index.js

const { Client, Collection, GatewayIntentBits, Partials } = require("discord.js");
const fs = require("node:fs");
const path = require("node:path");
require("dotenv").config();

// Create a new client instance
const client = new Client ({
	intents: [
		GatewayIntentBits.Guilds,
		GatewayIntentBits.MessageContent,
		GatewayIntentBits.GuildPresences,
		GatewayIntentBits.GuildMessages,
		GatewayIntentBits.GuildMessageReactions,
		GatewayIntentBits.GuildMembers,
	],
	partials: [
		Partials.User,
		Partials.Message,
		Partials.Reaction,
		Partials.Channel,
		Partials.GuildMember,
	],
});

// Command Handler
client.commands = new Collection();

const foldersPath = path.join(__dirname, "commands");
const commandFolders = fs.readdirSync(foldersPath);

for (const folder of commandFolders) {
	const commandsPath = path.join(foldersPath, folder);
	const commandFiles = fs.readdirSync(commandsPath).filter(file => file.endsWith(".js"));
	for (const file of commandFiles) {
		const filePath = path.join(commandsPath, file);
		const command = require(filePath);
		// Set a new item in the Collection with the key as the command name and the value as the exported module
		if ("data" in command && "execute" in command) {
			client.commands.set(command.data.name, command);
		} else {
			console.log(`[WARNING] The command at ${filePath} is missing a required "data" or "execute" property.`);
		}
	}
}

// Event Handler
const eventsPath = path.join(__dirname, "events");
const eventFiles = fs.readdirSync(eventsPath).filter(file => file.endsWith(".js"));

for (const file of eventFiles) {
	const filePath = path.join(eventsPath, file);
	const event = require(filePath);
	if (event.once) {
		client.once(event.name, (...args) => event.execute(...args));
	} else {
		client.on(event.name, (...args) => event.execute(...args));
	}
}

// Login to Discord with your client's token
client.login(process.env.token);