From 468fd515e60bca77abaaf86b971214c5e340c796 Mon Sep 17 00:00:00 2001
From: keef3ar <35760257+keef3ar@users.noreply.github.com>
Date: Tue, 3 Oct 2023 16:21:30 +0400
Subject: [PATCH] Optimize BinaryWriter memory usage (#591)

- Replace continuous buffer concatenation with a buffer array to reduce intermediate buffer creations.
- This approach mitigates potential memory leaks and improves performance, especially for large files.
---
 gramjs/extensions/BinaryWriter.ts | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/gramjs/extensions/BinaryWriter.ts b/gramjs/extensions/BinaryWriter.ts
index a19a1520..2d8df7b6 100644
--- a/gramjs/extensions/BinaryWriter.ts
+++ b/gramjs/extensions/BinaryWriter.ts
@@ -1,15 +1,15 @@
 export class BinaryWriter {
-    private _stream: Buffer;
+    private readonly _buffers: Buffer[];
 
     constructor(stream: Buffer) {
-        this._stream = stream;
+        this._buffers = [stream];
     }
 
     write(buffer: Buffer) {
-        this._stream = Buffer.concat([this._stream, buffer]);
+        this._buffers.push(buffer);
     }
 
-    getValue() {
-        return this._stream;
+    getValue(): Buffer {
+        return Buffer.concat(this._buffers);
     }
 }