From 0209f7b46954d1b7bf923b4191e5a356ec09622c Mon Sep 17 00:00:00 2001
From: Chen Su <ghosind@gmail.com>
Date: Tue, 14 Nov 2023 03:13:20 +0800
Subject: fix(ext/console): fix inspecting iterators error. (#20720)

Fixes #19776 and #20676.
---
 ext/node/polyfills/internal_binding/util.ts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'ext/node/polyfills/internal_binding')

diff --git a/ext/node/polyfills/internal_binding/util.ts b/ext/node/polyfills/internal_binding/util.ts
index 38eeebee0..651fe9a4b 100644
--- a/ext/node/polyfills/internal_binding/util.ts
+++ b/ext/node/polyfills/internal_binding/util.ts
@@ -129,3 +129,18 @@ export function getOwnNonIndexProperties(
   }
   return result;
 }
+
+export function previewEntries(
+  iter: Iterable<unknown>,
+  isKeyValue?: boolean,
+): Array<unknown | boolean> {
+  if (isKeyValue) {
+    const arr = [...iter];
+    if (Array.isArray(arr[0]) && arr[0].length === 2) {
+      return [([] as unknown[]).concat(...arr), true];
+    }
+    return [arr, false];
+  } else {
+    return [...iter];
+  }
+}
-- 
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