Installing RuboCop in Atom.

RubyCop is a great way to make sure your team is following a clear set of Ruby programming standards. It makes sure you use current syntax, avoid unnecessary returns, improve if statement syntaxes and more.

Installing it in Atom is extremely easy due to it's packaging system.

Here's how you do it!

(This guide assumes you're using the latest version of Atom (>= 0.210.0))

Updated June 26th, 2015! (This guide assumes you're using the latest version of Atom (>= 1.0))

Install RuboCop

$ gem install rubocop

This will install the RuboCop executable that lints your Ruby and Rails code.

Install Atom Linter

$ apm install linter

This will install the base linter that runs all other linter dialects.

Install linter-rubocop

$ apm install linter-rubocop

This will install the RuboCop linter that checks your code against RuboCop's rules. It's triggered off of every save and you don't have to do anything to use it.

Just type your code and RuboCop will keep your ego in check.

And that's all there is to it. RuboCop in a nutshell, extremely simple to use.