From 9d3958102ec28f2bb468b2c532b7b34cabd61f1b Mon Sep 17 00:00:00 2001
From: Ruben Bridgewater <ruben@bridgewater.de>
Date: Tue, 16 Jan 2018 15:33:23 +0100
Subject: [PATCH] stream: add custom inspect to BufferList
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Currently inspecting the BufferList can result a maximum call stack
size error. Adding a individual inspect function prevents this.

PR-URL: https://github.com/nodejs/node/pull/17907
Refs: https://github.com/nodejs/node/issues/12693
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
---
 lib/internal/streams/BufferList.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/internal/streams/BufferList.js b/lib/internal/streams/BufferList.js
index 23d5a8a2db0eb7..c5a293b9ca0c16 100644
--- a/lib/internal/streams/BufferList.js
+++ b/lib/internal/streams/BufferList.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const { Buffer } = require('buffer');
+const { inspect } = require('util');
 
 function copyBuffer(src, target, offset) {
   Buffer.prototype.copy.call(src, target, offset);
@@ -73,4 +74,9 @@ module.exports = class BufferList {
     }
     return ret;
   }
+
+  [inspect.custom]() {
+    const obj = inspect({ length: this.length });
+    return `${this.constructor.name} ${obj}`;
+  }
 };