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tree-sitter-lean4

v0.2.2 Experimental

Tree-sitter grammar for Lean 4 (generates parser at build time)

MIT Edition 2021
Parsing toolsText editors #parser#lean#tree-sitter#lean4

Quick Verdict

  • โœ“Actively maintained (updated 30d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Tiny footprint (1.5MB, 2 deps)
  • โœ“Permissive license (MIT)

Security

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Downloads
345
Dependents
9
Releases
13
Size
1.5MB

Deep Insights

๐Ÿ“Š
Stable downloads

150 downloads in the last 30 days (5/day). Volume is roughly flat compared to the previous period.

๐Ÿชถ
Minimal dependencies

Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

Health Breakdown

Maintenance 11/25

Recency, release consistency, active ratio

Quality 12/25

Yanked ratio, deps, size, maturity, features

Community 9/20

Reverse deps, ownership, ecosystem

Popularity 3/15

Downloads, momentum, growth trend

Documentation 10/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
4/day avg+152%
01020304012/301/172/42/223/123/29

Version Adoption

v0.2.2
63%
v0.0.2
18%
v0.0.6
6%
v0.0.1
6%
v0.0.3
6%

Release Timeline

13 releasessince 2026
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README

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Maintainers

Dependencies
2
direct dependencies
Dependents
9
crates depend on tree-sitter-lean4

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