From d12a1a5954f19fa926a4de1b88ce425782995d0a Mon Sep 17 00:00:00 2001
From: onyx-and-iris <code@onyxandiris.online>
Date: Wed, 26 Jul 2023 18:55:19 +0100
Subject: [PATCH] refactor Callbacks

---
 lib/obsws/event.rb | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/lib/obsws/event.rb b/lib/obsws/event.rb
index c56a5cc..3cbddb6 100644
--- a/lib/obsws/event.rb
+++ b/lib/obsws/event.rb
@@ -37,25 +37,26 @@ module OBSWS
     module Callbacks
       include Util
 
+      def observers
+        @observers ||= []
+      end
+
       def add_observer(observer)
-        @observers = [] unless defined?(@observers)
         observer = [observer] if !observer.respond_to? :each
-        observer.each { |o| @observers.append(o) }
+        observer.each { |o| observers << o }
       end
 
       def remove_observer(observer)
-        @observers.delete(observer)
+        observers.delete(observer)
       end
 
       def notify_observers(event, data)
-        if defined?(@observers)
-          @observers.each do |o|
-            if o.respond_to? "on_#{event.to_snake}"
-              if data.empty?
-                o.send("on_#{event.to_snake}")
-              else
-                o.send("on_#{event.to_snake}", data)
-              end
+        observers.each do |o|
+          if o.respond_to? "on_#{event.to_snake}"
+            if data.empty?
+              o.send("on_#{event.to_snake}")
+            else
+              o.send("on_#{event.to_snake}", data)
             end
           end
         end