# metro-symbolicate

> 🚇 A tool to find the source location from JS bundles and stack traces.

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

## Install

```sh
npm install metro-symbolicate
pnpm add metro-symbolicate
yarn add metro-symbolicate
bun add metro-symbolicate
```

Provides the command `metro-symbolicate`.

## 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 | 2019-02-25 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Node | ^22.13.0 \|\| ^24.3.0 \|\| >= 26.0.0 |
| Dependencies | 6 |
| Unpacked size | 131.4 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Provenance | attested (GitHub Actions) |
| GitHub stars | 5641 |
| Maintainers | fb, metro-bot |
| Keywords | metro |

## Links

- npm: https://www.npmjs.com/package/metro-symbolicate
- 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-symbolicate

## Dependencies (6)

- [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
- [metro-source-map](https://npm.io/package/metro-source-map.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
- … 104 more at https://npm.io/package/metro-symbolicate/versions

## README

# Metro

[![MIT licensed](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/react/metro/blob/HEAD/LICENSE)
[![npm package version](https://img.shields.io/npm/v/metro?color=brightgreen)](https://www.npmjs.com/package/metro)
[![react/metro/nightly-tests](https://github.com/react/metro/actions/workflows/nightly-tests.yml/badge.svg)](https://github.com/react/metro/actions/workflows/nightly-tests.yml)
[![Code coverage](https://codecov.io/gh/react/metro/branch/main/graph/badge.svg?token=oMHdoKhFZB)](https://codecov.io/gh/react/metro)
[![Follow @MetroBundler on Twitter](https://img.shields.io/twitter/follow/MetroBundler?style=social)](https://twitter.com/intent/follow?screen_name=MetroBundler)

🚇 The JavaScript bundler for React Native.

- **🚅 Fast**: We aim for sub-second reload cycles, fast startup and quick bundling speeds.
- **⚖️ Scalable**: Works with thousands of modules in a single application.
- **⚛️ Integrated**: Supports every React Native project out of the box.

## Installation

Metro is included with React Native — see the [React Native docs](https://reactnative.dev/docs/getting-started) to quickly get started ⏱️.

To add Metro to an existing project, see our [Getting Started guide](https://metrobundler.dev/docs/getting-started).

## Documentation

All available documentation, including on [configuring Metro](https://metrobundler.dev/docs/configuration), can be found on the [Metro website](https://metrobundler.dev/docs/getting-started).

Source code for documentation is located in this repository under `docs/`.

## Contributing

Metro was previously part of the [react-native](https://github.com/facebook/react-native) repository. In this standalone repository it is easier for the team working on Metro to respond to issues and pull requests. See [react-native#13976](https://github.com/facebook/react-native/issues/13976) for the initial announcement.

### [Code of Conduct](https://code.fb.com/codeofconduct)

Meta has adopted a Code of Conduct that we expect project participants to adhere to. Please read [the full text](https://code.fb.com/codeofconduct) so that you can understand what actions will and will not be tolerated.

### [Contributing guide](https://github.com/react/metro/blob/main/CONTRIBUTING.md)

Read our [contributing guide](https://github.com/react/metro/blob/main/CONTRIBUTING.md) to learn about our development process, how to propose bug fixes and improvements, and how to build and test your changes to Metro.

### Discussions

Larger discussions and proposals concerning React Native and Metro are discussed in [**@react-native-community/discussions-and-proposals**](https://github.com/react-native-community/discussions-and-proposals).

## License

Metro is MIT licensed, as found in the LICENSE file.

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