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Complete React Native and Expo optimization guide combining Callstack profiling with Vercel code patterns. Covers FPS, TTI, bundle size, memory, lists, animations, state, UI, and React Compiler. Use for any React Native performance, debugging, or best practices task.

Use this Skill: https://skilld.dev/gh/gigs-slc/react-native-skills/react-native

This session only. Nothing lands on disk.

rulesui-pressable.md

≈384 tokens on demand. Your agent reads this file only when SKILL.md points to it.

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

2 alerts6mo4 checks · Risk HIGH
  • Gen Agent Trust Hub7mo

    The skill is a technical React Native guide that includes a high-risk remote code execution pattern for installing a performance tool.

  • Socket6mo

    No alerts

  • Snyk7mo

    Risk: MEDIUM · No issues

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    7/67 files flagged

Signed by skilld at 1d299ca. This ties the file your Agent reads to that commit on GitHub. It does not review the instructions.

Last checked against GitHub 2 days ago.

Dormantupdated 8 months ago
Other metadata
metadata
{
  "author": "Callstack + Vercel",
  "version": "1.0.0",
  "tags": "react-native, expo, performance, optimization, patterns"
}

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