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swc_common

v19.0.0 Stable

Common utilities for the swc project.

Apache-2.0 Edition 2021

Quick Verdict

  • โœ“Actively maintained (updated 30d ago)
  • โœ“Stable API (19.x for 7+ years)
  • โœ“Massive adoption (37.5K crates depend on it)
  • !Heavy dependency tree (28 direct deps)
  • โœ“Permissive license (Apache-2.0)

Security

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Downloads
27.1M
Dependents
37.5K
Releases
337
Size
100KB

Deep Insights

๐Ÿ“Š
Steady growth

3.0M downloads in the last 30 days (100.1K/day), up 8% from the previous period.

๐Ÿ›๏ธ
Foundational crate

37.5K crates depend on swc_common 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 337 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

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

๐ŸŒŸ
Used by top crates

Notable dependents include swc_ecma_parser, swc_ecma_ast, swc_ecma_visit, swc_ecma_transforms_base, swc_ecma_codegen. When high-quality crates choose swc_common, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 19/25

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
88K/day avg+35%
050K100K150K200K250K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v5.0.0
32%
v18.0.1
22%
v17.0.1
22%
v0.33.26
14%
v0.31.16
9%

Release Timeline

337 releasessince 2018
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2018
5
2019
9
2020
27
2021
44
2022
109
2023
60
2024
43
2025
39
2026
1
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More

Feature Flags

debug__rkyv__pluginplugin-rtrkyv-implsourcemapconcurrent__plugin_rtplugin-baseplugin-modetty-emitter__plugin_modeencoding-implshrink-to-fitdiagnostic-serdeplugin_transform_schema_v1plugin_transform_schema_vtest

README

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Maintainers

Dependencies
28
direct dependencies
Dependents
37.5K
crates depend on swc_common