util: inspect constructor closer

This adds an extra check to `util.inspect` to closer inspect object
constructors in case there's not much other information about the
constructor.

PR-URL: https://github.com/nodejs/node/pull/27522
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/internal/util/inspect.js b/lib/internal/util/inspect.js
index 22dec67330..21b9921dbe 100644
--- a/lib/internal/util/inspect.js
+++ b/lib/internal/util/inspect.js
@@ -28,6 +28,7 @@ const {
   kPending,
   kRejected,
   previewEntries,
+  getConstructorName: internalGetConstructorName,
   propertyFilter: {
     ALL_PROPERTIES,
     ONLY_ENUMERABLE
@@ -349,6 +350,7 @@ function getEmptyFormatArray() {
 
 function getConstructorName(obj, ctx) {
   let firstProto;
+  const tmp = obj;
   while (obj) {
     const descriptor = Object.getOwnPropertyDescriptor(obj, 'constructor');
     if (descriptor !== undefined &&
@@ -367,7 +369,7 @@ function getConstructorName(obj, ctx) {
     return null;
   }
 
-  return `<${inspect(firstProto, {
+  return `${internalGetConstructorName(tmp)} <${inspect(firstProto, {
     ...ctx,
     customInspect: false
   })}>`;