Static code analysis · Crystal

Keep your code Crystal clear

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/ameba

Then shards install && bin/ameba. Also on Homebrew, Docker and from source.

~/projects/my-shard — ameba

$ ameba

Inspecting 108 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

108 inspected, 2 failures — run ameba --fix to autocorrect