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swc_ecma_transforms

v49.0.0 Stable

rust port of babel and closure compiler.

Apache-2.0 Edition 2021

Quick Verdict

  • โœ“Actively maintained (updated 6d ago)
  • โœ“Stable API (49.x for 6+ years)
  • โœ“Massive adoption (7.4K crates depend on it)
  • โœ“Permissive license (Apache-2.0)

Security

Checking security advisories...
Downloads
2.7M
Dependents
7.4K
Releases
937
Size
19KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

83.3K downloads in the last 30 days (2.8K/day), up 60% from the previous period.

๐Ÿ”—
Widely adopted

7.4K crates depend on swc_ecma_transforms. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 215 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 6+ years

The API has been stable (1.x) for over 6 years with 937 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“
Compact crate

At 18KB, swc_ecma_transforms is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
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
2K/day avg+110%
02K4K6K12/301/172/42/223/123/29

Top Dependents

Version Adoption

v27.0.0
22%
v0.232.1
21%
v15.0.0
21%
v10.0.0
18%
v11.0.0
18%

Release Timeline

937 releasessince 2019
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2019
6
2020
75
2021
111
2022
270
2023
366
2024
67
2025
37
2026
5
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Feature Flags

es3reactcompatmodulestackerproposalconcurrenttypescriptoptimizationmulti-module-decorator

README

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Maintainers

Dependencies
16
direct dependencies
Dependents
7.4K
crates depend on swc_ecma_transforms