What kind of Linter is rubocop in Ruby?

What kind of Linter is rubocop in Ruby?

RuboCop is a Ruby code style checker (linter) and formatter based on the community-driven Ruby Style Guide. RuboCop is extremely flexible and most aspects of its behavior can be tweaked via various configuration options. In practice RuboCop supports pretty much every (reasonably popular) coding style that you can think of.

Can you run rubocop in auto-correct mode?

You can also run RuboCop in an auto-correct mode, where it will try to automatically fix the problems it found in your code: Copied! See Auto-correct for more details. RuboCop comes with a preconfigured set of rules for each of its cops, based on the Ruby Style Guide .

Which is the best way to use rubocop?

Another good alternative is the usage of control flow &&/||. if something ^^ test.rb:4:5: W: Layout/EndAlignment: end at 4, 4 is not aligned with if at 2, 2. end ^^^ 1 file inspected, 5 offenses detected You can also run RuboCop in an auto-correct mode, where it will try to automatically fix the problems it found in your code:

Which is the default command line option in rubocop?

Displays the current version plus the version of Parser and Ruby. Default command-line options are loaded from .rubocop and RUBOCOP_OPTS and are combined with command-line options that are explicitly passed to rubocop . Thus, the options have the following order of precedence (from highest to lowest): Options from .rubocop file.

What kind of coding styles does rubocop support?

In practice RuboCop supports pretty much every (reasonably popular) coding style that you can think of. Apart from reporting problems in your code, RuboCop can also automatically fix some of the problems for you. RuboCop can do way more. Use -h to view all available command-line options. RuboCop supports MRI 2.4+ and JRuby 9.2+.

Is there a way to change the format of rubocop?

You can change the output format of RuboCop by specifying formatters with the -f/–format option. RuboCop ships with several built-in formatters, and also you can create your custom formatter. Additionally the output can be redirected to a file instead of $stdout with the -o/–out option.

When to use JUnit formatter in rubocop?

The junit style formatter is very useful for continuous integration systems such as Jenkins, most of which support junit formatting when parsing test results. A typical invocation in this type of scenario might look like: $ rubocop –format junit –out test -reports/junit.xml