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build.sbt
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build.sbt
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name := "crossword-backend"
version := "0.1"
scalaVersion := "2.13.0"
lazy val akkaHttpVersion = "10.1.8"
lazy val akkaVersion = "2.6.0-M7"
libraryDependencies ++= Seq(
"com.typesafe.akka" %% "akka-http" % akkaHttpVersion,
"com.typesafe.akka" %% "akka-http-spray-json" % akkaHttpVersion,
"com.typesafe.akka" %% "akka-http-xml" % akkaHttpVersion,
"com.typesafe.akka" %% "akka-stream-typed" % akkaVersion,
"com.typesafe.akka" %% "akka-actor-typed" % akkaVersion,
"org.typelevel" %% "cats-core" % "2.0.0-M4",
"com.lihaoyi" %% "requests" % "0.2.0",
"com.lihaoyi" %% "os-lib" % "0.3.0",
"ch.megard" %% "akka-http-cors" % "0.4.1",
"org.slf4j" % "slf4j-simple" % "1.7.27",
"org.scala-lang.modules" %% "scala-parallel-collections" % "0.2.0"
)
// ScalaTest
libraryDependencies ++= Seq(
"org.scalactic" %% "scalactic" % "3.0.8",
"org.scalatest" %% "scalatest" % "3.0.8" % "test"
)
// Akka TestKit
libraryDependencies ++= Seq(
"com.typesafe.akka" %% "akka-stream-testkit" % akkaVersion,
"com.typesafe.akka" %% "akka-http-testkit" % akkaHttpVersion
)
enablePlugins(JavaAppPackaging)
dockerExposedPorts := Seq(8080)
packageName in Docker := "crosssword-server"
dockerRepository := Some("opencrossword")
dockerUpdateLatest := true
// shamelessly stolen from doobie's build.sbt because cats was giving me lip
// I'm sure we don't really need all of this
lazy val compilerFlags = Seq(
scalacOptions ++= (
CrossVersion.partialVersion(scalaVersion.value) match {
case Some((2, n)) if n <= 11 => // for 2.11 all we care about is capabilities, not warnings
Seq(
"-language:existentials", // Existential types (besides wildcard types) can be written and inferred
"-language:higherKinds", // Allow higher-kinded types
"-language:implicitConversions", // Allow definition of implicit functions called views
"-Ypartial-unification" // Enable partial unification in type constructor inference
)
case _ =>
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:existentials", // Existential types (besides wildcard types) can be written and inferred
"-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.
"-Xfuture", // Turn on future language features.
"-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.
// "-Yno-imports", // No predef or default imports
"-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.
)
}
),
// flags removed in 2.13
scalacOptions ++= (
CrossVersion.partialVersion(scalaVersion.value) match {
case Some((2, n)) if n == 12 =>
Seq(
"-Yno-adapted-args", // Do not adapt an argument list (either by inserting () or creating a tuple) to match the receiver.
"-Ypartial-unification" // Enable partial unification in type constructor inference
)
case _ =>
Seq.empty
}
),
scalacOptions in(Test, compile) --= (
CrossVersion.partialVersion(scalaVersion.value) match {
case Some((2, n)) if n <= 11 =>
Seq("-Yno-imports")
case _ =>
Seq(
"-Ywarn-unused:privates",
"-Ywarn-unused:locals",
"-Ywarn-unused:imports",
"-Yno-imports"
)
}
),
scalacOptions in(Compile, console) --= Seq("-Xfatal-warnings", "-Ywarn-unused:imports", "-Yno-imports"),
scalacOptions in(Compile, console) ++= Seq("-Ydelambdafy:inline"), // http://fs2.io/faq.html
scalacOptions in(Compile, doc) --= Seq("-Xfatal-warnings", "-Ywarn-unused:imports", "-Yno-imports")
)