From 4f1d9492c539591bad36573870ff83faea3a6f56 Mon Sep 17 00:00:00 2001
From: Ilya Borodin <ilya.borodin@botconversa.com.br>
Date: Sat, 20 Aug 2022 13:36:54 +0300
Subject: [PATCH] Changed concat to push

---
 src/Utils/chat-utils.ts | 6 +++---
 src/Utils/history.ts    | 6 ++++--
 src/Utils/messages.ts   | 6 +++---
 3 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/src/Utils/chat-utils.ts b/src/Utils/chat-utils.ts
index 48076ac..782fa94 100644
--- a/src/Utils/chat-utils.ts
+++ b/src/Utils/chat-utils.ts
@@ -330,12 +330,12 @@ export const extractSyncdPatches = async(result: BinaryNode) => {
 
 export const downloadExternalBlob = async(blob: proto.IExternalBlobReference) => {
 	const stream = await downloadContentFromMessage(blob, 'md-app-state')
-	let buffer = Buffer.from([])
+	const bufferArray: Buffer[] = []
 	for await (const chunk of stream) {
-		buffer = Buffer.concat([buffer, chunk])
+		bufferArray.push(chunk)
 	}
 
-	return buffer
+	return Buffer.concat(bufferArray)
 }
 
 export const downloadExternalPatch = async(blob: proto.IExternalBlobReference) => {
diff --git a/src/Utils/history.ts b/src/Utils/history.ts
index 32ddf5e..790bd87 100644
--- a/src/Utils/history.ts
+++ b/src/Utils/history.ts
@@ -11,11 +11,13 @@ const inflatePromise = promisify(inflate)
 
 export const downloadHistory = async(msg: proto.Message.IHistorySyncNotification) => {
 	const stream = await downloadContentFromMessage(msg, 'history')
-	let buffer = Buffer.from([])
+	const bufferArray: Buffer[] = []
 	for await (const chunk of stream) {
-		buffer = Buffer.concat([buffer, chunk])
+		bufferArray.push(chunk)
 	}
 
+	let buffer = Buffer.concat(bufferArray)
+
 	// decompress buffer
 	buffer = await inflatePromise(buffer)
 
diff --git a/src/Utils/messages.ts b/src/Utils/messages.ts
index cb9e4fc..ce6e533 100644
--- a/src/Utils/messages.ts
+++ b/src/Utils/messages.ts
@@ -702,12 +702,12 @@ export const downloadMediaMessage = async(
 
 		const stream = await downloadContentFromMessage(media, mediaType, options)
 		if(type === 'buffer') {
-			let buffer = Buffer.from([])
+			const bufferArray: Buffer[] = []
 			for await (const chunk of stream) {
-				buffer = Buffer.concat([buffer, chunk])
+				bufferArray.push(chunk)
 			}
 
-			return buffer
+			return Buffer.concat(bufferArray)
 		}
 
 		return stream