deploy_command.js

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

const commands = [];
// Grab all the command files from the commands directory you created earlier
const commandFiles = fs.readdirSync('./commands').filter(file => file.endsWith('.js'));

// Grab the SlashCommandBuilder#toJSON() output of each command's data for deployment
for (const file of commandFiles) {
	const command = require(`./commands/${file}`);
	commands.push(command.data.toJSON());
}

const rest = new REST({ version: '10' }).setToken(token);

(async () => {
	try {
		const data = await rest.put(
			Routes.applicationGuildCommands('966072568429822074', '637686035115147264'),
			{ body: commands }
		);

		console.log('success');
	}
	catch (error) {
		console.error(error);
	}
})();

// // for guild-based commands
// rest.put(Routes.applicationGuildCommands('966072568429822074', '637686035115147264'), { body: [] })
// 	.then(() => console.log('Successfully deleted all guild commands.'))
// 	.catch(console.error);

// // for global commands
// rest.put(Routes.applicationCommands('966072568429822074'), { body: [] })
// 	.then(() => console.log('Successfully deleted all application commands.'))
// 	.catch(console.error);