index.js

require('dotenv').config(); //initialize dotenv

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

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

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
  client.commands.set(command.data.name, command);
}

client.on('ready', () => {
  
});

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

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

  if (!command) 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 });
  }
});

//make sure this line is the last line
client.login(process.env.CLIENT_TOKEN); //login bot using token