Step 1: Setup

Author: gzm0

build.sbt

@@ -0,0 +1,7 @@
+enablePlugins(ScalaJSPlugin)
+
+name := "Scala.js Tutorial"
+scalaVersion := "2.13.13"
+
+// This is an application with a main method
+scalaJSUseMainModuleInitializer := true

project/build.properties

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+sbt.version=1.9.9

project/plugins.sbt

@@ -0,0 +1 @@
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.16.0")

src/main/scala/tutorial/webapp/TutorialApp.scala

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+package tutorial.webapp
+
+object TutorialApp {
+  def main(args: Array[String]): Unit = {
+    println("Hello world!")
+  }
+}