Cómo crear un bot en Discord

 var 
 Discord 
 = 
 require 
 ( 
 'discord.io' 
 ); 
 var 
 logger 
 = 
 require 
 ( 
 'winston' 
 ); 
 var 
 auth 
 = 
 require 
 ( 
 './auth.json' 
 ); 
 // Configure logger settings 
 logger 
 . 
 remove 
 ( 
 logger 
 . 
 transports 
 . 
 Console 
 ); 
 logger 
 . 
 add 
 ( 
 new 
 logger 
 . 
 transports 
 . 
 Console 
 , 
 { 
 colorize 
 : 
 true 
 }); 
 logger 
 . 
 level 
 = 
 'debug' 
 ; 
 // Initialize Discord Bot 
 var 
 bot 
 = 
 new 
 Discord 
 . 
 Client 
 ({ 
 token 
 : 
 auth 
 . 
 token 
 , 
 autorun 
 : 
 true 
 }); 
 bot 
 . 
 on 
 ( 
 'ready' 
 , 
 function 
 ( 
 evt 
 ) 
 { 
 logger 
 . 
 info 
 ( 
 'Connected' 
 ); 
 logger 
 . 
 info 
 ( 
 'Logged in as: ' 
 ); 
 logger 
 . 
 info 
 ( 
 bot 
 . 
 username 
 + 
 ' - (' 
 + 
 bot 
 . 
 id 
 + 
 ')' 
 ); 
 }); 
 bot 
 . 
 on 
 ( 
 'message' 
 , 
 function 
 ( 
 user 
 , 
 userID 
 , 
 channelID 
 , 
 message 
 , 
 evt 
 ) 
 { 
 // Our bot needs to know if it will execute a command 
 // It will listen for messages that will start with `!` 
 if 
 ( 
 message 
 . 
 substring 
 ( 
 0 
 , 
 1 
 ) 
 == 
 '!' 
 ) 
 { 
 var 
 args 
 = 
 message 
 . 
 substring 
 ( 
 1 
 ) 
 . 
 split 
 ( 
 ' ' 
 ); 
 var 
 cmd 
 = 
 args 
 [ 
 0 
 ]; 
 args 
 = 
 args 
 . 
 splice 
 ( 
 1 
 ); 
 switch 
 ( 
 cmd 
 ) 
 { 
 // !ping 
 case 
 'ping' 
 : 
 bot 
 . 
 sendMessage 
 ({ 
 to 
 : 
 channelID 
 , 
 message 
 : 
 'Pong!' 
 }); 
 break 
 ; 
 // Just add any case commands if you want to. 
 } 
 } 
 });