Simple Twitter emoji streamer

emojis.js

const emojisStr = '😀😂😅😆😇😘😍😜😎🤓😶😏🤗😐😡😟😞🙄☹️😔😮😴💤💩😭😈👿👌👸🎅👅👀👍💪👻🤖😺🐟🐠🐷🐌🐼🐺🐯🐅🦃🐕🐇🌾🎍🍀🐾🌏🌚🌝🌞🌦🔥💥☃️✨❄️💧🍏🍊🍌🌽🍔🌮☕️🍧⚽️🏐🎖🎹🎰🎣🏓🚵🎮🎬🚗🚓🚨🚋🚠🛥🚀🚢🎠🚧🚧🚧✈️🏥📱⌨💻📠📞🔦💴💸🔮💊🔬🔭📫📈📉🖇✂️🔒🔓📒💛❤️💙💔💞💕💝💘🚾⚠️♻️🎵💬🕐🇬🇧🇺🇸🇪🇸🇵🇹🇳🇺🇳🇷🇬🇾🇬🇦🇮🇸🇯🇵';
const emojis = [...emojisStr]
  .filter(emoji => emoji.length > 0)
  .filter(emoji => emoji !== '\uFE0F');
  
module.exports = emojis;

index.js

const Twitter = require('twit');
const emojis = require('./emojis');

const twitter = new Twitter({
  consumer_key:         process.env.TWITTER_CONSUMER_KEY,
  consumer_secret:      process.env.TWITTER_CONSUMER_SECRET,
  access_token:         process.env.TWITTER_ACCESS_TOKEN_KEY,
  access_token_secret:  process.env.TWITTER_ACCESS_TOKEN_SECRET
});

const stream = twitter.stream('statuses/filter', {
  track: emojis,
  language: 'en'
});


const stats = {};

const tweetStreamer = tweet => {
  const second = Math.floor(Date.now() / 1000);
  if (stats[second] !== undefined) {
    stats[second]++;
  } else {
    stats[second] = 1;
  }
  console.log(`ID: ${tweet.id}. Text: ${tweet.text}`)
}

stream.on('tweet', tweetStreamer);

process.on('SIGINT', () => {
  console.log('Stats:');
  Object.keys(stats).forEach(second => {
    console.log(`[${second}]: ${stats[second]} tweets`);
  });
  process.exit();
});

package.json

{
  "name": "twitter-stream-test",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "twit": "^2.2.5"
  }
}