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swc_ecma_codegen

v24.0.0 Stable

Ecmascript code generator for the swc project.

Apache-2.0 Edition 2021

Quick Verdict

  • โœ“Actively maintained (updated 30d ago)
  • โœ“Stable API (24.x for 7+ years)
  • โœ“Massive adoption (15.8K crates depend on it)
  • !Heavy dependency tree (25 direct deps)
  • โœ“Permissive license (Apache-2.0)

Security

Checking security advisories...
Downloads
7.5M
Dependents
15.8K
Releases
615
Size
64KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

565.3K downloads in the last 30 days (18.8K/day), up 51% from the previous period.

๐Ÿ›๏ธ
Foundational crate

15.8K crates depend on swc_ecma_codegen โ€” it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

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 7+ years

The API has been stable (1.x) for over 7 years with 615 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

25 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_base, swc_ecma_transforms_react, swc_ecma_transforms_typescript, swc_core, swc_ecma_minifier. When high-quality crates choose swc_ecma_codegen, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

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
13K/day avg+129%
010K20K30K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.149.1
43%
v0.148.4
19%
v0.158.1
16%
v21.0.0
13%
v0.155.1
9%

Release Timeline

615 releases1 yankedsince 2018
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2018
6
2019
12
2020
48
2021
100
2022
167
2023
185
2024
64
2025
30
2026
3
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Yanked

Feature Flags

serde-impl

README

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Maintainers

Dependencies
25
direct dependencies
Dependents
15.8K
crates depend on swc_ecma_codegen