chips.js

var ImagesClient = require('google-images');
var request = require('request').defaults({ encoding: null });
var Twitter     = require('twitter');
var client      = new Twitter({
  consumer_key: '',
  consumer_secret: '',
  access_token_key: '',
  access_token_secret: ''
});

var gimg = new ImagesClient('', '');

function tweet() {
  gimg.search('potato chips', {
    page: Math.floor(Math.random() * 15)
  })
    .then(function (images) {
      var id = Math.floor(Math.random()*images.length);
      var item = images[id];
      console.log(id + '/'+images.length+' : ' + item.url);
      request.get(item.url, function (err, res, buffer) {
        var mediaType = item.type;
        var mediaData = buffer;
        var mediaSize = item.size;

        initUpload() // Declare that you wish to upload some media
          .then(appendUpload) // Send the data for the media
          .then(finalizeUpload) // Declare that you are done uploading chunks
          .then(mediaId => {
            var status = {
              status: '',
              media_ids: mediaId // Pass the media id string
            }

            client.post('statuses/update', status, function(error, tweet, response) {
              if (!error) {
//                console.log(tweet);
              }
            });
          });

          /**   * Step 1 of 3: Initialize a media upload   * @return Promise resolving to String mediaId   */
          function initUpload () {
            return makePost('media/upload', {
              command    : 'INIT',
              total_bytes: mediaSize,
              media_type : mediaType,
            }).then(data => data.media_id_string);
          }

          /**   * Step 2 of 3: Append file chunk   * @param String mediaId    Reference to media object being uploaded   * @return Promise resolving to String mediaId (for chaining)   */
          function appendUpload (mediaId) {
            return makePost('media/upload', {
              command      : 'APPEND',
              media_id     : mediaId,
              media        : mediaData,
              segment_index: 0
            }).then(data => mediaId);
          }

          /**   * Step 3 of 3: Finalize upload   * @param String mediaId   Reference to media   * @return Promise resolving to mediaId (for chaining)   */
          function finalizeUpload (mediaId) {
            return makePost('media/upload', {
              command : 'FINALIZE',
              media_id: mediaId
            }).then(data => mediaId);
          }

          /**   * (Utility function) Send a POST request to the Twitter API   * @param String endpoint  e.g. 'statuses/upload'   * @param Object params    Params object to send   * @return Promise         Rejects if response is error   */
          function makePost (endpoint, params) {
            return new Promise((resolve, reject) => {
              client.post(endpoint, params, (error, data, response) => {
                if (error) {
                  reject(error);
                } else {
                  resolve(data);
                }
              });
            });
          }
      });
    });
}

tweet();
setInterval(tweet,3600000);