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# frozen_string_literal: true
# copied from activesupport/core_ext from Rails, MIT license
# https://github.com/rails/rails/tree/a713fdae4eb4f7ccd34932edc61561a96b8d9f35/activesupport/lib/active_support/core_ext/module
class Module
if RUBY_VERSION >= "2.3"
# Marks the named method as intended to be redefined, if it exists.
# Suppresses the Ruby method redefinition warning. Prefer
# #redefine_method where possible.
def silence_redefinition_of_method(method)
if method_defined?(method) || private_method_defined?(method)
# This suppresses the "method redefined" warning; the self-alias
# looks odd, but means we don't need to generate a unique name
alias_method method, method
end
end
else
def silence_redefinition_of_method(method)
if method_defined?(method) || private_method_defined?(method)
alias_method :__rails_redefine, method
remove_method :__rails_redefine
end
end
end
# Replaces the existing method definition, if there is one, with the passed
# block as its body.
def redefine_method(method, &block)
visibility = method_visibility(method)
silence_redefinition_of_method(method)
define_method(method, &block)
send(visibility, method)
end
# Replaces the existing singleton method definition, if there is one, with
# the passed block as its body.
def redefine_singleton_method(method, &block)
singleton_class.redefine_method(method, &block)
end
def method_visibility(method) # :nodoc:
case
when private_method_defined?(method)
:private
when protected_method_defined?(method)
:protected
else
:public
end
end
end
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