From e2fada209c193d478ff81e94ca47dca4be140456 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kristj=C3=A1n=20Oddsson?= <koddsson@gmail.com>
Date: Tue, 5 May 2020 09:57:46 +0100
Subject: [PATCH] default `transfer.files` to an empty array

---
 src/attachment.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/attachment.ts b/src/attachment.ts
index d1aa159..19a466b 100644
--- a/src/attachment.ts
+++ b/src/attachment.ts
@@ -97,7 +97,7 @@ function transferredFiles(transfer: DataTransfer, directory: boolean): Promise<A
   if (directory && isDirectory(transfer)) {
     return traverse('', roots(transfer))
   }
-  return Promise.resolve(visible(Array.from(transfer.files)).map(f => new Attachment(f)))
+  return Promise.resolve(visible(Array.from(transfer.files || [])).map(f => new Attachment(f)))
 }
 
 function hidden(file: File | FileSystemEntry): boolean {