Removing Google Analytics and Replacing it with a cookie free Javascript Geo Tracking app

<script type="text/javascript" src="https://ipinfo.io/json?callback=myCallback">

</script>

 function myCallback(post){
session = Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15); //added 11-11 default session 

pg_name="whatever ur page name is";                  
country = post.country;
city =post.city;
ip_address = post.ip;

passVars(); //first run start script then run passvars javascript function to  pass vars to Lambda


        }  //end myCallback

function passVars() {

var date = new Date().toLocaleDateString('en-US');
var now = new Date().toLocaleTimeString();
var out = new Date().toLocaleTimeString();

   //then pass 5 objects... ses, hit2 etc to lambda and call event.ses inside lambda..note, this object must be called article
const article = { ses: session, city2: city, hit2: date, page:pg_name, ip2:ip_address,country2:country, time2:now, time3:out };
    //call Lambda function here, this next line is the AWS api gateway call to the Lambda function
fetch("https://xxxx.execute-api.us-east-2.amazonaws.com/default/saveS3", {

    method: "POST",
    // Adding body or contents to send
    body: JSON.stringify(article),
    // Adding headers to the request
    headers: {
        "Content-type": "application/json; charset=UTF-8"
    }
})

}

const AWS = require('aws-sdk');
const fetch = require('node-fetch');
const s3 = new AWS.S3();

exports.handler = async (event) => {
       //first fetch ur current json file from s3 bucket
//this handler function uses an event argument to pass data to json file saved in s3 bucket
  const res = await fetch('https://xxxx.s3.us-east-2.amazonaws.com/tracker2.json');
  const json = await res.json();

  // then add a new record
        json.push({
          // get geo data from javascript, then pass geo variables into the event object
            country: event.country2,
            session: event.ses,
            page_name: event.page,
            hit: event.hit2,
            ip: event.ip2,
            time_in: event.time2,
            time_out: event.time3,
            event_name: event.city2

        });


   //then re write the whole updated file back to s3 and it will overwrite existing json file, this is our only way of appending json data. It is similar to an SQL insert command

  var params = {
      Bucket: 'xxxx',
         Key: 'tracker2.json',
         Body: JSON.stringify(json), //pass fetch result into body with update from push
         ContentType: 'json',
   };

   var s3Response = await s3.upload(params).promise();

};

[{"country":"Philippines","session":"j4w9nq38x4nl8v1fxy3ja","page_name":"Learn Java","hit":"11/22/2021","ip":"175.176.55.14","time_in":"7:52:35 PM","time_out":"7:52:35 PM"},{"country":"United States","session":"n0ja7c6z2vlec6tn7bd","page_name":"Learn Java","hit":"11/22/2021","ip":"66.249.66.130","time_in":"7:04:57 AM","time_out":"7:04:57 AM"}]