index.js

const { Client, Collection, MessageEmbed, Presence } = require("discord.js");
const client = new Client();
const token = "rahasia"
const prefix = "t!"

client.on("ready", () => {
    console.log("Ticket Manager Online.")
    client.user.setActivity('Type t!help To Get Started', { type: 'PLAYING' })
})

const fs = require('fs');
client.commands = new Collection()
client.aliases = new Collection();

fs.readdir("./commands/", (err, files) => {
    if (err) console.log(err)

    let jsfile = files.filter(f => f.split(".").pop() === 'js')
    if(jsfile.length <= 0) {
        return console.log("I couldnt file commands!");
    }

    jsfile.forEach((file, i) => {
        let pullcmd = require(`./commands/${file}`)
        client.commands.set(pullcmd.config.name, pullcmd)
        pullcmd.config.aliases.forEach(alias => {
            client.aliases.set(alias, pullcmd.config.name)
        })
    })
})

client.on("message", async message => {

    let messageArray = message.content.split(" ")
    let cmd = messageArray[0]
    let args = messageArray.slice(1)

    if(!message.content.startsWith(prefix)) return;
    let commandfile = client.commands.get(cmd.slice(prefix.length)) || client.commands.get(client.aliases.get(cmd.slice(prefix.length)))
    if (commandfile) commandfile.run(client, message, args)
})
client.login(token)