gistfile1.txt

  @js.native
  trait Props extends js.Object {
    var value: String = js.native
    var index: Int = js.native
    var key: String = js.native
  }

  case class ScalaProps(val value:String, val index:Int, val key:String)

  // how do i convert ScalaProps to Props ?

  def testCompBScala(sp:ScalaProps)={
    val p=js.use(sp).as[Props]
    TestCompB(p)
  }
  
  
  gives :
  
  
104. Waiting for source changes... (press enter to interrupt)
[info] Compiling 1 Scala source to /Users/joco/dev/scala.js/react/sjs-playaround/stable/target/scala-2.11/classes...
[error] /Users/joco/dev/scala.js/react/sjs-playaround/stable/src/main/scala/example/ScalaJSExample.scala:80: example.SortableItem.ScalaProps does not export a setter value: String.
[error]     val p=js.use(sp).as[Props]
[error]                        ^
[error] one error found
[error] (compile:compileIncremental) Compilation failed
[error] Total time: 1 s, completed Nov 29, 2016 10:11:07 PM
105. Waiting for source changes... (press enter to interrupt)

for line 13 here