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Contents
##
# File: <gem-root>/lib/skn_utils/exploring/configuration.rb
#
# Engines and Gem sometimes need a configuration object, this is an example
# Options class, consider OpenStruct2 or ActiveSupport::OrderedOptions as alternatives
module SknUtils
module Exploring
module Configuration
module_function
def option_defaults
@option_defaults ||= {one: 1, two: 2, three: 3}
end
def option_defaults=(parms)
@option_defaults = parms
end
def reset!
@configuration = Options.new(option_defaults)
true
end
def config
configure
end
def configure # Initialize with both the configuration keys and default values
@configuration || reset!
yield(@configuration) if block_given?
@configuration
end
private
class Options
def initialize(parms={})
parms.each_pair do |k,v|
self.singleton_class.send(:attr_accessor, k)
instance_variable_set("@#{k}",v)
end
end
end
end
# require your Gem or Engine here
end
end
# In config/initializers/gem_config.rb
# SknUtils::Exploring::Configuration.class_variable_set(:option_defaults, {one: 1, two: 2, three: 3})
Version data entries
28 entries across 28 versions & 1 rubygems