Configuration Patterns

configuration_with_class.rb

module MyCoolModule
  class Configuration
    attr_accessor :my_value

    def initialize
      # set defaults
    end
  end

  def self.configure
    @@config = MyCoolModule::Configuration.new
    yield(@@config)
  end

  def self.initialize!
    @@config.do_something if @@config
  end
end


MyCoolModule.configure do |config|
  # override defaults
end

MyCoolModule.initialize!

configuration_with_ordered_options.rb

require 'active_support/ordered_options'

module MyCoolModule
  def self.configure
    @@config = ActiveSupport::OrderedOptions.new
    yield(@@config)
  end

  def self.initialize!
    do_something(@@config)
  end
end


MyCoolModule.configure do |config|
  # Define anything
end

MyCoolModule.initialize!