Enable Scala.js on 2.13.0-M4

Author: lrytz

.travis.yml

@@ -16,13 +16,11 @@ env:
     - secure: "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"
   matrix:
     - SCALAJS_VERSION=
-    - SCALAJS_VERSION=0.6.22
+    - SCALAJS_VERSION=0.6.23
     - SCALAJS_VERSION=1.0.0-M3
 
 matrix:
   exclude:
-    - scala: 2.13.0-M4
-      env: SCALAJS_VERSION=0.6.22
     - scala: 2.13.0-M4
       env: SCALAJS_VERSION=1.0.0-M3
   include:

project/plugins.sbt

@@ -1,5 +1,5 @@
 val scalaJSVersion =
-  Option(System.getenv("SCALAJS_VERSION")).filter(_.nonEmpty).getOrElse("0.6.22")
+  Option(System.getenv("SCALAJS_VERSION")).filter(_.nonEmpty).getOrElse("0.6.23")
 
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % scalaJSVersion)
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "0.4.0")