serhiybutz

let lightThemeModel = MyThemeModel(
    appBgColor: .white,
    textColor: .black)

let darkThemeModel = MyThemeModel(
    appBgColor: .darkGray,
    textColor: .white)

serhiybutz

@objc protocol Themable {
    func applyTheme(_ theme: MyTheme)
}

serhiybutz

//
//  TitlePosition.swift
//  PileCollectionVC
//
//  Created by Rik Ki on 11/9/18.
//  Copyright © 2018 Rik Ki. All rights reserved.
//

import Foundation

serhiybutz

enum MyTheme {
    case light
    case dark
    var settings: MyThemeSettings {
        switch self {
            case .light: return MyThemeSettings.lightTheme
            case .dark: return MyThemeSettings.darkTheme
        }
    }
}

serhiybutz

@objc enum MyTheme: Int {
    case light
    case dark
    var settings: MyThemeSettings {
        switch self {
        case .light: return MyThemeSettings.lightTheme
        case .dark: return MyThemeSettings.darkTheme
        }
    }
}

serhiybutz

public protocol ThemeModelProtocol {}

public protocol ThemeProtocol: Equatable {
    associatedtype Model: ThemeModelProtocol
    var settings: Model { get }
}

serhiybutz

extension Themer where Theme == MyTheme {
    private static var instance: Themer?
    static var shared: Themer {
        if instance == nil {
            instance = Themer(defaultTheme: .light)
        }
        return instance!
    }
}

serhiybutz

import Combine

final class ShareReplay<Upstream: Publisher>: Publisher {
    typealias Output = Upstream.Output
    typealias Failure = Upstream.Failure

    var recording = Record<Output, Failure>.Recording()
    var upstreamShare: AnyPublisher<Output, Failure>
    let bufferCapacity: Int
    var subscription: AnyCancellable?

serhiybutz

import Combine

let measurements = PassthroughSubject<Int, Never>()

let diagramDataSource = measurements
    .share(replay: 3)

let subscriber1 = diagramDataSource
    .sink(
        receiveCompletion: { completion in

serhiybutz

import UIKit
import Combine

extension UITextField {
    var textPublisher: AnyPublisher<String?, Never> {
        NotificationCenter.default
            .publisher(
                for: UITextField.textDidChangeNotification,
                object: self)
            .map(\.object)