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swc_ecma_transforms_optimization

v41.0.0 Stable

rust port of babel and closure compiler.

Apache-2.0 Edition 2021

Quick Verdict

  • โœ“Actively maintained (updated 6d ago)
  • โœ“Stable API (41.x for 5+ years)
  • โœ“Massive adoption (5.7K crates depend on it)
  • !Heavy dependency tree (24 direct deps)
  • โœ“Permissive license (Apache-2.0)

Security

Checking security advisories...
Downloads
3.6M
Dependents
5.7K
Releases
865
Size
81KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

180.1K downloads in the last 30 days (6.0K/day), up 53% from the previous period.

๐Ÿ”—
Widely adopted

5.7K crates depend on swc_ecma_transforms_optimization. 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 5+ years

The API has been stable (1.x) for over 5 years with 865 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

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

๐ŸŒŸ
Used by top crates

Notable dependents include swc_core, swc_ecma_minifier, deno_ast, swc, swc_bundler. When high-quality crates choose swc_ecma_transforms_optimization, it's a strong quality signal.

Health Breakdown

Maintenance 19/25

Recency, release consistency, active ratio

Quality 18/25

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+95%
02K4K6K8K10K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v32.0.0
34%
v0.208.0
18%
v0.195.1
17%
v0.201.2
16%
v21.0.0
16%

Release Timeline

865 releasessince 2021
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2021
116
2022
259
2023
366
2024
78
2025
42
2026
4
Less
More

Feature Flags

es3debugconcurrent

README

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Maintainers

Dependencies
24
direct dependencies
Dependents
5.7K
crates depend on swc_ecma_transforms_optimization