# metro-source-map

> 🚇 Source map generator for Metro.

Latest version **0.87.1** (published 2026-09-13) · MIT license · 0 weekly downloads

## Install

```sh
npm install metro-source-map
pnpm add metro-source-map
yarn add metro-source-map
bun add metro-source-map
```

## Health

**Score 70/100 (B)** — status: active.

Positive: has types; esm support; no vulnerabilities; has provenance; recently updated; high maintenance score.

Warnings: low downloads; pre 1.0.

## Facts

| | |
|---|---|
| Version | 0.87.1 |
| Published | 2026-09-13 |
| First published | 2017-12-07 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Node | ^22.13.0 \|\| ^24.3.0 \|\| >= 26.0.0 |
| Dependencies | 9 |
| Unpacked size | 177.7 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Provenance | attested (GitHub Actions) |
| GitHub stars | 5641 |
| Maintainers | fb, metro-bot |

## Links

- npm: https://www.npmjs.com/package/metro-source-map
- Repository: https://github.com/react/metro
- Homepage: https://github.com/react/metro#readme
- Issues: https://github.com/react/metro/issues
- npm.io page: https://npm.io/package/metro-source-map

## Dependencies (9)

- [ob1](https://npm.io/package/ob1.md) 0.87.1
- [vlq](https://npm.io/package/vlq.md) ^1.0.0
- [invariant](https://npm.io/package/invariant.md) ^2.2.4
- [nullthrows](https://npm.io/package/nullthrows.md) ^1.1.1
- [source-map](https://npm.io/package/source-map.md) ^0.5.6
- [@babel/types](https://npm.io/package/@babel/types.md) ^7.29.0
- [@babel/traverse](https://npm.io/package/@babel/traverse.md) ^7.29.0
- [metro-symbolicate](https://npm.io/package/metro-symbolicate.md) 0.87.1
- [flow-enums-runtime](https://npm.io/package/flow-enums-runtime.md) ^0.0.6

## Recent versions

- 0.87.1 (latest) — 2026-09-13
- 0.84.6 (0.84-stable) — 2026-09-02
- 0.83.8 (0.83-stable) — 2026-08-19
- 0.81.5 (0.81-stable) — 2025-05-06
- 0.81.0-alpha.2 (alpha) — 2024-09-25
- 0.80.12 (0.80-stable) — 2024-09-08
- 0.76.9 (0.76-stable) — 2024-01-30
- 0.84.5 — 2026-08-19
- 0.87.0 — 2026-07-13
- 0.86.0 — 2026-07-06
- 0.85.0 — 2026-06-23
- 0.84.4 — 2026-04-30
- 0.83.7 — 2026-04-29
- 0.83.6 — 2026-04-13
- 0.84.3 — 2026-04-13
- … 174 more at https://npm.io/package/metro-source-map/versions

## README

# Metro

🚇 The source map generator for [Metro](https://metrobundler.dev/).

(TODO)

---
_Source: https://npm.io/package/metro-source-map · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._