Foundations for writing iOS apps in the least amount of time
struct TheForm {
var name: String
var email: String
}
class YourViewModel: Formable {
let formHandler = FormHandler<TheForm>(initial: .init(name: "", email: ""))
.setValidationsHandler(
FormValidation()
.validations(for: \.name, are: .notEmpty, .atLeast(6.characters))
.validations(for: \.email, are: .notEmpty, .email)
)
}
class YourController {
let yourViewModel = YourViewModel()
var nameInputFieldState: Lifetimeable?
var emailInputFieldState: Lifetimeable?
func loadView() {
nameInputFieldState = nameInputField
.textChanges(Binding(source: yourViewModel.formHandler, to: \.name))
emailInputFieldState = emailInputField
.textChanges(Binding(source: yourViewModel.formHandler, to: \.email))
yourViewModel.formHandler { form, state in
submitButton.isEnabled = state.isValid
}
}
}class YourController: Controller<YourViewModel> {
override func loadView() {
super.loadView()
view
.addSubview(
UIButton(configuration: .pilled().withTitle("Click me!"), primaryAction: clickMeAction())
.defineConstraints { make in
make.center
.equalToSuperview()
}
)
.addSubview(
UIStackView
.vertical {
UILabel()
.content("My name is")
UILabel()
.content("Makata!")
.contentSize(.body, weight: .bold)
}
)
}
func clickMeAction() -> UIAction {
.init { _ in
// your button action
}
}
}enum Routes {
case success
case anotherStep
}
class YourViewModel: Routeable {
func process() async {
// do some processing
await updateRoute(to: .success)
}
}
class YourViewController: Controller<YourViewModel> {
override func viewDidLoad() {
super.viewDidLoad()
client.routeHandler { nextRoute in
switch nextRoute {
case .success:
navigation.pop()
case .anotherStep:
navigation.push(YourSecondStepViewController())
}
}
}
}
struct ScreenState {
let name: String
}
class YourLoadingViewModel: Stateable {
let stateHandler = StateHandler<ScreenState>(initial: .init(name: ""))
func initialize() {
Task {
let result = await someNetworkCall()
await updateState(to: .init(name: result.name))
}
}
}
class YourLoadingViewController: Controller<YourLoadingViewModel> {
override func viewDidLoad() {
super.viewDidLoad()
client.stateHandler { [unowned nameLabel] state in
nameLabel.text = state.name
}
}
}