NibLoading.swift

// MARK: - Load View From `.xib`

extension UINib {

  enum Nib: String {
    case SettingHeaderView
    case FreeAccountFeaturesView
    case ProAccountFeaturesView
    case EnterpriseAccountFeaturesView
  }

  convenience init(nib: Nib, bundle: NSBundle? = nil) {
    self.init(nibName: nib.rawValue, bundle: bundle)
  }

  class func nib(nib: Nib, bundle: NSBundle? = nil) -> UINib {
    return UINib(nib: nib, bundle: bundle)
  }

  func instantiateView<T: UIView>() -> T {
    guard let view = self.instantiateWithOwner(nil, options: nil)[0] as? T else {
      fatalError("Counldn't instantiate view from \(self)")
    }
    return view
  }

}