mesh app work. improve script setup

src/moto/worker.js

@@ -0,0 +1,80 @@
+/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
+
+"use strict";
+
+(function() {
+
+let MOTO = self.moto = self.moto || {},
+    time = Date.now;
+
+// allow license to inject module
+self.gapp = self.gapp || MOTO;
+
+// code is running in the worker / server context
+const dispatch = MOTO.worker = {
+
+    send: (msg) => {
+        self.postMessage(msg);
+    },
+
+    onmessage: (e) => {
+
+        if (e.data === '--init--') {
+            console.log('worker got init');
+            return;
+        }
+
+        let time_recv = time(),
+            msg = e.data || {},
+            run = dispatch[msg.task],
+            send = {
+                data : function(data,direct) {
+                    dispatch.send({
+                        seq: msg.seq,
+                        task: msg.task,
+                        done: false,
+                        data: data
+                    }, direct);
+                },
+                done : function(data,direct) {
+                    dispatch.send({
+                        seq: msg.seq,
+                        task: msg.task,
+                        done: true,
+                        data: data
+                    }, direct);
+                }
+            };
+
+        if (run) {
+            try {
+                let time_xfer = (time_recv - msg.time),
+                    output = run(msg.data, send),
+                    time_send = time(),
+                    time_proc = time_send - time_recv;
+
+                if (output) dispatch.send({
+                    seq: msg.seq,
+                    task: msg.task,
+                    time_send: time_xfer,
+                    time_proc: time_proc,
+                    // replaced on reply side
+                    time_recv: time(),
+                    data: output
+                });
+            } catch (wrkerr) {
+                // console.log(wrkerr);
+                console.trace(wrkerr.stack);
+                send.done({error: wrkerr.toString()});
+            }
+        } else {
+            console.log({worker_unhandled: e, msg, fn: dispatch[msg.task]});
+        }
+    }
+
+};
+
+// attach onmessage hanler
+self.onmessage = dispatch.onmessage;
+
+})();