Route bpm change from TransportProcessor

src/Clock.ts

@@ -137,7 +137,6 @@ export class Clock {
 
   set bpm(bpm: number) {
     if (bpm > 0 && this._bpm !== bpm) {
-      this._bpm = bpm;
       this.transportNode?.setBPM(bpm);
     }
   }
@@ -223,7 +222,8 @@ export class Clock {
      * @remark also sends a MIDI message if a port is declared
      */
     this.app.clock.tick = 0;
-    this.logicalTime = 0
+    this.logicalTime = 0;
+    this.elapsed = 0;
     this.time_position = { bar: 0, beat: 0, pulse: 0 };
     this.app.api.MidiConnection.sendStopMessage();
     this.transportNode?.stop();

src/TransportNode.js

@@ -30,6 +30,8 @@ export class TransportNode extends AudioWorkletNode {
         } else {
           tryEvaluate(this.app, this.app.global_buffer);
         }
+      } else if (message.data.type === "bpm") {
+        this.app.clock.bpm = message.data.value;
       }
     }
   };

src/TransportProcessor.js

@@ -36,6 +36,7 @@ class TransportProcessor extends AudioWorkletProcessor {
     } else if (message.data.type === 'bpm') {
       this.bpm = message.data.value;
       this.currentPulsePosition = 0;
+      this.port.postMessage({ type: "bpm", value: this.bpm });
     } else if (message.data.type === 'ppqn') {
       this.ppqn = message.data.value;
       this.currentPulsePosition = 0;