Implements and reviews SwiftUI, Swift concurrency, and SwiftData code for Apple platforms.
npx skills add https://github.com/Lynricsy/HyperSkills --skill apple-lynricsy
Please help me install this Agent Skill. Skill: apple Source: https://github.com/Lynricsy/HyperSkills/tree/main/skills/apple Command: npx skills add https://github.com/Lynricsy/HyperSkills --skill apple-lynricsy
@State that silently ignores parent updates, actor reentrancy races, and Liquid Glass surfaces that render flat. This Skill encodes the always-a-bug rules, version floors, and review workflows needed to catch those defects and write correct Apple platform code the first time. ## Core Features & Use Cases - Implement and review workflows: Step-by-step checklists for building SwiftUI views and running a nine-topic code review covering data flow, lists, navigation, animation, Liquid Glass, accessibility, concurrency, SwiftData, and tests, with a fixed before/after output format. - Soft-deprecated API index: A lookup table of APIs that compile without warnings (e.g. foregroundColor, NavigationView) mapped to their modern replacements, plus verified iOS 26/27 additions, breakages, and fabricated APIs to never emit. - Instruments trace analysis: macOS scripts that record .trace bundles via xctrace and analyze hangs, hitches, and SwiftUI view invalidation causes with evidence-backed recommendations. - Swift 6 migration: A diagnostic-to-fix mapping and smallest-safe-change ladder for strict concurrency migration, one error category at a time. - Use Case: Ask it to review a SwiftUI view before shipping; it flags the @State property receiving a parent-passed value, the ForEach using index-based identity, and the ungated iOS 26 API, each with a file, line, and before/after fix. ## Quick Start Ask the agent to review your SwiftUI view file for iOS 26 correctness, data flow, and accessibility issues.High-intent search queries and answers about installing and using this skill.
Run the review workflow, which checks views in a fixed order: deprecated APIs, view structure, data flow ownership, ForEach identity, navigation, animation, Liquid Glass, accessibility, concurrency, and SwiftData. Every finding includes a file, line, the rule broken, and a before/after code fix.
Read the target's language mode and isolation settings first, then build to collect diagnostics and map each to a fix. Fix one category at a time, such as all Sendable errors before isolation errors, rebuilding after each, and prefer the smallest safe change over refactoring.
A value passed in by a parent must never be stored in @State or @StateObject, because the property ignores every update after the first render. Use a plain let or var input, or @Binding when the child must write back.
No. glassEffect, GlassEffectContainer, and related symbols are marked unavailable on visionOS, and the floor is iOS 26.0 and macOS 26.0. Gate every glass API per platform with #available and provide a Material fallback.
Yes, on macOS with Xcode installed. The record_trace.py script wraps xctrace record with device selection and stop-file control, and analyze_trace.py reports hangs, hitches, and which views invalidate a hot view. The SwiftUI lane requires a real device, not the Simulator.
Soft-deprecated APIs carry a placeholder deprecation version in SDK headers, so they compile silently and persist in training data. The skill's latest-apis reference maps each one, such as foregroundColor or NavigationView, to its modern replacement and version floor.
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