output.js

"use strict";

function _createSuper(Derived) { return function () { var Super = _getPrototypeOf(Derived), result; if (_isNativeReflectConstruct()) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (typeof call === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

let Base =
/*#__PURE__*/
function () {
  function Base() {}

  _createClass(Base, [{
    key: "test",
    set: function (v) {
      throw new Error("called");
    }
  }]);

  return Base;
}();

let Obj =
/*#__PURE__*/
function (_Base) {
  _inheritsLoose(Obj, _Base);

  var _super = _createSuper(Obj);

  function Obj() {
    return _Base.apply(this, arguments) || this;
  }

  var _proto = Obj.prototype;

  _proto.get = function get() {
    return _Base.prototype.test;
  };

  return Obj;
}(Base);

Object.defineProperty(Obj.prototype, 'test', {
  value: 2,
  writable: true,
  configurable: true
});
const obj = new Obj();
expect(obj.test).toBe(2);
expect(obj.get()).toBeUndefined();