From c09e2c647fd189922106216993fcd86fe6976b58 Mon Sep 17 00:00:00 2001
From: Marc-Andre Lafortune <github@marc-andre.ca>
Date: Sat, 18 Jul 2020 17:51:13 -0400
Subject: [PATCH] Refactor Commissionner

---
 lib/rubocop/cop/commissioner.rb | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/lib/rubocop/cop/commissioner.rb b/lib/rubocop/cop/commissioner.rb
index 3050122efa6..e154292aa30 100644
--- a/lib/rubocop/cop/commissioner.rb
+++ b/lib/rubocop/cop/commissioner.rb
@@ -42,7 +42,7 @@ def initialize(cops, forces = [], options = {})
         @cops = cops
         @forces = forces
         @options = options
-        @callbacks = {}
+        @callbacks = Hash.new { |h, k| h[k] = cops_callbacks_for(k) }
 
         reset
       end
@@ -83,9 +83,6 @@ def investigate(processed_source)
       private
 
       def trigger_responding_cops(callback, node)
-        @callbacks[callback] ||= @cops.select do |cop|
-          cop.respond_to?(callback)
-        end
         @callbacks[callback].each do |cop|
           with_cop_error_handling(cop, node) do
             cop.send(callback, node)
@@ -97,6 +94,12 @@ def reset
         @errors = []
       end
 
+      def cops_callbacks_for(callback)
+        @cops.select do |cop|
+          cop.respond_to?(callback)
+        end
+      end
+
       def invoke(callback, cops, *args)
         cops.each do |cop|
           with_cop_error_handling(cop) do