auto-bind send target functions in broker. ensures listeners exist when needed

src/main/mesh.js

@@ -55,7 +55,7 @@ function init() {
     space.useDefaultKeys(true);
 
     // trigger space event binding
-    broker.publish('space.init', { space, platform });
+    broker.send.space_init({ space, platform });
 
     // start worker
     moto.client.start(`/code/mesh_work?${gapp.version}`);
@@ -79,7 +79,7 @@ broker.subscribe('space.init', data => {
             platform.setColor(platcolor);
             load.File.load(evt.dataTransfer.files[0])
                 .then(data => {
-                    broker.publish('space.load', data);
+                    broker.send.space_load(data);
                 })
                 .catch(error => {
                     dbug.error(error);

src/moto/broker.js

@@ -10,6 +10,7 @@ class Broker {
     constructor() {
         this.topics = {};
         this.used = {};
+        this.send = {};
     }
 
     topics() {
@@ -29,6 +30,9 @@ class Broker {
             channel = topics[topic] = [];
         }
         if (channel.indexOf(listener) < 0) {
+            let send = this.send;
+            let name = topic.replace(/\./g, '_');
+            send[name] = send[name] = this.bind(topic);
             channel.push(listener);
             this.publish(".topic.add", topic);
         }