celluloid.rb in slack-ruby-client-0.14.5

- old
+ new

@@ -1,5 +1,6 @@
+# frozen_string_literal: true
 require 'websocket/driver'
 require 'socket'
 require 'forwardable'
 require 'celluloid/current'
 require 'celluloid/io'
@@ -34,16 +35,21 @@
             @connected = @socket.connect
             driver.start
             loop { read } if socket
           rescue EOFError, Errno::ECONNRESET, Errno::EPIPE => e
             logger.debug("#{self.class}##{__method__}") { e }
-            driver.emit(:close, WebSocket::Driver::CloseEvent.new(1001, 'server closed connection')) unless @closing
+            unless @closing
+              driver.emit(
+                :close,
+                WebSocket::Driver::CloseEvent.new(1001, 'server closed connection')
+              )
+            end
           end
 
           def disconnect!
             super
-            @ping_timer.cancel if @ping_timer
+            @ping_timer&.cancel
           end
 
           def close
             @closing = true
             super
@@ -56,10 +62,10 @@
             async.handle_read(buffer)
           end
 
           def handle_read(buffer)
             logger.debug("#{self.class}##{__method__}") { buffer }
-            driver.parse buffer if driver
+            driver&.parse buffer
           end
 
           def write(data)
             logger.debug("#{self.class}##{__method__}") { data }
             socket.write(data)