sentinel.js

var config = {
	channels : [ '#channel' ],
	server : "irc.freenode.net",
	botName : "sentinel123456",
};

var irc = require('irc');

var kickables = ['IRC ad service','bryanostergaard','Freenodegate','MattSTrout','engagement rates!','freenode and their ICO scam','"denial" on the freenode blog','unethical of Christel','freenode voting rights. Andrew Lee','those donations she speaks of'];

// Create the bot
var client = new irc.Client(config.server, config.botName, {
	channels : config.channels,
	showErrors: false,
});

client.on('error', function(message) {
	console.error(message);
});

client.addListener("message", function(from, to, text, message) {
	console.log(to + ' message from ' + message.nick + ': "' + text + '"');//+ message.user + '@' + message.host);
	for (var offense of kickables) {
		if (text.toLowerCase().includes(offense.toLowerCase())) {
			// blows up with an error if not OP
			//console.log('Banning ' + message.nick);
			//try {
			//	client.send('MODE', to, '+b', '*!*@' + message.host);
			//}
			//catch(error) {
			//	console.error(error);
			//}
			console.log('Kicking ' + message.nick);
			try {
				client.send('KICK', to, message.nick, 'Spam is off topic on freenode.');
			}
			catch(error) {
				console.error(error);
			}
			return;
		}
	}
});