deploy.js

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

const commands = [];
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);
		if ('data' in command && 'execute' in command) {
			commands.push(command.data.toJSON());
		} else {
			console.log(
				`[WARNING] The command at ${filePath} is missing a required "data" or "execute" property.`
			);
		}
	}
}

const rest = new REST().setToken(config.bot.token);

(async () => {
	try {
		console.log(`Started refreshing ${commands.length} application (/) commands.`);
		const data = await rest.put(
			Routes.applicationCommands(config.bot.applicationId),
			{ body: commands }
		);

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