Ability to lift a ScalaVersion from a String

typelevel · Oct 1, 2023 · 254928d · 254928d
1 parent 9953268
commit 254928d
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/lib/src/main/scala/org/typelevel/scalacoptions/ScalaVersion.scala b/lib/src/main/scala/org/typelevel/scalacoptions/ScalaVersion.scala
@@ -44,6 +44,17 @@ object ScalaVersion {
   val V3_3_0   = ScalaVersion(3, 3, 0)
   val V3_3_1   = ScalaVersion(3, 3, 1)
 
+  private val versionRegex = raw"""(\d+)\.(\d+)\.(\d+)""".r
+  def fromString(version: String): Either[IllegalArgumentException, ScalaVersion] =
+    version match {
+      case versionRegex(major, minor, patch) =>
+        Right(ScalaVersion(major.toLong, minor.toLong, patch.toLong))
+      case _ => Left(new IllegalArgumentException(s"Scala version $version not recognized"))
+    }
+
+  def unsafeFromString(version: String): ScalaVersion =
+    fromString(version).fold(throw _, identity)
+
   implicit val scalaVersionOrdering: Ordering[ScalaVersion] =
     Ordering.by(version => (version.major, version.minor, version.patch))
 }