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‎activator.properties

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name=scalajs-play-core
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title=ScalaJS with React and Play backend
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description=Base project using MacWire, ScalaJS (with React) and Play backend
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tags=scala,scalajs,scalajs-react,playframework,autowire

‎client/src/main/scala/hu/demo/client/SPA.scala

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package hu.demo.client
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import scala.scalajs.js
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import scala.scalajs.js.annotation.JSExport
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/**
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* Created by Janos on 12/9/2015.
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*/
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object SPA extends js.JSApp {
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@JSExport
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override def main(): Unit = {
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//TODO: Render component
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}
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}

‎client/src/main/scala/service/Client.scala

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package service
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import java.nio.ByteBuffer
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import boopickle.Default._
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import org.scalajs.dom
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import scala.concurrent.Future
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import scala.scalajs.js.typedarray.{ArrayBuffer, TypedArrayBuffer}
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import scala.scalajs.concurrent.JSExecutionContext.Implicits.runNow
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/**
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* Created by Janos on 12/9/2015.
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*/
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abstract class AbstractClient(name: String) extends autowire.Client[ByteBuffer, Pickler, Pickler] {
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override def doCall(req: Request): Future[ByteBuffer] = dom.ext.Ajax.post(
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url = s"/api/${name}/${req.path.mkString("/")}",
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data = Pickle.intoBytes(req.args),
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responseType = "arraybuffer",
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headers = Map("Content-Type" -> "application/octet-stream")
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).map(r => TypedArrayBuffer.wrap(r.response.asInstanceOf[ArrayBuffer]))
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override def read[Result: Pickler](p: ByteBuffer) = Unpickle[Result].fromBytes(p)
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override def write[Result: Pickler](r: Result) = Pickle.intoBytes(r)
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}

‎project/Build.scala

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import org.scalajs.sbtplugin.ScalaJSPlugin
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import org.scalajs.sbtplugin.ScalaJSPlugin.autoImport._
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import play.sbt.{PlayLayoutPlugin, PlayScala}
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import play.twirl.sbt.SbtTwirl
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import playscalajs.PlayScalaJS.autoImport._
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import playscalajs.ScalaJSPlay
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import sbt.Keys._
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import sbt._
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object ScalaJSPlayCore extends Build {
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lazy val root = project.in(file("."))
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.aggregate(
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sharedJVM,
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sharedJS,
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client,
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server
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)
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.settings(
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publish := {},
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publishLocal := {}
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)
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lazy val shared = (crossProject.crossType(CrossType.Pure) in file("shared"))
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.settings(
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scalaVersion := versions.common.scala,
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libraryDependencies ++= dependencies.sharedDependencies.value
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)
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.jsConfigure(_ enablePlugins ScalaJSPlay)
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.jvmSettings()
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.jsSettings()
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lazy val sharedJVM = shared.jvm
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lazy val sharedJS = shared.js
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lazy val client = project.in(file("client"))
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.settings(Settings.clientSettings)
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.enablePlugins(ScalaJSPlugin, ScalaJSPlay)
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.dependsOn(sharedJS)
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lazy val clients = Seq(client)
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lazy val server = project.in(file("server"))
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.settings(Settings.serverSettings ++ Seq(
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scalaJSProjects := clients
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))
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.enablePlugins(SbtTwirl,PlayScala)
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.disablePlugins(PlayLayoutPlugin)
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.aggregate(client)
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.dependsOn(sharedJVM)
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// loads the Play server project at sbt startup
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onLoad in Global := (Command.process("project server", _: State)) compose (onLoad in Global).value
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}

‎project/Settings.scala

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import com.typesafe.sbt.less.Import.LessKeys
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import com.typesafe.sbt.web.Import._
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import org.scalajs.sbtplugin.ScalaJSPlugin.autoImport._
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import play.sbt.routes.RoutesKeys._
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import playscalajs.PlayScalaJS.autoImport._
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import sbt.Keys._
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import sbt._
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object Settings {
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val applicationName = "scalajs-play-demo"
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val applicationVersion = "1.0.0"
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lazy val elideOptions = settingKey[Seq[String]]("Set limit for elidable functions")
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lazy val applicationSettings = Seq(
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name := applicationName,
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version := applicationVersion
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)
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val sharedSettings = Seq(
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scalaVersion := versions.common.scala,
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scalacOptions ++= Seq(
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"-Xlint",
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"-unchecked",
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"-deprecation",
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"-feature"
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),
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resolvers ++= Seq(Resolver.jcenterRepo)
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)
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lazy val clientSettings = applicationSettings ++ sharedSettings ++ Seq(
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libraryDependencies ++= dependencies.clientDependencies.value,
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elideOptions := Seq(),
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scalacOptions ++= elideOptions.value,
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jsDependencies ++= dependencies.jsDependencies.value,
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skip in packageJSDependencies := false,
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persistLauncher := true,
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persistLauncher in Test := false,
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testFrameworks += new TestFramework("utest.runner.Framework")
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)
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lazy val serverSettings = applicationSettings ++ sharedSettings ++ Seq(
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libraryDependencies ++= dependencies.serverDependencies.value,
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commands += ReleaseCmd,
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pipelineStages := Seq(scalaJSProd),
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LessKeys.compress in Assets := true,
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includeFilter in(Assets, LessKeys.less) := "*.less",
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excludeFilter in(Assets, LessKeys.less) := "_*.less",
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routesGenerator := InjectedRoutesGenerator
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)
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// Command for building a release
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lazy val ReleaseCmd = Command.command("release") {
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state => "set elideOptions in client := Seq(\"-Xelide-below\", \"WARNING\")" ::
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"client/clean" ::
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"client/test" ::
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"server/clean" ::
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"server/test" ::
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"server/dist" ::
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"set elideOptions in client := Seq()" ::
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state
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}
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}
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object dependencies {
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val sharedDependencies = Def.setting(Seq(
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"com.lihaoyi" %%% "autowire" % versions.common.autowire,
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"me.chrons" %%% "boopickle" % versions.common.booPickle,
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"com.lihaoyi" %%% "scalarx" % versions.common.scalaRx,
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"com.lihaoyi" %%% "utest" % versions.common.uTest
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))
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val serverDependencies = Def.setting(Seq(
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"com.softwaremill.macwire" %% "macros" % versions.server.macwire % "provided",
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"com.softwaremill.macwire" %% "util" % versions.server.macwire,
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"com.softwaremill.macwire" %% "proxy" % versions.server.macwire,
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"com.mohiva" %% "play-silhouette" % versions.server.silhouette,
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"com.mohiva" %% "play-silhouette-testkit" % versions.server.silhouette % "test",
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"com.vmunier" %% "play-scalajs-scripts" % versions.server.playScripts
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))
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val clientDependencies = Def.setting(Seq(
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"com.github.japgolly.scalajs-react" %%% "core" % versions.client.scalajsReact,
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"com.github.japgolly.scalajs-react" %%% "extra" % versions.client.scalajsReact,
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"com.github.japgolly.scalajs-react" %%% "ext-scalaz71" % versions.client.scalajsReact,
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"com.github.japgolly.scalajs-react" %%% "ext-monocle" % versions.client.scalajsReact,
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"com.github.japgolly.scalacss" %%% "ext-react" % versions.client.scalaCSS,
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"org.scala-js" %%% "scalajs-dom" % versions.client.scalaDom
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))
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val jsDependencies = Def.setting(Seq(
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"org.webjars.npm" % "react" % versions.js.react / "react-with-addons.js" minified "react-with-addons.min.js" commonJSName "React",
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"org.webjars.npm" % "react-dom" % versions.js.react / "react-dom.js" commonJSName "ReactDOM" minified "react-dom.min.js" dependsOn "react-with-addons.js",
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"org.webjars" % "jquery" % versions.js.jQuery / "jquery.js" minified "jquery.min.js",
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RuntimeDOM % "test"
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))
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}
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object versions {
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object common {
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val scala = "2.11.7"
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val scalaRx = "0.2.8"
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val autowire = "0.2.5"
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val booPickle = "1.1.0"
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val uTest = "0.3.1"
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}
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object client {
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val scalaDom = "0.8.2"
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val scalajsReact = "0.10.1"
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val scalaCSS = "0.3.1"
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}
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object js {
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val jQuery = "2.1.4"
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val react = "0.14.2"
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}
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object server {
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val silhouette = "3.0.4"
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val macwire = "2.1.0"
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val playScripts = "0.3.0"
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}
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}

‎project/build.properties

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sbt.version = 0.13.8

‎project/plugins.sbt

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logLevel := Level.Warn
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resolvers += "Typesafe Releases" at "http://repo.typesafe.com/typesafe/releases/"
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addSbtPlugin("com.typesafe.sbt" % "sbt-less" % "1.0.6")
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addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.5")
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addSbtPlugin("com.typesafe.sbt" % "sbt-native-packager" % "1.0.0")
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addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.4.3")
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addSbtPlugin("com.vmunier" % "sbt-play-scalajs" % "0.2.8")

‎server/src/main/assets/main.less

Whitespace-only changes.

‎server/src/main/resources/application.conf

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play.application.loader = "GlobalApplicationLoader"
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//play.i18n.langs = [ "en" ]
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play.http.parser.maxMemoryBuffer = 512k
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play.http.parser.maxDiskBuffer = 1g

‎server/src/main/scala/GlobalApplicationLoader.scala

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import com.softwaremill.macwire._
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import controllers.{ApiController, Assets, DemoController}
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import play.api.ApplicationLoader.Context
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import play.api.routing.Router
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import play.api.routing.sird._
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import play.api.{Application, ApplicationLoader, BuiltInComponents, BuiltInComponentsFromContext}
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/**
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* Global application context
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*/
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class GlobalApplicationLoader extends ApplicationLoader {
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override def load(context: Context): Application = (new BuiltInComponentFromContextWithPlayWorkaround(context) with ApplicationComponents).application
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}
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abstract class BuiltInComponentFromContextWithPlayWorkaround(context: Context) extends BuiltInComponentsFromContext(context) {
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import play.api.inject.{Injector, NewInstanceInjector, SimpleInjector}
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import play.api.libs.Files.DefaultTemporaryFileCreator
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lazy val defaultTemporaryFileCreator = new DefaultTemporaryFileCreator(applicationLifecycle)
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override lazy val injector: Injector = new SimpleInjector(NewInstanceInjector) + router + crypto + httpConfiguration + defaultTemporaryFileCreator
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}
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trait ApplicationComponents extends BuiltInComponents with Controllers {
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lazy val assets: Assets = wire[Assets]
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lazy val router: Router = Router.from {
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case GET(p"/") => applicationController.index
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}
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}
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trait Controllers extends BuiltInComponents {
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lazy val applicationController = wire[DemoController]
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lazy val apiController = wire[ApiController]
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}

‎server/src/main/scala/controllers/ApiController.scala

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package controllers
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import demo.SampleApi
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import play.api.mvc.Action
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import service.SampleApiImpl
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/**
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* API Controller
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* Each request will create a SampleApiImpl instance.
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* It's necessary if you want to set the user in the constructor, otherwise you can use singleton
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*/
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class ApiController extends ServiceController {
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def userApi(path: String) = Action.async(parse.raw) { implicit request =>
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internalRoute(path, request) {
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Router.route[SampleApi](new SampleApiImpl())
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}
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}
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}

‎server/src/main/scala/controllers/DemoController.scala

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package controllers
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import play.api.mvc._
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import scala.concurrent.ExecutionContext.Implicits.global
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import scala.concurrent.Future
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class DemoController extends Controller {
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def index = Action.async(Future(Ok(views.html.index("SPA tutorial"))))
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}

‎server/src/main/scala/controllers/ServiceController.scala

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package controllers
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import java.nio.ByteBuffer
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import boopickle.Default._
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import boopickle.Pickler
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import play.api.mvc.{Controller, RawBuffer, Request}
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import scala.concurrent.ExecutionContext.Implicits.global
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/**
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* Autowire router
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*/
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object Router extends autowire.Server[ByteBuffer, Pickler, Pickler] {
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override def read[R: Pickler](p: ByteBuffer) = Unpickle[R].fromBytes(p)
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override def write[R: Pickler](r: R) = Pickle.intoBytes(r)
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}
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trait ServiceController extends Controller {
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/**
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* Helper for internal routing
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* @param path
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* @param request
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* @param router
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* @return
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*/
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protected def internalRoute(path: String, request: Request[RawBuffer])(router: => Router.Router) = {
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val b = request.body.asBytes(parse.UNLIMITED).get
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router(
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autowire.Core.Request(path.split("/"), Unpickle[Map[String, ByteBuffer]].fromBytes(ByteBuffer.wrap(b)))
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).map(buffer => {
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val data = Array.ofDim[Byte](buffer.remaining())
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buffer.get(data)
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Ok(data)
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})
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}
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}

‎server/src/main/scala/service/SampleApiImpl.scala

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package service
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import demo.SampleApi
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/**
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* Created by Janos on 12/9/2015.
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*/
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class SampleApiImpl extends SampleApi {
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override def echo(name: String): String = s"Echoed: ${name}"
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}

‎server/src/main/twirl/views/index.scala.html

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@(title: String)
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>@title</title>
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<meta content='width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no' name='viewport'>
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<link rel="stylesheet" media="screen" href="/assets/stylesheets/main.min.css">
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<link rel="stylesheet" href="/assets/material/material.css">
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<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
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<link rel="shortcut icon" type="image/png" href="/assets/images/favicon.png">
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</head>
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<body>
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<div id="container">
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</div>
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@playscalajs.html.scripts("client")
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<script src="/assets/material/material.js"></script>
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</body>
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</html>

‎shared/src/main/scala/demo/SampleApi.scala

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package demo
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trait SampleApi {
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def echo(name: String): String
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}

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