From 7441c7af9acb849ba5f6a25895614fe5cc8023b2 Mon Sep 17 00:00:00 2001 From: Lin Jen-Shin Date: Fri, 17 Nov 2017 21:25:49 +0800 Subject: Allow initialize method and single ivar --- rubocop/cop/module_with_instance_variables.rb | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) (limited to 'rubocop/cop') diff --git a/rubocop/cop/module_with_instance_variables.rb b/rubocop/cop/module_with_instance_variables.rb index 95e612b58e8..974a23bf701 100644 --- a/rubocop/cop/module_with_instance_variables.rb +++ b/rubocop/cop/module_with_instance_variables.rb @@ -46,14 +46,18 @@ module RuboCop def check_method_definition(node) node.each_child_node(:def) do |definition| # We allow this pattern: - # def f - # @f ||= true - # end + # + # def f + # @f ||= true + # end if only_ivar_or_assignment?(definition) # We don't allow if any other ivar is used definition.each_descendant(:ivar) do |offense| add_offense(offense, :expression) end + # We allow initialize method and single ivar + elsif initialize_method?(definition) || single_ivar?(definition) + next else definition.each_descendant(:ivar, :ivasgn) do |offense| add_offense(offense, :expression) @@ -68,6 +72,16 @@ module RuboCop definition.child_nodes.size == 2 && node.or_asgn_type? && node.child_nodes.first.ivasgn_type? end + + def single_ivar?(definition) + node = definition.child_nodes.last + + definition.child_nodes.size == 2 && node.ivar_type? + end + + def initialize_method?(definition) + definition.children.first == :initialize + end end end end -- cgit v1.2.3