module Moneta::Config::ClassMethods

@api private

Public Instance Methods

config(name, coerce: nil, default: nil, required: false, &block) click to toggle source
# File lib/moneta/config.rb, line 8
def config(name, coerce: nil, default: nil, required: false, &block)
  raise ArgumentError, 'name must be a symbol' unless Symbol === name

  defaults = config_defaults

  raise ArgumentError, "#{name} is already a config option" if defaults.key?(name)
  raise ArgumentError, "coerce must respond to :to_proc" if coerce && !coerce.respond_to?(:to_proc)

  defaults.merge!(name => default.freeze).freeze
  instance_variable_set :@config_defaults, defaults

  instance_variable_set :@config_coercions, config_coercions.merge!(name => coerce.to_proc) if coerce
  instance_variable_set :@config_required_keys, config_required_keys.add(name).freeze if required
  instance_variable_set :@config_blocks, config_blocks.merge!(name => block) if block
end
config_blocks() click to toggle source
# File lib/moneta/config.rb, line 44
def config_blocks
  config_variable(:@config_blocks) || {}
end
config_coercions() click to toggle source
# File lib/moneta/config.rb, line 40
def config_coercions
  config_variable(:@config_coercions) || {}
end
config_defaults() click to toggle source
# File lib/moneta/config.rb, line 32
def config_defaults
  config_variable(:@config_defaults) || {}
end
config_required_keys() click to toggle source
# File lib/moneta/config.rb, line 36
def config_required_keys
  config_variable(:@config_required_keys) || Set.new
end
config_struct() click to toggle source
# File lib/moneta/config.rb, line 48
def config_struct
  unless @config_struct
    keys = config_defaults.keys
    @config_struct = Struct.new(*keys) unless keys.empty?
  end

  @config_struct
end
config_variable(name) click to toggle source
# File lib/moneta/config.rb, line 24
def config_variable(name)
  if instance_variable_defined?(name)
    instance_variable_get(name).dup
  elsif superclass.respond_to?(:config_variable)
    superclass.config_variable(name)
  end
end