build.sc

// build.sc
import mill._
import mill.define.Target
import mill.scalalib._

object Dependencies {

  object Versions {

    val scalaVersion = "2.12.12"
    val akkaVersion = "2.5.11"
    val akkaHttpVersion = "10.1.3"
    val akkaHttpCorsVersion = "0.3.1"
    val scalaTestVersion = "3.0.5"
    val scalaCheckVersion = "1.14.0"
    val sprayJsonVersion = "1.3.4"
  }

  import Versions._

  val scalaTestFramework = "org.scalatest.tools.Framework"
  val scalaTest = ivy"org.scalatest::scalatest:$scalaTestVersion"
  val scalaCheck = ivy"org.scalacheck::scalacheck:$scalaCheckVersion"

  val akkaActorTyped = ivy"com.typesafe.akka::akka-actor-typed:$akkaVersion"
  val akkaPersistenceTyped = ivy"com.typesafe.akka::akka-persistence-typed:$akkaVersion"
  val akkaPersistenceQuery = ivy"com.typesafe.akka::akka-persistence-query:$akkaVersion"
  val akkaClusterShardingTyped = ivy"com.typesafe.akka::akka-cluster-sharding-typed:$akkaVersion"
  val akkaTestKitTyped = ivy"com.typesafe.akka::akka-testkit-typed:$akkaVersion"
  val akkaHttpCors = ivy"ch.megard::akka-http-cors:$akkaHttpCorsVersion"

  val akkaHttp = ivy"com.typesafe.akka::akka-http:$akkaHttpVersion"
  val akkaHttpSprayJson = ivy"com.typesafe.akka::akka-http-spray-json:$akkaHttpVersion"
  val akkaHttpTestKit = ivy"com.typesafe.akka::akka-http-testkit:$akkaHttpVersion"

  val sprayJson = ivy"io.spray::spray-json:$sprayJsonVersion"

  val levelDb = ivy"org.fusesource.leveldbjni:leveldbjni-all:1.8"
}

def compile =
  T {
    domain.compile
    service.compile
    rest.compile
    app.compile
  }

def test(args: String*) =
  T.command {
    domain.test.test(args: _*)()
    service.test.test(args: _*)()
    rest.test.test(args: _*)()
    app.test.test(args: _*)()
  }

trait ScalaModuleBase extends ScalaModule {
  import Dependencies._
  override def scalaVersion: T[String] = Dependencies.Versions.scalaVersion
  override def scalacOptions: Target[Seq[String]] =
    Seq(
      "-deprecation", // Emit warning and location for usages of deprecated APIs.
      "-encoding",
      "utf-8", // Specify character encoding used by source files.
      "-explaintypes", // Explain type errors in more detail.
      "-feature", // Emit warning and location for usages of features that should be imported explicitly.
      "-language:higherKinds", // Allow higher-kinded types
      "-language:implicitConversions", // Allow definition of implicit functions called views
      "-unchecked", // Enable additional warnings where generated code depends on assumptions.
      "-Xcheckinit", // Wrap field accessors to throw an exception on uninitialized access.
      "-Xfatal-warnings", // Fail the compilation if there are any warnings.
      "-Xlint:constant", // Evaluation of a constant arithmetic expression results in an error.
      "-Xlint:delayedinit-select", // Selecting member of DelayedInit.
      "-Xlint:doc-detached", // A Scaladoc comment appears to be detached from its element.
      "-Xlint:inaccessible", // Warn about inaccessible types in method signatures.
      "-Xlint:infer-any", // Warn when a type argument is inferred to be `Any`.
      "-Xlint:missing-interpolator", // A string literal appears to be missing an interpolator id.
      "-Xlint:nullary-override", // Warn when non-nullary `def f()' overrides nullary `def f'.
      "-Xlint:nullary-unit", // Warn when nullary methods return Unit.
      "-Xlint:option-implicit", // Option.apply used implicit view.
      "-Xlint:package-object-classes", // Class or object defined in package object.
      "-Xlint:poly-implicit-overload", // Parameterized overloaded implicit methods are not visible as view bounds.
      "-Xlint:private-shadow", // A private field (or class parameter) shadows a superclass field.
      "-Xlint:stars-align", // Pattern sequence wildcard must align with sequence component.
      "-Xlint:type-parameter-shadow", // A local type parameter shadows a type already in scope.
      "-Xlint:unsound-match", // Pattern match may not be typesafe.
      "-Yno-adapted-args", // Do not adapt an argument list (either by inserting () or creating a tuple) to match the receiver.
      "-Ywarn-dead-code", // Warn when dead code is identified.
      "-Ywarn-extra-implicit", // Warn when more than one implicit parameter section is defined.
      "-Ywarn-inaccessible", // Warn about inaccessible types in method signatures.
      "-Ywarn-infer-any", // Warn when a type argument is inferred to be `Any`.
      "-Ywarn-nullary-override", // Warn when non-nullary `def f()' overrides nullary `def f'.
      "-Ywarn-nullary-unit", // Warn when nullary methods return Unit.
      "-Ywarn-numeric-widen", // Warn when numerics are widened.
      "-Ywarn-unused:implicits", // Warn if an implicit parameter is unused.
      "-Ywarn-unused:imports", // Warn if an import selector is not referenced.
      "-Ywarn-unused:locals", // Warn if a local definition is unused.
      "-Ywarn-unused:params", // Warn if a value parameter is unused.
      "-Ywarn-unused:patvars", // Warn if a variable bound in a pattern is unused.
      "-Ywarn-unused:privates", // Warn if a private member is unused.
      "-Ywarn-value-discard" // Warn when non-Unit expression results are unused.
    )
  trait TestsBase extends Tests {
    override def testFrameworks: T[Seq[String]] = Seq(scalaTestFramework)
    override def ivyDeps: T[Agg[Dep]] = T(Agg(scalaTest, scalaCheck) ++ moreIvyDeps)
    def moreIvyDeps: Agg[Dep] = Agg.empty
  }
}

object domain extends ScalaModuleBase {
  import Dependencies._
  override def ivyDeps = Agg(sprayJson)
  object test extends TestsBase
}

object service extends ScalaModuleBase {
  import Dependencies._

  override def moduleDeps = Seq(domain)
  override def ivyDeps = Agg(akkaActorTyped, akkaPersistenceTyped, akkaClusterShardingTyped, levelDb)
  object test extends TestsBase {
    override def moreIvyDeps: Agg[Dep] = Agg(akkaTestKitTyped)
    override def moduleDeps: Seq[JavaModule] = super.moduleDeps ++ Seq(domain.test)
  }
}

object rest extends ScalaModuleBase {
  import Dependencies._

  override def moduleDeps = Seq(domain, service)
  override def ivyDeps = Agg(akkaHttp, akkaHttpSprayJson, akkaPersistenceQuery, akkaHttpCors)
  object test extends TestsBase {
    override def moduleDeps = super.moduleDeps ++ Seq(domain.test)
    override def moreIvyDeps = Agg(akkaHttpTestKit)
  }
}

object app extends ScalaModuleBase {
  override def moduleDeps = Seq(domain, service, rest)
  override def mainClass = Some("com.bimschas.pwascoring.app.PwaScoringServer")
  object test extends TestsBase
}