From c714e23d79bf0fa66e60aaaed60496998cac8d35 Mon Sep 17 00:00:00 2001
From: orangemug <info@orangemug.co.uk>
Date: Thu, 30 Jan 2020 08:46:26 +0000
Subject: [PATCH] 'id' is not guaranteed to be unique, see
 <https://github.com/maputnik/editor/pull/610/files#r372521304>

---
 src/components/map/FeaturePropertyPopup.jsx | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/components/map/FeaturePropertyPopup.jsx b/src/components/map/FeaturePropertyPopup.jsx
index 8b7816a..56f33ae 100644
--- a/src/components/map/FeaturePropertyPopup.jsx
+++ b/src/components/map/FeaturePropertyPopup.jsx
@@ -22,8 +22,7 @@ function renderProperties(feature) {
 }
 
 function renderFeature(feature, idx) {
-  const uniqueKey = feature.hasOwnProperty('id') ? feature.id : idx;
-  return <div key={`${feature.sourceLayer}-${uniqueKey}`}>
+  return <div key={`${feature.sourceLayer}-${idx}`}>
     <div className="maputnik-popup-layer-id">{feature.layer['source-layer']}{feature.inspectModeCounter && <span> × {feature.inspectModeCounter}</span>}</div>
     <InputBlock key={"property-type"} label={"$type"}>
       <StringInput value={feature.geometry.type} style={{backgroundColor: 'transparent'}} />