def toggleFavourite()

in app/logic/Favourites.scala [55:61]

• 7 lines of code
• 2 McCabe index (conditional complexity)

  def toggleFavourite(
      account: String,
      favourites: List[String]
  ): List[String] = {
    if (favourites.contains(account)) favourites.filterNot(_ == account)
    else favourites :+ account
  }