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swc_ecma_transforms_testing

v43.0.0 Stable

rust port of babel and closure compiler.

Apache-2.0 Edition 2021

Quick Verdict

  • โœ“Actively maintained (updated 6d ago)
  • โœ“Stable API (43.x for 5+ years)
  • โœ“Massive adoption (9.6K crates depend on it)
  • โœ“Permissive license (Apache-2.0)

Security

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Downloads
2.8M
Dependents
9.6K
Releases
594
Size
24KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

147.4K downloads in the last 30 days (4.9K/day), up 49% from the previous period.

๐Ÿ”—
Widely adopted

9.6K crates depend on swc_ecma_transforms_testing. 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 594 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“
Compact crate

At 24KB, swc_ecma_transforms_testing 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_testing, 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
3K/day avg+151%
02K4K6K8K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.140.7
41%
v0.152.0
35%
v38.0.0
10%
v34.0.0
7%
v0.138.1
6%

Release Timeline

594 releasessince 2021
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2021
80
2022
171
2023
243
2024
60
2025
35
2026
5
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README

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Maintainers

Dependencies
18
direct dependencies
Dependents
9.6K
crates depend on swc_ecma_transforms_testing