--- a/build.sc	Tue Jan 31 16:46:11 2023 +0100
+++ b/build.sc	Tue Jan 31 20:47:44 2023 +0100
@@ -1,3 +1,14 @@
+/*
+ * REPL:
+ *
+ * ./mill --repl -w
+ *
+ * Generate Idea project:
+ *
+ * ./mill mill.scalalib.GenIdea/idea
+ *
+ */
+
 import mill._
 import mill.api.Loose
 import mill.define.{Command, Target}
@@ -7,13 +18,14 @@
 
 object V {
   val visjs = "0.3-SNAPSHOT"
-  val scalaJs = "0.6.28"
+  val scalaJs = "1.12.0"
   val scala211 = "2.11.12"
-  val scala212 = "2.12.9"
+  val scala212 = "2.12.17"
+  val scala213 = "2.13.10"
 }
 
 object D {
-  val scalaJsDom = ivy"org.scala-js::scalajs-dom::0.9.7"
+  val scalaJsDom = ivy"org.scala-js::scalajs-dom::2.3.0"
 }
 
 class VisJs(val crossScalaVersion: String) extends CrossScalaModule with
@@ -43,31 +55,34 @@
     "-explaintypes",                     // Explain type errors in more detail.
     "-feature",                          // Emit warning and location for usages of features that should be imported explicitly.
     "-language:higherKinds",             // Allow higher-kinded types
-    "-language:implicitConversions",     // Allow definition of implicit functions called views
-    "-language:reflectiveCalls",
-    "-language:postfixOps",
     "-unchecked",                        // Enable additional warnings where generated code depends on assumptions.
-    "-Xcheckinit",                       // Wrap field accessors to throw an exception on uninitialized access.
-    "-Xfuture",                          // Turn on future language features.
-    "-target:jvm-1.8",
-    "-P:scalajs:sjsDefinedByDefault"
+    "-Xcheckinit"                        // Wrap field accessors to throw an exception on uninitialized access.
   )}
 
   override def ivyDeps: Target[Loose.Agg[Dep]] = Agg(D.scalaJsDom)
 
 }
 
-object visjs extends Cross[VisJs](V.scala211, V.scala212)
+object visjs extends Cross[VisJs](V.scala211, V.scala212, V.scala213)
+
+def compileAll(): Command[Unit] = T.command{
+  visjs(V.scala211).compile()
+  visjs(V.scala212).compile()
+  visjs(V.scala213).compile()
+  ()
+}
 
 def publishLocal(): Command[Unit] = T.command{
   visjs(V.scala211).publishLocal()()
   visjs(V.scala212).publishLocal()()
+  visjs(V.scala213).publishLocal()()
   ()
 }
 
 def publishM2Local(p: os.Path): Command[Unit] = T.command{
   visjs(V.scala211).publishM2Local(p.toString)()
   visjs(V.scala212).publishM2Local(p.toString)()
+  visjs(V.scala213).publishM2Local(p.toString)()
   ()
 }
 

--- a/mill	Tue Jan 31 16:46:11 2023 +0100
+++ b/mill	Tue Jan 31 20:47:44 2023 +0100
@@ -3,14 +3,19 @@
 # This is a wrapper script, that automatically download mill from GitHub release pages
 # You can give the required mill version with MILL_VERSION env variable
 # If no version is given, it falls back to the value of DEFAULT_MILL_VERSION
-DEFAULT_MILL_VERSION=0.6.3
 
 set -e
 
+if [ -z "${DEFAULT_MILL_VERSION}" ] ; then
+  DEFAULT_MILL_VERSION=0.10.10
+fi
+
 if [ -z "$MILL_VERSION" ] ; then
   if [ -f ".mill-version" ] ; then
     MILL_VERSION="$(head -n 1 .mill-version 2> /dev/null)"
-  elif [ -f "mill" ] && [ "$BASH_SOURCE" != "mill" ] ; then
+  elif [ -f ".config/mill-version" ] ; then
+    MILL_VERSION="$(head -n 1 .config/mill-version 2> /dev/null)"
+  elif [ -f "mill" ] && [ "$0" != "mill" ] ; then
     MILL_VERSION=$(grep -F "DEFAULT_MILL_VERSION=" "mill" | head -n 1 | cut -d= -f2)
   else
     MILL_VERSION=$DEFAULT_MILL_VERSION
@@ -28,13 +33,14 @@
 MILL_MAJOR_VERSION="${version_remainder%%.*}"; version_remainder="${version_remainder#*.}"
 MILL_MINOR_VERSION="${version_remainder%%.*}"; version_remainder="${version_remainder#*.}"
 
-if [ ! -x "$MILL_EXEC_PATH" ] ; then
-  mkdir -p $MILL_DOWNLOAD_PATH
+if [ ! -s "$MILL_EXEC_PATH" ] ; then
+  mkdir -p "$MILL_DOWNLOAD_PATH"
   if [ "$MILL_MAJOR_VERSION" -gt 0 ] || [ "$MILL_MINOR_VERSION" -ge 5 ] ; then
     ASSEMBLY="-assembly"
   fi
   DOWNLOAD_FILE=$MILL_EXEC_PATH-tmp-download
-  MILL_DOWNLOAD_URL="https://github.com/lihaoyi/mill/releases/download/${MILL_VERSION%%-*}/$MILL_VERSION${ASSEMBLY}"
+  MILL_VERSION_TAG=$(echo $MILL_VERSION | sed -E 's/([^-]+)(-M[0-9]+)?(-.*)?/\1\2/')
+  MILL_DOWNLOAD_URL="https://github.com/lihaoyi/mill/releases/download/${MILL_VERSION_TAG}/$MILL_VERSION${ASSEMBLY}"
   curl --fail -L -o "$DOWNLOAD_FILE" "$MILL_DOWNLOAD_URL"
   chmod +x "$DOWNLOAD_FILE"
   mv "$DOWNLOAD_FILE" "$MILL_EXEC_PATH"
@@ -42,7 +48,18 @@
   unset MILL_DOWNLOAD_URL
 fi
 
+if [ -z "$MILL_MAIN_CLI" ] ; then
+  MILL_MAIN_CLI="${0}"
+fi
+
+MILL_FIRST_ARG=""
+if [ "$1" = "--bsp" ] || [ "$1" = "-i" ] || [ "$1" = "--interactive" ] || [ "$1" = "--no-server" ] || [ "$1" = "--repl" ] || [ "$1" = "--help" ] ; then
+  # Need to preserve the first position of those listed options
+  MILL_FIRST_ARG=$1
+  shift
+fi
+
 unset MILL_DOWNLOAD_PATH
 unset MILL_VERSION
 
-exec $MILL_EXEC_PATH "$@"
+exec $MILL_EXEC_PATH $MILL_FIRST_ARG -D "mill.main.cli=${MILL_MAIN_CLI}" "$@"