[openstreetmap/openstreetmap-website] Enable exporting direction paths (PR #5694)

[Holger Jeromin]

@HolgerJeromin commented on this pull request.



> @@ -189,6 +192,20 @@ OSM.Directions = function (map) {
         turnByTurnTable.append(row);
       });
 
+      const download = exportGroup.toGeoJSON();
+      for (const i in endpoints) {
+        download.features[i].properties["marker-color"] = endpoints[i].marker.getElement().src.match(/marker-(\w+)/)[1];
+      }
+      const blob = new Blob([JSON.stringify(download)], { type: "application/json" });
+      URL.revokeObjectURL(downloadURL);
+      downloadURL = URL.createObjectURL(blob);
+
+      $("#sidebar_content").append(`<p class="text-center"><a href="${downloadURL}" download="${

You clean up the old objectUrl but do not clean up sidebar_content.
By reading the code this could perhaps result in multiple `<p>`

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