deploy-commands.js

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

const commandList = [];
fs.readdirSync('./commands/').forEach(dirs => {
	const commands = fs.readdirSync(`./commands/${dirs}`).filter(files => files.endsWith('.js'));

	for (const file of commands) {
        const command = require(`./commands/${dirs}/${file}`);
		commandList.push(command.data.toJSON());
        delete require.cache[require.resolve(`./commands/${dirs}/${file}`)];
    };
});

// Construct and prepare an instance of the REST module
const rest = new REST({ version: '10' }).setToken(token);

// and deploy your commands!
(async () => {
	try {
		console.log(`Started refreshing ${commandList.length} application (/) commands.`);

		// The put method is used to fully refresh all commands in the guild with the current set
		const data = await rest.put(
			Routes.applicationGuildCommands(clientId, guildId),
			{ body: commandList },
		);

		console.log(`Successfully reloaded ${data.length} application (/) commands.`);

		console.log(`Started refreshing ${data.length} global application (/) commands.`);
		await rest.put(
			Routes.applicationCommands(clientId),
			{ body: commandList },
		);
		console.log(`Successfully reloaded ${data.length} global application (/) commands.`);

	} catch (error) {
		// And of course, make sure you catch and log any errors!
		console.error(error);
	}
})();