Instantiate ViewController from Storyboard

UIVIewController+Storyboard.swift

import UIKit

extension UIViewController {
    
    class func instantiateFromStoryboard<T: UIViewController>() -> T {
        if let name = NSStringFromClass(T.self)?.componentsSeparatedByString(".").last {
            let storyboard: UIStoryboard = UIStoryboard(name: name, bundle: nil)
            if let vc = storyboard.instantiateInitialViewController() as? T {
                return vc
            }
            fatalError("failed to load \(name) ViewController From Storyboard")
        }
        fatalError("failed to load ViewController From Storyboard")
    }
    
}

Ex.

    let vc: HogeVC = HogeVC.instantiateFromStoryboard()