ShoMasegi

class SplashViewController: UIViewController {
    init() {
        super.init(nibName: nil, bundle: nil)
    }
    required init?(coder _: NSCoder) { fatalError() }
}

ShoMasegi

class SplashViewController: UIViewController {
    ...
    override func viewDidLoad() {
        super.viewDidLoad()
        view.backgroundColor = .white
        setupSubviews()
    }

    private lazy var label: UILabel = {
        let label = UILabel()

ShoMasegi

self.navigationController?.pushViewController(viewController, animated: true)

ShoMasegi

self.navigationController?.present(viewController, animated: true)

ShoMasegi

class EventsViewController: UIViewController {
    ...
    private lazy var tableView: UITableView = {
        let tableView = UITableView()
        tableView.estimatedRowHeight = 50
        tableView.rowHeight = UITableViewAutomaticDimension
        tableView.backgroundColor = .white
        tableView.separatorInset = UIEdgeInsets(top: 0, left: 24, bottom: 0, right: 0)
        tableView.separatorColor = .lightGray
        talbeView.dataSource = self

ShoMasegi

class EventTableViewCell: UITableViewCell, Reusable {
    ....
    override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        setupSubviews()
    }
    required init?(coder aDecoder: NSCoder) { fatalError() }
    ....
}

ShoMasegi

class EventTableViewCell: UITableViewCell, Reusable {
    ....
    override func layoutSubviews() {
        super.layoutSubviews()
        contentView.layoutIfNeeded()
        iconImageView.layer.cornerRadius = iconImageView.frame.height / 2
    }

    private lazy var iconImageView: UIImageView = {
        let imageView = UIImageView()

ShoMasegi

protocol Reusable: class {
    static var reuseIdentifier: String { get }
}

extension Reusable where Self: UIView {
    static var reuseIdentifier: String {
        return String(describing: self)
    }
}

ShoMasegi

extension UITableView {
    func register<T: UITableViewCell>(_: T.Type) where T: Reusable {
        register(T.self, forCellReuseIdentifier: T.reuseIdentifier)
    }

    func dequeueReusableCell<T: UITableViewCell>(for indexPath: IndexPath) -> T where T: Reusable {
        guard let cell = dequeueReusableCell(withIdentifier: T.reuseIdentifier, for: indexPath) as? T else {
            fatalError("Could not dequeue cell with identifier: \(T.reuseIdentifier)")
        }
        return cell

ShoMasegi

render() {
    return (
        <View style={styles.container}>
            <FlatList
                style={styles.flatList}
                data={_rows}
                renderItem={this._renderItem}
                keyExtractor={_extractKey}
            />
        </View>