Poll.js

var arr = [1, 2, 3, 4, 5];
var index = 0;

function sendRequest(){

    return new Promise( function(resolve, reject){
        index++;
        console.log(arr[index], index);
        if( 5 ==arr[index]){
            resolve({ status: 200});
        }
        resolve({status: 400});
    });

}


var isSolarReindexComplete = function(){
  
  return new Promise( function(resolve, reject){

        (function pingRequest(){
            console.count();
            sendRequest().then( function(res){
                console.log(res, 'response from server');

                if(200 == res.status){
                    resolve({status: 200, message: 'success :)'});
                    return true;
                }
                setTimeout(pingRequest, 2000);
            })

        })()
        
  });
  
};

isSolarReindexComplete().then( function(res){
    console.log(res)
});