Upgrade to Scala.js 1.15.0.

Author: sjrd

compiler/test/dotty/Properties.scala

@@ -103,6 +103,9 @@ object Properties {
   /** scalajs-javalib jar */
   def scalaJSJavalib: String = sys.props("dotty.tests.classes.scalaJSJavalib")
 
+  /** scalajs-scalalib jar */
+  def scalaJSScalalib: String = sys.props("dotty.tests.classes.scalaJSScalalib")
+
   /** scalajs-library jar */
   def scalaJSLibrary: String = sys.props("dotty.tests.classes.scalaJSLibrary")
 }

compiler/test/dotty/tools/vulpix/TestConfiguration.scala

@@ -52,6 +52,7 @@ object TestConfiguration {
 
   lazy val scalaJSClasspath = mkClasspath(List(
     Properties.scalaJSJavalib,
+    Properties.scalaJSScalalib,
     Properties.scalaJSLibrary,
     Properties.dottyLibraryJS
   ))

project/Build.scala

@@ -1649,6 +1649,7 @@ object Build {
         Seq(
           "-Ddotty.tests.classes.dottyLibraryJS=" + dottyLibraryJSJar,
           "-Ddotty.tests.classes.scalaJSJavalib=" + findArtifactPath(externalJSDeps, "scalajs-javalib"),
+          "-Ddotty.tests.classes.scalaJSScalalib=" + findArtifactPath(externalJSDeps, "scalajs-scalalib_2.13"),
           "-Ddotty.tests.classes.scalaJSLibrary=" + findArtifactPath(externalJSDeps, "scalajs-library_2.13"),
         )
       },

project/plugins.sbt

@@ -6,7 +6,7 @@
 libraryDependencySchemes +=
   "org.scala-lang.modules" %% "scala-xml" % VersionScheme.Always
 
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.14.0")
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.15.0")
 
 addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "3.9.21")