From 19d811b0f4b3c98e815d6ede8f491c71509786a1 Mon Sep 17 00:00:00 2001
From: Thibaut Courouble <thibaut@me.com>
Date: Sun, 19 Jun 2016 10:46:53 -0400
Subject: [PATCH] Handle buggy keyboard events

---
 assets/javascripts/app/shortcuts.coffee | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/assets/javascripts/app/shortcuts.coffee b/assets/javascripts/app/shortcuts.coffee
index 12656620..74f7b0f5 100644
--- a/assets/javascripts/app/shortcuts.coffee
+++ b/assets/javascripts/app/shortcuts.coffee
@@ -20,6 +20,7 @@ class app.Shortcuts
     @showTip = null
 
   onKeydown: (event) =>
+    return if @buggyEvent(event)
     result = if event.ctrlKey or event.metaKey
       @handleKeydownSuperEvent event unless event.altKey or event.shiftKey
     else if event.shiftKey
@@ -33,6 +34,7 @@ class app.Shortcuts
     return
 
   onKeypress: (event) =>
+    return if @buggyEvent(event)
     unless event.ctrlKey or event.metaKey
       result = @handleKeypressEvent event
       event.preventDefault() if result is false
@@ -148,3 +150,12 @@ class app.Shortcuts
       false
     else
       @lastKeypress = Date.now()
+
+  buggyEvent: (event) ->
+    try
+      event.target
+      event.ctrlKey
+      event.which
+      return false
+    catch
+      return true