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path: root/plugins/scalajs/ScalaJsLib.scala
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package cbt
import java.io.File

case class ScalaJsLib(
  scalaJsVersion: String, scalaVersion: String, cbtLastModified: Long, mavenCache: File
)(implicit logger: Logger, transientCache: java.util.Map[AnyRef,AnyRef], classLoaderCache: ClassLoaderCache){
  sealed trait ScalaJsOutputMode {
    def option: String
    def fileSuffix: String
  }
  case object FastOptJS extends ScalaJsOutputMode{
    override val option = "--fastOpt"
    override val fileSuffix = "fastopt"
  }
  case object FullOptJS extends ScalaJsOutputMode{
    override val option = "--fullOpt"
    override val fileSuffix = "fullopt"
  }

  val lib = new Lib(logger)
  def dep(artifactId: String) = MavenResolver( cbtLastModified, mavenCache, mavenCentral ).bindOne(
    MavenDependency("org.scala-js", artifactId, scalaJsVersion)
  )

  def link(
    mode: ScalaJsOutputMode, outputPath: File,
    scalaJsOptions: Seq[String], entriesToLink: Seq[File]
  ) = {
    val scalaJsCliDep = dep( "scalajs-cli_"++lib.libMajorVersion(scalaVersion) )
    lib.runMain(
      "org.scalajs.cli.Scalajsld",
      Seq(
        mode.option,
        "--sourceMap",
        "--stdlib", s"${scalaJsLibraryDependency.jar.getAbsolutePath}",
        "--output", outputPath.string
      ) ++ scalaJsOptions ++ entriesToLink.map(_.getAbsolutePath),
      scalaJsCliDep.classLoader
    )
  }

  val scalaJsLibraryDependency = dep( "scalajs-library_"++lib.libMajorVersion(scalaVersion) )

  // Has to be full Scala version because the compiler is incompatible between versions
  val scalaJsCompilerDependency = dep( "scalajs-compiler_"++scalaVersion )  
  val scalacOptions = Seq(
    "-Xplugin:" ++ scalaJsCompilerDependency.jar.string,
    "-Xplugin-require:scalajs"
  )
}