stream: improve buffer list inspection

This makes sure the indentation level is correct, no matter if the
inspected buffer list is inspected on a deeper level and custom
inspect options are now passed through to the actual inspection.

PR-URL: https://github.com/nodejs/node/pull/23109
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 9 insertions, 3 deletions

diff --git a/lib/internal/streams/buffer_list.js b/lib/internal/streams/buffer_list.js
index a72bf37a31..aa254309a0 100644
--- a/lib/internal/streams/buffer_list.js
+++ b/lib/internal/streams/buffer_list.js
@@ -158,8 +158,14 @@ module.exports = class BufferList {
     return ret;
   }
 
-  [inspect.custom]() {
-    const obj = inspect({ length: this.length });
-    return `${this.constructor.name} ${obj}`;
+  // Make sure the linked list only shows the minimal necessary information.
+  [inspect.custom](_, options) {
+    return inspect(this, {
+      ...options,
+      // Only inspect one level.
+      depth: 0,
+      // It should not recurse.
+      customInspect: false
+    });
   }
 };