Build and improve mobile apps with React Native and Expo using prioritized implementation rules. Covers faster lists, animations, images, navigation, state management, and native dependencies, with explanations and code examples for reviewing common implementation choices.
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React Native and Expo best practices for building performant mobile apps. Use when building React Native components, optimizing list performance, implementing animations, or working with native modules. Triggers on tasks involving React Native, Expo, mobile performance, or native platform APIs.
安装前可以查看交给 AI 代理的指令内容。
Comprehensive best practices for React Native and Expo applications. Contains rules across multiple categories covering performance, animations, UI patterns, and platform-specific optimizations.
Reference these guidelines when:
| Priority | Category | Impact | Prefix |
|---|---|---|---|
| 1 | List Performance | CRITICAL | list-performance- |
| 2 | Animation | HIGH | animation- |
| 3 | Navigation | HIGH | navigation- |
| 4 | UI Patterns | HIGH | ui- |
| 5 | State Management | MEDIUM | react-state- |
| 6 | Rendering | MEDIUM | rendering- |
| 7 | Monorepo | MEDIUM | monorepo- |
| 8 | Configuration | LOW | fonts-, imports- |
list-performance-virtualize - Use FlashList for large listslist-performance-item-memo - Memoize list item componentslist-performance-callbacks - Stabilize callback referenceslist-performance-inline-objects - Avoid inline style objectslist-performance-function-references - Extract functions outside renderlist-performance-images - Optimize images in listslist-performance-item-expensive - Move expensive work outside itemslist-performance-item-types - Use item types for heterogeneous listsanimation-gpu-properties - Animate only transform and opacityanimation-derived-value - Use useDerivedValue for computed animationsanimation-gesture-detector-press - Use Gesture.Tap instead of Pressablenavigation-native-navigators - Use native stack and native tabs over JS navigatorsui-expo-image - Use expo-image for all imagesui-image-gallery - Use Galeria for image lightboxesui-pressable - Use Pressable over TouchableOpacityui-safe-area-scroll - Handle safe areas in ScrollViewsui-scrollview-content-inset - Use contentInset for headersui-menus - Use native context menusui-native-modals - Use native modals when possibleui-measure-views - Use onLayout, not measure()ui-styling - Use StyleSheet.create or Nativewindreact-state-minimize - Minimize state subscriptionsreact-state-dispatcher - Use dispatcher pattern for callbacksreact-state-fallback - Show fallback on first renderreact-compiler-destructure-functions - Destructure for React Compilerreact-compiler-reanimated-shared-values - Handle shared values with compilerrendering-text-in-text-component - Wrap text in Text componentsrendering-no-falsy-and - Avoid falsy && for conditional renderingmonorepo-native-deps-in-app - Keep native dependencies in app packagemonorepo-single-dependency-versions - Use single versions across packagesfonts-config-plugin - Use config plugins for custom fontsimports-design-system-folder - Organize design system importsjs-hoist-intl - Hoist Intl object creationRead individual rule files for detailed explanations and code examples:
rules/list-performance-virtualize.md
rules/animation-gpu-properties.md
Each rule file contains:
For the complete guide with all rules expanded: AGENTS.md
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Deploy apps and websites to Vercel and get a URL to share. The skill selects a deployment method based on Git integration and authentication, using preview deployments by default and production deployments when explicitly requested.
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Deploy and manage Vercel projects using access tokens instead of interactive login. Covers selecting the right project and team, preview deployments, environment variables, domains, and checking deployment status and logs.
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Refactor React components into reusable pieces with clearer interfaces. Provides patterns for replacing excessive boolean settings, sharing state through providers, and designing component libraries, with additional guidance for React 19 APIs.
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Audit deployed Vercel projects for cost and performance improvements using production metrics. Examines usage, settings, and relevant code, then produces ranked recommendations supported by verified files and documentation matching the framework version.
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Write, review, and refactor React and Next.js code using performance guidelines ranked by impact. Covers sequential data requests, downloaded code size, server work, and unnecessary rendering to guide concrete implementation improvements.
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Add animations to React interfaces using the browser's built-in view transitions. Guides page changes, shared elements that move between views, list reordering, component appearance, and loading reveals, with CSS styling and Next.js integration guidance.
中文简介正在准备中。当前显示英语简介。