From a0174bf930653b9b727242ce54f8a0c80329f55a Mon Sep 17 00:00:00 2001
From: leah-1ee <selee3196@gmail.com>
Date: Wed, 12 Aug 2026 08:25:15 +0900
Subject: [PATCH] typings: add diagnostics_channel typings

Add a DiagnosticsChannelBinding declaration for
internalBinding('diagnostics_channel') and wire it into
InternalBindingMap.

Signed-off-by: leah-1ee <selee3196@gmail.com>
---
 typings/globals.d.ts                             | 2 ++
 typings/internalBinding/diagnostics_channel.d.ts | 6 ++++++
 2 files changed, 8 insertions(+)
 create mode 100644 typings/internalBinding/diagnostics_channel.d.ts

diff --git a/typings/globals.d.ts b/typings/globals.d.ts
index 83fcec8e19a5..3c5707e5ff88 100644
--- a/typings/globals.d.ts
+++ b/typings/globals.d.ts
@@ -7,6 +7,7 @@ import { ConfigBinding } from './internalBinding/config';
 import { ConstantsBinding } from './internalBinding/constants';
 import { CryptoBinding } from './internalBinding/crypto';
 import { DebugBinding } from './internalBinding/debug';
+import { DiagnosticsChannelBinding } from './internalBinding/diagnostics_channel';
 import { EncodingBinding } from './internalBinding/encoding_binding';
 import { FsBinding } from './internalBinding/fs';
 import { FsDirBinding } from './internalBinding/fs_dir';
@@ -46,6 +47,7 @@ interface InternalBindingMap {
   constants: ConstantsBinding;
   crypto: CryptoBinding;
   debug: DebugBinding;
+  diagnostics_channel: DiagnosticsChannelBinding;
   encoding_binding: EncodingBinding;
   fs: FsBinding;
   fs_dir: FsDirBinding;
diff --git a/typings/internalBinding/diagnostics_channel.d.ts b/typings/internalBinding/diagnostics_channel.d.ts
new file mode 100644
index 000000000000..e6297d45ace0
--- /dev/null
+++ b/typings/internalBinding/diagnostics_channel.d.ts
@@ -0,0 +1,6 @@
+export interface DiagnosticsChannelBinding {
+  subscribers: Uint32Array;
+  linkNativeChannel(
+    callback: (name: string, index: number) => object | undefined,
+  ): void;
+}