swiftui-macos-animation

What problem does it solve?

This Skill eliminates the frustration of implementing inconsistent, inaccessible, or poorly performing animations in macOS SwiftUI apps, which often fail to match platform design conventions or meet accessibility requirements.

Core Features & Use Cases

• Comprehensive API Coverage: Guides use of all core SwiftUI animation tools for macOS, including withAnimation, Animation presets, matchedGeometryEffect, PhaseAnimator, KeyframeAnimator, and view transitions.
• macOS-Specific Guidance: Provides platform-aligned spring tuning, window/sheet transition behavior notes, and AppKit interop patterns for animated NSViewRepresentable views.
• Accessibility & Performance Best Practices: Includes reduced motion fallback patterns, performance optimization tips, and common mistake avoidance to ensure animations are inclusive and smooth.
• Reusable Patterns: Offers ready-to-use code patterns for common macOS UI animations like sidebar-to-detail hero transitions, loading states, and complex multi-step keyframe animations.
• Use Case Example: A developer building a macOS productivity app can use this Skill to implement a smooth, accessible sidebar-to-detail hero transition, snappy toggle animations, and compliant reduced motion behavior without manual trial and error.

Quick Start

Use the swiftui-macos-animation skill to add an accessible, smooth sidebar-to-detail hero transition to your macOS SwiftUI app's NavigationSplitView.