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by Vercel Labsvercel-labs/agent-skills32k stars
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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.

  • 42 files
  • 155.3 KB
  • MIT
  • Updated 8 months ago
  • GitHub

Use this Skill: https://skilld.dev/gh/vercel-labs/agent-skills/react-native-skills

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rulesui-pressable.md

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Use Pressable Instead of Touchable Components

Never use TouchableOpacity or TouchableHighlight. Use Pressable from react-native or react-native-gesture-handler instead.

Incorrect (legacy Touchable components):

import { TouchableOpacity } from 'react-native'

function MyButton({ onPress }: { onPress: () => void }) {
  return (
    <TouchableOpacity onPress={onPress} activeOpacity={0.7}>
      <Text>Press me</Text>
    </TouchableOpacity>
  )
}

Correct (Pressable):

import { Pressable } from 'react-native'

function MyButton({ onPress }: { onPress: () => void }) {
  return (
    <Pressable onPress={onPress}>
      <Text>Press me</Text>
    </Pressable>
  )
}

Correct (Pressable from gesture handler for lists):

import { Pressable } from 'react-native-gesture-handler'

function ListItem({ onPress }: { onPress: () => void }) {
  return (
    <Pressable onPress={onPress}>
      <Text>Item</Text>
    </Pressable>
  )
}

Use react-native-gesture-handler Pressable inside scrollable lists for better gesture coordination, as long as you are using the ScrollView from react-native-gesture-handler as well.

For animated press states (scale, opacity changes): Use GestureDetector with Reanimated shared values instead of Pressable's style callback. See the animation-gesture-detector-press rule.

Source: SKILL.md on GitHub

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Last checked against GitHub last month.

Steadyupdated 8 months ago
metadata
{
  "author": "vercel",
  "version": "1.0.0"
}
  • Performance
  • react-native
  • expo
  • animations
  • list-virtualization
  • mobile
  • reanimated
  • native-modules
  • ui-patterns
  • monorepo

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Provides React Native and Expo best practices organized by performance impact, covering list virtualization, animations with Reanimated, navigation patterns, and native module configuration. Use when optimizing list rendering, implementing GPU-accelerated animations, or structuring React Native projects with native dependencies.

Generated from the current SKILL.md.

Does this skill cover both React Native and Expo?
Yes. The skill provides best practices for React Native and Expo applications, including Expo-specific patterns like expo-image and config plugins.
What animation library does this skill assume?
The skill focuses on React Native Reanimated for animations, with rules like using useDerivedValue and animating only transform and opacity properties.
Does this cover list performance optimization?
Yes. List performance is the highest priority category, covering FlashList virtualization, memoization, callback stabilization, and image optimization in lists.
Will this skill help with monorepo setup?
Yes, but only for monorepos with native dependencies. The skill includes guidance on structuring packages and managing dependency versions across a monorepo.
Does this cover state management frameworks like Redux or Zustand?
No. The skill covers only general state subscription patterns and dispatcher patterns, not specific state management libraries.

Generated from the current SKILL.md. These answers refresh after source changes.