index.js

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

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

// Add commands to client
client.commands = new Collection();
const commandFiles = fs.readdirSync('./commands').filter((file) => file.endsWith('.js'));

for (const file of commandFiles) {
    const command = require(`./commands/${file}`);
    client.commands.set(command.data.name, command);
}

// Handle commands
client.on('interactionCreate', async (interaction) => {
    if (!interaction.isCommand()) return;

    const command = 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,
        });
    }
});

client.once('ready', (c) => {
    console.log(`Ready! ${c.user.tag} is online`);
    client.user.setActivity('/build')
});

client.on('shardError', (error) => {
    console.error('A websocket connection ecountered an error:', error);
});

client.login(process.env.DISCORD_TOKEN);