SQS Lambda poll code

index.js

var AWS = require('aws-sdk');


exports.handler = function(event, context, callback) {

    var sqs = new AWS.SQS({ apiVersion: "2017-12-29" });
    var queueURL = "https://sqs.us-east-1.amazonaws.com/1234567890/Tasks";
    
    var params = {
      AttributeNames: ["SentTimestamp"],
      MaxNumberOfMessages: 1,
      MessageAttributeNames: ["All"],
      QueueUrl: queueURL,
      VisibilityTimeout: 2,
      WaitTimeSeconds: 0
    };

    sqs.receiveMessage(params, (err,data)=>{
        if(err){
            console.log(err);
        }else
        {
            console.log("Received Data:",data);
            sqs.deleteMessage(deleteParams, function(err, data) {
              if (err) {
                console.log("Delete Error", err);
              } else {
                console.log("Message Deleted", data);
              }
            });
        }
    })
    
    var count = 0;
    var x = setInterval(()=>{
            count ++;
            console.log("process " +count);
            if(count >10){
                clearInterval(x);
                console.log('task end')
                callback();
            }
        },1000)
    
    console.log('lambda end')

};