01 · Speed
Fast
Native Crystal with its own AST parser and lexer. Lints large code bases in milliseconds.
Static code analysis · Crystal
Keep your Crystal code clean.
A fast, modular linter for Crystal — hundreds of rules, autocorrection and editor support, shipped as a single binary.
shard.yml
development_dependencies:
ameba:
github: crystal-ameba/amebaThen shards install && bin/ameba. Also on Homebrew, Docker and from source.
$ ameba
Inspecting 107 files
...............F.....................FF..........
src/ameba/formatter/flycheck_formatter.cr:6:37
W Lint/UnusedArgument: Unused argument `location`.
> source.issues.each do |issue, location|
^------^
src/ameba/formatter/base_formatter.cr:16:7 [Correctable]
C Style/RedundantReturn: Redundant `return` detected
> return size += issues.size
^------------------------^
Finished in 389.45 milliseconds
107 inspected, 3 failures — run ameba --fix to autocorrect
Why ameba
Built for the way Crystal developers work.
02 · Fixes
Autocorrect
Issues flagged as [Correctable] can be rewritten for you. Run ameba --fix and move on.
03 · Control
Configurable
Tune every rule from a single config file. Enable only what you need.
04 · Anywhere
Editor support
Diagnostics in VS Code, Vim, Emacs and Sublime, plus CI and code-quality integrations.
1
Single static binary
0
Runtime dependencies
<1s
To lint a typical project
MIT
Open source license