890a45216f
* 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
60 lines
1.1 KiB
JavaScript
60 lines
1.1 KiB
JavaScript
"use strict";
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function _inheritsLoose(subClass, superClass) { subClass.prototype.__proto__ = superClass && superClass.prototype; subClass.__proto__ = superClass; }
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let Base = function Base() {};
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Object.defineProperty(Base.prototype, 0, {
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value: 0,
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writable: true,
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configurable: true
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});
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Object.defineProperty(Base.prototype, 1, {
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value: 1,
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writable: true,
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configurable: true
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});
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let i = 0;
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const proper = {
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get prop() {
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return i++;
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}
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};
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let Obj =
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/*#__PURE__*/
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function (_Base) {
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function Obj() {
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return _Base.apply(this, arguments) || this;
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}
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var _proto = Obj.prototype;
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_proto.assign = function assign() {
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var _proper$prop;
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this[_proper$prop = proper.prop] = _Base.prototype[_proper$prop] + 1;
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};
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_proto.assign2 = function assign2() {
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var _i;
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this[_i = i] = _Base.prototype[_i] + 1;
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};
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_inheritsLoose(Obj, _Base);
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return Obj;
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}(Base);
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const obj = new Obj();
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obj.assign();
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expect(i).toBe(1);
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expect(obj[0]).toBe(1);
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expect(obj[1]).toBe(1);
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obj.assign2();
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expect(i).toBe(1);
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expect(obj[0]).toBe(1);
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expect(obj[1]).toBe(2);
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