Basic twitch chat bot

twitchbot.js

const tmi = require('tmi.js');

// Define configuration options
const opts = {
  identity: {
    username: 'your_username',
    password: 'oauth:your_secret_password' // get the password from https://twitchapps.com/tmi/
  },
  channels: ['your_channel_name']
};

// Create a client with our options
const client = new tmi.client(opts);

// Register our event handlers (defined below)
client.on('message', onMessageHandler);
client.on('connected', onConnectedHandler);

// Connect to Twitch:
client.connect();

// Called every time a message comes in
function onMessageHandler (target, context, msg) {
  // Remove whitespace from chat message
  const commandName = msg.trim();

  // If the command is known, let's execute it
  if (commandName === '!specs') {
    client.say(target, '[BOT] My specs are: Geforce 1060 6GB RAM');

    console.log(`* Executed ${commandName} command`);
  } else if (commandName === '!instagram') { 
    client.say(target, '[BOT] My instagram is: https://www.instagram.com/your_instagram');
  } else {
    console.log(`* Unknown command ${commandName}`);
  }
}

// Called every time the bot connects to Twitch chat
function onConnectedHandler (addr, port) {
  console.log(`* Connected to ${addr}:${port}`);
}