From f2d65ba0abda1a8c23bfbe5f8eb37171c2dd5831 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maximilian=20Kr=C3=B6g?= <maxi_kroeg@web.de>
Date: Sat, 29 Jan 2022 16:03:47 +0100
Subject: [PATCH] Only set id if it is defined when creating feature

---
 src/ol/format/MVT.js    | 4 +++-
 src/ol/format/OSMXML.js | 8 ++++++--
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/ol/format/MVT.js b/src/ol/format/MVT.js
index dd64218eff..4916a47657 100644
--- a/src/ol/format/MVT.js
+++ b/src/ol/format/MVT.js
@@ -248,7 +248,9 @@ class MVT extends FeatureFormat {
       }
       const geometry = transformGeometryWithOptions(geom, false, options);
       feature.setGeometry(geometry);
-      feature.setId(id);
+      if (id !== undefined) {
+        feature.setId(id);
+      }
       feature.setProperties(values, true);
     }
 
diff --git a/src/ol/format/OSMXML.js b/src/ol/format/OSMXML.js
index 50bba52f56..c75a217426 100644
--- a/src/ol/format/OSMXML.js
+++ b/src/ol/format/OSMXML.js
@@ -96,7 +96,9 @@ class OSMXML extends XMLFeature {
         }
         transformGeometryWithOptions(geometry, false, options);
         const feature = new Feature(geometry);
-        feature.setId(values.id);
+        if (values.id !== undefined) {
+          feature.setId(values.id);
+        }
         feature.setProperties(values.tags, true);
         state.features.push(feature);
       }
@@ -146,7 +148,9 @@ function readNode(node, objectStack) {
     const geometry = new Point(coordinates);
     transformGeometryWithOptions(geometry, false, options);
     const feature = new Feature(geometry);
-    feature.setId(id);
+    if (id !== undefined) {
+      feature.setId(id);
+    }
     feature.setProperties(values.tags, true);
     state.features.push(feature);
   }