outwatch-test/src/main/scala/outwatchapp/util/WorkerTest.scala

// package outwatchapp.util

// import org.scalajs.dom

// import scala.scalajs.js
// import scala.scalajs.js.annotation.JSExport
// import org.scalajs.dom.webworkers.DedicatedWorkerGlobalScope
// import scala.scalajs.js.annotation.JSGlobalScope
// import scala.scalajs.js.annotation.JSExportTopLevel

// // @js.native
// // object WorkerGlobal extends js.GlobalScope {
// //   def addEventListener(`type`: String, f: js.Function): Unit = js.native
// //   def postMessage(data: js.Any): Unit = js.native
// // }

// @js.native
// @JSGlobalScope
// object WorkerGlobal extends DedicatedWorkerGlobalScope

// @JSExportTopLevel("WorkerMain")
// object WorkerMain {
//   @JSExport
//   def main(): Unit = {
//     // WorkerGlobal.addEventListener("message", onMessage _)
//     WorkerGlobal.onmessage = onMessage _
//     WorkerGlobal.postMessage(s"Started")
//   }

//   val timeMessage = """Time.*""".r
//   var count = 0

//   def onMessage(msg: dom.MessageEvent) = {
//     val s = msg.data.asInstanceOf[String]
//     s match {
//       case timeMessage() =>
//         count += 1
//         if (count % 600 == 0)
//           WorkerGlobal.postMessage("60fps")
//       case _ =>
//         WorkerGlobal.postMessage(s"Received: $s")
//     }
//   }
// }