In Play, how to copy js files from ScalaJS client to server?

Question

I'm trying to write an app that's part ScalaJS and part Play framework. I'm using the ScalaJS bundler. It's bundling my JavaScript fine and I can see the resulting files where they are supposed to go.

But I noticed that only client-jsdeps.js and client-fastopt.js are available to the app. The reason for that is that their are the only files that are copied to the path server/target/web/public/main. I have looked everywhere I could think, sbt build files, config files, everywhere, and I could not find why those files are copied over and no other. I'd like the -bundle files to be copied instead. Where is that setting?

It is worth noting that the two files that are packaged with the app do not appear in the user-editable path, server/public/js, they are copied directly to the WAR file and therefore visible in the target directory.

Answer 1

From the documentation:

For sbt-web integration use the sbt-web-scalajs-bundler plugin instead of sbt-scalajs-bundler:

addSbtPlugin("ch.epfl.scala" % "sbt-web-scalajs-bundler" % "0.13.1")

Then, enable the WebScalaJSBundlerPlugin on the project that uses sbt-web:

lazy val server = project
  .settings(
    scalaJSProjects := Seq(client),
    pipelineStages in Assets := Seq(scalaJSPipeline)
  )
  .enablePlugins(WebScalaJSBundlerPlugin)

lazy val client = project.enablePlugins(ScalaJSBundlerPlugin, ScalaJSWeb)

You also need to setup the ScalaJSBundlerPlugin on the Scala.js project, as described in the preceding section, and the sbt-web-scalajs plugins as described in their documentation.

The WebScalaJSBundlerPlugin plugin automatically configures the scalaJSPipeline task to use the bundles rather than the output of the Scala.js compilation.

You can see a complete example here.

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Do you follow that guide?