index.js

const Discord = require('discord.js');
const dotenv = require('dotenv');

const { REST } = require('@discordjs/rest');
const { Routes } = require('discord-api-types/v9');
const fs = require('fs');
const { Player } = require('discord-player');
const { GatewayIntentBits } = require('discord.js');

dotenv.config();
const TOKEN = process.env.TOKEN;
const CLIENT_ID = process.env.CLIENT_ID;
const GUILD_ID = process.env.GUILD_ID;

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

client.slashcommands = new Discord.Collection();
client.player = new Player(client, {
    ytdlOptions: {
        quality: "highestaudio",
        highWaterMark: 1 << 25
    }
})

let commands = []

const slashFiles = fs.readdirSync("./slash").filter(file => file.endsWith(".js"));
for (const file of slashFiles) {
    const slashcmd = require(`./slash/${file}`);
    client.slashcommands.set(slashcmd.data.name, slashcmd);
    commands.push(slashcmd.data.toJSON());
}

const rest = new REST({ version: "9" }).setToken(TOKEN);
console.log("Deploying slash commands");
rest.put(Routes.applicationGuildCommands(CLIENT_ID, GUILD_ID), { body: commands })
    .then(() => {
        console.log("Successfully loaded");
    })
    .catch((err) => {
        if (err) console.log(err);
        process.exit(1);
    });

client.on("ready", () => {
    console.log(`Logged in as ${client.user.tag}`);
})
client.on("interactionCreate", (interaction) => {
    async function handleCommand() {
        if (!interaction.isCommand()) return;

        const slashcmd = client.slashcommands.get(interaction.commandName);
        if (!slashcmd) interaction.reply("Not a valid slash command");

        await interaction.deferReply();
        await slashcmd.run({ client, interaction });
    }
    handleCommand();
})

// If you want to test out your bot
client.on("messageCreate", (message) => {
    if (message.content == "Is my raccoon listening?") {
        message.reply("Listening.");
    }
})
client.login(TOKEN);