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swc_ecma_transformer

v17.0.0 Growing

Compatibility layer for the ECMAScript standard

Apache-2.0 Edition 2021

Quick Verdict

  • โœ“Actively maintained (updated 7d ago)
  • โœ“Trusted by 188 crates
  • โœ“Permissive license (Apache-2.0)

Security

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Downloads
295.9K
Dependents
188
Releases
28
Size
56KB

Deep Insights

๐Ÿ“Š
Steady growth

86.1K downloads in the last 30 days (2.9K/day), up 10% from the previous period.

๐Ÿ”—
Moderate adoption

188 crates depend on swc_ecma_transformer. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 226 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐ŸŒŸ
Used by top crates

Notable dependents include swc_ecma_preset_env, swc_ecma_compat_es2015, swc_ecma_compat_es2017, swc_ecma_compat_es2018, swc_ecma_compat_es2020. When high-quality crates choose swc_ecma_transformer, it's a strong quality signal.

Health Breakdown

Maintenance 20/25

Recency, release consistency, active ratio

Quality 18/25

Yanked ratio, deps, size, maturity, features

Community 9/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 13/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
2K/day avg+9%
01K2K3K4K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v14.0.0
34%
v14.1.0
30%
v16.0.1
15%
v13.0.0
11%
v16.0.3
9%

Release Timeline

10 releasessince 2026
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Feature Flags

es3

README

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Maintainers

Dependencies
11
direct dependencies
Dependents
188
crates depend on swc_ecma_transformer