RubyCritic

RubyCritic is a gem that wraps around static analysis gems such as [Reek][1], [Flay][2] and [Flog][3] to provide a quality report of your Ruby code.

This gem provides features such as:

An overview of your project:

An index of the project files with their respective number of smells:

An index of the smells detected:

Finally, when analysing code like the following:

class Dirty
  def awful(x, y)
    if y
      @screen = widgets.map {|w| w.each {|key| key += 3}}
    end
  end
end

It basically turns something like this:

Into something like this:

Getting Started

RubyCritic can be installed with the following command:

$ gem install rubycritic

If you'd rather install RubyCritic using Bundler, add this line to your application's Gemfile:

gem "rubycritic", :require => false

And then execute:

$ bundle

Usage

Running rubycritic with no arguments will analyse all the Ruby files in the current directory:

$ rubycritic

Alternatively you can pass rubycritic a list of files and directories to check:

$ rubycritic app lib/foo.rb

For a full list of the command-line options run:

$ rubycritic --help

Command flag	Description
`-v/--version`	Displays the current version and exits.
`-p/--path`	Customizes the output directory.

Alternative Usage Methods

If you're fond of Guard you might like guard-rubycritic. It automatically analyses your Ruby files as they are modified.

For continuous integration, you can give Jenkins CI a spin. With it, you can easily build your own (poor-man's) Code Climate!

Improving RubyCritic

RubyCritic doesn't have to remain a second choice to other code quality analysis services. Together, we can improve it and continue to build on the great code metric tools that are available in the Ruby ecosystem.

Arguably, the better_errors gem only got popular after receiving a (pretty awesome) Pull Request that changed its page design.

Similarly, Pull Requests that improve the look and feel of the gem, that tweak the calculation of ratings or that fix existing issues will be most welcome. This is my first gem, so just commenting on an issue and giving some insight into how something should work will be appreciated. No contribution is too small.

See RubyCritic's contributing guidelines about how to proceed.

License

dereklucas/rubycritic

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