refactor challenge

gistfile1.scala

object PathList {
  def unapplySeq(path: String): Option[Seq[String]] = 
    if(path.isEmpty) None
    else Some(path.split("/"))
}


def testMatch(str: String): Boolean = str match {
  case PathList("org", "scalaconsole", "fxui", "main", "ace-builds", sub) => true
  case PathList("org", "scalaconsole", "fxui", "main", "ace-builds", sub, xs@_*) if sub != "src-min-noconflict" => true
  case PathList("org", "scalaconsole", "fxui", "main", "ace-builds", "src-min-noconflict", mode) if mode.startsWith("mode-") && mode != "mode-scala.js" || mode.startsWith("worker-") => true
  case PathList("org", "scalaconsole", "fxui", "main", "ace-builds", "src-min-noconflict", "snippets", snippet) if snippet != "scala.js" => true
  case _ => false
}

assert(testMatch("org/scalaconsole/fxui/main/ace-builds/a.file"))
assert(testMatch("org/scalaconsole/fxui/main/ace-builds/sub/b.file"))
assert(!testMatch("org/scalaconsole/fxui/main/ace-builds/src-min-noconflict/c.file"))
assert(testMatch("org/scalaconsole/fxui/main/ace-builds/src-min-noconflict/mode-d.file"))
assert(testMatch("org/scalaconsole/fxui/main/ace-builds/src-min-noconflict/worker-e.file"))
assert(!testMatch("org/scalaconsole/fxui/main/ace-builds/src-min-noconflict/mode-scala.js"))
assert(testMatch("org/scalaconsole/fxui/main/ace-builds/src-min-noconflict/snippets/f.js"))
assert(!testMatch("org/scalaconsole/fxui/main/ace-builds/src-min-noconflict/snippets/scala.js"))