Parcel-plugin-react-native-web NPM

parcel-plugin-react-native-web

Parcel plugin to build react-native-web projects without configuration.

Quick start

yarn

yarn [global] add parcel-bundler       // Install Parccel (local or global)
yarn add parcel-plugin-react-native-web    // Install the plugin
yarn parcel public/index.html          // Run the server or
yarn parcel build src/index.js         // Compile the App

npm

npm i [-g] parcel-bundler               // Install Parccel (local or global)
npm i parcel-plugin-react-native-web    // Install the plugin
npx parcel public/index.html            // Run the sever or
npx parcel build src/index.js           // Compile the App

Features

Alias react-native to react-native-web
Enable the use of .web.js extensions
Transpile react-native libraries in node_modules following this rules:
- There is a reference to react-native in the package.json at dependencies, devDependencies, peerDependencies or keywords
- In case that the rule above doesn't catch the react-native library to transpile, it can be included in the parcel-rnw field in the package.json.
```
"parcel-rnw" : ["react-native-xxx"],
```
- To alias one library, use the alias field in package.json.
```
"alias": {
  "expo": "expo-web",
  "victory-native": "victory"
},
```
- The libraries and the source code are compiled with the follow Babel configuration (the local Babel configuration is meged with that for the source code):
```
{
  presets: ['env', 'react-native'],
  plugins: [
    require('./babel-plugin'),  //internal plugin to .web.js
    'react-native-web',
    'expo-web',
    'transform-dev',
  ],
}
```

Getting started

You can start creating a react-native project, with

react-native,

react-native --init MyApp

or Expo

exp --init MyApp

or create-react-native-app

create-react-native-app MyApp

Install Parcel and the Plugin

yarn add parcel-bundler parcel-plugin-react-native-web

Create an public/index.html file

<!DOCTYPE html>
<html lang="en">
  <head>
    <title>React Native Web App</title>
  </head>
  <body>
    <div id="root"></div>
  </body>
  <script src="./../index.web.js"></script>
</html>

Create an index.web.js file

import React from 'react'
import { AppRegistry, StyleSheet, Text, View } from 'react-native'
import App from './App'

AppRegistry.registerComponent('App', () => App)
AppRegistry.runApplication('App', {
  rootTag: document.getElementById('root'),
})

Update .gitignore

.cache
dist

Update the scripts in the package.json

  "scripts": {
    ...
    "web": "parcel public/index.html",
    "build": "parcel build index.web.js"
  },

Expo and vector-icons

The expo-web library is in an earlier stage, but if you are using react-native-vector-icons or @expo/vector-icons, it is a good option to automatically inject the icon's fonts in your HTML page.

"alias": {
  "@expo/vector-icons": "expo-web",
  "react-native-vector-icons": "expo-web/dist/exports"
}

Examples

react-native-material-ui-web-app expo-react-native-web

parcel-plugin react-native-web

babel-plugin-expo-web babel-plugin-react-native-web babel-plugin-transform-dev babel-preset-env babel-preset-react-native resolve resolve-global

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