Let icons be inline images

CHANGELOG.md

@@ -1,5 +1,6 @@
 ### Change Log for Node-RED Worldmap
 
+ - v4.2.0 - Let icons also be inline images data:image... 
  - v4.1.0 - Add optional SOG, COG, altft, altm input properties.
  - v4.0.0 - Breaking - Better context menu variable substitution and retention
             Now uses ${name} syntax rather than $name so we can handle user defined variables in context menus.

README.md

@@ -13,6 +13,7 @@ Feel free to [![](https://img.shields.io/static/v1?label=Sponsor&message=%E2%9D%
 
 ### Updates
 
+- v4.2.0  - Let icons also be inline images data:image... 
 - v4.1.0  - Add optional SOG, COG, altft, altm input properties.
 - v4.0.0  - Breaking - Better context menu variable substitution and retention
             Now uses ${name} syntax rather than $name so we can handle user defined variables in context menus.

package.json

@@ -1,6 +1,6 @@
 {
     "name": "node-red-contrib-web-worldmap",
-    "version": "4.1.0",
+    "version": "4.2.0",
     "description": "A Node-RED node to provide a web page of a world map for plotting things on.",
     "dependencies": {
         "@turf/bezier-spline": "~6.5.0",

worldmap/worldmap.js

@@ -1974,7 +1974,7 @@ function setMarker(data) {
             marker = L.marker(ll, {title:data.name, icon:myMarker, draggable:drag});
             labelOffset = [12,-4];
         }
-        else if (data.icon.match(/^https?:.*$|^\//)) { // web url icon https://...
+        else if (data.icon.match(/^https?:.*$|^\/|^data:image\//)) { // web url icon https://...
             var sz = data.iconSize ?? 32;
             myMarker = L.icon({
                 iconUrl: data.icon,