Justin Ridgewell 890a45216f
Update super property get/set/call in loose mode (#7774)
* Update super property get/set/call in loose mode

Follows the plan laid out in https://github.com/babel/babel/pull/7553#issuecomment-381434519.

With #7691, this closes #7553, closes #4312.

* Post #7772

* Memoized property
2018-04-22 13:49:19 -04:00

46 lines
1.4 KiB
JavaScript

"use strict";
function _inheritsLoose(subClass, superClass) { subClass.prototype.__proto__ = superClass && superClass.prototype; 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 = function Base() {};
let value = 2;
let Obj =
/*#__PURE__*/
function (_Base) {
function Obj() {
return _Base.apply(this, arguments) || this;
}
var _proto = Obj.prototype;
_proto.set = function set() {
return this.test = 3;
};
_createClass(Obj, [{
key: "test",
set: function (v) {
value = v;
}
}]);
_inheritsLoose(Obj, _Base);
return Obj;
}(Base);
const obj = new Obj();
expect(obj.set()).toBe(3);
expect(Base.prototype.test).toBeUndefined();
expect(Obj.prototype.test).toBeUndefined(); // This is incorrect according to the spec,
// but close enough for loose.
expect(value).toBe(3);
expect(obj.test).toBe(undefined);