通知したり読み上げたりするIRC bot (node limoo.js --port 6667 --host irc.foobar.baz --password ****** --name qux --ssl --insecure)

limoo.js

const argv = require('minimist')(process.argv.slice(2));
const net = argv.ssl ? require('tls') : require('net');
const irc = require('slate-irc');
const dns = require('dns');
const exec = require('child_process').exec;
const growl = require('growly');

const growlIcon = Buffer.from('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', 'base64');

const log = require('util').log;

if (argv.insecure) { process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0'; }

class Limoo {
  constructor(config) {
    return this.connect(config);
  }

  connect(config) {
    const stream = net.connect({
      port: config.port,
      host: config.host
    });
    const client = irc(stream);
    if (config.password) {
      client.pass(config.password);
    }
    client.nick(config.name);
    client.user(config.name, config.name);

    client.once('welcome', (event) => {
      this.keepAlive = setInterval(() => {
        client.stream.write(`PING ${config.host}\r\n`);
      }, 30 * 1000);
    });

    // スリープから戻ったりした時に接続し直す
    client.stream.on('close', () => {
      const isOnline = setInterval(() => {
        dns.lookup('google.com', (err, address, family) => {
          if (!err) {
            log('reconnecting');
            clearInterval(this.keepAlive);
            clearInterval(isOnline);
            this.connect(config);
          }
        });
      }, 10 * 1000);
    });

    client.stream.on('error', (err) => {
      log(err.message);
    });

    client.on('message', (msg) => { // from: nick, to: channel
      if (msg.message.includes('\u0001') || msg.from.includes('ebith')) { return; }

      // Say
      if (msg.to.includes('#おいら屋ファクトリー')) {
        msg.message = msg.message.replace(/['`"\\]/g, '');
        exec(`say -v Kyoko "[[volm 0.5]] ${msg.message.replace(/((http|ftp)s?:\/\/\S+)/, 'URL省略')}"`);
      }

      // Growl
      if (!msg.to.includes('#urls')) {
        growl.notify(msg.message, {title: `${msg.from} ${msg.to}`, icon: growlIcon });
      }
    });

    return client;
  }
}

new Limoo(argv);