The Expo SDK

  • expo

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The expo package is a single package you can install in any React Native app to begin using Expo modules.
  • includes core infrastructure for Expo modules: expo-modules-core and expo-modules-autolinking.
  • bundles a minimal set of Expo modules that are required by nearly every app, such as expo-asset.
  • provides @expo/cli, a small CLI that provides a clean interface around both bundlers (such as Metro and Webpack) and native build tools (Xcode, Simulator.app, Android Studio, ADB, etc.), can generate native projects with npx expo prebuild, and aligns compatible package versions with npx expo install.
  • exposes a JavaScript module that configures an app at runtime as needed to use expo-font and to function in Expo Go (optional, only if applicable).

See CONTRIBUTING for instructions on working on this package.