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swc_ecma_transforms_compat

v45.0.0 Stable

rust port of babel and closure compiler.

Apache-2.0 Edition 2021

Quick Verdict

  • โœ“Actively maintained (updated 6d ago)
  • โœ“Stable API (45.x for 5+ years)
  • โœ“Massive adoption (7.4K crates depend on it)
  • !Heavy dependency tree (27 direct deps)
  • โœ“Permissive license (Apache-2.0)

Security

Checking security advisories...
Downloads
2.3M
Dependents
7.4K
Releases
836
Size
21KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

71.6K downloads in the last 30 days (2.4K/day), up 57% from the previous period.

๐Ÿ”—
Widely adopted

7.4K crates depend on swc_ecma_transforms_compat. 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 836 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

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

๐Ÿ“
Compact crate

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

๐ŸŒŸ
Used by top crates

Notable dependents include swc_ecma_transforms_react, swc_ecma_transforms_typescript, swc_core, swc_ecma_transforms_proposal, 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 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
2K/day avg+76%
01K2K3K4K5K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.160.5
30%
v0.170.0
20%
v0.141.11
18%
v25.0.0
17%
v0.166.1
16%

Release Timeline

836 releasessince 2021
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2021
172
2022
274
2023
288
2024
63
2025
34
2026
5
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Feature Flags

es3concurrent

README

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Maintainers

Dependencies
27
direct dependencies
Dependents
7.4K
crates depend on swc_ecma_transforms_compat