imjhk03

import UIKit

enum UIHelper {

    /// Convert Zeplin line height to iOS line spacing
   static func lineSpacing(from lineHeight: CGFloat, font: UIFont) -> CGFloat {
       let value = lineHeight - font.lineHeight
       return value
   }

imjhk03

extension String {
    
    var isValidEmail: Bool {
        let emailFormat = ""
        let emailPredicate = NSPredicate(format: "SELF MATCHES %@", emailFormat)
        return emailPredicate.evaluate(with: self)
    }
    
    var isValidPassword: Bool {
        //Regex restricts to 8 character minimum, 1 capital letter, 1 lowercase letter, 1 number

imjhk03

import UIKit

extension UIView {
    func addSubviews(_ views: UIView...) {
        for view in views { addSubview(view) }
    }
}

imjhk03

import UIKit

struct AnchoredConstraints {
    var top, leading, bottom, trailing, width, height: NSLayoutConstraint?
}

extension UIView {
    
    @discardableResult
    func anchor(top: NSLayoutYAxisAnchor?, leading: NSLayoutXAxisAnchor?, bottom: NSLayoutYAxisAnchor?, trailing: NSLayoutXAxisAnchor?, padding: UIEdgeInsets = .zero, size: CGSize = .zero) -> AnchoredConstraints {

imjhk03

enum ScreenSize {
    static let width        = UIScreen.main.bounds.size.width
    static let height       = UIScreen.main.bounds.size.height
    static let maxLength    = max(ScreenSize.width, ScreenSize.height)
    static let minLength    = min(ScreenSize.width, ScreenSize.height)
}


enum DeviceTypes {
    static let idiom                    = UIDevice.current.userInterfaceIdiom