From 5299d958f29f3386090936625b1a33b568c13e47 Mon Sep 17 00:00:00 2001
From: Alexis Svinartchouk <alexis@resin.io>
Date: Wed, 27 Feb 2019 18:30:45 +0100
Subject: [PATCH] Fix error when event.dataTransfer.files is empty

Changelog-entry: Fix error when event.dataTransfer.files is empty
Change-type: patch
---
 .../app/os/dropzone/directives/dropzone.js    | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/lib/gui/app/os/dropzone/directives/dropzone.js b/lib/gui/app/os/dropzone/directives/dropzone.js
index 46669862..4799089b 100644
--- a/lib/gui/app/os/dropzone/directives/dropzone.js
+++ b/lib/gui/app/os/dropzone/directives/dropzone.js
@@ -51,18 +51,21 @@ module.exports = ($timeout) => {
 
       domElement.ondrop = (event) => {
         event.preventDefault()
-        const filename = _.first(event.dataTransfer.files).path
 
-        // Safely bring this to the word of Angular
-        $timeout(() => {
-          scope.osDropzone({
+        if (event.dataTransfer.files.length) {
+          const filename = _.first(event.dataTransfer.files).path
 
-            // Pass the filename as a named
-            // parameter called `$file`
-            $file: filename
+          // Safely bring this to the world of Angular
+          $timeout(() => {
+            scope.osDropzone({
 
+              // Pass the filename as a named
+              // parameter called `$file`
+              $file: filename
+
+            })
           })
-        })
+        }
 
         return false
       }