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swc_ecma_transforms

v54.0.0 Stable

rust port of babel and closure compiler.

Apache-2.0 Edition 2021

Quick Verdict

  • โœ“Actively maintained (updated 1d ago)
  • โœ“Stable API (54.x for 7+ years)
  • โœ“Massive adoption (7.5K crates depend on it)
  • โœ“Permissive license (Apache-2.0)

Security

Checking security advisories...
Downloads
2.9M
Dependents
7.5K
Releases
942
Size
19KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

93.0K downloads in the last 30 days (3.1K/day), up 25% from the previous period.

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Widely adopted

7.5K crates depend on swc_ecma_transforms. Strong ecosystem adoption means battle-tested code and long-term stability.

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Prolific maintainer

The primary maintainer publishes 225 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 7+ years

The API has been stable (1.x) for over 7 years with 942 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“
Compact crate

At 19KB, swc_ecma_transforms is lightweight. Small crate size correlates with focused, well-scoped functionality.

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Used by top crates

Notable dependents include swc, swc_ecma_preset_env, swc_ecmascript, binding_macros, swc_estree_compat. When high-quality crates choose swc_ecma_transforms, it's a strong quality signal.

Health Breakdown

Maintenance 19/25

Recency, release consistency, active ratio

Quality 20/25

Yanked ratio, deps, size, maturity, features

Community 12/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 13/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
3K/day avg+14%
02K4K6K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v47.0.0
37%
v52.0.0
28%
v51.0.0
18%
v46.0.0
10%
v48.0.0
8%

Release Timeline

10 releasessince 2026
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Feature Flags

es3reactcompatmodulestackerproposalconcurrenttypescriptoptimizationmulti-module-decorator

README

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Maintainers

Dependencies
16
direct dependencies
Dependents
7.5K
crates depend on swc_ecma_transforms