1 files changed, 51 insertions, 0 deletions
diff --git a/scalalib/src/GenIdeaModule.scala b/scalalib/src/GenIdeaModule.scala
new file mode 100644
index 00000000..e874da8b
--- /dev/null
+++ b/scalalib/src/GenIdeaModule.scala
@@ -0,0 +1,51 @@
+package mill.scalalib
+
+import mill.define.Command
+import mill.{Module, T}
+
+/**
+ * Module specific configuration of the Idea project file generator.
+ */
+trait GenIdeaModule extends Module {
+  import GenIdeaModule._
+
+  def intellijModulePath: os.Path = millSourcePath
+
+  /**
+    * Skip Idea project file generation.
+    */
+  def skipIdea: Boolean = false
+
+  /**
+    * Contribute facets to the Java module configuration.
+    * @param ideaConfigVersion The IDEA configuration version in use. Probably `4`.
+    * @return
+    */
+  def ideaJavaModuleFacets(ideaConfigVersion: Int): Command[Seq[JavaFacet]] = T.command { Seq[JavaFacet]() }
+
+  /**
+    * Contribute components to idea config files.
+    */
+  def ideaConfigFiles(ideaConfigVersion: Int): Command[Seq[IdeaConfigFile]] = T.command { Seq[IdeaConfigFile]() }
+
+  }
+
+object GenIdeaModule {
+  import upickle.default._
+
+  case class Element(name: String, attributes: Map[String, String] = Map(), childs: Seq[Element] = Seq())
+  object Element {
+    implicit def rw: ReadWriter[Element] = macroRW
+  }
+
+  final case class JavaFacet(`type`: String, name: String, config: Element)
+  object JavaFacet {
+    implicit def rw: ReadWriter[JavaFacet] = macroRW
+  }
+
+  final case class IdeaConfigFile(name: String, component: String, config: Seq[Element])
+  object IdeaConfigFile {
+    implicit def rw: ReadWriter[IdeaConfigFile] = macroRW
+  }
+
+}