build.sbt

addCommandAlias("fix", "all compile:scalafix test:scalafix")
addCommandAlias("lint", "compile:scalafix --check ; test:scalafix --check")

inThisBuild(
  Seq(
    organization := "com.github.seigert",
    addCompilerPlugin(scalafixSemanticdb),
    addCompilerPlugin("org.typelevel"  %% "kind-projector" % Dependencies.Version.KindProjector),
    resolvers ++= Seq(
      Resolver.sonatypeRepo("releases")
    ),
    scalaVersion := Dependencies.Version.Scala,
    scalacOptions ++= Seq(
      "-encoding",
      "utf-8", // Source files encoding.
      "-target:jvm-1.8", // Target JVM 8
      "-deprecation", // Emit warning and location for usages of deprecated APIs.
      "-explaintypes", // Explain type errors in more detail.
      "-feature", // Emit warning and location for usages of features that should be imported explicitly.
      "-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:adapted-args", // Warn if an argument list is modified to match the receiver.
      "-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.
      "-Ybackend-parallelism", "8", // Enable paralellisation — change to desired number!
      "-Ycache-plugin-class-loader:last-modified", // Enables caching of classloaders for compiler plugins
      "-Ycache-macro-class-loader:last-modified", // and macro definitions. This can lead to performance improvements.
      "-Ymacro-annotations", // Enable annotation macros
      "-Yrangepos", // Enable source position markup
      "-Ywarn-dead-code", // Warn when dead code is identified.
      "-Ywarn-extra-implicit", // Warn when more than one implicit parameter section is defined.
      "-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.
    ),
    turbo := true,
    updateOptions := updateOptions.value
      .withCachedResolution(true)
  )
)

lazy val freq: Project = Project(id = "freq", base = file("."))
  .enablePlugins(GitBranchPrompt)
  .settings(
    libraryDependencies ++= Dependencies.harmony.value,
  )