Decision Workspace
pattern-lexer vs plexer vs boa_engine
Side-by-side comparison of Rust crates
30
pattern-lexer
growingv0.1.1
A plugin-based lexer
37
plexer
growingv0.1.2
A Pattern-matching LEXER
66
boa_engine
growingv0.21.1
Boa is a Javascript lexer, parser and compiler written in Rust. Currently, it has support for some of the language.
Core Metrics
| pattern-lexer | plexer | boa_engine | |
|---|---|---|---|
| Health Score | 30 | 37 | 66 |
| Total Downloads | 2.4K | 3.9K | 3.7M |
| 30d Downloads | 0 | 0 | 268.7K |
| Dependents | 0 | 0 | 789 |
| Releases | 2 | 3 | 12 |
| Last Updated | 911d ago | 906d ago | 106d ago |
| Age | 2y 6m | 2y 5m | 4y 4m |
Health Breakdown
pattern-lexer
Maintenance
4
Quality
9
Community
3
Popularity
4
Documentation
10
plexer
Maintenance
5
Quality
15
Community
3
Popularity
4
Documentation
10
boa_engine
Maintenance
14
Quality
13
Community
19
Popularity
8
Documentation
12
Technical Details
| pattern-lexer | plexer | boa_engine | |
|---|---|---|---|
| Version | 0.1.1 | 0.1.2 | 0.21.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | Unlicense OR MIT |
| Dependencies | 2 | 1 | 74 |
| Crate Size | 6KB | 6KB | 837KB |
| Features | 0 | 0 | 17 |
| Yanked % | 100.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | 1.88.0 |
| Owners | 1 | 1 | 2 (team) |
Links
Quick Verdict
- •boa_engine leads with a health score of 66/100, but none of the options score above 80.
- •boa_engine is depended on by 789 crates — strongest ecosystem trust.
- •⚠ pattern-lexer, plexer have not been updated in over a year.