Storyboard.swift

import UIKit

public enum Storyboard: String {
    case Activity
    case Dashboard
    case Home
    case Discovery
    
    public func instantiate<VC: UIViewController>(_ viewController: VC.Type,
                            inBundle bundle: Bundle = .framework) -> VC {
        guard
            let vc = UIStoryboard(name: self.rawValue, bundle: nil)
                .instantiateViewController(withIdentifier: VC.storyboardIdentifier) as? VC
            else { fatalError("Couldn't instantiate \(VC.storyboardIdentifier) from \(self.rawValue)") }
        
        return vc
    }
}