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boa_engine

v0.21.0 Growing

Boa is a Javascript lexer, parser and compiler written in Rust. Currently, it has support for some of the language.

Unlicense OR MIT Edition 2024 MSRV 1.88.0
Parser implementationsCompilers #parser#compiler#lexer#javascript#js

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 418 crates
  • โœ“Team maintained (3 owners)
  • !Heavy dependency tree (74 direct deps)
  • โœ“Permissive license (Unlicense OR MIT)

Security

Checking security advisories...
Downloads
2.4M
Dependents
418
Releases
11
Size
837KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

285.8K downloads in the last 30 days (9.5K/day), up 28% from the previous period.

๐Ÿ”—
Moderate adoption

418 crates depend on boa_engine. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ‘ฅ
Team maintained

This crate is maintained by a team (3 owners), reducing bus-factor risk and ensuring continuity.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 4+ years old, boa_engine hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“ฆ
Heavy dependency tree

74 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐ŸŒŸ
Used by top crates

Notable dependents include revm-inspectors, boa_runtime, rusty_ytdl, atac, cynthiaweb. When high-quality crates choose boa_engine, it's a strong quality signal.

Health Breakdown

Maintenance 12/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 18/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
8K/day avg+52%
05K10K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.20.0
43%
v0.21.0
35%
v0.19.1
10%
v0.17.3
6%
v0.18.0
6%

Release Timeline

11 releasessince 2022
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2023
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2025
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Feature Flags

default =["float16", "xsum"]

jsfuzzintlxsum*desertraceeitherannex-bfloat16*temporalflowgraphembedded_lz4experimentalintl_bundledjsvalue-enumnative-backtrace

README

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Maintainers

Dependencies
74
direct dependencies
Dependents
418
crates depend on boa_engine

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