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Version: v4

Expo Router

Installation​

1. Install NativeWind​

You will need to install nativewind@^4.0.1 and it's peer dependencies tailwindcss and react-native-reanimated.

npm install nativewind@^4.0.1 react-native-reanimated
npm install -D tailwindcss

Run pod-install to install Reanimated pod:

npx pod-install

2. Setup Tailwind CSS​

Run npx tailwindcss init to create a tailwind.config.js file

Add the paths to all of your component files in your tailwind.config.js file.

tailwind.config.js
/** @type {import('tailwindcss').Config} */
module.exports = {
- content: [],
+ content: ["./<custom-folder>/**/*.{js,jsx,ts,tsx}"],
+ presets: [require("nativewind/preset")],
  theme: {
    extend: {},
  },
  plugins: [],
}

Create a CSS file and add the Tailwind directives

global.css
@tailwind base;
@tailwind components;
@tailwind utilities;
info

From here onwards, replace ./your-css-file.css with the relative path to the CSS file you just created

3. Add the Babel preset​

babel.config.js
module.exports = {
- presets: ['babel-preset-expo'],
+ presets: [
+   ["babel-preset-expo", { jsxImportSource: "nativewind" }],
+   "nativewind/babel",
+ ],
  plugins: [
    // Required for expo-router
    "expo-router/babel",
    "react-native-reanimated/plugin",
  ],
};

4. Modify your metro.config.js​

If your project does not have a metro.config.js run npx expo customize metro.config.js

metro.config.js
const { getDefaultConfig } = require("expo/metro-config");
+ const { withNativeWind } = require('nativewind/metro');

- const config = getDefaultConfig(__dirname)
+ const config = getDefaultConfig(__dirname, { isCSSEnabled: true })

- module.exports = config
+ module.exports = withNativeWind(config, { input: './your-css-file.css' })

5. Import your CSS file​

app/_layout.js
import Slot from "expo-router/Slot";
+ import "./<your-css-file>.css"

export default Slot

6. TypeScript (optional)​

Please follow the TypeScript guide.