Posting tweets

postTweet.js

// We import our installed libraries from line 1 to 3
const Tweet = require('twitter');
const dotenv  = require('dotenv').config(); // Call the config function of dotenv
const readline = require('readline');

/**
 * We create a new instance of Tweet which we required
 * above passing in our secret information as an object
 * and using process.env to fetch the actual value from
 * where it was set in our environment variable (.env file)
 */
const tweetClient = new Tweet({
  consumer_key: process.env.CONSUMER_KEY,
  consumer_secret: process.env.CONSUMER_SECRET,
  access_token_key: process.env.ACCESS_TOKEN_KEY,
  access_token_secret: process.env.ACCESS_TOKEN_SECRET
})

// We create a readline interface for reading and writing user's input:
const rl = readline.createInterface({
       input: process.stdin,
       output: process.stdout
    });

rl.question('Post a tweet: ', (tweet) => {
  /**
   * We use the post method which takes the API
   * endpoint for posting tweets, an object which
   * contains the tweet the users wants to post and
   * finally a callback which tells us if our tweet
   * has been posted or there's an error.
   **/
  tweetClient.post('statuses/update',
    { status: tweet },
    (err, res) => {
      if (!err) {
       console.log('Tweet successfully posted');
      } else {
        return console.log(err);
      }
    });
  rl.close();
});