From 23eba33613cb1ecfd5e3e828662d03fdac4d2ed9 Mon Sep 17 00:00:00 2001
From: brianinoa <54530642+brianinoa@users.noreply.github.com>
Date: Mon, 27 Jun 2022 00:33:17 +0200
Subject: [PATCH] refactor: Automatically add fileExtension from FileTypeResult
 to binary data (#3591)

* :recycle: Add fileExtension from FileTypeResult to buffer data

* :zap: Minor improvement

Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>
---
 packages/core/src/NodeExecuteFunctions.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/core/src/NodeExecuteFunctions.ts b/packages/core/src/NodeExecuteFunctions.ts
index 1d93eb615b..5505548807 100644
--- a/packages/core/src/NodeExecuteFunctions.ts
+++ b/packages/core/src/NodeExecuteFunctions.ts
@@ -809,6 +809,7 @@ export async function prepareBinaryData(
 	filePath?: string,
 	mimeType?: string,
 ): Promise<IBinaryData> {
+	let fileExtension: string | undefined;
 	if (!mimeType) {
 		// If no mime type is given figure it out
 
@@ -825,6 +826,7 @@ export async function prepareBinaryData(
 			const fileTypeData = await fromBuffer(binaryData);
 			if (fileTypeData) {
 				mimeType = fileTypeData.mime;
+				fileExtension = fileTypeData.ext;
 			}
 		}
 
@@ -836,6 +838,7 @@ export async function prepareBinaryData(
 
 	const returnData: IBinaryData = {
 		mimeType,
+		fileExtension,
 		data: '',
 	};