fix websocket multiple connections

README.md

@@ -7,6 +7,7 @@ map web page for plotting "things" on.
 ![Map Image](https://dceejay.github.io/pages/images/redmap.png)
 
 ### Changes
+ - v1.1.11 - fix websocket multiple connections
  - v1.1.9 - add ability to add geoJSON layers
  - v1.1.8 - add videoUrl property to allow mp4 insert in popup
  - v1.1.7 - extend path correctly - Issue #28

package.json

@@ -1,6 +1,6 @@
 {
     "name": "node-red-contrib-web-worldmap",
-    "version": "1.1.9",
+    "version": "1.1.11",
     "description": "A Node-RED node to provide a web page of a world map for plotting things on.",
     "dependencies": {
         "express": "^4.16.2",

worldmap.js

@@ -82,6 +82,7 @@ module.exports = function(RED) {
                     clients[c].end();
                 }
             }
+            socket.removeListener('connection', callback);
             node.status({});
         });
         socket.on('connection', callback);
@@ -120,6 +121,7 @@ module.exports = function(RED) {
                     clients[c].end();
                 }
             }
+            socket.removeListener('connection', callback);
             node.status({});
         });
         socket.on('connection', callback);