private def spanString()

in src/scala/generator/src/main/scala/EmojiInfoGeneratedView.scala [131:156]

• 19 lines of code
• 8 McCabe index (conditional complexity)

  private def spanString(seq: Seq[(Int, Int)]): String = {
    seq match {
      case Nil => ""

      // Singleton item (no need to make a char group)
      case (start, end) :: Nil if (start == end) => unicodePattern(start)

      // A char group with at least 2 items
      case _ =>
        seq
          .map {
            case (start, end) =>
              if (start == end) {
                // Singleton item in a group
                unicodePattern(start)
              } else if (start + 1 == end) {
                // Adjacent items in a group, no need to make a range
                unicodePattern(start) + unicodePattern(end)
              } else {
                // Range of items in a group
                unicodePattern(start) + "-" + unicodePattern(end)
              }
          }
          .mkString("[", "", "]")
    }
  }