Decision Workspace
binjs_meta vs boa_ast vs boa_engine
Side-by-side comparison of Rust crates
39
binjs_meta
growingv0.5.4
Part of binjs-ref. Tools for manipulating grammars. You probably do not want to use this crate directly unless you're writing an encoder, decoder or parser generator for binjs.
61
boa_ast
growingv0.21.0
Abstract Syntax Tree definition 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.
Core Metrics
| binjs_meta | boa_ast | boa_engine | |
|---|---|---|---|
| Health Score | 39 | 61 | 63 |
| Total Downloads | 42.9K | 2.3M | 2.4M |
| 30d Downloads | 75 | 267.0K | 267.5K |
| Dependents | 2 | 22 | 418 |
| Releases | 18 | 9 | 11 |
| Last Updated | 2209d ago | 157d ago | 157d ago |
| Age | 8y | 2y 8m | 4y |
Health Breakdown
binjs_meta
Maintenance
4
Quality
14
Community
7
Popularity
6
Documentation
8
boa_ast
Maintenance
12
Quality
14
Community
15
Popularity
8
Documentation
12
boa_engine
Maintenance
12
Quality
13
Community
18
Popularity
8
Documentation
12
Technical Details
| binjs_meta | boa_ast | boa_engine | |
|---|---|---|---|
| Version | 0.5.4 | 0.21.0 | 0.21.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | Unlicense OR MIT | Unlicense OR MIT |
| Dependencies | 7 | 9 | 74 |
| Crate Size | 34KB | 110KB | 837KB |
| Features | 0 | 3 | 17 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | 2024 | 2024 |
| MSRV | — | 1.88.0 | 1.88.0 |
| Owners | 1 | 2 (team) | 3 (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.
- •⚠ binjs_meta has not been updated in over a year.