Storyboard에서 UIView의 테두리, 모서리, 그림자를 설정하는 Extension

컨디션

UIView의 Extension

import UIKit

extension UIView {

  // MARK: Utility

  /// 枠線の色
  @IBInspectable var borderColor: UIColor? {
    get {
      layer.borderColor.map { UIColor(cgColor: $0) }
    }
    set {
      layer.borderColor = newValue?.cgColor
    }
  }

  /// 枠線のWidth
  @IBInspectable var borderWidth: CGFloat {
    get {
      layer.borderWidth
    }
    set {
      layer.borderWidth = newValue
    }
  }

  /// 角丸の大きさ
  @IBInspectable var cornerRound: CGFloat {
    get {
      layer.cornerRadius
    }
    set {
      layer.cornerRadius = newValue
      layer.masksToBounds = newValue > 0
    }
  }

  /// 影の色
  @IBInspectable var shadowColor: UIColor? {
    get {
      layer.shadowColor.map { UIColor(cgColor: $0) }
    }
    set {
      layer.shadowColor = newValue?.cgColor
      layer.masksToBounds = false
    }
  }

  /// 影の透明度
  @IBInspectable var shadowAlpha: Float {
    get {
      layer.shadowOpacity
    }
    set {
      layer.shadowOpacity = newValue
    }
  }

  /// 影のオフセット
  @IBInspectable var shadowOffset: CGSize {
    get {
      layer.shadowOffset
    }
    set {
      layer.shadowOffset = newValue
    }
  }

  /// 影のぼかし量
  @IBInspectable var shadowRadius: CGFloat {
    get {
      layer.shadowRadius
    }
    set {
      layer.shadowRadius = newValue
    }
  }
}