bot.js

const Discord = require('discord.js');
let commando = require('discord.js-commando');
const Enmap = require("enmap");
const fs = require("fs");
const path = require("path");

const client = new Discord.Client({
    partials: ['CHANNEL', 'GUILD_MEMBER', 'MESSAGE', 'REACTION', 'USER']
});
const config = require("./config.json");
client.config = config;

// This loop reads the /events/ folder and attaches each event file to the appropriate event.
fs.readdir("./events/", (err, files) => {
    if (err) return console.error(err);
    files.forEach(file => {

        // If the file is not a JS file, ignore it.
        if (!file.endsWith(".js")) return;

        // Load the event file itself
        const event = require(`./events/${file}`);

        // Get just the event name from the file name
        let eventName = file.split(".")[0];

        // Each event will be called with the client argument,
        // followed by its "normal" arguments, like message, member, etc.
        client.on(eventName, event.bind(null, client));
        delete require.cache[require.resolve(`./events/${file}`)];
    });
});

client.commands = new Enmap();
client.aliases = new Discord.Collection();

walk(`./commands/`);

client.login(config.token);

// This loop reads the /commands/ folder and attaches each command file to the appropriate command.
function walk(dir, callback) {
    fs.readdir(dir, function (err, files) {
        if (err) throw err;

        files.forEach(function (file) {
            let filepath = path.join(dir, file);
            fs.stat(filepath, function (err, stats) {
                if (stats.isDirectory()) {
                    walk(filepath, callback);
                } else if (stats.isFile() && file.endsWith('.js')) {
                    let props = require(`./${filepath}`);
                    let commandName = file.split(".")[0];
                    console.log(`Loading Command: ${commandName} ✔ Success! `);
                    client.commands.set(commandName, props);
                    if (props.config.aliases) {
                        props.config.aliases.forEach(alias => {
                            if (client.aliases.get(alias)) return console.log("Warning: Two commands share an alias name!");
                            client.aliases.set(alias, commandName);
                        });
                    };
                };
            });
        });
    });
};