bot.js

//First of all, we need to load the dependencies we downloaded!
//The auth file is important as well!
const auth = require("./auth.json");
const fs = require("fs");
const { prefix } = require("./config.json");
const Discord = require('discord.js');


const client = new Discord.Client();
client.commands = new Discord.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.name, command);
}

client.once('ready', () => {
	console.log('Ready!');
});

client.on('message', message => {
	if (!message.content.startsWith(prefix) || message.author.bot) return;

	const args = message.content.slice(prefix.length).split(/ +/);
    const commandName = args.shift().toLowerCase();

    if (!client.commands.has(commandName)) return;
    
    const command = client.commands.get(commandName);

    try {
        command.execute(message, args);
    } catch (error) {
        console.error(error);
        message.reply('there was an error trying to execute that command!');
    }
});

client.login(auth.token);