index.js

const fs = require('node:fs');
const path = require('node:path');
const { Client, Collection, Events, GatewayIntentBits } = require('discord.js');
const { token } = require('./config.json');

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

client.commands = new Collection();

const commandsPath = path.join(__dirname, 'commands');
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) {
    client.commands.set(command.data.name, command);
  } else {
    console.log(`[WARNING] The command at ${filePath} is missing a required "data" or "execute" property.`);
  }
}

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 });
    }
  }
});

client.once(Events.ClientReady, c => {
  console.log(`Ready! Logged in as ${c.user.tag}`);
});

client.login(token);