article-buttoncomponents2.swift

extension ButtonStyle {
    func apply(to button: UIButton) {
        button.backgroundColor = nil

        button.titleLabel?.font = font
        button.contentEdgeInsets = insets

        button.setTitleColor(enabled.foreground, for: .normal)
        button.setTitleColor(highlighted.foreground, for: .highlighted)
        button.setTitleColor(disabled.foreground, for: .disabled)

        button.setBackgroundImage(enabled.background, for: .normal)
        button.setBackgroundImage(highlighted.background, for: .highlighted)
        button.setBackgroundImage(disabled.background, for: .disabled)
    }
}