bot.js is ready to mysql connection

bot.js

 const Discord = require('discord.js');
 const client = new Discord.Client();
-const ms = require('ms');
-const moment = require('moment');
 const ready = require('./events/ready');
 const message = require('./events/message');
 const settings = require('./settings.json');
@@ -10,11 +8,25 @@ const db = require('quick.db')
 const ytdl = require('discord-ytdl-core');
 const YouTube = require('simple-youtube-api');
 require('./functions')(client, ytdl, settings);
+var mysql = require('mysql');
+
+var connection = mysql.createConnection({
+    host     : settings.host,
+    user     : settings.user,
+    password : settings.password,
+    database : settings.db
+  });
+  connection.connect((err)=> {
+      if (err){
+          throw err;
+      }
+      console.log('Successfully connected to MySQL database.');
+  });
 
 client.commands = new Discord.Collection();
 client.aliases = new Discord.Collection();
 ready.ready(client);
-message.message(client, settings, Discord);
+message.message(client, settings, Discord, connection);
 client.youtube = new YouTube(settings.api);
 client.queue = new Map();
 

settings.example.json

@@ -2,5 +2,9 @@
     "prefix": "PREFİX",
     "author": "AUTHOR",
     "token": "TOKEN",
-    "api": "API TOKEN"
+    "api": "API TOKEN",
+    "host": "HOST",
+    "db": "DATABASE",
+    "user": "USER",
+    "password": "PASSWORD"
 }