NativeStyles.scala

//style attr ( flex,padding,..)
case class NativeStyle[T](name : String) {
  def := (v :T) = new NativeStylePair[T](name,v)
}

// style attr and value pair (flex = 1 , alignItems = center)
case class NativeStylePair[T](key : String ,value : T)

// define supported css attrs with corresponding type
trait NativeAttrs {
  val flex = new NativeStyle[Int]("flex")

  object alignItems extends NativeStyle[String]("alignItems") {
    val center = this := "center"
  }
}
 //base stylesheet
trait NativeStyleSheet {

  object dsl extends NativeAttrs {
  }

// i want to accept all pairs in style def method 
 //as NativeStylePair typed compiler failing here whats the best way to acheive this ..
  def style(v: NativeStylePair*) = { 
    val p = js.Dictionary.empty[Any]
    v.foreach(t => p.update(t.key, t.value))
    p
  }
}

// realworld example
  object Styles extends  NativeStyleSheet {
    import dsl._
    val container = style(flex := 1,
      alignItems.center)
  }