Back-port Swift Observation API to earlier platforms using Perception.
npx skills add https://github.com/Mp2025-cmd/ScrollKitty --skill pfw-perception
Please help me install this Agent Skill. Skill: pfw-perception Source: https://github.com/Mp2025-cmd/ScrollKitty/tree/main/.claude/skills/pfw-Perception Command: npx skills add https://github.com/Mp2025-cmd/ScrollKitty --skill pfw-perception
This Skill provides a way to use the modern Swift Observation framework on older Swift versions and platforms where it is not natively supported, by leveraging the Perception library.
@Observable: Replaces @Observable with @Perceptible and @ObservationIgnored with @PerceptionIgnored.WithPerceptionTracking and @Perception.Bindable.Add the swift-perception package dependency from 2.0.0 and import Perception as needed.
High-intent search queries and answers about installing and using this skill.
You can back-port the Swift Observation API to older platforms by using the Perception library, which provides drop-in replacements like `@Perceptible` for `@Observable` to achieve native-like observation tracking.
To integrate Perception with SwiftUI views, you wrap your view body in `WithPerceptionTracking` and use `@Perception.Bindable` to derive perceptible bindings, ensuring your UI reacts to state changes on older platforms.
When back-porting to earlier Swift versions, the replacement for `@ObservationIgnored` is `@PerceptionIgnored`, which prevents specific properties from triggering observation updates in your models.
Yes, you can adopt the benefits of the modern Observation framework without a full platform upgrade by adding the swift-perception package dependency from version 2.0.0 and importing Perception.
Back-porting Swift Observation replaces `withObservationTracking` with its Perception equivalent, allowing you to manually track property access and trigger updates on platforms lacking native Observation support.
The Perception library requires explicit wrapping of SwiftUI views in `WithPerceptionTracking` to detect changes, adding a slight syntactic overhead compared to the native Swift Observation framework which handles this tracking automatically.
castacksCreate a ROS 2 package scaffold with CMakeLists.txt, package.xml, config, and launch templates.
water-rsBuild cross-platform native UIs in Rust with reactive declarative views.
vrcmsGuide SwiftUI state management with Observation framework and type-safe navigation.
nonameplumModel observable state in Swift with Apple's Observation framework.