scala-js/scala-js

Hi!, I am struggling with importing a js module, using snowpack:

'use strict';
import * as $i_cerebral from "./_snowpack/pkg/cerebral.js";

I get this at the top of my *-fastopt.js file, and it throws Uncaught SyntaxError: Cannot use import statement outside a module. I have the following basic code:

import scala.scalajs.js
import js.annotation.*
import demo.dict.Dictionary

@js.native
@JSImport("cerebral", "Module")
class Module(dict: Dictionary[js.Any]) extends js.Object
class State(  title: String) extends js.Object

class MyApp() extends js.Object:

  def test() =
    val dict = Dictionary.empty[js.Any]
    println("creating dict")
    dict("state") = State("Hello World")
    val module = demo.cerebral.Module(dict)

I tried wrap this around the Main class:

@JSExportTopLevel("MyApp")
object Main:
  def main(args: Array[String]): Unit =
    val myApp = demo.cerebral.MyApp()
    myApp.test()

and in my build.sbt I have added the ESModule that should be similar to snowpack (i.e. native javascript / browser module system)

scalaJSLinkerConfig ~= {
  _.withModuleKind(ModuleKind.ESModule) //.outputPatterns
}

is there something else I am missing? Is it possible to get access to a javascript library without using the JSImport somehow?