loader.js (fix update)

const Discord = require("discord.js");
const { promisify } = require("util");
const fs = require('fs');
const readdir = promisify(require("fs").readdir);

module.exports = async (bot) => {
const folders = await readdir("./commands/");
const evtFiles = await readdir('./events/');

//commands
  folders.forEach(async folder => {
    bot.commands = new Discord.Collection();
    bot.aliases = new Discord.Collection();

    const curFiles = await readdir(`./commands/${folder}`);
    curFiles.forEach(f => {
        if(!f.endsWith(".js"))return;
        let cur = require(`../commands/${folder}/${f}`);
        bot.commands.set(cur.help.name, cur);
        if(cur.help.aliases){
            cur.help.aliases.forEach(alias => {
                if(alias){
                    bot.aliases.set(alias, cur);
                }
            })
        }
    });
});
//events
    evtFiles.forEach(file => {
       if(!file.endsWith(".js"))return;
        const eventName = file.split('.')[0];
        const event = require(`./events/${file}`);
        bot.on(eventName, event.bind(null, bot));
        delete require.cache[require.resolve(`./events/${file}`)];
    });
}