Typescript transformers

src/TransportProcessor.ts

@@ -0,0 +1,34 @@
+class TransportProcessor extends AudioWorkletProcessor {
+
+    started: boolean;
+
+    constructor(options: AudioWorkletNodeOptions) {
+        super();
+        this.port.addEventListener("message", this.handleMessage);
+        this.port.start();
+        this.started = false;
+   }
+ 
+    handleMessage = (message: MessageEvent) => {
+        if (message.data && message.data.type === "ping") {
+            this.port.postMessage(message.data);
+        } else if (message.data === "start") {
+            this.started = true;
+       } else if (message.data === "pause") {
+            this.started = false;
+        } else if (message.data === "stop") {
+            this.started = false;
+            currentTime = 0; // This is read-only?
+        }
+    };
+
+    process() {
+        if (this.started) this.port.postMessage({ type: "bang", currentTime });
+        return true;
+    }
+}
+
+registerProcessor(
+    "transport", 
+    TransportProcessor
+);