InstagramStats.js

//https://stackoverflow.com/questions/49812575/instagram-a-1-not-working-anymore
//https://medium.com/@nickboyce/how-to-track-your-instagram-followers-over-time-with-google-sheets-scripts-bd9f5acf5ede

// the name of the sheet within your document
var sheetName = "FollowerCount";
// the name of the Instagram account you want to track
var instagramAccountName = "ACCOUNTNAMEYOUWANTTOTRACK";

function insertFollowerCount() {
  var ss = SpreadsheetApp.getActiveSpreadsheet();
  var sheet = ss.getSheetByName(this.sheetName);
  accountdata = getInstagramData(this.instagramAccountName);
  sheet.appendRow([Utilities.formatDate(new Date(), "GMT", "yyyy-MM-dd"), accountdata.followerCount, accountdata.followCount, accountdata.mediaCount]);  
 };

function getInstagramData(username) {
  var r = new RegExp('<script type="text\/javascript">' + 
                   '([^{]+?({.*profile_pic_url.*})[^}]+?)' +
                   '<\/script>');
  var url = "https://www.instagram.com/" + username
  var source = UrlFetchApp.fetch(url).getContentText();
  var jsonStr = source.match(r)[2];
  var data = JSON.parse(jsonStr);
  console.log('data', data);
  var oldVariantOfData = data['entry_data']['ProfilePage'][0];
  console.log('oldVariantOfData', oldVariantOfData);
  
  return {
    followerCount : oldVariantOfData.graphql.user.edge_followed_by.count,
    followCount : oldVariantOfData.graphql.user.edge_follow.count, 
    mediaCount : oldVariantOfData.graphql.user.edge_owner_to_timeline_media.count
  };
}