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metro-config

npmv0.87.0TypeScript

🚇 Config parser for Metro.

Adopt with care

metro-config is usable, with caveats. Pulls in 120 transitive packages, about 16 MB installed (at least — some of the tree is still being crawled).

  • ?Adoption: grade ?, Not reported by this registry.

    No download data reported for this package yet.

  • AMaintenance: grade A, Excellent.

    Last published 58 days ago. 34 releases in the last 2 years.

  • DWeight: grade D, Poor — a real concern.

    Pulls in 120 transitive packages, about 16 MB installed (at least — some of the tree is still being crawled).

  • ASupply chain: grade A, Excellent.

    No install scripts, 2 maintainers, and a contained dependency surface.

  • ALicense: grade A, Excellent.

    MIT — permissive, with no copyleft found in the dependency tree.

Grades are computed deterministically from registry metadata collected by PackageGraph — downloads, dependents, publish dates, the resolved dependency tree, maintainer count, and declared licenses. No third-party scores are used.

Install cost

What you actually take on by adding metro-config to a project.

7
Direct dependencies

Runtime packages this one declares itself.

120
Total installed

Distinct packages in the full runtime tree, deduplicated the way a package manager would.

16 MB
Install size

Unpacked size of this package plus its entire runtime tree.

5
Tree depth

Longest resolved dependency chain below this package.

Part of this dependency tree has not been crawled yet, so these figures are a lower bound rather than a final total.

Licenses in the dependency tree

(MIT OR CC0-1.0)0BSDApache-2.0BSD-3-ClauseISCMIT

Every license you inherit by installing metro-config, not just its own. Check this before a legal review, not after.

Compatibility

Node.js
node ^22.13.0 || ^24.3.0 || >= 26.0.0
Module format
CommonJS only
TypeScript
Types included
Install scripts
None

Dependencies

Declared by metro-config v0.87.0. Runtime dependencies are installed with the package; dev dependencies are not.

Runtime (7)

connect ^3.6.5flow-enums-runtime ^0.0.6jest-validate ^29.7.0metro 0.87.0metro-cache 0.87.0metro-core 0.87.0metro-runtime 0.87.0

Dev (3)

@types/connect ^3.4.35metro-babel-register 0.87.0pretty-format ^29.7.0

Used by

Popular packages that depend on metro-config.

@react-native/metro-confignpm

Metro configuration for React Native.

↓ 4.6M/wk◈ 6 dependents⚖ MIT
@expo/metronpm

Generated and versioned meta-package wrapping Metro

↓ 0/wk◈ 5 dependents⚖ MIT
@react-native/community-cli-pluginnpm

Core CLI commands for React Native

↓ 0/wk◈ 1 dependents⚖ MIT
metronpm

🚇 The JavaScript bundler for React Native.

↓ 0/wk◈ 6 dependents⚖ MITTS

Relationship graph

Dependencies (left) and dependents (right) of metro-config.

metro-cachejest-validatemetro-runtimeflow-enums-runtimemetroconnectmetro-core@react-native/met…@expo/metro@react-native/com…metro-config
metro-config dependencies dependents

Frequently installed together

metro-runtimenpm

🚇 Module required for evaluating Metro bundles.

↓ 0/wk◈ 5 dependents⚖ MIT
metro-corenpm

🚇 Metro's core package.

↓ 16.1M/wk◈ 5 dependents⚖ MITTS
metro-resolvernpm

🚇 Implementation of Metro's resolution logic.

↓ 0/wk◈ 4 dependents⚖ MITTS
@react-native/metro-babel-transformernpm

Babel transformer for React Native applications.

↓ 0/wk◈ 3 dependents⚖ MIT
@react-native/js-polyfillsnpm

Polyfills for React Native.

↓ 0/wk◈ 3 dependents⚖ MIT
metronpm

🚇 The JavaScript bundler for React Native.

↓ 0/wk◈ 6 dependents⚖ MITTS
debugnpm

Lightweight debugging utility for Node.js and the browser

↓ 0/wk◈ 46 dependents⚖ MIT
invariantnpm

invariant

↓ 0/wk◈ 16 dependents⚖ MIT
metro-cachenpm

🚇 Cache layers for Metro.

↓ 16.1M/wk◈ 4 dependents⚖ MITTS
@react-native/metro-confignpm

Metro configuration for React Native.

↓ 4.6M/wk◈ 6 dependents⚖ MIT
@react-native/dev-middlewarenpm

Dev server middleware for React Native

↓ 0/wk◈ 2 dependents⚖ MIT
semvernpm

The semantic version parser used by npm.

↓ 0/wk◈ 54 dependents⚖ ISC

Release history

30 releases in the last two years, typically about 11 days apart.

Recent versions of metro-config
VersionPublishedSizeLicense
0.84.67 days ago84 KBMIT
0.84.521 days ago84 KBMIT
0.83.821 days ago84 KBMIT
0.87.0latest1 month ago74 KBMIT
0.86.02 months ago82 KBMIT
0.85.02 months ago84 KBMIT
0.84.44 months ago84 KBMIT
0.83.74 months ago84 KBMIT
0.83.64 months ago84 KBMIT
0.84.34 months ago84 KBMIT
0.83.56 months ago81 KBMIT
0.84.26 months ago83 KBMIT
0.84.16 months ago66 KBMIT
0.84.06 months ago65 KBMIT
0.83.46 months ago65 KBMIT

Overview

metro-config is an npm package that 🚇 Config parser for Metro. It has 4 known dependents in the graph. The latest version is 0.87.0, released under the MIT license.

Who should use it

Teams working in the npm ecosystem who need 🚇 Config parser for Metro and value a focused solution.

When not to use it

Consider an alternative if you need to or if a more actively-maintained option better fits your npm stack.

Pros

  • Ships TypeScript type definitions.
  • Clear open-source license (MIT).

Cons

  • No significant drawbacks detected from available metadata.

Auto-generated from collected registry metadata. No external claims are inferred.

Maintainers

fbmetro-bot

Frequently asked questions

Should I use metro-config?

metro-config is usable, with caveats. Pulls in 120 transitive packages, about 16 MB installed (at least — some of the tree is still being crawled).

How do I install metro-config?

Run `npm install metro-config` to add metro-config to your npm project.

How many dependencies does metro-config have?

metro-config declares 10 direct dependencies and pulls in 120 packages in total once its runtime tree is resolved totalling about 16 MB on disk.

What license is metro-config released under?

metro-config is distributed under the MIT license. Its dependency tree also includes: (MIT OR CC0-1.0), 0BSD, Apache-2.0, BSD-3-Clause, ISC, MIT.

How popular is metro-config?

npm does not publish download counts. Within PackageGraph's crawl, 4 known packages depend on metro-config.

Is metro-config still maintained?

The most recent release of metro-config (v0.87.0) was published 1 month ago.

Does metro-config run install scripts?

No. metro-config does not define preinstall, install, or postinstall scripts, so installing it does not execute publisher-supplied code.