resend markers for late joiners

CHANGELOG.md

@@ -1,5 +1,6 @@
 ### Change Log for Node-RED Worldmap
 
+ - v2.27.0 - Reload existing markers for late joiners
  - v2.26.1 - Add QTH/Maidenhead option also
  - v2.26.0 - Add UTM and MGRS to coordinate display options.
  - v2.25.0 - Add bounds command to set overall map bounds.

README.md

@@ -11,6 +11,7 @@ map web page for plotting "things" on.
 
 ### Updates
 
+- v2.27.0 - Reload existing markers for late joiners
 - v2.26.1 - Add QTH/Maidenhead option also
 - v2.26.0 - Add UTM and MGRS to coordinate display options.
 - v2.25.0 - Add bounds command to set overall map bounds.

package.json

@@ -1,6 +1,6 @@
 {
     "name": "node-red-contrib-web-worldmap",
-    "version": "2.26.1",
+    "version": "2.27.0",
     "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.js

@@ -15,6 +15,7 @@ module.exports = function(RED) {
     }
 
     function worldMap(node, n) {
+        var allPoints = {};
         RED.nodes.createNode(node,n);
         node.lat = n.lat || "";
         node.lon = n.lon || "";
@@ -100,6 +101,9 @@ module.exports = function(RED) {
                     if (node.name) { c.toptitle = node.name; }
                     //console.log("INIT",c)
                     client.write(JSON.stringify({command:c}));
+                    var o = Object.values(allPoints);
+                    o.map(v => delete v.tout);
+                    setTimeout(function() { client.write(JSON.stringify(o)) }, 250);
                 }
             });
             client.on('close', function() {
@@ -121,6 +125,12 @@ module.exports = function(RED) {
                     }
                 }
             }
+            if (msg.payload.hasOwnProperty("name")) {
+                allPoints[msg.payload.name] = msg.payload;
+                var t = node.maxage || 3600;
+                if (msg.payload.ttl && msg.payload.ttl < t) { t = msg.payload.ttl; }
+                allPoints[msg.payload.name].tout = setTimeout( function() { delete allPoints[msg.payload.name] }, t * 1000 );
+            }
         });
         node.on("close", function() {
             for (var c in clients) {

worldmap/worldmap.js

@@ -915,7 +915,6 @@ var addBaseMaps = function(maplist,first) {
     }
 }
 
-
 // Now add the overlays
 var addOverlays = function(overlist) {
     //console.log("OVERLAYS",overlist)