From b87ae4e98bf6bbd6988e2c7326a947db4de7981f Mon Sep 17 00:00:00 2001
From: Bryan Housel <bryan@mapbox.com>
Date: Tue, 5 Feb 2019 16:14:18 -0500
Subject: [PATCH] Exclude existing keys from auto-completion in raw tag editor
 (closes #3625)

---
 modules/ui/raw_tag_editor.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/modules/ui/raw_tag_editor.js b/modules/ui/raw_tag_editor.js
index 2b6dcaf66..3f2adedcf 100644
--- a/modules/ui/raw_tag_editor.js
+++ b/modules/ui/raw_tag_editor.js
@@ -227,7 +227,12 @@ export function uiRawTagEditor(context) {
                         geometry: geometry,
                         query: value
                     }, function(err, data) {
-                        if (!err) callback(sort(value, data));
+                        if (!err) {
+                            var filtered = data.filter(function(d) {
+                                return _tags[d.value] === undefined;
+                            });
+                            callback(sort(value, filtered));
+                        }
                     });
                 }));