text: 'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
  
  function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
  
  var stack = function stack(err, worker, workerId) {
    var originError = (err.stack || '').split('\n').filter(function (line) {
      return line.trim().startsWith('at');
    });
  
    var workerError = worker.split('\n').filter(function (line) {
      return line.trim().startsWith('at');
    });
  
    var diff = workerError.slice(0, workerError.length - originError.length).join('\n');
  
    originError.unshift(diff);
    originError.unshift(err.message);
    originError.unshift(`Thread Loader (Worker ${workerId})`);
  
    return originError.join('\n');
  };
  
  var WorkerError = function (_Error) {
    _inherits(WorkerError, _Error);
  
    function WorkerError(err, workerId) {
      _classCallCheck(this, WorkerError);
  
      var _this = _possibleConstructorReturn(this, (WorkerError.__proto__ || Object.getPrototypeOf(WorkerError)).call(this, err));
  
      _this.name = err.name;
      _this.message = err.message;
  
      Error.captureStackTrace(_this, _this.constructor);
  
      _this.stack = stack(err, _this.stack, workerId);
      return _this;
    }
  
    return WorkerError;
  }(Error);
  
  exports.default = WorkerError;