(this, RequestAbortedError)
@@ -207,6 +216,7 @@ class RequestRetryError extends UndiciError {
 }
 
 module.exports = {
+  AbortError,
   HTTPParserError,
   UndiciError,
   HeadersTimeoutError,