Callstack Skills

Automates iOS, tvOS, macOS and Android apps: navigate, tap, type, scroll, take screenshots and read UI information.

Writes and fixes React Native component tests with React Native Testing Library v13 and v14.

Scaffolds React Native libraries, local native modules and native views with create-react-native-library.

Provides GitHub Actions workflows that build React Native apps for the iOS simulator and Android emulator and publish the artifacts.

Performance guidelines for React Native: FPS, time to interactive, bundle size, memory leaks, re-renders and animations.

UI patterns for React Navigation: stacks, tabs, drawers, headers, bottom sheets and safe areas.

Upgrades a React Native app to a newer version by applying template diffs and migrating iOS and Android configuration.