reg.js

const fs = require('node:fs');
const { REST, Routes } = require('discord.js');
const { token, clientId} = require('./config.json');

async function refreshCommands() {
	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: '10' }).setToken(token);
	try {
		console.log(`Started refreshing ${commands.length} application (/) commands.`);
		const data = await rest.put(
			Routes.applicationCommands(clientId),
			{ body: commands },
		);
		console.log(`Successfully reloaded ${data.length} application (/) commands.`);
	} catch (error) {
		console.error(error);
	}
};

refreshCommands();