Anatoli-Petrosyants

import UIKit

public extension UIDevice {
    
    var modelName: String {
        var systemInfo = utsname()
        uname(&systemInfo)
        let machineMirror = Mirror(reflecting: systemInfo.machine)
        let identifier = machineMirror.children.reduce("") { identifier, element in
            guard let value = element.value as? Int8, value != 0 else { return identifier }

Anatoli-Petrosyants

extension UIFont {
    
    static func printFonts() {
        UIFont.familyNames.forEach({ familyName in
            let fontNames = UIFont.fontNames(forFamilyName: familyName)
            print(familyName, fontNames)
        })
    }
}

Anatoli-Petrosyants

extension NSMutableAttributedString {
    @discardableResult func bold(_ text: String) -> NSMutableAttributedString {
        let attrs: [NSAttributedStringKey: Any] = [.font: UIFont(name: "NotoSans-Bold", size: 14)!]
        let boldString = NSMutableAttributedString(string:text, attributes: attrs)
        append(boldString)
        
        return self
    }
    
    @discardableResult func normal(_ text: String) -> NSMutableAttributedString {

Anatoli-Petrosyants

extension NSTextAttachment {
    
    func setImageHeight(height: CGFloat) {
        guard let image = image else { return }
        let ratio = image.size.width / image.size.height
        bounds = CGRect(x: bounds.origin.x, y: bounds.origin.y, width: ratio * height, height: height)
    }
}

Anatoli-Petrosyants

public extension NSError {
    public class var emptyErrorDomain: String { return "com.ap.error.default" }
    public class var emptyErrorCode: Int { return 1024 }
    public class var empty: NSError {
        return NSError(domain: emptyErrorDomain, code: emptyErrorCode, userInfo: nil)
    }
    
    public class func make(message: String, code: Int = 9999) -> NSError {
        return NSError(
            domain: "com.ap.error.maker",

Anatoli-Petrosyants

import UIKit

extension UIView {
    func fadeIn(_ duration: Double) {
        fadeIn(duration, 0)
    }
    
    func fadeOut(_ duration: Double) {
        fadeOut(duration, 0)
    }

Anatoli-Petrosyants

import UIKit

public extension UIApplication {
    var statusBarView: UIView? {
        return value(forKey: "statusBar") as? UIView
    }
}

Anatoli-Petrosyants

import UIKit

extension UIView {
    
    @IBInspectable var cornerRadius: CGFloat {
        get {
            return layer.cornerRadius
        }
        set {
            layer.cornerRadius = newValue

Anatoli-Petrosyants

public final class FirstLaunchHelper {
    
    let wasLaunchedBefore: Bool
    var isFirstLaunch: Bool {
        return !wasLaunchedBefore
    }
    
    init(getWasLaunchedBefore: () -> Bool,
         setWasLaunchedBefore: (Bool) -> ()) {
        let wasLaunchedBefore = getWasLaunchedBefore()

Anatoli-Petrosyants

import Foundation

// MARK: Encode/decode helpers

class JSONNull: Codable {
    public init() {}
    
    public required init(from decoder: Decoder) throws {
        let container = try decoder.singleValueContainer()
        if !container.decodeNil() {