# callstack/repack

A webpack-based toolkit to build your React Native application with full support of webpack ecosystem.

Repository: https://github.com/callstack/repack
Canonical: https://ross.abutalabs.com/products/repack
Homepage: https://re-pack.dev
Language: TypeScript
License: MIT
License Family: permissive
Topics: react-native, webpack, code-splitting, module-federation, bundler, hacktoberfest, react, typescript
Last push: 2026-08-22T20:19:50+00:00

## Health v2 (maintenance only)
Score: 98/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 99, release rhythm 96, longevity 100
- inputs: {"age_days": 2021, "days_push": 11, "days_rel": 28, "gap_med": 19.0, "n_releases_24m": 21}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1932, forks 162 (observed 2026-08-28T04:05:56.240490+00:00)

## What it is
Re.Pack is a bundling toolkit for React Native applications powered by Rspack and Webpack, serving as a drop-in replacement for Metro. It provides access to the webpack ecosystem of plugins and loaders, plus code splitting and Module Federation support for mobile microfrontends.

## Use cases
- replace Metro with webpack for a React Native app
- implement microfrontends in a mobile app with Module Federation
- split a React Native bundle into on-demand chunks
- reduce Hermes bytecode size with tree shaking
- use webpack loaders and plugins in React Native
- get HMR and fast refresh dev server for React Native

## When to choose
- you need webpack/Rspack ecosystem features in React Native
- you're building a mobile microfrontends architecture with Module Federation
- you want code splitting and smaller bundles than Metro provides

## When to avoid
- you have a simple React Native app where Metro works fine
- you're on an old React Native version below 0.74
- you don't want to maintain custom bundler configuration

## Facets
- artifact type: framework
- maturity: active
- function: build-tool, developer-tools
- domain: mobile-development, frontend, developer-tools
- platform: cross-platform, cli
- tags: react-native, webpack, rspack, bundler, module-federation, code-splitting, metro-replacement, microfrontends, hermes, nodejs

## Member repositories
- callstack/repack (main) score 98

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:56.240490+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T03:08:40.425077+00:00, confidence not recorded.
  - readme: https://github.com/callstack/repack (fetched 2026-08-28T04:05:56.240490+00:00, sha bd91d7eaa4c6)
  - homepage: https://re-pack.dev (fetched 2026-08-29T10:48:24.730640+00:00, sha 96c2e1760073)
  - site_page: https://re-pack.dev/docs/getting-started/quick-start (fetched 2026-08-29T10:48:24.740485+00:00, sha 61fbdeef5308)
  - site_page: https://re-pack.dev/docs/getting-started/introduction (fetched 2026-08-29T10:48:24.742611+00:00, sha da1a15f32db5)
- Data as of 2026-08-30T08:39:29.467469+00:00.