Skills

Expo Web To Native

Migrate an existing web React app to a native iOS/Android app with Expo.

Install

npx skills add expo/skills --skill expo-web-to-native -g -a claude-code -y
Repository
expo/skills4k
Category
Design
Updated
3d ago
License
MIT
Context cost
Mediumabout 2,458 tokens
Runs scripts
No, instructions only

What it does

Migrate an existing web React app to a native iOS/Android app with Expo. Use when the user wants to turn a website into a mobile app, port a Next.js/Vite/CRA React codebase to React Native, reuse web code on native incrementally, or asks how web idioms (the DOM, CSS, React Router, localStorage, window) map to native. This is the end-to-end migration guide; use the `expo-dom` skill for the DOM-component mechanism itself.

Web to Native

A web React app does not convert to native, there is no transpiler. It migrates, screen by screen, the way a strangler fig grows around a tree and slowly replaces it: stand up a native shell, run the whole web UI inside it on day one, then strangle each screen into native in priority order. This skill is the spine that orders the work; each step hands off to an existing Expo skill rather than re-explaining it. It operationalizes Expo's From Web to Native with React, read that for the why.

flowchart TD
    A1[1 · Assess: write the worklist] --> A2[2 · Scaffold Expo shell]
    A2 --> A3[3 · DOM-component shell<br/>· expo-dom · SHIP DAY ONE]
    A3 --> A4[4 · Strangle screens to native<br/>highest-value first · expo-router]
    A4 -->|more screens| A4
    A4 --> A5[5 · Wire data / auth / storage<br/>· expo-data-fetching]
    A5 --> A6[6 · Ship · eas-app-stores]

Principles

Read the whole SKILL.md on GitHub

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