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Contents
module Tdc
module Generators
#
# Creates ghost methods for use in generators.
#
# All ghost methods are named 'key'_definition where 'key' is a key into the instance_definition hash.
#
# Example:
#
# If an instance definition had "line" and "replenishment_parameters" keys then the following
# ghost methods could be used to refer to the value associated with those keys:
#
# line_definition
# replenishment_parameters_definition
#
module DefinitionSourcable
extend ActiveSupport::Concern
class_methods do
def source_definition_from(definition)
class_eval(<<~RUBY, __FILE__, __LINE__ + 1)
def definition_source
@definition_source ||= #{definition}
end
RUBY
end
end
def configure_definition_source(definition)
@definition_source = definition
end
private
def method_missing(method, *args)
key = transform_method_to_definition_source_key(method)
definition_source&.key?(key) ? definition_source.fetch(key) : super
end
def respond_to_missing?(method, include_all = false)
key = transform_method_to_definition_source_key(method)
definition_source&.key?(key) ? true : super
end
def transform_method_to_definition_source_key(method)
method.to_s.gsub(/_definition$/, "")
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems