Run tests on scala 3

.envrc

@@ -0,0 +1,3 @@
+use flake
+layout node
+eval "$shellHook"

.gitignore

@@ -33,3 +33,4 @@ tzdb/js/src/main/resources/
 /threetenbp.iml
 .metaserver/
 project/metals.sbt
+.direnv/

build.sbt

@@ -45,7 +45,7 @@ lazy val sbt_tzdb = project
   .settings(
     name := "sbt-tzdb",
     libraryDependencies ++= Seq(
-      "io.github.cquiroz" %% "kuyfi"            % "1.5.2",
+      "io.github.cquiroz" %% "kuyfi"            % "1.5.3",
       "org.apache.commons" % "commons-compress" % "1.24.0",
       "com.eed3si9n"      %% "gigahorse-okhttp" % "0.7.0",
       "org.typelevel"     %% "cats-core"        % "2.10.0",

flake.nix

@@ -0,0 +1,28 @@
+{
+  inputs = {
+    typelevel-nix.url = "github:typelevel/typelevel-nix";
+    nixpkgs.follows = "typelevel-nix/nixpkgs";
+    flake-utils.follows = "typelevel-nix/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils, typelevel-nix }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs-x86_64 = import nixpkgs { system = "x86_64-darwin"; };
+        scala-cli-overlay = final: prev: { scala-cli = pkgs-x86_64.scala-cli; };
+        pkgs = import nixpkgs {
+          inherit system;
+          overlays = [ typelevel-nix.overlay scala-cli-overlay ];
+        };
+      in {
+        devShell = pkgs.devshell.mkShell {
+          imports = [ typelevel-nix.typelevelShell ];
+          typelevelShell = {
+            nodejs.enable = true;
+            jdk.package = pkgs.jdk8;
+          };
+        };
+      }
+
+    );
+}

sbt-tzdb/src/sbt-test/sbt-tzdb/jvm/build.sbt

@@ -3,9 +3,9 @@ name := "tzdb"
 enablePlugins(TzdbPlugin)
 enablePlugins(ScalaJSPlugin)
 
-scalaVersion := "2.13.1"
+scalaVersion := "2.13.14"
 
-crossScalaVersions := Seq("2.13.1", "2.12.10")
+crossScalaVersions := Seq("2.13.14", "2.12.10", "3.4.1")
 
 tzdbPlatform := TzdbPlugin.Platform.Jvm
 
@@ -20,6 +20,6 @@ lazy val commonSettings = Seq(
 )
 
 libraryDependencies ++= Seq(
-  "org.portable-scala" %%% "portable-scala-reflect" % "1.0.0",
-  "io.github.cquiroz" %%% "scala-java-time" % "2.0.0-RC3"
+  ("org.portable-scala" %%% "portable-scala-reflect" % "1.1.2").cross(CrossVersion.for3Use2_13),
+  "io.github.cquiroz"  %%% "scala-java-time"        % "2.5.0"
 )

sbt-tzdb/src/sbt-test/sbt-tzdb/jvm/project/plugins.sbt

@@ -1,3 +1,3 @@
 addSbtPlugin("io.github.cquiroz" % "sbt-tzdb" % sys.props.getOrElse("plugin.version", sys.error("'plugin.version' environment variable is not set")))
 
-addSbtPlugin("org.scala-js"      % "sbt-scalajs"  % "0.6.32")
+addSbtPlugin("org.scala-js"      % "sbt-scalajs"  % "1.16.0")

sbt-tzdb/src/sbt-test/sbt-tzdb/no-filtering/build.sbt

@@ -3,9 +3,9 @@ name := "tzdb"
 enablePlugins(TzdbPlugin)
 enablePlugins(ScalaJSPlugin)
 
-scalaVersion := "2.13.1"
+scalaVersion := "2.13.14"
 
-crossScalaVersions := Seq("2.13.1", "2.12.10")
+crossScalaVersions := Seq("2.13.14", "2.12.10", "3.4.1")
 
 val zonesFilterFn = {(z: String) => z == "America/Santiago" || z == "Pacific/Honolulu"}
 
@@ -22,5 +22,5 @@ lazy val commonSettings = Seq(
 )
 
 libraryDependencies ++= Seq(
-  "io.github.cquiroz" %%% "scala-java-time" % "2.0.0-RC3"
+  "io.github.cquiroz" %%% "scala-java-time" % "2.5.0"
 )

sbt-tzdb/src/sbt-test/sbt-tzdb/no-filtering/project/plugins.sbt

@@ -1,3 +1,3 @@
 addSbtPlugin("io.github.cquiroz" % "sbt-tzdb" % sys.props.getOrElse("plugin.version", sys.error("'plugin.version' environment variable is not set")))
 
-addSbtPlugin("org.scala-js"      % "sbt-scalajs"  % "0.6.32")
+addSbtPlugin("org.scala-js"      % "sbt-scalajs"  % "1.16.0")