scala.js run (#127)

scala.js run command

2 files changed, 37 insertions, 0 deletions

diff --git a/scalajslib/src/mill/scalajslib/ScalaJSBridge.scala b/scalajslib/src/mill/scalajslib/ScalaJSBridge.scala
index 780fa09e..7c9834b0 100644
--- a/scalajslib/src/mill/scalajslib/ScalaJSBridge.scala
+++ b/scalajslib/src/mill/scalajslib/ScalaJSBridge.scala
@@ -50,6 +50,10 @@ class ScalaJSWorker {
     )
   }
 
+  def run(toolsClasspath: Agg[Path], linkedFile: File): Unit = {
+    bridge(toolsClasspath).run(linkedFile)
+  }
+
   def getFramework(toolsClasspath: Agg[Path],
                    frameworkName: String,
                    linkedFile: File): sbt.testing.Framework = {
@@ -65,6 +69,8 @@ trait ScalaJSBridge {
            main: String,
            fullOpt: Boolean): Unit
 
+  def run(linkedFile: File): Unit
+
   def getFramework(frameworkName: String,
                    linkedFile: File): sbt.testing.Framework
 
diff --git a/scalajslib/src/mill/scalajslib/ScalaJSModule.scala b/scalajslib/src/mill/scalajslib/ScalaJSModule.scala
index 462fef5a..86ebd53d 100644
--- a/scalajslib/src/mill/scalajslib/ScalaJSModule.scala
+++ b/scalajslib/src/mill/scalajslib/ScalaJSModule.scala
@@ -89,6 +89,37 @@ trait ScalaJSModule extends scalalib.ScalaModule { outer =>
     )
   }
 
+  override  def runLocal(args: String*) = T.command { run(args:_*) }
+
+  override def run(args: String*) = T.command {
+    if(mainClass().isEmpty) {
+      throw new RuntimeException("No mainClass provided!")
+    }
+
+    ScalaJSBridge.scalaJSBridge().run(
+      toolsClasspath().map(_.path),
+      fastOpt().path.toIO
+    )
+  }
+
+  override def runMainLocal(mainClass: String, args: String*) = T.command { runMain(mainClass, args:_*) }
+
+  override def runMain(mainClass: String, args: String*) = T.command {
+    val linkedFile = link(
+      ScalaJSBridge.scalaJSBridge(),
+      toolsClasspath(),
+      Seq(compile()),
+      compileDepClasspath(),
+      Some(mainClass),
+      FastOpt
+    )
+
+    ScalaJSBridge.scalaJSBridge().run(
+      toolsClasspath().map(_.path),
+      linkedFile.path.toIO
+    )
+  }
+
   def link(worker: ScalaJSWorker,
            toolsClasspath: Agg[PathRef],
            input: Seq[CompilationResult],