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ReactNative.run

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

57 AI Score
Show_hn other Added Mar 27, 2026

Details

Sector
other
Total Funding
$0
Last Round
$0

About

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.<p>Open source (MIT): <a href="https:&#x2F;&#x2F;github.com&#x2F;RapidNative&#x2F;reactnative-run" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;RapidNative&#x2F;reactnative-run</a>

AI Score Reasoning

ReactNative.run demonstrates impressive technical innovation by moving the Metro bundling process entirely to the client, offering a faster and more scalable alternative to server-side solutions like Expo Snack. While the technical foundation is strong, the project is in its infancy with significant roadmap hurdles—specifically native device preview—and an unclear path to commercialization beyond a developer utility.

Source

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