worker-loader/dist/runtime/inline.js

worker loader module for webpack

"use strict";

/* eslint-env browser */

/* eslint-disable no-undef, no-use-before-define, new-cap */
module.exports = function (content, workerConstructor, workerOptions, url) {
  var globalScope = self || window;

  try {
    try {
      var blob;

      try {
        // New API
        blob = new globalScope.Blob([content]);
      } catch (e) {
        // BlobBuilder = Deprecated, but widely implemented
        var BlobBuilder = globalScope.BlobBuilder || globalScope.WebKitBlobBuilder || globalScope.MozBlobBuilder || globalScope.MSBlobBuilder;
        blob = new BlobBuilder();
        blob.append(content);
        blob = blob.getBlob();
      }

      var URL = globalScope.URL || globalScope.webkitURL;
      var objectURL = URL.createObjectURL(blob);
      var worker = new globalScope[workerConstructor](objectURL, workerOptions);
      URL.revokeObjectURL(objectURL);
      return worker;
    } catch (e) {
      return new globalScope[workerConstructor]("data:application/javascript,".concat(encodeURIComponent(content)), workerOptions);
    }
  } catch (e) {
    if (!url) {
      throw Error("Inline worker is not supported");
    }

    return new globalScope[workerConstructor](url, workerOptions);
  }
};