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Contents
require 'inflecto'
module Dry
module System
# Default component loader implementation
#
# This class is configured by default for every System::Container. You can
# provide your own and use it in your containers too.
#
# @example
# class MyLoader < Dry::System::Loader
# def call(*args)
# constant.build(*args)
# end
# end
#
# class MyApp < Dry::System::Container
# configure do |config|
# # ...
# config.loader MyLoader
# end
# end
#
# @api public
class Loader
# @!attribute [r] path
# @return [String] Path to component's file
attr_reader :path
# @api private
def initialize(path)
@path = path
end
# Returns component's instance
#
# Provided optional args are passed to object's constructor
#
# @param [Array] *args Optional constructor args
#
# @return [Object]
#
# @api public
def call(*args)
if singleton?(constant)
constant.instance(*args)
else
constant.new(*args)
end
end
# Return component's class constant
#
# @return [Class]
#
# @api public
def constant
Inflecto.constantize(Inflecto.camelize(path))
end
private
# @api private
def singleton?(constant)
constant.respond_to?(:instance) && !constant.respond_to?(:new)
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems