main.js

require('dotenv').config();

const { Client, Intents } = require('discord.js');
const client = new Client({
	intents: [
		Intents.FLAGS.GUILDS,
		Intents.FLAGS.GUILD_MEMBERS,
		Intents.FLAGS.GUILD_BANS,
		Intents.FLAGS.GUILD_MESSAGES,
	],
});

// ~~ Startup ~~
client.login(process.env.TOKEN).then();
const guilds = {};
const lastSize = {};
const timeBetweenJoin = 1000;
const amountOfMembersToJoin = 10;

try {
	for (let i = 0; i < process.stdout.getWindowSize()[1]; i++) {
		console.log('\r\n');
	}
} catch (_) {}

// ~~ Client Events ~~
client.on('error', (err) => {
	console.log(err);
});

client.on('warn', (info) => {
	console.log(info);
});

client.on('disconnect', () => {
	console.log('Disconnected from Websocket');
});

client.on('reconnecting', () => {
	console.log('Reconnecting to Websocket');
});

client.once('ready', () => {
	console.log('Finished Booting');
});

client.on('guildMemberAdd', (member) => {
	try {
		guilds[member.guild.id].size;
	} catch {
		guilds[member.guild.id] = new Set();
	}

	guilds[member.guild.id].add(member);
	lastSize[member.id] = guilds[member.guild.id].size;

	setTimeout(() => {
		if (guilds[member.guild.id].size !== lastSize[member.id]) {
			delete lastSize[member.id];
			return;
		}
		delete lastSize[member.id];
		if (guilds[member.guild.id].size <= amountOfMembersToJoin - 1) {
			delete guilds[member.guild.id];
			return;
		}

		guilds[member.guild.id].forEach((m) => {
			try {
				m.ban({ reason: 'Yagi | Raid erkannt' })
					.then(() => {
						try {
							member.guild.systemChannel.messages
								.fetch({
									limit: 100,
									force: true,
									cache: true,
								})
								.then((messages) => {
									member.guild.systemChannel.bulkDelete(
										messages.filter(
											(msg) => msg.author.id === m.id
										)
									);
								})
								.catch();
						} catch {}
					})
					.catch();
			} catch {}
		});

		delete guilds[member.guild.id];
	}, timeBetweenJoin);
});