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ecma-lex-cat

v0.1.0 Experimental

ECMAScript lexer producing Spanned<Token> values for ecma-syntax-cat. ES2024 token surface (keywords, punctuators, all numeric forms, template literals with interpolation, regex literals with last-token disambiguation, ASCII identifiers). No panics, no Rc, no interior mutability.

MIT OR Apache-2.0 Edition 2024
Parser implementationsCompilers #lexer#tokenizer#javascript#ecmascript#estree

Quick Verdict

  • โœ“Actively maintained (updated 51d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 114 crates
  • โœ“Tiny footprint (28KB, 2 deps)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
587
Dependents
114
Releases
1
Size
28KB

Deep Insights

๐Ÿ“‰
Download decline

156 downloads in the last 30 days, down 64% from the previous period. May indicate migration to alternatives.

๐Ÿ”—
Moderate adoption

114 crates depend on ecma-lex-cat. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 104 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐Ÿชถ
Minimal dependencies

Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐Ÿ“
Compact crate

At 27KB, ecma-lex-cat is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include web-api-cat, tauri-runtime-servocat, boa-cat, ecma-parse-cat, ecma-runtime-cat. When high-quality crates choose ecma-lex-cat, it's a strong quality signal.

Health Breakdown

Maintenance 10/25

Recency, release consistency, active ratio

Quality 14/25

Yanked ratio, deps, size, maturity, features

Community 12/20

Reverse deps, ownership, ecosystem

Popularity 3/15

Downloads, momentum, growth trend

Documentation 7/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
0/day avg
04/275/156/26/207/87/25

Top Dependents

Version Adoption

v0.1.0
100%

Release Timeline

1 releasessince 2026
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README

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Maintainers

Dependencies
2
direct dependencies
Dependents
114
crates depend on ecma-lex-cat

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