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ayeshakhalid13ayeshakhalid13/LoopEngineering-CrashCourse/.agents/skills/vercel-react-native-skills/SKILL.md

vercel-react-native-skills

Skill16 starsChanged 4 months agoMITView on GitHub

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:

67 other projects use a version of this, 7 of them edited.

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Projects with it also use react-native-best-practices, shadcn and 5 more.

Other files people use alongside this one.

Files found in the same public projects as a version of this one, more often than they turn up anywhere else. Each project counts once, large collections count for less, and this file's own repository is left out.
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The file

We split this skill into the rules it gives an agent

1 rule. 1 is common, 0 are distinctive, and 0 are very specific to this project.

  • 1

    Common

    Most of the 8 edited versions we read keep these.

  • 0

    Distinctive

    This author's own choices. Worth a look.

  • 0

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Common:

    Read individual rule files for detailed explanations and code examples:

    line 105

“Common” is measured: kept by at least 6 in 10 of the 8 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

React Native Skills

Comprehensive best practices for React Native and Expo applications. Contains rules across multiple categories covering performance, animations, UI patterns, and platform-specific optimizations.

When to Apply

Reference these guidelines when:

  • Building React Native or Expo apps
  • Optimizing list and scroll performance
  • Implementing animations with Reanimated
  • Working with images and media
  • Configuring native modules or fonts
  • Structuring monorepo projects with native dependencies

Rule Categories by Priority

PriorityCategoryImpactPrefix
1List PerformanceCRITICALlist-performance-
2AnimationHIGHanimation-
3NavigationHIGHnavigation-
4UI PatternsHIGHui-
5State ManagementMEDIUMreact-state-
6RenderingMEDIUMrendering-
7MonorepoMEDIUMmonorepo-
8ConfigurationLOWfonts-, imports-

Quick Reference

1. List Performance (CRITICAL)

  • list-performance-virtualize - Use FlashList for large lists
  • list-performance-item-memo - Memoize list item components
  • list-performance-callbacks - Stabilize callback references
  • list-performance-inline-objects - Avoid inline style objects
  • list-performance-function-references - Extract functions outside render
  • list-performance-images - Optimize images in lists
  • list-performance-item-expensive - Move expensive work outside items
  • list-performance-item-types - Use item types for heterogeneous lists

2. Animation (HIGH)

  • animation-gpu-properties - Animate only transform and opacity
  • animation-derived-value - Use useDerivedValue for computed animations
  • animation-gesture-detector-press - Use Gesture.Tap instead of Pressable

3. Navigation (HIGH)

  • navigation-native-navigators - Use native stack and native tabs over JS navigators

4. UI Patterns (HIGH)

  • ui-expo-image - Use expo-image for all images
  • ui-image-gallery - Use Galeria for image lightboxes
  • ui-pressable - Use Pressable over TouchableOpacity
  • ui-safe-area-scroll - Handle safe areas in ScrollViews
  • ui-scrollview-content-inset - Use contentInset for headers
  • ui-menus - Use native context menus
  • ui-native-modals - Use native modals when possible
  • ui-measure-views - Use onLayout, not measure()
  • ui-styling - Use StyleSheet.create or Nativewind

5. State Management (MEDIUM)

  • react-state-minimize - Minimize state subscriptions
  • react-state-dispatcher - Use dispatcher pattern for callbacks
  • react-state-fallback - Show fallback on first render
  • react-compiler-destructure-functions - Destructure for React Compiler
  • react-compiler-reanimated-shared-values - Handle shared values with compiler

6. Rendering (MEDIUM)

  • rendering-text-in-text-component - Wrap text in Text components
  • rendering-no-falsy-and - Avoid falsy && for conditional rendering

7. Monorepo (MEDIUM)

  • monorepo-native-deps-in-app - Keep native dependencies in app package
  • monorepo-single-dependency-versions - Use single versions across packages

8. Configuration (LOW)

  • fonts-config-plugin - Use config plugins for custom fonts
  • imports-design-system-folder - Organize design system imports
  • js-hoist-intl - Hoist Intl object creation

How to Use

Read individual rule files for detailed explanations and code examples:

rules/list-performance-virtualize.md
rules/animation-gpu-properties.md

Each rule file contains:

  • Brief explanation of why it matters
  • Incorrect code example with explanation
  • Correct code example with explanation
  • Additional context and references

Full Compiled Document

For the complete guide with all rules expanded: AGENTS.md

Download now (ZIP)

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