{"id":26739399,"url":"https://github.com/ivan-magda/swiftui-stagger-animation","last_synced_at":"2026-05-01T10:31:38.192Z","repository":{"id":284600973,"uuid":"955236886","full_name":"ivan-magda/swiftui-stagger-animation","owner":"ivan-magda","description":"Stagger modifier for SwiftUI - cascade animations for lists, grids, and collections without manual delay math. 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Views animate in sequence with a default opacity transition.\n\n## Why Stagger?\n\nSwiftUI has no native stagger API. The current workaround looks like this:\n\n```swift\n// The painful way\nForEach(Array(items.enumerated()), id: \\.element.id) { index, item in\n    ItemView(item: item)\n        .animation(.easeOut.delay(Double(index) * 0.1), value: showItems)\n}\n```\n\nProblems with this approach:\n\n- Manual index math for every animated collection\n- Breaks when views are dynamically inserted/removed\n- No completion callbacks\n- Empty container views persist after animations\n\nStagger handles all of this declaratively. One modifier, any transition, automatic coordination.\n\n## Installation\n\nAdd to your `Package.swift`:\n\n```swift\ndependencies: [\n    .package(url: \"https://github.com/ivan-magda/swiftui-stagger-animation.git\", from: \"1.0.0\")\n]\n```\n\nOr in Xcode: File → Add Packages → paste `https://github.com/ivan-magda/swiftui-stagger-animation.git`\n\n## Usage\n\n### Custom Transitions\n\n```swift\nText(\"Hello\")\n    .stagger(transition: .move(edge: .leading))\n\nImage(systemName: \"star\")\n    .stagger(transition: .scale.combined(with: .opacity))\n```\n\n### Animation Priority\n\nHigher priority values animate first:\n\n```swift\nText(\"First\").stagger(priority: 10)\nText(\"Second\").stagger(priority: 5)\nText(\"Third\").stagger(priority: 0)\n```\n\n### Configuration\n\n```swift\n.staggerContainer(\n    configuration: StaggerConfiguration(\n        baseDelay: 0.1,\n        animationCurve: .spring(response: 0.5),\n        calculationStrategy: .priorityThenPosition(.topToBottom)\n    )\n)\n```\n\n## API Reference\n\n### Calculation Strategies\n\n| Strategy | Behavior |\n|----------|----------|\n| `.priorityThenPosition(.leftToRight)` | Sort by priority first, then position (default) |\n| `.priorityOnly` | Sort by priority only |\n| `.positionOnly(.topToBottom)` | Sort by position only |\n| `.custom { lhs, rhs in ... }` | Your own sorting logic |\n\n**Position directions:** `.leftToRight`, `.rightToLeft`, `.topToBottom`, `.bottomToTop`\n\n### Animation Curves\n\n| Curve | Usage |\n|-------|-------|\n| `.default` | System default animation |\n| `.easeIn`, `.easeOut`, `.easeInOut` | Standard easing |\n| `.spring(response:dampingFraction:)` | Spring physics |\n| `.custom(Animation)` | Any SwiftUI animation |\n\n## Full Example\n\n```swift\nstruct ContentView: View {\n    @State private var isVisible = false\n    let colors: [Color] = [.red, .orange, .yellow, .green, .blue, .purple]\n\n    var body: some View {\n        VStack(spacing: 16) {\n            Text(\"Stagger Demo\")\n                .font(.largeTitle)\n                .stagger(\n                    transition: .move(edge: .top).combined(with: .opacity),\n                    priority: 10\n                )\n\n            LazyVGrid(columns: [GridItem(.adaptive(minimum: 80))], spacing: 16) {\n                ForEach(colors.indices, id: \\.self) { index in\n                    RoundedRectangle(cornerRadius: 12)\n                        .fill(colors[index])\n                        .frame(height: 80)\n                        .stagger(transition: .scale.combined(with: .opacity))\n                }\n            }\n\n            Button(\"Toggle\") { isVisible.toggle() }\n        }\n        .padding()\n        .staggerContainer(\n            configuration: StaggerConfiguration(\n                baseDelay: 0.08,\n                animationCurve: .spring(response: 0.6)\n            )\n        )\n    }\n}\n```\n\n## Requirements\n\n| Platform | Minimum Version |\n|----------|-----------------|\n| iOS | 17.0+ |\n| macOS | 14.0+ |\n| tvOS | 17.0+ |\n| Swift | 6.0+ |\n| Xcode | 15.0+ |\n\n## Documentation\n\nFull API documentation available at [Swift Package Index](https://swiftpackageindex.com/ivan-magda/swiftui-stagger-animation/main/documentation/stagger).\n\n## Credits\n\nBased on the [objc.io Swift Talk episode \"Staggered Animations Revisited\"](https://talk.objc.io/episodes/S01E443-staggered-animations-revisited).\n\n## Contributing\n\nPRs welcome. For major changes, open an issue first.\n\n## License\n\nMIT. See [LICENSE](LICENSE) for details.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fivan-magda%2Fswiftui-stagger-animation","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fivan-magda%2Fswiftui-stagger-animation","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fivan-magda%2Fswiftui-stagger-animation/lists"}