Upgrade to scalatex 0.3.9.

Author: sjrd

build.sbt

@@ -105,13 +105,14 @@ pomExtra := (
 pomIncludeRepository := { _ => false }
 
 lazy val readme = ScalatexReadme(
-  folder = "readme",
+  projectId = "readme",
+  wd = file(""),
   url = "https://github.com/scala-js/scala-js-dom/tree/master",
   source = "Index",
-  targetFolder = "target/site",
   autoResources = Seq("example-opt.js")
 ).settings(
   scalaVersion := "2.11.12",
+  scalacOptions ++= Seq("-deprecation", "-feature", "-Xfatal-warnings"),
   (resources in Compile) += (fullOptJS in (example, Compile)).value.data
 )
 

project/build.sbt

@@ -3,6 +3,6 @@ val scalaJSVersion =
 
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % scalaJSVersion)
 
-addSbtPlugin("com.lihaoyi" % "scalatex-sbt-plugin" % "0.2.1")
+addSbtPlugin("com.lihaoyi" % "scalatex-sbt-plugin" % "0.3.9")
 
 addSbtPlugin("com.geirsson" % "sbt-scalafmt" % "0.6.8")

readme/Index.scalatex

@@ -17,7 +17,7 @@
   div(
     div(width:="50%", float.left)(
       hl.ref(
-        cwd/'example/'src/'main/'scala/'example/"Example.scala",
+        pwd/'example/'src/'main/'scala/'example/"Example.scala",
         Seq(s"object $example", "main")
       )
     ),