redeagle47 redeagle47 - 1 year ago 70
Scala Question

ScalaJS IntelliJ won't recognize my library

I'm trying to use the Scalatags library, but IntelliJ won't acknowledge certain parts of the library. I have it in my build.sbt like so:

libraryDependencies += "com.lihaoyi" %% "scalatags" % "0.6.0"

In my source file, I'm importing the library like so:

import scalatags.JsDom.all._

which is exactly how it's shown in the docs here:

But IntelliJ won't acknowledge JsDom as part of the scalatags library. If I use

import scalatags.Text.all._

there's no problem. But JsDom isn't recognized, and doesn't come up as a suggestion while typing.

What am I doing wrong?

Answer Source

%% uses the JVM version of the library. You need to use the platform-dependent version with %%%, like this:

libraryDependencies += "com.lihaoyi" %%% "scalatags" % "0.6.0"

This will select the JS version of the library if your project is a Scala.js project, thereby providing JS-specific parts of the API, such as scalatags.JsDom.

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