Simple NSNotificationCenter wrapper for Swift 4.x

AppNotify.swift

//
//  AppNotify.swift
//
//  Created by Christopher Bess on 6/30/15.
//  MIT License
//

import Foundation

/// Represents the app notification.
class AppNotify {
    private static var notificationCenter: NotificationCenter {
        return NotificationCenter.default
    }
    
    /// Post the specified notification with the given object
    static func postNotification(_ name: String, object: Any? = nil) {
        notificationCenter.post(name: NSNotification.Name(rawValue: name), object: object)
    }
    
    /// Post the specified NSNotification with the given object
    static func postNotification(_ name: NSNotification.Name, object: Any? = nil) {
        notificationCenter.post(name: name, object: object)
    }
    
    /// Observe the notification with the specified name
    static func observeNotification(_ observer: Any, selector: Selector, name: String, object: Any? = nil) {
        notificationCenter.addObserver(observer, selector: selector, name: NSNotification.Name(rawValue: name), object: object)
    }
    
    /// Observe the NSNotification with the specified name
    static func observeNotification(_ observer: Any, selector: Selector, name: NSNotification.Name, object: Any? = nil) {
        notificationCenter.addObserver(observer, selector: selector, name: name, object: object)
    }
    
    /// Remove the object from the observers
    static func removeObserver(_ object: Any) {
        notificationCenter.removeObserver(object)
    }
}