1# @expo/metro-runtime 2 3Injects runtime code required for advanced Metro bundling features in the Expo ecosystem. 4 5## Usage 6 7> `expo-router` users do not need to install this package, it is already included. 8 9```js 10yarn add @expo/metro-runtime 11``` 12 13Import this somewhere in the initial bundle. For example, the `App.js`: 14 15```js 16import '@expo/metro-config'; 17``` 18 19`expo/metro-config` will automatically move this import to be first in the bundle. 20