reactnative.run - Run React Native in your browser

Show HN: ReactNative.run – Browser Metro bundler that runs React Native

Write, bundle, and preview React Native apps instantly in your browser. Full HMR, Expo Router, and npm support.

2 points by sanketsahu 210 days ago www.reactnative.run 0 comments

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We built browser-metro, a Metro-like bundler that runs entirely in a Web Worker. It supports full HMR with React Refresh, Expo Router with file-based routing, and on-demand npm package resolution via an ESM server. API routes run in-browser through fetch interception — no server or service worker needed. Unlike Expo Snack (server-side bundling) or CodeSandbox, everything here happens client-side. Currently web-preview only; native device preview is on the roadmap.

Open source (MIT): https://github.com/RapidNative/reactnative-run

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