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swc_ecma_transforms_base

v45.0.0 Stable

rust port of babel and closure compiler.

Apache-2.0 Edition 2021

Quick Verdict

  • โœ“Actively maintained (updated 7d ago)
  • โœ“Stable API (45.x for 5+ years)
  • โœ“Massive adoption (17.9K crates depend on it)
  • !Heavy dependency tree (21 direct deps)
  • โœ“Permissive license (Apache-2.0)

Security

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Downloads
10.0M
Dependents
17.9K
Releases
747
Size
95KB

Deep Insights

๐Ÿ“Š
Stable downloads

668.6K downloads in the last 30 days (22.3K/day). Volume is roughly flat compared to the previous period.

๐Ÿ›๏ธ
Foundational crate

17.9K crates depend on swc_ecma_transforms_base โ€” it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

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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 747 releases. This level of maturity means you can depend on it without worrying about breaking changes.

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Heavy dependency tree

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

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Used by top crates

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

Health Breakdown

Maintenance 19/25

Recency, release consistency, active ratio

Quality 17/25

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
20K/day avg-42%
010K20K30K40K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v42.0.0
37%
v42.0.1
32%
v44.0.2
13%
v44.0.4
11%
v44.0.3
7%

Release Timeline

10 releases2 yankedsince 2026
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Feature Flags

concurrentinline-helpersconcurrent-renamer

README

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Maintainers

Dependencies
21
direct dependencies
Dependents
17.9K
crates depend on swc_ecma_transforms_base