index.js

const fs = require("fs");
const path = require("path");
const { Client, Events, Collection, GatewayIntentBits } = require("discord.js");
const { config } = require("dotenv");

config();

const token = process.env.DISCORD_TOKEN;
const clientId = process.env.CLIENT_ID;
const guildId = process.env.GUILD_ID;

//create a new client instance
const client = new Client({ intents: [GatewayIntentBits.Guilds] });

client.commands = new Collection();

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'));
	
    console.log(folder)

    for (const file of commandFiles) {
        console.log(file)
		const filePath = path.join(commandsPath, file);
		const command = require(filePath);
		// Set a new item in the Collection with the key as the command name and the value as the exported module
		if ('data' in command && 'execute' in command) {
			client.commands.set(command.data.name, command);
		} else {
			console.log(`[WARNING] The command at ${filePath} is missing a required "data" or "execute" property.`);
		}
	}
}

//once the client is ready, run this code(once);
client.once(Events.ClientReady, (c) => {
  console.log(`Ready! Logged in as ${c.user.id}`);
});

//log in to discord with client token
client.login(token);

client.on(Events.InteractionCreate, async (interaction) => {
  if (!interaction.isChatInputCommand()) return;

  const command = interaction.client.commands.get(interaction.commandName);

  if (!command) {
    console.error(`No command matching ${interaction.commandName} was found.`);
    return;
  }

  try {
    await command.execute(interaction);
  } catch (error) {
    console.error(error);
    if (interaction.replied || interaction.deferred) {
      await interaction.followUp({
        content: "There was an error while executing this command!",
        ephemeral: true,
      });
    } else {
      await interaction.reply({
        content: "There was an error while executing this command!",
        ephemeral: true,
      });
    }
  }

  console.log(interaction);
});