From 274d9df95da4b1af7f4d9f446a4c7707086dfd43 Mon Sep 17 00:00:00 2001
From: Bryan Housel <bryan@mapbox.com>
Date: Mon, 28 Sep 2015 17:02:54 -0400
Subject: [PATCH] Fix crash when selecting a category preset with enter button

(this happens because the datum() is a constructor not a constructed object, and
category presets have state, so calling datum().choose from keypress doesn't work)
---
 js/id/ui/preset_list.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/js/id/ui/preset_list.js b/js/id/ui/preset_list.js
index 150248211..d244a0530 100644
--- a/js/id/ui/preset_list.js
+++ b/js/id/ui/preset_list.js
@@ -154,6 +154,8 @@ iD.ui.PresetList = function(context) {
         }
 
         item.choose = function() {
+            if (!box || !sublist) return;
+
             if (shown) {
                 shown = false;
                 box.transition()