Decision Workspace
fastexpr-rs vs boa_engine vs obeli-sk-boa-engine
Side-by-side comparison of Rust crates
44
fastexpr-rs
growingv1.0.2
A tiny, fast Javascript expression parser
68
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.
50
obeli-sk-boa-engine
experimentalv1.0.0-obeli-sk.7
Boa is a Javascript lexer, parser and compiler written in Rust. Currently, it has support for some of the language.
Core Metrics
| fastexpr-rs | boa_engine | obeli-sk-boa-engine | |
|---|---|---|---|
| Health Score | 44 | 68 | 50 |
| Total Downloads | 3.4K | 3.0M | 1.1K |
| 30d Downloads | 0 | 343.3K | 0 |
| Dependents | 0 | 599 | 3 |
| Releases | 3 | 12 | 3 |
| Last Updated | 664d ago | 57d ago | 43d ago |
| Age | 1y 9m | 4y 2m | 1m |
Health Breakdown
fastexpr-rs
Maintenance
5
Quality
19
Community
6
Popularity
4
Documentation
10
boa_engine
Maintenance
16
Quality
13
Community
19
Popularity
8
Documentation
12
obeli-sk-boa-engine
Maintenance
11
Quality
15
Community
8
Popularity
4
Documentation
12
Technical Details
| fastexpr-rs | boa_engine | obeli-sk-boa-engine | |
|---|---|---|---|
| Version | 1.0.2 | 0.21.1 | 1.0.0-obeli-sk.7 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | MIT | Unlicense OR MIT | Unlicense OR MIT |
| Dependencies | 3 | 74 | 77 |
| Crate Size | 17KB | 837KB | 941KB |
| Features | 0 | 17 | 18 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.88.0 | 1.91.0 |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •boa_engine leads with a health score of 68/100, but none of the options score above 80.
- •boa_engine is depended on by 599 crates — strongest ecosystem trust.
- •⚠ fastexpr-rs has not been updated in over a year.
- •boa_engine is pre-1.0 — API may change.