From b347d554326c810b82f4a9d9a7042e41b771967f Mon Sep 17 00:00:00 2001
From: Hinaloe <hina@hinaloe.net>
Date: Mon, 18 Jun 2018 01:10:58 +0900
Subject: [PATCH] DataTransfer.types may Array-like object (#7827)

---
 app/javascript/mastodon/features/ui/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/javascript/mastodon/features/ui/index.js b/app/javascript/mastodon/features/ui/index.js
index f1409b9467..3c1a266e30 100644
--- a/app/javascript/mastodon/features/ui/index.js
+++ b/app/javascript/mastodon/features/ui/index.js
@@ -230,7 +230,7 @@ export default class UI extends React.PureComponent {
       this.dragTargets.push(e.target);
     }
 
-    if (e.dataTransfer && e.dataTransfer.types.includes('Files')) {
+    if (e.dataTransfer && Array.from(e.dataTransfer.types).includes('Files')) {
       this.setState({ draggingOver: true });
     }
   }