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override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
		///Update fonts after dynamic fonts settings was changed
    if traitCollection.preferredContentSizeCategory != previousTraitCollection?.preferredContentSizeCategory {
        setFonts()
    }
}

private func setFonts() {
    title.font = UIFont(.h3, .black)
    subtitle.font = UIFont(.bodyM, .medium)

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// somewhere here is a declaration of the Font Style parts
// https://gist.github.com/popcornomnom/5288be0c003fedff3e9d43c332837dca
// and func stringName(_, _) -> String
// https://gist.github.com/popcornomnom/1238714fea8d9a8efa109782958a5b99

///optional type in case if you don't want to support scaled font yet
private let autoScaleSettings: AutoScaleSettings? = AutoScaleSettings()

private class AutoScaleSettings {
    let mostPopularScreenWidth: CGFloat = 375

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//
//  FontManager.swift
//
//  Created by http://www.popcornomnom.com
//  Copyright © 2020 Marharyta Lytvynenko. All rights reserved.
//

import UIKit

///optional type in case if you don't want to support scaled font yet

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#if DEBUG

extension UIFont.Size {
    var debugDescription: String { "\(self)" }
}

extension UIFont {
    class func printAllFonts() {
        let families = UIFont.Family.allCases
        let sizes = UIFont.Size.allCases

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//MARK: - Font Parts

public extension UIFont {
    
    enum Family: String, CaseIterable {
        case system = ".SFUIText" //".SFUI"
        case inter = "Inter"
    }
    
    enum CustomWeight: String, CaseIterable {

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enum Localizable {

    enum Global: String, LocalizableDelegate {
        case cancel, close
    }

    enum WelcomePage: String, LocalizableDelegate {
        case title = "welcomeTitle"
        case ctaButtonTitle = "start"
        case next

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Text("my label")
.font(.init(.h3, .bold))

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//Swift
let label = UILabel()
label.font = UIFont(.h3, .bold)

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deinit {
    stopwatch.stop()
}

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func timeString(from timeInterval: TimeInterval) -> String {
    let seconds = Int(timeInterval.truncatingRemainder(dividingBy: 60))
    let minutes = Int(timeInterval.truncatingRemainder(dividingBy: 60 * 60) / 60)
    let hours = Int(timeInterval / 3600)
    return String(format: "%.2d:%.2d:%.2d", hours, minutes, seconds
}