Question 1

How do I use ValidatedPropertyKit with SwiftUI forms for real-time validation?

Accepted Answer

Apply the @Validated property wrapper to your properties and use the .validated() modifier on views like Button to disable them based on validation state, as shown in the login view example with TextField and conditional Text displays.

Question 2

ValidatedPropertyKit vs manual validation in Swift – which should I choose?

Accepted Answer

ValidatedPropertyKit is better for declarative, type-safe validation with less code, especially in SwiftUI apps. Manual validation offers more control for imperative or highly custom logic but increases boilerplate.

Question 3

Can I do asynchronous validation with ValidatedPropertyKit, like checking a server?

Accepted Answer

No, ValidatedPropertyKit only supports synchronous validation closures. For async checks, you'd need to handle validation outside the property wrapper, such as with Combine or async/await, and integrate results manually.

Question 4

How to create a custom validation for a specific type in ValidatedPropertyKit?

Accepted Answer

Extend the Validation type with conditional conformance, as demonstrated in the README, by adding a static property that returns a Validation instance with your custom logic, then apply it using @Validated.

Question 5

Does ValidatedPropertyKit work with Combine or other reactive frameworks besides SwiftUI?

Accepted Answer

It integrates natively with SwiftUI's reactive updates, but direct integration with Combine isn't highlighted. You may need to bridge validation states manually, such as by observing property changes and publishing results.

Question 6

What are the performance implications of using ValidatedPropertyKit in large apps?

Accepted Answer

Performance impact is minimal since validation runs on property changes, similar to manual validation. However, heavy custom validations or many validated properties could affect responsiveness, so profile for specific use cases.

ValidatedPropertyKit

What is ValidatedPropertyKit?

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