When building for web, some useless and potentially sensitive (such as hooks configuration, project folder on local computer, …) data from app.json are in
included in the bundle.
Easy to test with a new project, build for web, look into the JS chunks for “staticConfigPath” or any configuration added to app.json.
Expo CLI 4.10.1 environment info:
OS: Windows 10 10.0.19042
Node: 14.15.5 - C:\Program Files\nodejs\node.EXE
Yarn: 1.22.10 - ~\AppData\Roaming\npm\yarn.CMD
npm: 7.10.0 - C:\Program Files\nodejs\npm.CMD
Android Studio: Version 184.108.40.206 AI-191.8026.42.35.5900203
expo: ~42.0.1 => 42.0.3
react: 16.13.1 => 16.13.1
react-dom: 16.13.1 => 16.13.1
react-native: https://github.com/expo/react-native/archive/sdk-42.0.0.tar.gz => 0.63.2
react-native-web: ~0.13.12 => 0.13.18
Expo Workflow: managed