Decision Workspace
boa_parser vs boa_engine vs boa_ast
Side-by-side comparison of Rust crates
58
boa_parser
growingv0.21.0
ECMAScript parser for the Boa JavaScript engine.
63
boa_engine
growingv0.21.0
Boa is a Javascript lexer, parser and compiler written in Rust. Currently, it has support for some of the language.
61
boa_ast
growingv0.21.0
Abstract Syntax Tree definition for the Boa JavaScript engine.
Core Metrics
| boa_parser | boa_engine | boa_ast | |
|---|---|---|---|
| Health Score | 58 | 63 | 61 |
| Total Downloads | 2.3M | 2.4M | 2.3M |
| 30d Downloads | 277.0K | 277.6K | 277.0K |
| Dependents | 37 | 418 | 22 |
| Releases | 8 | 11 | 9 |
| Last Updated | 157d ago | 157d ago | 157d ago |
| Age | 2y 8m | 4y | 2y 8m |
Health Breakdown
boa_parser
Maintenance
10
Quality
13
Community
15
Popularity
8
Documentation
12
boa_engine
Maintenance
12
Quality
13
Community
18
Popularity
8
Documentation
12
boa_ast
Maintenance
12
Quality
14
Community
15
Popularity
8
Documentation
12
Technical Details
| boa_parser | boa_engine | boa_ast | |
|---|---|---|---|
| Version | 0.21.0 | 0.21.0 | 0.21.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Unlicense OR MIT | Unlicense OR MIT | Unlicense OR MIT |
| Dependencies | 11 | 74 | 9 |
| Crate Size | 126KB | 837KB | 110KB |
| Features | 1 | 17 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | 1.88.0 | 1.88.0 | 1.88.0 |
| Owners | 2 (team) | 3 (team) | 2 (team) |
Links
Quick Verdict
- •boa_engine leads with a health score of 63/100, but none of the options score above 80.
- •boa_engine is depended on by 418 crates — strongest ecosystem trust.