Nib 파일로 UIView 가져오기

uiViewFromNib.md

import Foundation
import UIKit

extension UIView {
    
    class func fromNib(named: String? = nil) -> Self {
        let name = named ?? "\(Self.self)"
        guard let nib = Bundle.main.loadNibNamed(name, owner: nil, options: nil) else { fatalError("name Error") }
        guard let view = nib.first as? Self else { fatalError() }
        return view
    }
}