</>PackageGraphPackageGraph

metro-transform-worker

npmv0.87.0TypeScript

🚇 Transform worker for Metro.

Adopt with care

metro-transform-worker 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-transform-worker to a project.

13
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.

6
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-transform-worker, 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-transform-worker v0.87.0. Runtime dependencies are installed with the package; dev dependencies are not.

Runtime (13)

@babel/core ^7.25.2@babel/generator ^7.29.1@babel/parser ^7.29.0@babel/types ^7.29.0flow-enums-runtime ^0.0.6metro 0.87.0metro-babel-transformer 0.87.0metro-cache 0.87.0metro-cache-key 0.87.0metro-minify-terser 0.87.0metro-source-map 0.87.0metro-transform-plugins 0.87.0nullthrows ^1.1.1

Dev (2)

@react-native/metro-babel-transformer 0.78.0metro-memory-fs *

Used by

Popular packages that depend on metro-transform-worker.

@expo/metronpm

Generated and versioned meta-package wrapping Metro

↓ 0/wk◈ 5 dependents⚖ MIT
metronpm

🚇 The JavaScript bundler for React Native.

↓ 0/wk◈ 6 dependents⚖ MITTS

Relationship graph

Dependencies (left) and dependents (right) of metro-transform-worker.

metro-transform-p…metronullthrowsmetro-cache@babel/typesmetro-cache-keymetro-source-mapmetro-minify-ters…@babel/parser@babel/generatorflow-enums-runtimemetro-babel-trans…@expo/metrometro-transform-w…
metro-transform-worker dependencies dependents

Frequently installed together

metro-corenpm

🚇 Metro's core package.

↓ 11.8M/wk◈ 5 dependents⚖ MITTS
metro-transform-pluginsnpm

🚇 Transform plugins for Metro.

↓ 0/wk◈ 3 dependents⚖ MITTS
metro-source-mapnpm

🚇 Source map generator for Metro.

↓ 0/wk◈ 5 dependents⚖ MITTS
metro-confignpm

🚇 Config parser for Metro.

↓ 0/wk◈ 4 dependents⚖ MITTS
metro-symbolicatenpm

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

↓ 0/wk◈ 3 dependents⚖ MITTS
metro-babel-transformernpm

🚇 Base Babel transformer for Metro.

↓ 0/wk◈ 3 dependents⚖ MITTS
metro-cachenpm

🚇 Cache layers for Metro.

↓ 0/wk◈ 4 dependents⚖ MITTS
metro-runtimenpm

🚇 Module required for evaluating Metro bundles.

↓ 0/wk◈ 5 dependents⚖ MIT
metro-cache-keynpm

🚇 Cache key utility.

↓ 0/wk◈ 4 dependents⚖ MITTS
metro-file-mapnpm

[Experimental] - 🚇 File crawling, watching and mapping for Metro

↓ 0/wk◈ 2 dependents⚖ MITTS
metro-resolvernpm

🚇 Implementation of Metro's resolution logic.

↓ 0/wk◈ 4 dependents⚖ MITTS
metro-minify-tersernpm

🚇 Minifier for Metro based on Terser.

↓ 0/wk◈ 3 dependents⚖ MITTS

Release history

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

Recent versions of metro-transform-worker
VersionPublishedSizeLicense
0.84.67 days ago48 KBMIT
0.84.521 days ago48 KBMIT
0.83.821 days ago48 KBMIT
0.87.0latest1 month ago50 KBMIT
0.86.02 months ago50 KBMIT
0.85.02 months ago49 KBMIT
0.84.44 months ago48 KBMIT
0.83.74 months ago48 KBMIT
0.83.64 months ago48 KBMIT
0.84.34 months ago48 KBMIT
0.83.56 months ago47 KBMIT
0.84.26 months ago48 KBMIT
0.84.16 months ago42 KBMIT
0.84.06 months ago42 KBMIT
0.83.46 months ago42 KBMIT

Overview

metro-transform-worker is an npm package that 🚇 Transform worker for Metro. It has 2 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 🚇 Transform worker 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-transform-worker?

metro-transform-worker 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-transform-worker?

Run `npm install metro-transform-worker` to add metro-transform-worker to your npm project.

How many dependencies does metro-transform-worker have?

metro-transform-worker declares 15 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-transform-worker released under?

metro-transform-worker 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-transform-worker?

npm does not publish download counts. Within PackageGraph's crawl, 2 known packages depend on metro-transform-worker.

Is metro-transform-worker still maintained?

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

Does metro-transform-worker run install scripts?

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