From bf2574f4e379388bee3a97eab928ec88269968b7 Mon Sep 17 00:00:00 2001
From: Quincy Morgan <quincy.morgan@icloud.com>
Date: Fri, 18 Jan 2019 11:21:31 -0500
Subject: [PATCH] Hide the dropdown arrow in combo fields if there are no
 suggestions from tagInfo (closes #5730)

---
 modules/ui/fields/combo.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/modules/ui/fields/combo.js b/modules/ui/fields/combo.js
index aaf7d4438..5b7956d29 100644
--- a/modules/ui/fields/combo.js
+++ b/modules/ui/fields/combo.js
@@ -191,6 +191,15 @@ export function uiFieldCombo(field, context) {
                 });
             }
 
+            if (data.length === 0) {
+                // hide the caret if there are no suggestions
+                container.select('.combobox-caret')
+                    .style('display', 'none');
+            } else {
+                container.select('.combobox-caret')
+                    .style('display', null);
+            }
+
             _comboData = _map(data, function(d) {
                 var k = d.value;
                 if (isMulti) k = k.replace(field.key, '');