Decision Workspace
vlq vs srcmap-codec vs source-map-mappings
Side-by-side comparison of Rust crates
46
vlq
growingv0.5.1
Sourcemap-style VLQ encoder and decoder
55
srcmap-codec
experimentalv0.3.0
High-performance VLQ source map codec
43
source-map-mappings
growingv0.5.0
Parse the `mappings` string from a source map.
Core Metrics
| vlq | srcmap-codec | source-map-mappings | |
|---|---|---|---|
| Health Score | 46 | 55 | 43 |
| Total Downloads | 2.7M | 213 | 88.1K |
| 30d Downloads | 295.2K | 213 | 5.6K |
| Dependents | 32 | 38 | 28 |
| Releases | 6 | 8 | 5 |
| Last Updated | 2989d ago | 12d ago | 2951d ago |
| Age | 8y 6m | 17d | 8y 3m |
Health Breakdown
vlq
Maintenance
4
Quality
15
Community
8
Popularity
8
Documentation
11
srcmap-codec
Maintenance
16
Quality
16
Community
10
Popularity
3
Documentation
10
source-map-mappings
Maintenance
4
Quality
15
Community
10
Popularity
6
Documentation
8
Technical Details
| vlq | srcmap-codec | source-map-mappings | |
|---|---|---|---|
| Version | 0.5.1 | 0.3.0 | 0.5.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0/MIT | MIT | Apache-2.0/MIT |
| Dependencies | 1 | 2 | 3 |
| Crate Size | 9KB | 21KB | 30KB |
| Features | 0 | 2 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | 2024 | — |
| MSRV | — | — | — |
| Owners | 2 | 1 | 1 |
Links
Quick Verdict
- •srcmap-codec leads with a health score of 55/100, but none of the options score above 80.
- •vlq has the most downloads (2.7M), suggesting wider adoption.
- •⚠ vlq, source-map-mappings have not been updated in over a year.