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Contents
# frozen_string_literal: true
require 'active_support/inflector'
require 'eac_ruby_utils/ruby/on_replace_objects/replace_instance_method'
module EacRubyUtils
module Ruby
class << self
def on_replace_objects
replacer = OnReplaceObjects.new
replacer.on_replacement do
yield(replacer)
end
end
end
class OnReplaceObjects
def on_replacement(&block)
clear_replacements
block.call(self)
ensure
restore_replacements
end
def replace_instance_method(a_module, method_name, &block)
add_replacement(__method__, a_module, method_name, &block)
end
def replace_self_method(object, method_name, &block)
add_replacement(:replace_instance_method, object.singleton_class, method_name, &block)
end
private
def add_replacement(method_name, *args, &block)
@replacements << replacement_class(method_name).new(*args, &block).apply
end
def replacement_class(method_name)
self.class.const_get(::ActiveSupport::Inflector.camelize(method_name))
end
def clear_replacements
@replacements = []
end
def restore_replacements
@replacements.reverse.each(&:restore)
end
end
end
end
Version data entries
115 entries across 115 versions & 2 rubygems