index.js

// noinspection JSCheckFunctionSignatures,JSIgnoredPromiseFromCall

const fs = require('fs');
const dotenv = require('dotenv');
const { Client, Intents, Collection } = require('discord.js');

const { REST } = require('@discordjs/rest');
const { Routes } = require('discord-api-types/v9');

dotenv.config();

// ----------------------------------- Load all commands -----------------------------------
const commands = [];
const commandFiles = fs.readdirSync('./commands').filter(file => file.endsWith('.js'));

for (const file of commandFiles) {
	const command = require(`./commands/${file}`);
	commands.push(command.data.toJSON());
}

const rest = new REST({ version: '9' }).setToken(process.env.TOKEN);

(async () => {
	try {
		await rest.put(
			Routes.applicationGuildCommands(process.env.CLIENT_ID, process.env.GUILD_ID),
			{ body: commands },
		);

		console.log('Successfully registered application commands.');
	} catch (error) {
		console.error(error);
	}
})();
// -----------------------------------------------------------------------------------------

const client = new Client({ intents: [Intents.FLAGS.GUILDS, Intents.FLAGS.GUILD_VOICE_STATES, Intents.FLAGS.GUILD_MESSAGE_REACTIONS, Intents.FLAGS.GUILD_MESSAGES] });
client.commands = new Collection();

const eventFiles = fs.readdirSync('./events').filter(file => file.endsWith('.js'));

for (const file of commandFiles) {
	const command = require(`./commands/${file}`);
	client.commands.set(command.data.name, command);
}

for (const file of eventFiles) {
	const event = require(`./events/${file}`);
	if (event.once) {
		client.once(event.name, (...args) => event.execute(...args));
	} else {
		client.on(event.name, (...args) => event.execute(...args));
	}
}

client.login(process.env.TOKEN);