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# frozen_string_literal: true
require "active_support/core_ext/module/aliasing"
require "active_support/core_ext/array/extract_options"
module ActiveSupport
class Deprecation
module MethodWrapper
# Declare that a method has been deprecated.
#
# module Fred
# extend self
#
# def aaa; end
# def bbb; end
# def ccc; end
# def ddd; end
# def eee; end
# end
#
# Using the default deprecator:
# ActiveSupport::Deprecation.deprecate_methods(Fred, :aaa, bbb: :zzz, ccc: 'use Bar#ccc instead')
# # => Fred
#
# Fred.aaa
# # DEPRECATION WARNING: aaa is deprecated and will be removed from Rails 5.1. (called from irb_binding at (irb):10)
# # => nil
#
# Fred.bbb
# # DEPRECATION WARNING: bbb is deprecated and will be removed from Rails 5.1 (use zzz instead). (called from irb_binding at (irb):11)
# # => nil
#
# Fred.ccc
# # DEPRECATION WARNING: ccc is deprecated and will be removed from Rails 5.1 (use Bar#ccc instead). (called from irb_binding at (irb):12)
# # => nil
#
# Passing in a custom deprecator:
# custom_deprecator = ActiveSupport::Deprecation.new('next-release', 'MyGem')
# ActiveSupport::Deprecation.deprecate_methods(Fred, ddd: :zzz, deprecator: custom_deprecator)
# # => [:ddd]
#
# Fred.ddd
# DEPRECATION WARNING: ddd is deprecated and will be removed from MyGem next-release (use zzz instead). (called from irb_binding at (irb):15)
# # => nil
#
# Using a custom deprecator directly:
# custom_deprecator = ActiveSupport::Deprecation.new('next-release', 'MyGem')
# custom_deprecator.deprecate_methods(Fred, eee: :zzz)
# # => [:eee]
#
# Fred.eee
# DEPRECATION WARNING: eee is deprecated and will be removed from MyGem next-release (use zzz instead). (called from irb_binding at (irb):18)
# # => nil
def deprecate_methods(target_module, *method_names)
options = method_names.extract_options!
deprecator = options.delete(:deprecator) || self
method_names += options.keys
mod = Module.new do
method_names.each do |method_name|
define_method(method_name) do |*args, &block|
deprecator.deprecation_warning(method_name, options[method_name])
super(*args, &block)
end
end
end
target_module.prepend(mod)
end
end
end
end
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