stream: add custom inspect to BufferList

Currently inspecting the BufferList can result a maximum call stack size error. Adding a individual inspect function prevents this. PR-URL: #17907 Refs: #12693 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: Michaël Zasso <[email protected]>
nodejs · Jan 16, 2018 · 9d39581 · 9d39581
1 parent 921fb84
commit 9d39581
Showing 1 changed file with 6 additions and 0 deletions.
diff --git 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}`;
+  }
 };