@legendapp/spark
v0.0.1-next.2
Published
Legend Spark — native applications with React Native and Expo
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Legend Spark
Experimental — not ready for production use. APIs, native implementations, and tooling may change.
Legend Spark adds native desktop APIs and a managed development workflow to React Native and Expo Desktop. Application JavaScript runs in Hermes; Node is not embedded.
Try the experimental release
You need Node 24.19.0 or newer. The npm package supplies the public API and spark command; the matching macOS Apple Silicon Runner downloads automatically on first launch.
npx @legendapp/spark@next create MyApp
cd MyApp
npm run macosThe development command downloads and caches a compatible Runner automatically. JavaScript edits use Fast Refresh; native changes require rebuilding.
macOS on Apple Silicon is the primary experimental target. Windows development implementations still need native acceptance; Windows production builds are not supported. Mobile and web use Expo workflows with selected shared adapters.
Documentation · Source and current setup guide · Known Windows limitations
