fix for unknown track layer

Author: dceejay

CHANGELOG.md

@@ -1,6 +1,6 @@
 ### Change Log for Node-RED Worldmap
 
- - v5.1.3 - Fix clearlayer for tracks node.
+ - v5.1.4 - Fix clearlayer for tracks node.
  - v5.1.2 - Fix for longer line msg properties.
  - v5.1.1 - Fix CoT inline image.
  - v5.1.0 - Let special icons be sizeable using iconSize property.

README.md

@@ -13,7 +13,7 @@ Feel free to [![](https://img.shields.io/static/v1?label=Sponsor&message=%E2%9D%
 
 ### Updates
 
-- v5.1.3 - Fix clearlayer for tracks node.
+- v5.1.4 - Fix clearlayer for tracks node.
 - v5.1.2 - Fix for longer line msg properties.
 - v5.1.1 - Fix CoT inline image.
 - v5.1.0 - Let special icons be sizeable using iconSize property.

package.json

@@ -1,6 +1,6 @@
 {
     "name": "node-red-contrib-web-worldmap",
-    "version": "5.1.3",
+    "version": "5.1.4",
     "description": "A Node-RED node to provide a web page of a world map for plotting things on.",
     "dependencies": {
         "@turf/bezier-spline": "~7.2.0",

worldmap.js

@@ -402,6 +402,7 @@ module.exports = function(RED) {
 
         var doTrack = function(msg) {
             if (msg.hasOwnProperty("payload") && msg.payload.hasOwnProperty("name")) {
+                if (!msg.payload.layer) { msg.payload.layer = "unknown"; }
                 var newmsg = RED.util.cloneMessage(msg);
                 if (msg.payload.deleted) {
                     if (msg.payload.name.substr(-1) === '_') {
@@ -474,9 +475,13 @@ module.exports = function(RED) {
                             newmsg.payload.layer = newmsg.payload.layer.substr(1);
                         }
                     }
-                    if (node.layer === "single") {
+                    else if (node.layer === "single") {
                         newmsg.payload.layer = "Tracks";
                     }
+                    else {
+                        newmsg.payload.layer = msg.payload.layer;
+
+                    }
                     node.send(newmsg);  // send the track
                 }
             }