index.js

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

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

client.on('ready', () => {
  console.log(`Logged in as ${client.user.tag}!`);
  client.user.setActivity('with JavaScript');
});

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);
  // 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.`);
  }
}

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);
    await interaction.reply({
      content: 'There was an error while executing this command!',
      ephemeral: true,
    });
  }
});

client.login(process.env.TOKEN);