Set-lang (JS) quick.db

client.on("message", async msg => { // By FireKing , Toxic
if(msg.author.bot || msg.channel.type === "dm") return undefined; // By FireKing , Toxic
let args = msg.content.split(' '); // By FireKing , Toxic
if(args[0].toLowerCase() == `${prefix}set-lang`) { // By FireKing , Toxic
await db.fetch(`languser${msg.author.id}_`) // By FireKing , Toxic
let e = new Discord.RichEmbed() // By FireKing , Toxic
.setAuthor(msg.guild.name,msg.guild.iconURL) // By FireKing , Toxic
.setColor("BLUE") // By FireKing , Toxic
.setDescription(`**» Arabic › 1️⃣
» English › 2️⃣**`) // By FireKing , Toxic
.setFooter(msg.author.username,msg.author.avatarURL) // By FireKing , Toxic
msg.channel.send(e).then(o => { // By FireKing , Toxic
o.react("1️⃣") // By FireKing , Toxic
o.react("2️⃣") // By FireKing , Toxic
let ar = (react,user) => react.emoji.name === "1️⃣" && user.id === msg.author.id; // By FireKing , Toxic
let arabic = o.createReactionCollector(ar, { time: 0}) // By FireKing , Toxic
let us = (react,user) => react.emoji.name === "2️⃣" && user.id === msg.author.id; // By FireKing , Toxic
let usa = o.createReactionCollector(us, { time: 0}) // By FireKing , Toxic
arabic.on("collect", r => { // By FireKing , Toxic
msg.channel.send("**Done You Selected Erabic language**").then(ss => { // By FireKing , Toxic
db.set(`languser${msg.author.id}_`, "arabic") // By FireKing , Toxic
ss.delete(); // By FireKing , Toxic
o.delete(); // By FireKing , Toxic
}) // By FireKing , Toxic
}) // By FireKing , Toxic
usa.on("collect", r => { // By FireKing , Toxic
msg.channel.send("**Done You Selected English language**").then(ss => { // By FireKing , Toxic
db.set(`languser${msg.author.id}_`, "english") // By FireKing , Toxic
ss.delete(); // By FireKing , Toxic
o.delete(); // By FireKing , Toxic
}) // By FireKing , Toxic
}) // By FireKing , Toxic
}) // By FireKing , Toxic
} else { // By FireKing , Toxic
let lang = await db.fetch(`languser${msg.author.id}_`) // By FireKing , Toxic
if(lang === null) lang = "None" // By FireKing , Toxic
if(args[0].toLowerCase() == `${prefix}info-lang`) { // By FireKing , Toxic
let s = await db.fetch(`languser${msg.author.id}_`) // By FireKing , Toxic
msg.channel.send(`**You Selected ${s} language**`) // By FireKing , Toxic
}  // By FireKing , Toxic
} // By FireKing , Toxic
}) // By FireKing , Toxic