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swc_ecma_transforms_compat

v53.0.0 Stable

rust port of babel and closure compiler.

Apache-2.0 Edition 2021

Quick Verdict

  • โœ“Actively maintained (updated 7d ago)
  • โœ“Stable API (53.x for 5+ years)
  • โœ“Massive adoption (7.5K crates depend on it)
  • !Heavy dependency tree (27 direct deps)
  • โœ“Permissive license (Apache-2.0)

Security

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Downloads
2.7M
Dependents
7.5K
Releases
846
Size
21KB

Deep Insights

๐Ÿ“Š
Steady growth

141.8K downloads in the last 30 days (4.7K/day), up 7% from the previous period.

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Widely adopted

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

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Prolific maintainer

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

โœ…
Stable for 5+ years

The API has been stable (1.x) for over 5 years with 846 releases. This level of maturity means you can depend on it without worrying about breaking changes.

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Heavy dependency tree

27 direct dependencies. Consider the impact on compile times and supply chain complexity.

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Compact crate

At 20KB, swc_ecma_transforms_compat is lightweight. Small crate size correlates with focused, well-scoped functionality.

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Used by top crates

Notable dependents include swc_ecma_transforms_react, swc_ecma_transforms_typescript, swc_ecma_transforms_proposal, swc_core, swc_ecma_transforms_optimization. When high-quality crates choose swc_ecma_transforms_compat, it's a strong quality signal.

Health Breakdown

Maintenance 19/25

Recency, release consistency, active ratio

Quality 16/25

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
4K/day avg-21%
02K4K6K8K4/275/156/26/207/87/25

Top Dependents

Version Adoption

v48.0.0
34%
v49.0.0
29%
v51.0.1
17%
v47.0.0
11%
v52.0.1
9%

Release Timeline

10 releases1 yankedsince 2026
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Feature Flags

es3concurrent

README

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Maintainers

Dependencies
27
direct dependencies
Dependents
7.5K
crates depend on swc_ecma_transforms_compat