handle SIDC missing getProperties function

CHANGELOG.md

@@ -1,5 +1,6 @@
 ### Change Log for Node-RED Worldmap
 
+ - v2.0.22 - fix SIDC missing property
  - v2.0.21 - allow adding overlays without making them visible (visible:false) - Issue #108
  - v2.0.20 - ensure `fit` option is boolean, Issue #109. Fix track layers, Issue #110.
  - v2.0.18 - Stop map contextmenu bleedthrough to marker. Add compress middleware.

README.md

@@ -9,6 +9,7 @@ map web page for plotting "things" on.
 
 ### Updates
 
+- v2.0.22 - fix SIDC missing property
 - v2.0.21 - allow adding overlays without making them visible (visible:false) - Issue #108
 - v2.0.20 - ensure `fit` option is boolean, Issue #109. Fix track layers, Issue #110.
 - v2.0.18 - Stop map contextmenu bleedthrough to marker. Add compress middleware.

package.json

@@ -1,6 +1,6 @@
 {
     "name": "node-red-contrib-web-worldmap",
-    "version": "2.0.21",
+    "version": "2.0.22",
     "description": "A Node-RED node to provide a web page of a world map for plotting things on.",
     "dependencies": {
         "cgi": "0.3.1",

worldmap/worldmap.js

@@ -1317,7 +1317,11 @@ function setMarker(data) {
             myMarker = new ms.Symbol( data.SIDC.toUpperCase(), { uniqueDesignation:data.name });
             // Now that we have a symbol we can ask for the echelon and set the symbol size
             var opts = data.options || {};
-            opts.size = opts.size || iconSz[myMarker.getProperties().echelon] || 30;
+            var sz = 30;
+            if (myMarker.hasOwnProperty("getProperties") && myMarker.getProperties().hasOwnProperty("echelon")) {
+                sz = iconSz[myMarker.getProperties().echelon];
+            }
+            opts.size = opts.size || sz;
             opts.size = opts.size * (opts.scale || 1);
             myMarker = myMarker.setOptions(opts);
             var myicon = L.icon({