bot.js

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

const client = new Discord.Client();
client.commands = new Discord.Collection();
const prefix = process.env.PREFIX;

const commandFiles = fs.readdirSync('./commands').filter(file => file.endsWith('.js'));

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

client.once('ready', () => {
	console.log(`PIGIIII`);
  client.user.setActivity(`${process.env.PREFIX}help`);
});

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();

  const command = client.commands.get(commandName) || client.commands.find(cmd => cmd.a && cmd.a.includes(commandName));
  if (!command) return;

		command.execute(client, message, args).catch (e => {
    console.error(e);
	});
});

client.login(process.env.CLIENT_TOKEN);