feat: add missing error type (nodejs#3964)

Author: Gigioliva

test/types/errors.test-d.ts

@@ -27,6 +27,14 @@ expectAssignable<errors.BodyTimeoutError>(new errors.BodyTimeoutError())
 expectAssignable<'BodyTimeoutError'>(new errors.BodyTimeoutError().name)
 expectAssignable<'UND_ERR_BODY_TIMEOUT'>(new errors.BodyTimeoutError().code)
 
+expectAssignable<errors.UndiciError>(new errors.ResponseError('', 0, {}))
+expectAssignable<errors.ResponseError>(new errors.ResponseError('', 0, {}))
+expectAssignable<'ResponseError'>(new errors.ResponseError('', 0, {}).name)
+expectAssignable<'UND_ERR_RESPONSE'>(new errors.ResponseError('', 0, {}).code)
+expectAssignable<number>(new errors.ResponseError('', 0, {}).statusCode)
+expectAssignable<IncomingHttpHeaders | string[] | null>(new errors.ResponseError('', 0, {}).headers)
+expectAssignable<null | Record<string, any> | string>(new errors.ResponseError('', 0, {}).body)
+
 expectAssignable<errors.UndiciError>(new errors.ResponseStatusCodeError())
 expectAssignable<errors.ResponseStatusCodeError>(new errors.ResponseStatusCodeError())
 expectAssignable<'ResponseStatusCodeError'>(new errors.ResponseStatusCodeError().name)

types/errors.d.ts

@@ -33,6 +33,22 @@ declare namespace Errors {
     code: 'UND_ERR_BODY_TIMEOUT'
   }
 
+  export class ResponseError extends UndiciError {
+    constructor (
+      message: string,
+      code: number,
+      options: {
+        headers?: IncomingHttpHeaders | string[] | null,
+        body?: null | Record<string, any> | string
+      }
+    )
+    name: 'ResponseError'
+    code: 'UND_ERR_RESPONSE'
+    statusCode: number
+    body: null | Record<string, any> | string
+    headers: IncomingHttpHeaders | string[] | null
+  }
+
   export class ResponseStatusCodeError extends UndiciError {
     constructor (
       message?: string,