private[this] def toLibraryToggles()

in server/src/main/scala/com/twitter/server/handler/ToggleHandler.scala [324:347]

• 20 lines of code
• 4 McCabe index (conditional complexity)

  private[this] def toLibraryToggles(toggleMap: ToggleMap): Seq[LibraryToggle] = {
    // create a map of id to metadata for faster lookups
    val idToMetadata = toggleMap.iterator.map { md => md.id -> md }.toMap

    // create a mapping of id to a seq of its components.
    val idToComponents = mutable.Map.empty[String, mutable.ArrayBuffer[Component]]
    ToggleMap.components(toggleMap).foreach { tm =>
      tm.iterator.foreach { md =>
        val components: mutable.ArrayBuffer[Component] =
          idToComponents.getOrElse(md.id, mutable.ArrayBuffer.empty[Component])
        idToComponents.put(md.id, components += Component(md.source, md.fraction))
      }
    }

    idToComponents.map {
      case (id, details) =>
        val md = idToMetadata(id)
        val lastApply = toggleMap(id) match {
          case captured: Toggle.Captured => captured.lastApply
          case _ => None
        }
        LibraryToggle(Current(id, md.fraction, lastApply, md.description), details.toSeq)
    }.toSeq
  }