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mkotsbak avatar mkotsbak commented on August 20, 2024

See original issue: OlivierBlanvillain/scalajs-transport#5

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mkotsbak avatar mkotsbak commented on August 20, 2024

I could not reproduce the problem with uPickle:

case class Thing(a: Int, b: String)
write(Thing(1, "gg"))

Could it be the macro expansion that introduces the escaping?

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tindzk avatar tindzk commented on August 20, 2024

I ran into the same problem. The reason is that autowire's pickle type is instantiated with String. Instead, you may want to use upickle.Js.Value:

object AutowireClient extends autowire.Client[upickle.Js.Value, upickle.Reader, upickle.Writer] {
  override def doCall(req: Request): Future[upickle.Js.Value] = {
    val future = Ajax.post(
      url = "/api/" + req.path.mkString("/"),
      data = upickle.json.write(upickle.Js.Obj(req.args.toSeq: _*))
    )

    future.map(x => upickle.json.read(x.responseText))
  }

  def read[Result: upickle.Reader](p: upickle.Js.Value) = upickle.readJs[Result](p)
  def write[Result: upickle.Writer](r: Result) = upickle.writeJs(r)
}

object AutowireServer extends autowire.Server[upickle.Js.Value, upickle.Reader, upickle.Writer] {
  def read[Result: upickle.Reader](p: upickle.Js.Value) = upickle.readJs[Result](p)
  def write[Result: upickle.Writer](r: Result) = upickle.writeJs(r)
}

object Server {
  val router = AutowireServer.route[Protocol](impl)

  def dispatch(path: List[String], args: String): Future[String] = {
    upickle.json.read(args) match {
      case Js.Obj(args @ _*) =>
        router(autowire.Core.Request(path, args.toMap))
          .map(upickle.json.write)
      case _ =>
        Future.failed(new Exception("Arguments need to be a valid JSON object"))
    }
  }
}

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