1 files changed, 31 insertions, 0 deletions
diff --git a/examples/scala-js/project/project/ScalaJSEnvGenerator.scala b/examples/scala-js/project/project/ScalaJSEnvGenerator.scala
new file mode 100644
index 0000000..a36479f
--- /dev/null
+++ b/examples/scala-js/project/project/ScalaJSEnvGenerator.scala
@@ -0,0 +1,31 @@
+import sbt._
+
+object ScalaJSEnvGenerator {
+
+  /** Generate a *.scala file that contains the scalajsenv as literal string
+   *
+   *  We need this so the tools don't rely on I/O and/or resources.
+   */
+  def generateEnvHolder(baseDir: File, sourceDir: File): Seq[File] = {
+    val trg = sourceDir / "ScalaJSEnvHolder.scala"
+    val env = baseDir / "scalajsenv.js"
+
+    if (!trg.exists() || trg.lastModified() < env.lastModified()) {
+      val scalajsenv = IO.read(env).replaceAllLiterally("$", "$$")
+
+      val scalaCode =
+        s"""
+        package scala.scalajs.tools.corelib
+
+        private[corelib] object ScalaJSEnvHolder {
+          final val scalajsenv = raw\"\"\"$scalajsenv\"\"\"
+        }
+        """
+
+      IO.write(trg, scalaCode)
+    }
+
+    Seq(trg)
+  }
+
+}