Load Script Worker

var scriptId = 'api-base-path';
var scriptElem = document.querySelector('script#' + scriptId)
var scriptBlob = new Blob([scriptElem.innerText])
var scriptURL = URL.createObjectURL(scriptBlob)


    var res = await fetch('worker.js');
    var script = await res.text();

    var scriptBlob = new Blob([script]);
    var scriptURL = URL.createObjectURL(scriptBlob);
    var worker = new Worker(scriptURL);

    return worker;