mdoc:js playground for scalafmt

ScalafmtPlayground.scala

package jsdocs

import mhtml._
import org.scalafmt._
import org.scalajs.dom.raw.Element
import scala.scalajs.js

object ScalafmtPlayground {
  def mount(node: Element): Unit = {
    val start = """
value match {
  case StringGCValue(string) => ps.setString(index, string)
  case BooleanGCValue(boolean) => ps.setBoolean(index, boolean)
  case IntGCValue(int) => ps.setInt(index, int)
  case FloatGCValue(float) => ps.setDouble(index, float)
  case StringIdGCValue(id) => ps.setString(index, id)
  case UuidGCValue(uuid) => ps.setObject(index, uuid)
}
""".trim
    val code = Var(start)
    val maxColumn = Var(60)
    val formatted = code.zip(maxColumn).map {
      case (text, column) =>
        val c = config.ScalafmtConfig.default.forSbt.copy(maxColumn = column)
        Scalafmt.format(text, c).toEither.fold(_.toString, _.toString)
    }
    def handler(event: js.Dynamic): Unit =
      code := event.target.value.asInstanceOf[String]
    def sliderHandler(event: js.Dynamic): Unit =
      try maxColumn := event.target.value.asInstanceOf[String].toInt
      catch { case _: Throwable => }
    mhtml.mount(
      node,
      <div>
        <textarea oninput={handler _} rows="10" cols="80">{start}</textarea>
        <p>
          <code>maxColumn</code>:
          <input type="range" min="1" max="80" value="60"  oninput={sliderHandler _}/>
          {maxColumn}
        </p>
        <pre><code>{formatted}</code></pre>
      </div>
    )
  }
}