React Native + Expo CNG (Managed Workflow) + Swift iOS Widget Boilerplate

This boilerplate is aimed to demonstrate a bare minimum example of how to implement iOS Widgets with React Native on Expo CNG (Managed Workflow). Notice that ios directory is not required. Based on bndkt/react-native-widget-extension.

Requirements

Tested under the following environment:

Software / Library	Version	Installation Method
macOS	13.5.1 (Ventura)	* Apple M2 Chip
Node.js	18.19.0	nodenv
EAS CLI	7.3.0	npm install --global eas-cli
Xcode	15.2 (15C500b)	App Store
fastlane	2.219.0	gem install fastlane
Expo	50.0.7	create-expo-app
React Native	0.73.4	create-expo-app

Build

npm install
eas login
eas build:configure
eas build --profile development --platform ios --local

Testing on Simulator

1. gunzip the build.
2. Drag & drop the .app file into a booted iPad simulator. iPhone simulators are known to have issues with widget testing.
3. Add the widget from Edit Home Screen menu.