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harper-core

v1.12.0 Stable

The language checker for developers.

Apache-2.0 Edition 2024

Quick Verdict

  • โœ“Actively maintained (updated 8d ago)
  • โœ“Stable API (1.x for 2+ years)
  • โœ“Trusted by 640 crates
  • !Heavy dependency tree (33 direct deps)
  • โœ“Permissive license (Apache-2.0)

Security

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Downloads
91.3K
Dependents
640
Releases
115
Size
1.6MB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

2.2K downloads in the last 30 days (74/day), up 132% from the previous period.

๐Ÿ”—
Moderate adoption

640 crates depend on harper-core. Reasonable ecosystem adoption, though not yet a core dependency.

โœ…
Stable for 2+ years

The API has been stable (1.x) for over 2 years with 115 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

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

๐ŸŒŸ
Used by top crates

Notable dependents include harper-ls, harper-comments, harper-html, harper-tree-sitter, harper-typst. When high-quality crates choose harper-core, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 9/20

Reverse deps, ownership, ecosystem

Popularity 6/15

Downloads, momentum, growth trend

Documentation 10/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
50/day avg+67%
05010015020012/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.12.0
21%
v0.7.3
20%
v0.6.3
20%
v0.7.5
20%
v0.7.0
20%

Release Timeline

115 releasessince 2024
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2024
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2025
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2026
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Feature Flags

default =["thesaurus"]

thesaurus*concurrent

README

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Maintainers

Dependencies
33
direct dependencies
Dependents
640
crates depend on harper-core