package mill
package scalajslib
package worker
import java.io.File
import mill.api.Result
import org.scalajs.core.tools.io.IRFileCache.IRContainer
import org.scalajs.core.tools.io._
import org.scalajs.core.tools.jsdep.ResolvedJSDependency
import org.scalajs.core.tools.linker.{ModuleInitializer, StandardLinker, Semantics, ModuleKind => ScalaJSModuleKind}
import org.scalajs.core.tools.logging.ScalaConsoleLogger
import org.scalajs.jsenv._
import org.scalajs.jsenv.nodejs._
import org.scalajs.testadapter.TestAdapter
import mill.scalajslib.api.{ModuleKind, NodeJSConfig}
class ScalaJSWorkerImpl extends mill.scalajslib.api.ScalaJSWorkerApi {
def link(sources: Array[File],
libraries: Array[File],
dest: File,
main: String,
fullOpt: Boolean,
moduleKind: ModuleKind) = {
val semantics = fullOpt match {
case true => Semantics.Defaults.optimized
case false => Semantics.Defaults
}
val scalaJSModuleKind = moduleKind match {
case ModuleKind.NoModule => ScalaJSModuleKind.NoModule
case ModuleKind.CommonJSModule => ScalaJSModuleKind.CommonJSModule
}
val config = StandardLinker.Config()
.withOptimizer(fullOpt)
.withClosureCompilerIfAvailable(fullOpt)
.withSemantics(semantics)
.withModuleKind(scalaJSModuleKind)
val linker = StandardLinker(config)
val sourceSJSIRs = sources.map(new FileVirtualScalaJSIRFile(_))
val jars = libraries.map(jar => IRContainer.Jar(new FileVirtualBinaryFile(jar) with VirtualJarFile))
val jarSJSIRs = jars.flatMap(_.jar.sjsirFiles)
val destFile = AtomicWritableFileVirtualJSFile(dest)
val logger = new ScalaConsoleLogger
val initializer = Option(main).map { cls => ModuleInitializer.mainMethodWithArgs(cls, "main") }
try {
linker.link(sourceSJSIRs ++ jarSJSIRs, initializer.toSeq, destFile, logger)
Result.Success(dest)
}catch {case e: org.scalajs.core.tools.linker.LinkingException =>
Result.Failure(e.getMessage)
}
}
def run(config: NodeJSConfig, linkedFile: File): Unit = {
nodeJSEnv(config)
.jsRunner(FileVirtualJSFile(linkedFile))
.run(new ScalaConsoleLogger, ConsoleJSConsole)
}
def getFramework(config: NodeJSConfig,
frameworkName: String,
linkedFile: File): (() => Unit, sbt.testing.Framework) = {
val env = nodeJSEnv(config).loadLibs(
Seq(ResolvedJSDependency.minimal(new FileVirtualJSFile(linkedFile)))
)
val tconfig = TestAdapter.Config().withLogger(new ScalaConsoleLogger)
val adapter =
new TestAdapter(env, tconfig)
(
() => adapter.close(),
adapter
.loadFrameworks(List(List(frameworkName)))
.flatten
.headOption
.getOrElse(throw new RuntimeException("Failed to get framework"))
)
}
def nodeJSEnv(config: NodeJSConfig): NodeJSEnv = {
new NodeJSEnv(
NodeJSEnv.Config()
.withExecutable(config.executable)
.withArgs(config.args)
.withEnv(config.env)
.withSourceMap(config.sourceMap))
}
}