1 files changed, 25 insertions, 0 deletions
diff --git a/examples/scala-js/ir/src/main/scala/scala/scalajs/ir/ScalaJSVersions.scala b/examples/scala-js/ir/src/main/scala/scala/scalajs/ir/ScalaJSVersions.scala
new file mode 100644
index 0000000..2690939
--- /dev/null
+++ b/examples/scala-js/ir/src/main/scala/scala/scalajs/ir/ScalaJSVersions.scala
@@ -0,0 +1,25 @@
+package scala.scalajs.ir
+
+object ScalaJSVersions {
+
+  /** the Scala.js version of this build */
+  final val current = "0.6.0-SNAPSHOT"
+
+  /** true iff the Scala.js version of this build is a snapshot version. */
+  final val currentIsSnapshot = current endsWith "-SNAPSHOT"
+
+  /** Version of binary IR this Scala.js version emits
+   *
+   *  This should be either of:
+   *  - a prior release version (i.e. "0.5.0", *not* "0.5.0-SNAPSHOT")
+   *  - `current`
+   */
+  final val binaryEmitted = current
+
+  /** Versions whose binary files we can support (used by deserializer) */
+  val binarySupported: Set[String] = Set(binaryEmitted)
+
+  // Just to be extra safe
+  assert(binarySupported contains binaryEmitted)
+
+}