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boa_engine

v0.21.1 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

  • โœ“Actively maintained (updated 57d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 599 crates
  • โœ“Team maintained (2 owners)
  • !Heavy dependency tree (74 direct deps)

Security

Checking security advisories...
Downloads
3.0M
Dependents
599
Releases
12
Size
837KB

Deep Insights

๐Ÿ“Š
Steady growth

350.1K downloads in the last 30 days (11.7K/day), up 18% from the previous period.

๐Ÿ”—
Moderate adoption

599 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 (2 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, boa_interop. When high-quality crates choose boa_engine, it's a strong quality signal.

Health Breakdown

Maintenance 16/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 19/20

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
10K/day avg+27%
05K10K15K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.20.0
37%
v0.21.0
36%
v0.21.1
12%
v0.19.1
9%
v0.17.3
6%

Release Timeline

10 releasessince 2022
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2024
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2026
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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
599
crates depend on boa_engine

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