vendor/rails/activesupport/lib/active_support/core_ext/module/loading.rb

   1 class Module
   2   # Returns String#underscore applied to the module name minus trailing classes.
   3   #
   4   #   ActiveRecord.as_load_path               # => "active_record"
   5   #   ActiveRecord::Associations.as_load_path # => "active_record/associations"
   6   #   ActiveRecord::Base.as_load_path         # => "active_record" (Base is a class)
   7   #
   8   # The Kernel module gives an empty string by definition.
   9   #
  10   #   Kernel.as_load_path # => ""
  11   #   Math.as_load_path   # => "math"
  12   def as_load_path
  13     if self == Object || self == Kernel
  14       ''
  15     elsif is_a? Class
  16       parent == self ? '' : parent.as_load_path
  17     else
  18       name.split('::').collect do |word|
  19         word.underscore
  20       end * '/'
  21     end
  22   end
  23 end