While add_dependency defines gems that you use as part of your code. These are gems like minitest, RSpec, or pry. The add_development_dependency lines define gems that you’re going to use during development. That’s the file that gets loaded when you require the gem! You will have most of your requires in lib/.rb (the only file at the root of /lib).
Rubymine gem manager code#
This allows you to put your code under lib// & then require it with require "/".Ī file named lib/awesome_gem/parser.rb would be required as require "awesome_gem/parser" from anywhere inside the gem. The require_paths array is where Ruby will look for your gem files when you require them. Spec.add_development_dependency "minitest", "~> 5.0" Spec.add_development_dependency "rake", "~> 10.0" Spec.add_development_dependency "bundler", "~> 1.16" Spec.summary = "Example gem for article about Ruby gems" The gem version itself is defined as a constant in lib//version.rb.
Rubymine gem manager install#
In some cases, you may need to manually install additional software that is not managed by RubyGems. This extension is built automatically for you when you install the gem. Rails, and all of its components (ActiveRecord, ActiveSupport, etc.) are distributed as Ruby gemsĪ few gems include a Ruby C extension for improved performance.Thanks to RubyGems, we have a rich ecosystem of helpful libraries just one gem install away!Ī list of gems required for a given (non-gem) project can be listed on a special file called “Gemfile” so they can be automatically installed by Bundler. A specification (“.spec”) file that comes with every gem describes dependencies (other required gems) so the code has everything it needs to work.The file structure & format of a gem makes it easy to understand how they work.It’s how we share libraries & tools in Ruby.Easily work with external services (like APIs).When you require an installed gem you’re adding extra functionality to your Ruby program.
Rubymine gem manager download#
A gem is a package that you can download & install.
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