Twitter Bot (Post Tweet with Image)

twitterBot.js

// https://developer.twitter.com/en/apply-for-access

const twitterAPI = require('twitter-api-client');
const imageToBase64 = require('image-to-base64');

var twitterClient = new twitterAPI.TwitterClient({
    apiKey: "XXXXXXXXXXXXXXXX",
    apiSecret: "XXXXXXXXXXXXXXXX",
    accessToken: "XXXXXXXXXXXXXXXX",
    accessTokenSecret: "XXXXXXXXXXXXXXXX",
});}

async function tweet(imageURL=undefined){
    var mediaId = ""; 
    var tweetStatus = "";
  
    if (imageURL) {
        mediaId = await uploadImage(imageURL);
    }

    tweetStatus += "TESTING" + "\r\n";
    tweetStatus += "\r\n";

    // https://developer.twitter.com/en/docs/twitter-api/v1/tweets/post-and-engage/api-reference/post-statuses-update
    const data = await twitterClient.tweets.statusesUpdate({ 
        status: tweetStatus,
	media_ids: mediaId
    });

    return;
}

async function uploadImage(imageURL){
    var imageData = await imageToBase64(imageURL);

    //https://developer.twitter.com/en/docs/twitter-api/v1/media/upload-media/api-reference/post-media-upload
    const data = await twitterClient.media.mediaUpload({ media_data: imageData });
    return data.media_id_string || '';
}