rake

rack

devise

Draper adds an object-oriented layer of presentation logic to your Rails application.

Without Draper, this functionality might have been tangled up in procedural helpers or adding bulk to your models. With Draper decorators, you can wrap your models with presentation-related logic to organise - and test - this layer of your app much more effectively.

questions

• • <project-dir>/Gemfile
• • gem env, bundle show <gem name>
• • require File.expand_path('../boot', __FILE__) in project/config/application.rb

  Otherwise, Ruby tries adding “.rb”, “.so”, and so on to the name until found.