Nibless UIView in favor of initializer dependency injection.

NiblessView.swift

import UIKit

open class NiblessView: UIView {

  public override init(frame: CGRect) {
    super.init(frame: frame)
  }

  @available(*, unavailable,
    message: "Loading this view from a nib is unsupported in favor of initializer dependency injection."
  )
  public required init?(coder aDecoder: NSCoder) {
    fatalError("Loading this view from a nib is unsupported in favor of initializer dependency injection.")
  }
}