I have some scala.js unit tests written in utest. They all run just fine from the sbt build, however I would like to be able to step through the unit tests in a debugger. Using my favorite IDE (int...

I'm in library dependency hell right now with the following error: [error] (server / update) found version conflict(s) in library dependencies; some are suspected to be binary incompatible: [error]...

I tried posting this question to Scala Users but no reply yet. How does one go about working with the new experimental Scala 3 with Scala.JS? I can’t find cogent instructions. Shockingly there’s no...

I am using Leaflet with scalajs-leaflet facade on Binding.scala, and the map initializes/appears incorrectly. In order to reproduce the issue, i have prepared a lihaoyi/workbench page similar to ...

I want to point to a different location and file name and deviate from the Vite standard. Let's say my js file is in out/frontend/../../out.js. I got it working when I rename it to main.js and copy...

Does scala.js work with scala ZIO? I'm looking to use scala ZIO with scala.js I only know how to use scala ZIO in normal apps does anyone know how to use it with scala.js?

A JSON string: { "name": "Mike", "age": 111 } A case class: case class User(name:String, age:Int) If I use scala, there are many libraries can let me convert the JSON to the case class and ...

I'd like to use Scala.js to write libraries to then use in web applications written in TypeScript. This requires TypeScript type bindings (*.d.ts file) to be generated by Scala.js for my library. D...

Here is an example from the Hands-on Scala.js ebook: package webpage import org.scalajs.dom.ext.Ajax import scala.scalajs.js import scala.scalajs.js.annotation.JSExport import scalatags.JsDom.al...

When using Scala.js 0.6.20 (addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.20") in project/plugins.sbt), the following error happens when trying to sbt import the project using sbt 0.13.15: ja...

After migrating to ScalaJS 0.6.23 from 0.6.21: (addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.23")) My sbt-build throws the following exception: ... [error] /Users/mpa/dev/Github/pme123/sca...

Please consider a Scala.js class that contains a large JavaScript typed array called xArr. A process called p(xArr) consumes xArr as input but takes a long time to complete. In order to avoid scri...

I am using uPickle/ScalaJS to deserialize a js.Dynamic object into a case class using this code fragment: read[myClass](JSON.stringify(dynObj)) where myClass is the case class and dynObj is the ...

So by reading the reasons why facebook choose OCaml to create Reason, I couldn't stop noting that Scala met all the requirements too. I'm not biased whatsoever, I know Scala, but I'm not a die hard...

While I love Scala the language, and Scala.js the project, I'm a little put-off by the size of the eventual JS bundle, even in fullOptJS mode. My immediate need is to create a small-ish library f...

Say I have two sub-projects, lib1 and lib2 with build.sbts that look like this: lazy val libX = crossProject.in(file(".")).settings( ... // a bunch of settings ).jvmSettings( ... // a bunch of s...

Is it possible to sleep inside a Future in Scala.js ? Something like: Future { Thread.sleep(1000) println("ready") } If I try this then I get an exception saying that sleep method does not ex...

I'm frustrated by unintelligible stacktraces when my Scala.js code throws an exception. I thought I had a solution using a Javascript library (see Getting a scala stacktrace) but it breaks too ofte...

Suppose I have this definition in Scala.js for the return type of a function of some library I'm using: @native trait Link extends Object { val href: String = native val title: String = native }...

I would like to develop some of the webcomponents in a Polymer 2.0 project with scala.js. While there is a wonderful demo-project on github demonstrating how it works with Polymer 1.0. I cannot get...

When adding Scala.JS dependencies in SBT you use %%%. E.g. libraryDependencies += "be.doeraene" %%% "scalajs-jquery" % "0.9.0" How is this done in the Gradle Scala plugin?

When my scala-js code throws an error, I'd like to send a sensible stacktrace back to my server to put in the logs. By "sensible stacktrace" I mean something that gives the Scala methods, filenames...

Please consider a scala.js application which runs in the browser and consists of a main program and a web worker. The main thread delegates long running operations to the web worker by passing mes...

In a Scala.js unit test, what is the easiest solution to load test data from a file residing in test/resources?

How does Binding.scala compare to the concept described here? Apart from the design descriptions one might compare their implementations of TodoMVC: Binding.scala Scala.Rx + ScalaTags Edit: By...