From b1d98876c6ffc293da8eb9ace3c22cdfe2831f7e Mon Sep 17 00:00:00 2001
From: leah-1ee <selee3196@gmail.com>
Date: Sun, 30 Aug 2026 17:27:01 +0900
Subject: [PATCH] typings: add stream_pipe internal binding types

Add a StreamPipeBinding declaration for internalBinding('stream_pipe')
and wire it into InternalBindingMap.

Signed-off-by: leah-1ee <selee3196@gmail.com>
---
 typings/globals.d.ts                     |  2 ++
 typings/internalBinding/stream_pipe.d.ts | 17 +++++++++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 typings/internalBinding/stream_pipe.d.ts

diff --git a/typings/globals.d.ts b/typings/globals.d.ts
index 66e27bfe9ab2..dcebd0495edb 100644
--- a/typings/globals.d.ts
+++ b/typings/globals.d.ts
@@ -29,6 +29,7 @@ import { ProcessWrapBinding } from './internalBinding/process_wrap';
 import { SeaBinding } from './internalBinding/sea';
 import { SerdesBinding } from './internalBinding/serdes';
 import { SignalWrapBinding } from './internalBinding/signal_wrap';
+import { StreamPipeBinding } from './internalBinding/stream_pipe';
 import { StringDecoderBinding } from './internalBinding/string_decoder';
 import { SymbolsBinding } from './internalBinding/symbols';
 import { TimersBinding } from './internalBinding/timers';
@@ -74,6 +75,7 @@ interface InternalBindingMap {
   sea: SeaBinding;
   serdes: SerdesBinding;
   signal_wrap: SignalWrapBinding;
+  stream_pipe: StreamPipeBinding;
   string_decoder: StringDecoderBinding;
   symbols: SymbolsBinding;
   timers: TimersBinding;
diff --git a/typings/internalBinding/stream_pipe.d.ts b/typings/internalBinding/stream_pipe.d.ts
new file mode 100644
index 000000000000..17568409af54
--- /dev/null
+++ b/typings/internalBinding/stream_pipe.d.ts
@@ -0,0 +1,17 @@
+declare namespace InternalStreamPipeBinding {
+  class StreamPipe {
+    constructor(source: object, sink: object);
+    readonly source: object | null;
+    readonly sink: object | null;
+    onunpipe?: () => void;
+    oncomplete?: () => void;
+    unpipe(): void;
+    start(): void;
+    isClosed(): boolean;
+    pendingWrites(): number;
+  }
+}
+
+export interface StreamPipeBinding {
+  StreamPipe: typeof InternalStreamPipeBinding.StreamPipe;
+}