use swc_common::chain; use swc_ecma_parser::Syntax; use swc_ecma_transforms_base::resolver::resolver; use swc_ecma_transforms_compat::es2015::arrow; use swc_ecma_transforms_compat::es2015::block_scoping; use swc_ecma_transforms_compat::es2015::classes; use swc_ecma_transforms_compat::es2015::spread; use swc_ecma_transforms_testing::test; use swc_ecma_transforms_testing::test_exec; use swc_ecma_visit::Fold; fn syntax() -> Syntax { Syntax::default() } fn tr() -> impl Fold { classes() } fn spec_tr() -> impl Fold { chain!( resolver(), classes(), spread(spread::Config { ..Default::default() }), block_scoping(), ) } test!( syntax(), |_| tr(), issue_189, r#" class HomePage extends React.Component {} "#, r#" let HomePage = function(_Component) { 'use strict'; _inherits(HomePage, _Component); function HomePage() { _classCallCheck(this, HomePage); return _possibleConstructorReturn(this, _getPrototypeOf(HomePage).apply(this, arguments)); } return HomePage; }(React.Component); "# ); test!( syntax(), |_| tr(), custom_singleton, r#" let singleton; class Sub extends Foo { constructor() { if (singleton) { return singleton; } singleton = super(); } } "#, r#" let singleton; let Sub = function(Foo) { 'use strict'; _inherits(Sub, Foo); function Sub() { _classCallCheck(this, Sub); var _this; if (singleton) { return _possibleConstructorReturn(_this, singleton); } singleton = _this = _possibleConstructorReturn(this, _getPrototypeOf(Sub).call(this)); return _possibleConstructorReturn(_this); } return Sub; }(Foo); "# ); test!( syntax(), |_| tr(), custom_native, r#" class List extends Array {} "#, r#" let List = function(Array1) { 'use strict'; _inherits(List, Array1); function List() { _classCallCheck(this, List); return _possibleConstructorReturn(this, _getPrototypeOf(List).apply(this, arguments)); } return List; }(_wrapNativeSuper(Array)); "# ); test_exec!( syntax(), |_| tr(), custom_nested, r#" class Hello{ constructor(){ return { toString () { return 'hello'; } }; } } class Outer extends Hello{ constructor(){ var _ref = super(); class Inner{ constructor(){ this[_ref] = 'hello'; } } return new Inner(); } } expect(new Outer().hello).toBe('hello'); "# ); // spec_constructor_only test!( syntax(), |_| spec_tr(), spec_constructor_only, r#" class Foo { constructor() { } } "#, r#" var Foo = function Foo() { 'use strict'; _classCallCheck(this, Foo); }; "# ); // extend_builtins_wrap_native_super // spec_name_method_collision // exec_super // regression_5769_exec test_exec!( syntax(), |_| tr(), regression_5769_exec, r#" class Point { getX() { expect(this.x).toBe(3); // C } } class ColorPoint extends Point { constructor() { super(); this.x = 2; super.x = 3; expect(this.x).toBe(3); // A expect(super.x).toBeUndefined(); // B } m() { this.getX() } } const cp = new ColorPoint(); cp.m(); "# ); // spec_this_not_allowed_before_super_in_derived_classes_5_exec test_exec!( syntax(), |_| spec_tr(), spec_this_not_allowed_before_super_in_derived_classes_5_exec, r#" class Bar {} class Foo extends Bar { constructor() { Foo[this]; } } expect(() => new Foo()).toThrow("this hasn't been initialised"); "# ); // spec_statement test!( // We don't use function-name pass ignore, syntax(), |_| spec_tr(), spec_statement, r#" var BaseView = class BaseView { constructor() { this.autoRender = true; } } var BaseView = class { constructor() { this.autoRender = true; } } var BaseView = class { foo() { this.autoRender = true; } } "#, r#" var BaseView = function BaseView() { 'use strict'; _classCallCheck(this, BaseView); this.autoRender = true; }; var BaseView = function BaseView() { 'use strict'; _classCallCheck(this, BaseView); this.autoRender = true; }; var BaseView = /*#__PURE__*/ function () { 'use strict'; function BaseView() { _classCallCheck(this, BaseView); } _createClass(BaseView, [{ key: "foo", value: function foo() { this.autoRender = true; } }]); return BaseView; }(); "# ); // get_set_set_semantics_getter_defined_on_parent test!( syntax(), |_| tr(), get_set_set_semantics_getter_defined_on_parent, r#" class Base { get test() { return 1; } }; class Obj extends Base { set() { return super.test = 3; } } Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true, }); const obj = new Obj(); expect(() => { // this requires helpers to be in file (not external), so they // are in "strict" mode code. obj.set(); }).toThrow(); expect(Base.prototype.test).toBe(1); expect(Obj.prototype.test).toBe(2); expect(obj.test).toBe(2); "#, r#" let Base = /*#__PURE__*/ function () { 'use strict'; function Base() { _classCallCheck(this, Base); } _createClass(Base, [{ key: "test", get: function () { return 1; } }]); return Base; }(); ; let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "set", value: function set() { return _set(_getPrototypeOf(Obj.prototype), "test", 3, this, true); } }]); return Obj; }(Base); Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true }); const obj = new Obj(); expect(() => { // this requires helpers to be in file (not external), so they // are in "strict" mode code. obj.set(); }).toThrow(); expect(Base.prototype.test).toBe(1); expect(Obj.prototype.test).toBe(2); expect(obj.test).toBe(2); "# ); // spec_derived_constructor_must_call_super test!( syntax(), |_| spec_tr(), spec_derived_constructor_must_call_super, r#" class Foo extends Bar { constructor() { } } "#, r#" var Foo = /*#__PURE__*/ function (Bar) { 'use strict'; _inherits(Foo, Bar); function Foo() { _classCallCheck(this, Foo); var _this; return _possibleConstructorReturn(_this); } return Foo; }(Bar); "# ); // get_set_get_semantics_data_defined_on_parent test!( syntax(), |_| tr(), get_set_get_semantics_data_defined_on_parent, r#" class Base { } Base.prototype.test = 1; class Obj extends Base { get() { return super.test; } } Obj.prototype.test = 2; const obj = new Obj(); expect(obj.test).toBe(2); expect(obj.get()).toBe(1); "#, r#" let Base = function Base() { 'use strict'; _classCallCheck(this, Base); }; Base.prototype.test = 1; let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "get", value: function get() { return _get(_getPrototypeOf(Obj.prototype), "test", this); } }]); return Obj; }(Base); Obj.prototype.test = 2; const obj = new Obj(); expect(obj.test).toBe(2); expect(obj.get()).toBe(1); "# ); // extend_builtins_spec // spec_super_reference_before_in_lambda_2 // regression_8499 test!( syntax(), |_| tr(), regression_8499, r#" // Pretend that `Reflect.construct` isn't supported. this.Reflect = undefined; this.HTMLElement = function() { // Here, `this.HTMLElement` is this function, not the original HTMLElement // constructor. `this.constructor` should be this function too, but isn't. constructor = this.constructor; }; var constructor; class CustomElement extends HTMLElement {}; new CustomElement(); expect(constructor).toBe(CustomElement); "#, r#" this.Reflect = undefined; this.HTMLElement = function() { constructor = this.constructor; }; var constructor; let CustomElement = function(HTMLElement1) { 'use strict'; _inherits(CustomElement, HTMLElement1); function CustomElement() { _classCallCheck(this, CustomElement); return _possibleConstructorReturn(this, _getPrototypeOf(CustomElement).apply(this, arguments)); } return CustomElement; }(_wrapNativeSuper(HTMLElement)); ; new CustomElement(); expect(constructor).toBe(CustomElement); "# ); // regression_5817 test!( syntax(), |_| chain!(tr(), arrow()), regression_5817, r#" class A extends B { constructor() { super(); this.arrow1 = (x) => { return x; }; this.arrow2 = (x) => x; } } "#, r#" let A = function(B) { 'use strict'; _inherits(A, B); function A() { _classCallCheck(this, A); var _this; _this = _possibleConstructorReturn(this, _getPrototypeOf(A).call(this)); _this.arrow1 = function(x) { return x; }; _this.arrow2 = function(x) { return x; }; return _this; } return A; }(B); "# ); // spec_super_reference_before_in_lambda_3 // get_set_set_semantics_not_defined_on_parent_setter_on_obj test!( syntax(), |_| tr(), get_set_set_semantics_not_defined_on_parent_setter_on_obj, r#" class Base { } let value = 2; class Obj extends Base { set test(v) { expect(this).toBe(obj); value = v; } set() { return super.test = 3; } } const obj = new Obj(); expect(obj.set()).toBe(3); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBeUndefined(); expect(value).toBe(2); expect(obj.test).toBe(3); "#, r#" let Base = function Base() { 'use strict'; _classCallCheck(this, Base); }; let value = 2; let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "test", set: function (v) { expect(this).toBe(obj); value = v; } }, { key: "set", value: function set() { return _set(_getPrototypeOf(Obj.prototype), "test", 3, this, true); } }]); return Obj; }(Base); const obj = new Obj(); expect(obj.set()).toBe(3); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBeUndefined(); expect(value).toBe(2); expect(obj.test).toBe(3); "# ); // get_set_get_semantics_setter_defined_on_parent test!( syntax(), |_| tr(), get_set_get_semantics_setter_defined_on_parent, r#" class Base { set test(v) { throw new Error("called"); } } class Obj extends Base { get() { return super.test; } } Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true, }); const obj = new Obj(); expect(obj.test).toBe(2); expect(obj.get()).toBeUndefined(); "#, r#" let Base = /*#__PURE__*/ function () { 'use strict'; function Base() { _classCallCheck(this, Base); } _createClass(Base, [{ key: "test", set: function (v) { throw new Error("called"); } }]); return Base; }(); let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "get", value: function get() { return _get(_getPrototypeOf(Obj.prototype), "test", this); } }]); 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(); "# ); // spec_this_not_allowed_before_super_in_derived_classes_4 test!( syntax(), |_| spec_tr(), spec_this_not_allowed_before_super_in_derived_classes_4, r#" class Foo extends Bar { constructor() { const fn = () => this; super(); fn(); } } "#, r#" var Foo = function(Bar) { 'use strict'; _inherits(Foo, Bar); function Foo() { _classCallCheck(this, Foo); var _this; var fn = ()=>_assertThisInitialized(_this) ; _this = _possibleConstructorReturn(this, _getPrototypeOf(Foo).call(this)); fn(); return _this; } return Foo; }(Bar); "# ); // spec_calling_super_properties test!( syntax(), |_| spec_tr(), spec_calling_super_properties, r#" class Test extends Foo { constructor() { super(); super.test.whatever(); super.test(); } static test() { return super.wow(); } } "#, r#" var Test = /*#__PURE__*/ function (Foo) { 'use strict'; _inherits(Test, Foo); function Test() { _classCallCheck(this, Test); var _this = _possibleConstructorReturn(this, _getPrototypeOf(Test).call(this)); _get(_getPrototypeOf(Test.prototype), "test", _assertThisInitialized(_this)).whatever(); _get(_getPrototypeOf(Test.prototype), "test", _assertThisInitialized(_this)).call(_this); return _this; } _createClass(Test, null, [{ key: "test", value: function test() { return _get(_getPrototypeOf(Test), "wow", this).call(this); } }]); return Test; }(Foo); "# ); // spec_super_reference_before_bare_super // spec_super_reference_before_bare_super_inline // spec_instance_getter_and_setter test!( syntax(), |_| spec_tr(), spec_instance_getter_and_setter, r#" class Test { get test() { return 5 + 5; } set test(val) { this._test = val; } } "#, r#" var Test = /*#__PURE__*/ function () { 'use strict'; function Test() { _classCallCheck(this, Test); } _createClass(Test, [{ key: "test", get: function () { return 5 + 5; }, set: function (val) { this._test = val; } }]); return Test; }(); "# ); // regression_2941 test!( // Module ignore, syntax(), |_| tr(), regression_2941, r#" export default class {} "#, r#" Object.defineProperty(exports, "__esModule", { value: true }); exports.default = void 0; var _default = function _default() { _classCallCheck(this, _default); }; exports.default = _default; "# ); // regression_t2494 test!( syntax(), |_| tr(), regression_t2494, r#" var x = { Foo: class extends Foo {} }; "#, r#" var x = { Foo: /*#__PURE__*/ function (Foo) { 'use strict'; _inherits(_class, Foo); function _class() { _classCallCheck(this, _class); return _possibleConstructorReturn(this, _getPrototypeOf(_class).apply(this, arguments)); } return _class; }(Foo) }; "# ); // spec_inferred_expression_name test!( syntax(), |_| spec_tr(), spec_inferred_expression_name, r#" var o = { foo: class foo {} }; "#, r#" var o = { foo: function foo() { 'use strict'; _classCallCheck(this, foo); } }; "# ); // regression_8499_exec test_exec!( // Wrong test (babel + jest fails) ignore, syntax(), |_| tr(), regression_8499_exec, r#" // Pretend that `Reflect.construct` isn't supported. this.Reflect = undefined; this.HTMLElement = function() { // Here, `this.HTMLElement` is this function, not the original HTMLElement // constructor. `this.constructor` should be this function too, but isn't. constructor = this.constructor; }; var constructor; class CustomElement extends HTMLElement {}; new CustomElement(); expect(constructor).toBe(CustomElement); "# ); // spec_default_super test!( syntax(), |_| spec_tr(), spec_default_super, r#" class Test { constructor() { return super.constructor; } static test() { return super.constructor; } } // Instances expect(Object.getPrototypeOf(Test.prototype)).toBe(Object.prototype); expect(new Test()).toBe(Object); // Static expect(Object.getPrototypeOf(Test)).toBe(Function.prototype); expect(Test.test()).toBe(Function); "#, r#" var Test = /*#__PURE__*/ function () { 'use strict'; function Test() { _classCallCheck(this, Test); return _get(_getPrototypeOf(Test.prototype), "constructor", this); } _createClass(Test, null, [{ key: "test", value: function test() { return _get(_getPrototypeOf(Test), "constructor", this); } }]); return Test; }(); // Instances expect(Object.getPrototypeOf(Test.prototype)).toBe(Object.prototype); expect(new Test()).toBe(Object); // Static expect(Object.getPrototypeOf(Test)).toBe(Function.prototype); expect(Test.test()).toBe(Function); "# ); // spec_default_super test!( syntax(), |_| spec_tr(), spec_default_super_constructor, r#" class Test { constructor() { return super.constructor; } } "#, r#" var Test = function Test() { 'use strict'; _classCallCheck(this, Test); return _get(_getPrototypeOf(Test.prototype), "constructor", this); } "# ); // get_set_get_semantics_getter_defined_on_parent test!( syntax(), |_| tr(), get_set_get_semantics_getter_defined_on_parent, r#" class Base { get test() { expect(this).toBe(obj); return 1; } } class Obj extends Base { get() { return super.test; } } Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true, }); const obj = new Obj(); expect(obj.test).toBe(2); expect(obj.get()).toBe(1); "#, r#" let Base = /*#__PURE__*/ function () { 'use strict'; function Base() { _classCallCheck(this, Base); } _createClass(Base, [{ key: "test", get: function () { expect(this).toBe(obj); return 1; } }]); return Base; }(); let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "get", value: function get() { return _get(_getPrototypeOf(Obj.prototype), "test", this); } }]); 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()).toBe(1); "# ); // spec // spec_this_not_allowed_before_super_in_derived_classes test!( syntax(), |_| spec_tr(), spec_this_not_allowed_before_super_in_derived_classes, r#" class Foo extends Bar { constructor() { this.foo = "bar"; super(); } } "#, r#" var Foo = function(Bar) { 'use strict'; _inherits(Foo, Bar); function Foo() { _classCallCheck(this, Foo); var _this; _this.foo = 'bar'; _this = _possibleConstructorReturn(this, _getPrototypeOf(Foo).call(this)); return _this; } return Foo; }(Bar); "# ); // get_set_call_semantics_getter_defined_on_parent test!( syntax(), |_| tr(), get_set_call_semantics_getter_defined_on_parent, r#" class Base { get test() { expect(this).toBe(obj); return function(...args) { expect(this).toBe(obj); expect(args).toEqual([1, 2, 3]); return 1; }; } } class Obj extends Base { call() { super.test(1, 2, 3); super.test(1, ...[2, 3]); super.test(...[1, 2, 3]); return super.test(...arguments); } test() { throw new Error("called"); } } const obj = new Obj(); expect(obj.call(1, 2, 3)).toBe(1); "#, r#" let Base = /*#__PURE__*/ function () { 'use strict'; function Base() { _classCallCheck(this, Base); } _createClass(Base, [{ key: "test", get: function () { expect(this).toBe(obj); return function (...args) { expect(this).toBe(obj); expect(args).toEqual([1, 2, 3]); return 1; }; } }]); return Base; }(); let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "call", value: function call() { _get(_getPrototypeOf(Obj.prototype), "test", this).call(this, 1, 2, 3); _get(_getPrototypeOf(Obj.prototype), "test", this).call(this, 1, ...[2, 3]); _get(_getPrototypeOf(Obj.prototype), "test", this).call(this, ...[1, 2, 3]); return _get(_getPrototypeOf(Obj.prototype), "test", this).apply(this, arguments); } }, { key: "test", value: function test() { throw new Error("called"); } }]); return Obj; }(Base); const obj = new Obj(); expect(obj.call(1, 2, 3)).toBe(1); "# ); // spec_derived_constructor_must_call_super_4_exec test_exec!( syntax(), |_| spec_tr(), spec_derived_constructor_must_call_super_4_exec, r#" class Bar {} class Foo extends Bar { constructor() { const fn = () => super(); } } expect(() => new Foo()).toThrow("this hasn't been initialised"); "# ); // exec_retain_no_call_on // spec_export_default test!( syntax(), |_| spec_tr(), spec_export_default, r#" export default class Foo {} "#, r#" var Foo = function Foo() { 'use strict'; _classCallCheck(this, Foo); }; export { Foo as default }; "# ); // get_set_call_semantics_data_defined_on_parent test!( syntax(), |_| tr(), get_set_call_semantics_data_defined_on_parent, r#" class Base { test(...args) { expect(this).toBe(obj); expect(args).toEqual([1, 2, 3]); return 1; } } class Obj extends Base { call() { super.test(1, 2, 3); super.test(1, ...[2, 3]); super.test(...[1, 2, 3]); return super.test(...arguments); } test() { throw new Error("called"); } } const obj = new Obj(); expect(obj.call(1, 2, 3)).toBe(1); "#, r#" let Base = /*#__PURE__*/ function () { 'use strict'; function Base() { _classCallCheck(this, Base); } _createClass(Base, [{ key: "test", value: function test(...args) { expect(this).toBe(obj); expect(args).toEqual([1, 2, 3]); return 1; } }]); return Base; }(); let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "call", value: function call() { _get(_getPrototypeOf(Obj.prototype), "test", this).call(this, 1, 2, 3); _get(_getPrototypeOf(Obj.prototype), "test", this).call(this, 1, ...[2, 3]); _get(_getPrototypeOf(Obj.prototype), "test", this).call(this, ...[1, 2, 3]); return _get(_getPrototypeOf(Obj.prototype), "test", this).apply(this, arguments); } }, { key: "test", value: function test() { throw new Error("called"); } }]); return Obj; }(Base); const obj = new Obj(); expect(obj.call(1, 2, 3)).toBe(1); "# ); // spec_static test!( syntax(), |_| spec_tr(), spec_static, r#" class A { static a() { } static get b(){ } static set b(b){ } } "#, r#" var A = /*#__PURE__*/ function () { 'use strict'; function A() { _classCallCheck(this, A); } _createClass(A, null, [{ key: "a", value: function a() {} }, { key: "b", get: function () {}, set: function (b) {} }]); return A; }(); "# ); // regression_t6755 // get_set_memoized_update test!( syntax(), |_| tr(), get_set_memoized_update, r#" class Base {} Object.defineProperty(Base.prototype, 0, { value: 0, writable: true, configurable: true, }); Object.defineProperty(Base.prototype, 1, { value: 1, writable: true, configurable: true, }); let i = 0; const proper = { get prop() { return i++; }, }; class Obj extends Base { update() { super[proper.prop]++; } update2() { super[i]++; } } const obj = new Obj(); obj.update(); expect(i).toBe(1); expect(obj[0]).toBe(1); expect(obj[1]).toBe(1); obj.update2(); expect(i).toBe(1); expect(obj[0]).toBe(1); expect(obj[1]).toBe(2); "#, r#" let Base = function Base() { 'use strict'; _classCallCheck(this, Base); }; Object.defineProperty(Base.prototype, 0, { value: 0, writable: true, configurable: true }); Object.defineProperty(Base.prototype, 1, { value: 1, writable: true, configurable: true }); let i = 0; const proper = { get prop() { return i++; } }; let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "update", value: function update() { var _ref, _superRef; _set(_getPrototypeOf(Obj.prototype), _ref = proper.prop, (_superRef = +_get(_getPrototypeOf(Obj.prototype), _ref, this)) + 1, this, true), _superRef; } }, { key: "update2", value: function update2() { var _ref, _superRef; _set(_getPrototypeOf(Obj.prototype), _ref = i, (_superRef = +_get(_getPrototypeOf(Obj.prototype), _ref, this)) + 1, this, true), _superRef; } }]); return Obj; }(Base); const obj = new Obj(); obj.update(); expect(i).toBe(1); expect(obj[0]).toBe(1); expect(obj[1]).toBe(1); obj.update2(); expect(i).toBe(1); expect(obj[0]).toBe(1); expect(obj[1]).toBe(2); "# ); // spec_nested_class_super_property_in_key test!( syntax(), |_| spec_tr(), spec_nested_class_super_property_in_key, r#" class Hello { toString() { return 'hello'; } } class Outer extends Hello { constructor() { super(); class Inner { [super.toString()]() { return 'hello'; } } return new Inner(); } } expect(new Outer().hello()).toBe('hello'); "#, r#" var Hello = /*#__PURE__*/ function () { 'use strict'; function Hello() { _classCallCheck(this, Hello); } _createClass(Hello, [{ key: "toString", value: function toString() { return 'hello'; } }]); return Hello; }(); var Outer = function (Hello) { 'use strict'; _inherits(Outer, Hello); function Outer() { _classCallCheck(this, Outer); var _this = _possibleConstructorReturn(this, _getPrototypeOf(Outer).call(this)); var Inner = /*#__PURE__*/ function () { function Inner() { _classCallCheck(this, Inner); } _createClass(Inner, [{ key: _get(_getPrototypeOf(Outer.prototype), "toString", _assertThisInitialized(_this)).call(_this), value: function () { return 'hello'; } }]); return Inner; }(); return _possibleConstructorReturn(_this, new Inner()); } return Outer; }(Hello); expect(new Outer().hello()).toBe('hello'); "# ); // spec_super_reference_in_prop_exression test!( syntax(), |_| spec_tr(), spec_super_reference_in_prop_exression, r#" class Foo extends Bar { constructor() { super[super().method](); } } "#, r#" var Foo = function(Bar) { 'use strict'; _inherits(Foo, Bar); function Foo() { _classCallCheck(this, Foo); var _this; _get(_getPrototypeOf(Foo.prototype), (_this = _possibleConstructorReturn(this, _getPrototypeOf(Foo).call(this))).method, _assertThisInitialized(_this)).call(_this); return _possibleConstructorReturn(_this); } return Foo; }(Bar); "# ); // spec_super_reference_before_in_lambda_exec test_exec!( syntax(), |_| spec_tr(), spec_super_reference_before_in_lambda_exec, r#" class Bar { test() {} } class Foo extends Bar { constructor() { const t = () => super.test() super(); } } new Foo(); "# ); // spec_nested_class_super_call_in_key_exec test_exec!( syntax(), |_| spec_tr(), spec_nested_class_super_call_in_key_exec, r#" class Hello { constructor() { return { toString() { return 'hello'; }, }; } } class Outer extends Hello { constructor() { class Inner { [super()]() { return 'hello'; } } return new Inner(); } } expect(new Outer().hello()).toBe('hello'); "# ); // spec_this_not_allowed_before_super_in_derived_classes_4_exec test_exec!( syntax(), |_| spec_tr(), spec_this_not_allowed_before_super_in_derived_classes_4_exec, r#" class Bar {} class Foo extends Bar { constructor() { const fn = () => this; super(); fn(); } } new Foo(); "# ); // spec_this_not_allowed_before_super_in_derived_classes_2 test!( syntax(), |_| spec_tr(), spec_this_not_allowed_before_super_in_derived_classes_2, r#" class Foo extends Bar { constructor() { super(this); } } "#, r#" var Foo = /*#__PURE__*/ function (Bar) { 'use strict'; _inherits(Foo, Bar); function Foo() { _classCallCheck(this, Foo); var _this; _this = _possibleConstructorReturn(this, _getPrototypeOf(Foo).call(this, _assertThisInitialized(_this))); return _this; } return Foo; }(Bar); "# ); // spec_accessing_super_properties test!( syntax(), |_| spec_tr(), spec_accessing_super_properties, r#" class Test extends Foo { constructor() { super(); super.test; super.test.whatever; } } "#, r#" var Test = /*#__PURE__*/ function (Foo) { 'use strict'; _inherits(Test, Foo); function Test() { _classCallCheck(this, Test); var _this = _possibleConstructorReturn(this, _getPrototypeOf(Test).call(this)); _get(_getPrototypeOf(Test.prototype), "test", _assertThisInitialized(_this)); _get(_getPrototypeOf(Test.prototype), "test", _assertThisInitialized(_this)).whatever; return _this; } return Test; }(Foo); "# ); // exec_shadow // spec_computed_methods test!( syntax(), |_| spec_tr(), spec_computed_methods, r#" class Foo { foo() {} "foo"() {} [bar]() {} [bar + "foo"]() {} } "#, r#" var Foo = /*#__PURE__*/ function () { 'use strict'; function Foo() { _classCallCheck(this, Foo); } _createClass(Foo, [{ key: "foo", value: function foo() {} }, { key: "foo", value: function foo() {} }, { key: bar, value: function() {} }, { key: bar + "foo", value: function () {} }]); return Foo; }(); "# ); // extend_builtins_shadowed // get_set_set_semantics_data_defined_on_parent test!( syntax(), |_| tr(), get_set_set_semantics_data_defined_on_parent, r#" class Base { } Object.defineProperty(Base.prototype, 'test', { value: 1, writable: true, configurable: true, }); class Obj extends Base { set() { return super.test = 3; } } Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true, }); const obj = new Obj(); expect(obj.set()).toBe(3); expect(Base.prototype.test).toBe(1); expect(Obj.prototype.test).toBe(2); expect(obj.test).toBe(3); "#, r#" let Base = function Base() { 'use strict'; _classCallCheck(this, Base); }; Object.defineProperty(Base.prototype, 'test', { value: 1, writable: true, configurable: true }); let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "set", value: function set() { return _set(_getPrototypeOf(Obj.prototype), "test", 3, this, true); } }]); return Obj; }(Base); Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true }); const obj = new Obj(); expect(obj.set()).toBe(3); expect(Base.prototype.test).toBe(1); expect(Obj.prototype.test).toBe(2); expect(obj.test).toBe(3); "# ); // get_set_set_semantics_not_defined_on_parent_getter_on_obj test!( syntax(), |_| tr(), get_set_set_semantics_not_defined_on_parent_getter_on_obj, r#" class Base { } class Obj extends Base { get test() { } set() { return super.test = 3; } } const obj = new Obj(); expect(obj.set()).toBe(3); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBeUndefined(); expect(obj.test).toBe(3); "#, r#" let Base = function Base() { 'use strict'; _classCallCheck(this, Base); }; let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "test", get: function () {} }, { key: "set", value: function set() { return _set(_getPrototypeOf(Obj.prototype), "test", 3, this, true); } }]); return Obj; }(Base); const obj = new Obj(); expect(obj.set()).toBe(3); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBeUndefined(); expect(obj.test).toBe(3); "# ); // get_set // spec_returning_from_derived_constructor_exec test_exec!( syntax(), |_| spec_tr(), spec_returning_from_derived_constructor_exec, r#" class Foo { constructor() { return { x: 1 }; } } expect(new Foo().x).toBe(1); class Bar extends Foo { constructor() { super(); return; } } expect(new Bar().x).toBe(1); class Bar2 extends Foo { constructor() { super(); expect(this.x).toBe(1); return { x: 2 }; } } expect(new Bar2().x).toBe(2); let singleton; class Sub extends Foo { constructor() { if (singleton) { return singleton; } singleton = super(); } } let instance = new Sub; expect(instance).toBe(singleton); instance = new Sub; expect(instance).toBe(singleton); class Null extends Foo { constructor() { if (false) { super(); } return null; super(); } } expect(() => { new Null(); }).toThrow("this"); "# ); // regression_2694 // regression_5769 test!( syntax(), |_| tr(), regression_5769, r#" class Point { getX() { expect(this.x).toBe(3); // C } } class ColorPoint extends Point { constructor() { super(); this.x = 2; super.x = 3; expect(this.x).toBe(3); // A expect(super.x).toBeUndefined(); // B } m() { this.getX(); } } const cp = new ColorPoint(); cp.m(); "#, r#" let Point = /*#__PURE__*/ function () { 'use strict'; function Point() { _classCallCheck(this, Point); } _createClass(Point, [{ key: "getX", value: function getX() { expect(this.x).toBe(3); // C } }]); return Point; }(); let ColorPoint = /*#__PURE__*/ function (Point) { 'use strict'; _inherits(ColorPoint, Point); function ColorPoint() { _classCallCheck(this, ColorPoint); var _this; _this = _possibleConstructorReturn(this, _getPrototypeOf(ColorPoint).call(this)); _this.x = 2; _set(_getPrototypeOf(ColorPoint.prototype), 'x', 3, this, true); expect(_this.x).toBe(3); // A expect(_get(_getPrototypeOf(ColorPoint.prototype), "x", _assertThisInitialized(_this))).toBeUndefined(); // B return _this; } _createClass(ColorPoint, [{ key: "m", value: function m() { this.getX(); } }]); return ColorPoint; }(Point); const cp = new ColorPoint(); cp.m(); "# ); // spec_super_function_fallback test!( syntax(), |_| spec_tr(), spec_super_function_fallback, r#" class Test { constructor() { super.hasOwnProperty("test"); } } "#, r#" var Test = function Test() { 'use strict'; _classCallCheck(this, Test); _get(_getPrototypeOf(Test.prototype), "hasOwnProperty", this).call(this, "test"); }; "# ); // regression_t7537 // regression_3028 test!( // Module ignore, syntax(), |_| tr(), regression_3028, r#" class b { } class a1 extends b { constructor() { super(); this.x = () => this; } } export default class a2 extends b { constructor() { super(); this.x = () => this; } } "#, r#" Object.defineProperty(exports, "__esModule", { value: true }); exports.default = void 0; var b = function b() { _classCallCheck(this, b); }; var a1 = /*#__PURE__*/ function (_b) { _inherits(a1, _b); function a1() { var _this; _classCallCheck(this, a1); _this = _possibleConstructorReturn(this, _getPrototypeOf(a1).call(this)); _this.x = function () { return _assertThisInitialized(_this); }; return _this; } return a1; }(b); var a2 = /*#__PURE__*/ function (_b2) { _inherits(a2, _b2); function a2() { var _this2; _classCallCheck(this, a2); _this2 = _possibleConstructorReturn(this, _getPrototypeOf(a2).call(this)); _this2.x = function () { return _assertThisInitialized(_assertThisInitialized(_this2)); }; return _this2; } return a2; }(b); exports.default = a2; "# ); // spec_super_illegal_non_constructor_call // spec_instance_setter test!( syntax(), |_| spec_tr(), spec_instance_setter, r#" class Test { set test(val) { this._test = val; } } "#, r#" var Test = /*#__PURE__*/ function () { 'use strict'; function Test() { _classCallCheck(this, Test); } _createClass(Test, [{ key: "test", set: function (val) { this._test = val; } }]); return Test; }(); "# ); // spec_nested_object_super_call_in_key test!( syntax(), |_| spec_tr(), spec_nested_object_super_call_in_key, r#" class Hello { constructor() { return { toString() { return 'hello'; }, }; } } class Outer extends Hello { constructor() { const Inner = { [super()]() { return 'hello'; }, }; return Inner; } } expect(new Outer().hello()).toBe('hello'); "#, r#" var Hello = function Hello() { 'use strict'; _classCallCheck(this, Hello); return { toString() { return 'hello'; } }; }; var Outer = function (Hello) { 'use strict'; _inherits(Outer, Hello); function Outer() { _classCallCheck(this, Outer); var _this; var Inner = { [_this = _possibleConstructorReturn(this, _getPrototypeOf(Outer).call(this))]() { return 'hello'; } }; return _possibleConstructorReturn(_this, Inner); } return Outer; }(Hello); expect(new Outer().hello()).toBe('hello'); "# ); // get_set_set_semantics_not_defined_on_parent_not_on_obj test!( syntax(), |_| tr(), get_set_set_semantics_not_defined_on_parent_not_on_obj, r#" class Base { } class Obj extends Base { set() { return super.test = 3; } } const obj = new Obj(); expect(obj.set()).toBe(3); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBeUndefined(); expect(obj.test).toBe(3); "#, r#" let Base = function Base() { 'use strict'; _classCallCheck(this, Base); }; let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "set", value: function set() { return _set(_getPrototypeOf(Obj.prototype), "test", 3, this, true); } }]); return Obj; }(Base); const obj = new Obj(); expect(obj.set()).toBe(3); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBeUndefined(); expect(obj.test).toBe(3); "# ); // spec_derived_constructor_no_super_return_falsey test!( syntax(), |_| spec_tr(), spec_derived_constructor_no_super_return_falsey, r#" class Child extends Base { constructor(){ return false; } } "#, r#" var Child = function(Base) { 'use strict'; _inherits(Child, Base); function Child() { _classCallCheck(this, Child); var _this; return _possibleConstructorReturn(_this, false); } return Child; }(Base); "# ); // spec_this_not_allowed_before_super_in_derived_classes_5 test!( syntax(), |_| spec_tr(), spec_this_not_allowed_before_super_in_derived_classes_5, r#" class Foo extends Bar { constructor() { Foo[this]; } } "#, r#" var Foo = /*#__PURE__*/ function (Bar) { 'use strict'; _inherits(Foo, Bar); function Foo() { _classCallCheck(this, Foo); var _this; Foo[_assertThisInitialized(_this)]; return _possibleConstructorReturn(_this); } return Foo; }(Bar); "# ); // exec_super_change // spec_constructor test!( syntax(), |_| spec_tr(), spec_constructor, r#" class Test { constructor() { this.state = "test"; } } class Foo extends Bar { constructor() { super(); this.state = "test"; } } class ConstructorScoping { constructor(){ let bar; { let bar; } } } "#, r#" var Test = function Test() { 'use strict'; _classCallCheck(this, Test); this.state = "test"; }; var Foo = /*#__PURE__*/ function (Bar) { 'use strict'; _inherits(Foo, Bar); function Foo() { _classCallCheck(this, Foo); var _this; _this = _possibleConstructorReturn(this, _getPrototypeOf(Foo).call(this)); _this.state = "test"; return _this; } return Foo; }(Bar); var ConstructorScoping = function ConstructorScoping() { 'use strict'; _classCallCheck(this, ConstructorScoping); var bar; { var bar1; } }; "# ); // spec_preserves_directives test!( syntax(), |_| spec_tr(), spec_preserves_directives, r#" class MyCtrl { constructor(a) { "any directive prologue"; foo; } } class MyCtrl2 { constructor(a) { "a"; "b"; foo; } } class MyCtrl3 { constructor(a) { "a"; foo; "b"; } } "#, r#" var MyCtrl = function MyCtrl(a) { "any directive prologue"; 'use strict'; _classCallCheck(this, MyCtrl); foo; }; var MyCtrl2 = function MyCtrl2(a) { "a"; "b"; 'use strict'; _classCallCheck(this, MyCtrl2); foo; }; var MyCtrl3 = function MyCtrl3(a) { "a"; 'use strict'; _classCallCheck(this, MyCtrl3); foo; "b"; }; "# ); // spec_super_reference_before_in_lambda // spec_derived_constructor_no_super_return_object test!( syntax(), |_| spec_tr(), spec_derived_constructor_no_super_return_object, r#" class Child extends Base { constructor(){ return {}; } } "#, r#" var Child = function(Base) { 'use strict'; _inherits(Child, Base); function Child() { _classCallCheck(this, Child); var _this; return _possibleConstructorReturn(_this, { }); } return Child; }(Base); "# ); // regression_t6750 test!( // Module ignore, syntax(), |_| tr(), regression_t6750, r#" export default function() { return class Select { query(query) { } } } "#, r#" Object.defineProperty(exports, "__esModule", { value: true }); exports.default = _default; function _default() { return ( /*#__PURE__*/ function () { function Select() { _classCallCheck(this, Select); } _createClass(Select, [{ key: "query", value: function query(_query) {} }]); return Select; }() ); } "# ); // spec_instance_method test!( syntax(), |_| spec_tr(), spec_instance_method, r#" class Test { test() { return 5 + 5; } } "#, r#" var Test = /*#__PURE__*/ function () { 'use strict'; function Test() { _classCallCheck(this, Test); } _createClass(Test, [{ key: "test", value: function test() { return 5 + 5; } }]); return Test; }(); "# ); // regression_t2997 test!( syntax(), |_| tr(), regression_t2997, r#" class A {} class B extends A { constructor() { return super(); } } "#, r#" let A = function A() { 'use strict'; _classCallCheck(this, A); }; let B = /*#__PURE__*/ function (A) { 'use strict'; _inherits(B, A); function B() { _classCallCheck(this, B); var _this; return _possibleConstructorReturn(_this, _this = _possibleConstructorReturn(this, _getPrototypeOf(B).call(this))); } return B; }(A); "# ); // spec_constructor_binding_collision test!( syntax(), |_| spec_tr(), spec_constructor_binding_collision, r#" class Example { constructor() { var Example; } } var t = new Example(); "#, r#" var Example = function Example() { 'use strict'; _classCallCheck(this, Example); var Example1; }; var t = new Example(); "# ); // spec_super_class_anonymous test!( syntax(), |_| spec_tr(), spec_super_class_anonymous, r#" class TestEmpty extends (class {}) { } class TestConstructorOnly extends (class { constructor() {} }) { } class TestMethodOnly extends (class { method() {} }) { } class TestConstructorAndMethod extends (class { constructor() {} method() {} }) { } class TestMultipleMethods extends (class { m1() {} m2() {} }) {} "#, r#" var TestEmpty = /*#__PURE__*/ function (_super) { 'use strict'; _inherits(TestEmpty, _super); function TestEmpty() { _classCallCheck(this, TestEmpty); return _possibleConstructorReturn(this, _getPrototypeOf(TestEmpty).apply(this, arguments)); } return TestEmpty; }(function _class() { 'use strict'; _classCallCheck(this, _class); }); var TestConstructorOnly = /*#__PURE__*/ function (_super) { 'use strict'; _inherits(TestConstructorOnly, _super); function TestConstructorOnly() { _classCallCheck(this, TestConstructorOnly); return _possibleConstructorReturn(this, _getPrototypeOf(TestConstructorOnly).apply(this, arguments)); } return TestConstructorOnly; }(function _class() { 'use strict'; _classCallCheck(this, _class); }); var TestMethodOnly = /*#__PURE__*/ function (_super) { 'use strict'; _inherits(TestMethodOnly, _super); function TestMethodOnly() { _classCallCheck(this, TestMethodOnly); return _possibleConstructorReturn(this, _getPrototypeOf(TestMethodOnly).apply(this, arguments)); } return TestMethodOnly; }( /*#__PURE__*/ function () { 'use strict'; function _class() { _classCallCheck(this, _class); } _createClass(_class, [{ key: "method", value: function method() {} }]); return _class; }()); var TestConstructorAndMethod = /*#__PURE__*/ function (_super) { 'use strict'; _inherits(TestConstructorAndMethod, _super); function TestConstructorAndMethod() { _classCallCheck(this, TestConstructorAndMethod); return _possibleConstructorReturn(this, _getPrototypeOf(TestConstructorAndMethod).apply(this, arguments)); } return TestConstructorAndMethod; }( /*#__PURE__*/ function () { 'use strict'; function _class() { _classCallCheck(this, _class); } _createClass(_class, [{ key: "method", value: function method() {} }]); return _class; }()); var TestMultipleMethods = /*#__PURE__*/ function (_super) { 'use strict'; _inherits(TestMultipleMethods, _super); function TestMultipleMethods() { _classCallCheck(this, TestMultipleMethods); return _possibleConstructorReturn(this, _getPrototypeOf(TestMultipleMethods).apply(this, arguments)); } return TestMultipleMethods; }( /*#__PURE__*/ function () { 'use strict'; function _class() { _classCallCheck(this, _class); } _createClass(_class, [{ key: "m1", value: function m1() {} }, { key: "m2", value: function m2() {} }]); return _class; }()); "# ); // spec_method_return_type_annotation // spec_nested_class_super_call_in_key test!( syntax(), |_| spec_tr(), spec_nested_class_super_call_in_key, r#" class Hello { constructor() { return { toString() { return 'hello'; }, }; } } class Outer extends Hello { constructor() { class Inner { [super()]() { return 'hello'; } } return new Inner(); } } expect(new Outer().hello()).toBe('hello'); "#, r#" var Hello = function Hello() { 'use strict'; _classCallCheck(this, Hello); return { toString() { return 'hello'; } }; }; var Outer = function (Hello) { 'use strict'; _inherits(Outer, Hello); function Outer() { _classCallCheck(this, Outer); var _this = this; var _this1; var Inner = /*#__PURE__*/ function () { function Inner() { _classCallCheck(this, Inner); } _createClass(Inner, [{ key: _this1 = _possibleConstructorReturn(_this, _getPrototypeOf(Outer).call(_this)), value: function () { return 'hello'; } }]); return Inner; }(); return _possibleConstructorReturn(_this1, new Inner()); } return Outer; }(Hello); expect(new Outer().hello()).toBe('hello'); "# ); // extend_builtins_builtin_objects_throw_when_wrapped // regression_2663 test!( // Module ignore, syntax(), |_| tr(), regression_2663, r#" import net from 'net'; import { EventEmitter } from 'events'; import BinarySerializer from './helpers/binary-serializer'; // import ... export default class Connection extends EventEmitter { constructor(endpoint, joinKey, joinData, roomId) { super(); this.isConnected = false; this.roomId = roomId; // ... } send(message) { this.sock.write(BinarySerializer.serializeMessage(message)); } disconnect() { this.sock.close(); } } "#, r#" Object.defineProperty(exports, "__esModule", { value: true }); exports.default = void 0; var _net = _interopRequireDefault(require("net")); var _events = require("events"); var _binarySerializer = _interopRequireDefault(require("./helpers/binary-serializer")); // import ... var Connection = /*#__PURE__*/ function (_EventEmitter) { _inherits(Connection, _EventEmitter); function Connection(endpoint, joinKey, joinData, roomId) { var _this; _classCallCheck(this, Connection); _this = _possibleConstructorReturn(this, _getPrototypeOf(Connection).call(this)); _this.isConnected = false; _this.roomId = roomId; // ... return _this; } _createClass(Connection, [{ key: "send", value: function send(message) { this.sock.write(_binarySerializer.default.serializeMessage(message)); } }, { key: "disconnect", value: function disconnect() { this.sock.close(); } }]); return Connection; }(_events.EventEmitter); exports.default = Connection; "# ); // get_set_set_semantics_setter_defined_on_parent_exec test_exec!( syntax(), |_| tr(), get_set_set_semantics_setter_defined_on_parent_exec, r#" let value = 1; class Base { set test(v) { value = v; } } class Obj extends Base { set() { return super.test = 3; } } Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true, }); const obj = new Obj(); expect(obj.set()).toBe(3); expect(value).toBe(3); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBe(2); expect(obj.test).toBe(2); "# ); // regression_5817_exec test_exec!( syntax(), |_| tr(), regression_5817_exec, r#" // https://github.com/babel/babel/issues/5817 class Parent {} class Table extends Parent { constructor() { super(); this.returnParam = (param) => { return param; } } } const table = new Table(); expect(table.returnParam(false)).toBe(false); "# ); // exec_class_prototype // spec_instance_getter test!( syntax(), |_| spec_tr(), spec_instance_getter, r#" class Test { get test() { return 5 + 5; } } "#, r#" var Test = /*#__PURE__*/ function () { 'use strict'; function Test() { _classCallCheck(this, Test); } _createClass(Test, [{ key: "test", get: function () { return 5 + 5; } }]); return Test; }(); "# ); // spec_this_not_allowed_before_super_in_derived_classes_3 test!( syntax(), |_| spec_tr(), spec_this_not_allowed_before_super_in_derived_classes_3, r#" class Foo extends Bar { constructor() { const fn = () => this; fn(); super(); } } "#, r#" var Foo = function(Bar) { 'use strict'; _inherits(Foo, Bar); function Foo() { _classCallCheck(this, Foo); var _this; var fn = ()=>_assertThisInitialized(_this) ; fn(); _this = _possibleConstructorReturn(this, _getPrototypeOf(Foo).call(this)); return _this; } return Foo; }(Bar); "# ); // spec_accessing_super_class test!( // TODO(kdy1): Unignore this. ignore, syntax(), |_| spec_tr(), spec_accessing_super_class, r#" class Test extends Foo { constructor() { woops.super.test(); super(); super.test(); super(...arguments); super("test", ...arguments); super.test(...arguments); super.test("test", ...arguments); } test() { super.test(); super.test(...arguments); super.test("test", ...arguments); } static foo() { super.foo(); super.foo(...arguments); super.foo("test", ...arguments); } } "#, r#" var Test = /*#__PURE__*/ function (Foo) { 'use strict'; _inherits(Test, Foo); function Test() { var _babelHelpers$getProt, _babelHelpers$get; var _this; _classCallCheck(this, Test); woops.super.test(); _this = _possibleConstructorReturn(this, _getPrototypeOf(Test).call(this)); _get(_getPrototypeOf(Test.prototype), "test", _assertThisInitialized(_this)).call(_this); _this = _possibleConstructorReturn(this, _getPrototypeOf(Test).apply(this, arguments)); _this = _possibleConstructorReturn(this, (_babelHelpers$getProt = _getPrototypeOf(Test)).call.apply(_babelHelpers$getProt, [this, "test"].concat(Array.prototype.slice.call(arguments)))); _get(_getPrototypeOf(Test.prototype), "test", _assertThisInitialized(_this)).apply(_assertThisInitialized(_this), arguments); (_babelHelpers$get = _get(_getPrototypeOf(Test.prototype), "test", _assertThisInitialized(_this))).call.apply(_babelHelpers$get, [_assertThisInitialized(_this), "test"].concat(Array.prototype.slice.call(arguments))); return _this; } _createClass(Test, [{ key: "test", value: function test() { var _babelHelpers$get2; _get(_getPrototypeOf(Test.prototype), "test", this).call(this); _get(_getPrototypeOf(Test.prototype), "test", this).apply(this, arguments); (_babelHelpers$get2 = _get(_getPrototypeOf(Test.prototype), "test", this)).call.apply(_babelHelpers$get2, [this, "test"].concat(Array.prototype.slice.call(arguments))); } }], [{ key: "foo", value: function foo() { var _babelHelpers$get3; _get(_getPrototypeOf(Test), "foo", this).call(this); _get(_getPrototypeOf(Test), "foo", this).apply(this, arguments); (_babelHelpers$get3 = _get(_getPrototypeOf(Test), "foo", this)).call.apply(_babelHelpers$get3, [this, "test"].concat(Array.prototype.slice.call(arguments))); } }]); return Test; }(Foo); "# ); // spec_this_not_allowed_before_super_in_derived_classes_exec test_exec!( syntax(), |_| spec_tr(), spec_this_not_allowed_before_super_in_derived_classes_exec, r#" class Bar {} class Foo extends Bar { constructor() { this.foo = "bar"; super(); } } expect(() => new Foo()).toThrow(); "# ); // spec_nested_object_super_property_in_key_exec test_exec!( syntax(), |_| spec_tr(), spec_nested_object_super_property_in_key_exec, r#" class Hello { toString() { return 'hello'; } } class Outer extends Hello { constructor() { super(); const Inner = { [super.toString()]() { return 'hello'; }, }; return Inner; } } expect(new Outer().hello()).toBe('hello'); "# ); // regression_t6712 test!( syntax(), |_| tr(), regression_t6712, r#" class A { foo() { const foo = 2; } } "#, r#" let A = /*#__PURE__*/ function () { 'use strict'; function A() { _classCallCheck(this, A); } _createClass(A, [{ key: "foo", value: function foo() { const foo = 2; } }]); return A; }(); "# ); // get_set_set_semantics_setter_defined_on_parent test!( syntax(), |_| tr(), get_set_set_semantics_setter_defined_on_parent, r#" let value = 1; class Base { set test(v) { value = v; } } class Obj extends Base { set() { return super.test = 3; } } Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true, }); const obj = new Obj(); expect(obj.set()).toBe(3); expect(value).toBe(3); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBe(2); expect(obj.test).toBe(2); "#, r#" let value = 1; let Base = /*#__PURE__*/ function () { 'use strict'; function Base() { _classCallCheck(this, Base); } _createClass(Base, [{ key: "test", set: function (v) { value = v; } }]); return Base; }(); let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "set", value: function set() { return _set(_getPrototypeOf(Obj.prototype), "test", 3, this, true); } }]); return Obj; }(Base); Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true }); const obj = new Obj(); expect(obj.set()).toBe(3); expect(value).toBe(3); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBe(2); expect(obj.test).toBe(2); "# ); // get_set_call_semantics_not_defined_on_parent test!( syntax(), |_| tr(), get_set_call_semantics_not_defined_on_parent, r#" class Base { } class Obj extends Base { call() { return super.test(); } test() { throw new Error("gobbledygook"); } } const obj = new Obj(); expect(() => { obj.call(); // Asser that this throws, but that it's not // Obj.p.test's error that is thrown }).toThrowError(TypeError) "#, r#" let Base = function Base() { 'use strict'; _classCallCheck(this, Base); }; let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "call", value: function call() { return _get(_getPrototypeOf(Obj.prototype), "test", this).call(this); } }, { key: "test", value: function test() { throw new Error("gobbledygook"); } }]); return Obj; }(Base); const obj = new Obj(); expect(() => { obj.call(); // Asser that this throws, but that it's not // Obj.p.test's error that is thrown }).toThrowError(TypeError); "# ); // spec_derived_constructor_must_call_super_2_exec test_exec!( syntax(), |_| spec_tr(), spec_derived_constructor_must_call_super_2_exec, r#" class Bar {} class Foo extends Bar { constructor() { if (eval("false")) super(); } } expect(() => new Foo()).toThrow("this hasn't been initialised"); "# ); // exec_declaration // spec_nested_object_super_property_in_key test!( syntax(), |_| spec_tr(), spec_nested_object_super_property_in_key, r#" class Hello { toString() { return 'hello'; } } class Outer extends Hello { constructor() { super(); const Inner = { [super.toString()]() { return 'hello'; }, }; return Inner; } } expect(new Outer().hello()).toBe('hello'); "#, r#" var Hello = /*#__PURE__*/ function () { 'use strict'; function Hello() { _classCallCheck(this, Hello); } _createClass(Hello, [{ key: "toString", value: function toString() { return 'hello'; } }]); return Hello; }(); var Outer = /*#__PURE__*/ function (Hello) { 'use strict'; _inherits(Outer, Hello); function Outer() { _classCallCheck(this, Outer); var _this = _possibleConstructorReturn(this, _getPrototypeOf(Outer).call(this)); var Inner = { [_get(_getPrototypeOf(Outer.prototype), 'toString', _assertThisInitialized(_this))()] () { return 'hello'; } }; return _possibleConstructorReturn(_this, Inner); } return Outer; }(Hello); expect(new Outer().hello()).toBe('hello'); "# ); // get_set_set_semantics_not_defined_on_parent_setter_on_obj_exec test_exec!( syntax(), |_| tr(), get_set_set_semantics_not_defined_on_parent_setter_on_obj_exec, r#" class Base { } let value = 2; class Obj extends Base { set test(v) { value = v; } set() { return super.test = 3; } } const obj = new Obj(); expect(obj.set()).toBe(3); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBeUndefined(); expect(value).toBe(2); expect(obj.test).toBe(3); "# ); // exec_expression // spec_this_not_allowed_before_super_in_derived_classes_2_exec test_exec!( syntax(), |_| spec_tr(), spec_this_not_allowed_before_super_in_derived_classes_2_exec, r#" class Bar {} class Foo extends Bar { constructor() { super(this); } } expect(() => new Foo()).toThrow("this hasn't been initialised"); "# ); // spec_super_reference_before_bare_super_inline_exec test_exec!( syntax(), |_| spec_tr(), spec_super_reference_before_bare_super_inline_exec, r#" class Bar {} class Foo extends Bar { constructor() { super.foo(super()); } } expect(() => new Foo()).toThrow("this hasn't been initialised"); "# ); // get_set_call_semantics_setter_defined_on_parent test!( syntax(), |_| tr(), get_set_call_semantics_setter_defined_on_parent, r#" class Base { set test(v) { throw new Error("gobbledygook"); } } class Obj extends Base { call() { return super.test(); } test() { throw new Error("gobbledygook"); } } const obj = new Obj(); expect(() => { obj.call(); // Assert that this throws, but that it's not // a gobbledygook error that is thrown }).toThrowError(TypeError) "#, r#" let Base = /*#__PURE__*/ function () { 'use strict'; function Base() { _classCallCheck(this, Base); } _createClass(Base, [{ key: "test", set: function (v) { throw new Error("gobbledygook"); } }]); return Base; }(); let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "call", value: function call() { return _get(_getPrototypeOf(Obj.prototype), "test", this).call(this); } }, { key: "test", value: function test() { throw new Error("gobbledygook"); } }]); return Obj; }(Base); const obj = new Obj(); expect(() => { obj.call(); // Assert that this throws, but that it's not // a gobbledygook error that is thrown }).toThrowError(TypeError); "# ); // spec_super_class test!( syntax(), |_| spec_tr(), spec_super_class, r#" class Test extends Foo { } "#, r#" var Test = /*#__PURE__*/ function (Foo) { 'use strict'; _inherits(Test, Foo); function Test() { _classCallCheck(this, Test); return _possibleConstructorReturn(this, _getPrototypeOf(Test).apply(this, arguments)); } return Test; }(Foo); "# ); // spec_super_call_only_allowed_in_derived_constructor // spec_nested_object_super_call_in_key_exec test_exec!( syntax(), |_| spec_tr(), spec_nested_object_super_call_in_key_exec, r#" class Hello { constructor() { return { toString() { return 'hello'; }, }; } } class Outer extends Hello { constructor() { const Inner = { [super()]() { return 'hello'; }, }; return Inner; } } expect(new Outer().hello()).toBe('hello'); "# ); // spec_derived_constructor_must_call_super_2 test!( syntax(), |_| spec_tr(), spec_derived_constructor_must_call_super_2, r#" class Foo extends Bar { constructor() { if (eval("false")) super(); } } "#, r#" var Foo = /*#__PURE__*/ function (Bar) { 'use strict'; _inherits(Foo, Bar); function Foo() { _classCallCheck(this, Foo); var _this; if (eval("false")) _this = _possibleConstructorReturn(this, _getPrototypeOf(Foo).call(this)); return _possibleConstructorReturn(_this); } return Foo; }(Bar); "# ); // spec_derived_constructor_must_call_super_3 test!( syntax(), |_| spec_tr(), spec_derived_constructor_must_call_super_3, r#" class Foo extends Bar { constructor() { const fn = () => super(); fn(); } } "#, r#" var Foo = /*#__PURE__*/ function (Bar) { 'use strict'; _inherits(Foo, Bar); function Foo() { _classCallCheck(this, Foo); var _this; var fn = () => _this = _possibleConstructorReturn(this, _getPrototypeOf(Foo).call(this)); fn(); return _possibleConstructorReturn(_this); } return Foo; }(Bar); "# ); // spec_this_not_allowed_before_super_in_derived_classes_3_exec test_exec!( syntax(), |_| spec_tr(), spec_this_not_allowed_before_super_in_derived_classes_3_exec, r#" class Bar {} class Foo extends Bar { constructor() { const fn = () => this; fn(); super(); } } expect(() => new Foo()).toThrow("this hasn't been initialised"); "# ); // get_set_set_semantics_not_defined_on_parent_data_on_obj test!( syntax(), |_| tr(), get_set_set_semantics_not_defined_on_parent_data_on_obj, r#" class Base { } class Obj extends Base { set() { return super.test = 3; } } Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true, }); const obj = new Obj(); expect(obj.set()).toBe(3); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBe(2); expect(obj.test).toBe(3); "#, r#" let Base = function Base() { 'use strict'; _classCallCheck(this, Base); }; let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "set", value: function set() { return _set(_getPrototypeOf(Obj.prototype), "test", 3, this, true); } }]); return Obj; }(Base); Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true }); const obj = new Obj(); expect(obj.set()).toBe(3); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBe(2); expect(obj.test).toBe(3); "# ); // get_set_memoized_assign test!( syntax(), |_| tr(), get_set_memoized_assign, r#" class Base {} Object.defineProperty(Base.prototype, 0, { value: 0, writable: true, configurable: true, }); Object.defineProperty(Base.prototype, 1, { value: 1, writable: true, configurable: true, }); let i = 0; const proper = { get prop() { return i++; }, }; class Obj extends Base { assign() { super[proper.prop] += 1; } assign2() { super[i] += 1; } } const obj = new Obj(); obj.assign(); expect(i).toBe(1); expect(obj[0]).toBe(1); expect(obj[1]).toBe(1); obj.assign2(); expect(i).toBe(1); expect(obj[0]).toBe(1); expect(obj[1]).toBe(2); "#, r#" let Base = function Base() { 'use strict'; _classCallCheck(this, Base); }; Object.defineProperty(Base.prototype, 0, { value: 0, writable: true, configurable: true }); Object.defineProperty(Base.prototype, 1, { value: 1, writable: true, configurable: true }); let i = 0; const proper = { get prop() { return i++; } }; let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "assign", value: function assign() { var _ref; _set(_getPrototypeOf(Obj.prototype), _ref = proper.prop, _get(_getPrototypeOf(Obj.prototype), _ref, this) + 1, this, true); } }, { key: "assign2", value: function assign2() { var _ref; _set(_getPrototypeOf(Obj.prototype), _ref = i, _get(_getPrototypeOf(Obj.prototype), _ref, this) + 1, this, true); } }]); return Obj; }(Base); const obj = new Obj(); obj.assign(); expect(i).toBe(1); expect(obj[0]).toBe(1); expect(obj[1]).toBe(1); obj.assign2(); expect(i).toBe(1); expect(obj[0]).toBe(1); expect(obj[1]).toBe(2); "# ); // spec_nested_class_super_property_in_key_exec test_exec!( syntax(), |_| spec_tr(), spec_nested_class_super_property_in_key_exec, r#" class Hello { toString() { return 'hello'; } } class Outer extends Hello { constructor() { super(); class Inner { [super.toString()]() { return 'hello'; } } return new Inner(); } } expect(new Outer().hello()).toBe('hello'); "# ); // spec_relaxed_method_coercion test!( syntax(), |_| spec_tr(), spec_relaxed_method_coercion, r#" // #1649 class Foo { [Symbol()]() {} [Symbol()]() {} } "#, r#" // #1649 var Foo = /*#__PURE__*/ function () { 'use strict'; function Foo() { _classCallCheck(this, Foo); } _createClass(Foo, [{ key: Symbol(), value: function () {} }, { key: Symbol(), value: function () {} }]); return Foo; }(); "# ); // spec_derived_constructor_must_call_super_3_exec test_exec!( syntax(), |_| spec_tr(), spec_derived_constructor_must_call_super_3_exec, r#" class Bar {} class Foo extends Bar { constructor() { const fn = () => super(); fn(); } } new Foo(); "# ); // spec_computed_methods_exec test_exec!( syntax(), |_| spec_tr(), spec_computed_methods_exec, r#" const sym = Symbol(); class Foo { [sym] () { return 1; } } class Bar extends Foo { [sym] () { return super[sym]() + 2; } } let i = new Bar(); expect(i[sym]()).toBe(3); "# ); // spec_derived_constructor_must_call_super_4 test!( syntax(), |_| spec_tr(), spec_derived_constructor_must_call_super_4, r#" class Foo extends Bar { constructor() { const fn = () => super(); } } "#, r#" var Foo = /*#__PURE__*/ function (Bar) { 'use strict'; _inherits(Foo, Bar); function Foo() { _classCallCheck(this, Foo); var _this; var fn = () => _this = _possibleConstructorReturn(this, _getPrototypeOf(Foo).call(this)); return _possibleConstructorReturn(_this); } return Foo; }(Bar); "# ); // spec_super_class_id_member_expression test!( syntax(), |_| spec_tr(), spec_super_class_id_member_expression, r#" class BaseController extends Chaplin.Controller { } class BaseController2 extends Chaplin.Controller.Another { } "#, r#" var BaseController = /*#__PURE__*/ function (_Controller) { 'use strict'; _inherits(BaseController, _Controller); function BaseController() { _classCallCheck(this, BaseController); return _possibleConstructorReturn(this, _getPrototypeOf(BaseController).apply(this, arguments)); } return BaseController; }(Chaplin.Controller); var BaseController2 = /*#__PURE__*/ function (_Another) { 'use strict'; _inherits(BaseController2, _Another); function BaseController2() { _classCallCheck(this, BaseController2); return _possibleConstructorReturn(this,_getPrototypeOf(BaseController2).apply(this, arguments)); } return BaseController2; }(Chaplin.Controller.Another); "# ); // spec_delay_arrow_function_for_bare_super_derived test!( syntax(), |_| spec_tr(), spec_delay_arrow_function_for_bare_super_derived, r#" class Foo extends Bar { constructor() { super(() => { this.test; }); } } "#, r#" var Foo = /*#__PURE__*/ function (Bar) { 'use strict'; _inherits(Foo, Bar); function Foo() { _classCallCheck(this, Foo); var _this; _this = _possibleConstructorReturn(this, _getPrototypeOf(Foo).call(this, () => { _this.test; })); return _this; } return Foo; }(Bar); "# ); // extend_builtins_overwritten_null // spec_default_super_exec test_exec!( syntax(), |_| spec_tr(), spec_default_super_exec, r#" class Test { constructor() { return super.constructor; } static test() { return super.constructor; } } // Instances expect(Object.getPrototypeOf(Test.prototype)).toBe(Object.prototype); expect(new Test()).toBe(Object); // Static expect(Object.getPrototypeOf(Test)).toBe(Function.prototype); expect(Test.test()).toBe(Function); "# ); // spec_super_reference_before_in_lambda_3_exec test_exec!( syntax(), |_| spec_tr(), spec_super_reference_before_in_lambda_3_exec, r#" class Bar { test() {} } class Foo extends Bar { constructor() { const t = () => super.test() super(); t(); } } new Foo(); "# ); // regression // get_set_get_semantics_not_defined_on_parent test!( syntax(), |_| tr(), get_set_get_semantics_not_defined_on_parent, r#" class Base { } class Obj extends Base { get() { return super.test; } } Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true, }); const obj = new Obj(); expect(obj.test).toBe(2); expect(obj.get()).toBeUndefined(); "#, r#" let Base = function Base() { 'use strict'; _classCallCheck(this, Base); }; let Obj = /*#__PURE__*/ function (Base) { 'use strict'; _inherits(Obj, Base); function Obj() { _classCallCheck(this, Obj); return _possibleConstructorReturn(this, _getPrototypeOf(Obj).apply(this, arguments)); } _createClass(Obj, [{ key: "get", value: function get() { return _get(_getPrototypeOf(Obj.prototype), "test", this); } }]); 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(); "# ); // extend_builtins_super_called // spec_plain_class test!( syntax(), |_| spec_tr(), spec_plain_class, r#" class Test { } "#, r#" var Test = function Test() { 'use strict'; _classCallCheck(this, Test); }; "# ); // spec_super_reference_before_bare_super_exec test_exec!( syntax(), |_| spec_tr(), spec_super_reference_before_bare_super_exec, r#" class Bar {} class Foo extends Bar { constructor() { super.foo(); super(); } } expect(() => new Foo()).toThrow("this hasn't been initialised"); "# ); // spec_super_reference_before_in_lambda_2_exec test_exec!( syntax(), |_| spec_tr(), spec_super_reference_before_in_lambda_2_exec, r#" class Bar { test() {} } class Foo extends Bar { constructor() { const t = () => super.test() t(); super(); } } expect(() => new Foo()).toThrow("this hasn't been initialised"); "# ); // spec_derived_constructor_must_call_super_exec test_exec!( syntax(), |_| spec_tr(), spec_derived_constructor_must_call_super_exec, r#" class Bar {} class Foo extends Bar { constructor() { } } expect(() => new Foo()).toThrow("this hasn't been initialised"); "# ); // exec_return // spec_export_super_class test!( syntax(), |_| spec_tr(), spec_export_super_class, r#" export default class extends A {} "#, r#" var _default = /*#__PURE__*/ function (A) { 'use strict'; _inherits(_default, A); function _default() { _classCallCheck(this, _default); return _possibleConstructorReturn(this, _getPrototypeOf(_default).apply(this, arguments)); } return _default; }(A); export { _default as default }; "# ); // extend_builtins_wrap_native_super_exec test_exec!( syntax(), |_| tr(), extend_builtins_wrap_native_super_exec, r#" // basic sanity check to confirm the external wrapNativeSuper helper works class Test1 extends Array { name() { return 'test1'; } } class Test2 extends Array { name() { return 'test2'; } } var t1 = new Test1(); var t2 = new Test2(); expect(Test1).not.toBe(Test2); expect(t1).not.toBe(t2); expect(t1.name()).toBe('test1'); expect(t2.name()).toBe('test2'); expect(t1).toBeInstanceOf(Test1); expect(t2).toBeInstanceOf(Test2); expect(t1).toBeInstanceOf(Array); expect(t2).toBeInstanceOf(Array); "# ); // spec_super_reference_in_prop_exression_exec test_exec!( syntax(), |_| spec_tr(), spec_super_reference_in_prop_exression_exec, r#" let called = false; class A { method() { called = true; } get methodName() { return "method"; } } class B extends A { constructor() { super[super().methodName]() } } new B(); expect(called).toBe(true); "# ); // extend_builtins_imported_babel_plugin_transform_builtin_classes // get_set_set_semantics_getter_defined_on_parent_exec test_exec!( syntax(), |_| tr(), get_set_set_semantics_getter_defined_on_parent_exec, r#" let called = false; class Base { get test() { called = true; return 1; } }; class Obj extends Base { set() { return super.test = 3; } } Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true, }); const obj = new Obj(); expect(() => { obj.set(); }).toThrow(); expect(called).toBe(false); expect(Base.prototype.test).toBe(1); expect(Obj.prototype.test).toBe(2); expect(obj.test).toBe(2); "# ); test!( syntax(), |_| spec_tr(), issue_454_followup, "if (true){ class Foo extends Bar { } }", "if (true) { var Foo = function(Bar) { 'use strict'; _inherits(Foo, Bar); function Foo() { _classCallCheck(this, Foo); return _possibleConstructorReturn(this, _getPrototypeOf(Foo).apply(this, arguments)); } return Foo; }(Bar); }" ); test!( syntax(), |_| spec_tr(), issue_454_followup_2, "function broken(x, ...foo) { if (true) { class Foo extends Bar { } return hello(...foo) } }", "function broken(x, ...foo) { if (true) { var Foo = function(Bar) { 'use strict'; _inherits(Foo, Bar); function Foo() { _classCallCheck(this, Foo); return _possibleConstructorReturn(this, _getPrototypeOf(Foo).apply(this, \ arguments)); } return Foo; }(Bar); return hello.apply(void 0, _toConsumableArray(foo)); } }" ); //// regression_3028 //test!( // syntax(), // |_| tr(r#"{ // "plugins": [ "proposal-class-properties"], // "presets": ["env", "react"] //} //"#), // regression_3028, // r#" //class b { //} // //class a1 extends b { // constructor() { // super(); // this.x = () => this; // } //} // //export default class a2 extends b { // constructor() { // super(); // this.x = () => this; // } //} // //"#, // r#" //"use strict"; // //Object.defineProperty(exports, "__esModule", { // value: true //}); //exports["default"] = void 0; // //var b = function b() { // _classCallCheck(this, b); //}; // //var a1 = // /*#__PURE__*/ //function (_b) { // _inherits(a1, _b); // // function a1() { // var _this; // // _classCallCheck(this, a1); // _this = _possibleConstructorReturn(this, _getPrototypeOf(a1).call(this)); // // _this.x = function () { // return _assertThisInitialized(_this); // }; // // return _this; // } // // return a1; //}(b); // //var a2 = // /*#__PURE__*/ //function (_b2) { // _inherits(a2, _b2); // // function a2() { // var _this2; // // _classCallCheck(this, a2); // _this2 = _possibleConstructorReturn(this, _getPrototypeOf(a2).call(this)); // // _this2.x = function () { // return _assertThisInitialized(_this2); // }; // // return _this2; // } // // return a2; //}(b); // //exports["default"] = a2; // //"# //); //// regression_t2997 //test!( // syntax(), // |_| tr(r#"{ // "plugins": [ "proposal-class-properties"], // "presets": ["env", "react"] //} //"#), // regression_t2997, // r#" //class A {} // //class B extends A { // constructor() { // return super(); // } //} // //"#, // r#" //var A = function A() { // "use strict"; // // _classCallCheck(this, A); //}; // //var B = // /*#__PURE__*/ //function (A) { // "use strict"; // // _inherits(B, A); // // function B() { // var _this; // // _classCallCheck(this, B); // return _possibleConstructorReturn(_this, _this = // _possibleConstructorReturn(this, _getPrototypeOf(B).call(this))); } // // return B; //}(A); // //"# //); // extend_builtins_shadowed test!( // Cost is too high while being uesless ignore, syntax(), |_| tr(), extend_builtins_shadowed, r#" class Array {} class List extends Array {} "#, r#" let Array = function Array() { "use strict"; _classCallCheck(this, Array); }; let List = /*#__PURE__*/ function (Array) { "use strict"; _inherits(List, Array); function List() { _classCallCheck(this, List); return _possibleConstructorReturn(this, _getPrototypeOf(List).apply(this, arguments)); } return List; }(Array); "# ); //// regression_2694 //test!( // syntax(), // |_| tr(r#"{ // "plugins": [], // "presets": ["env"] //} //"#), // regression_2694, // r#" //import BaseFoo from './BaseFoo'; // //export default class SubFoo extends BaseFoo { // static talk() { // super.talk(); // console.log('SubFoo.talk'); // } //} // //"#, // r#" //"use strict"; // //Object.defineProperty(exports, "__esModule", { // value: true //}); //exports["default"] = void 0; // //var BaseFoo2 = _interopRequireDefault(require("./BaseFoo")); // //var SubFoo = // /*#__PURE__*/ //function (BaseFoo) { // _inherits(SubFoo, BaseFoo); // // function SubFoo() { // _classCallCheck(this, SubFoo); // return _possibleConstructorReturn(this, // _getPrototypeOf(SubFoo).apply(this, arguments)); } // // _createClass(SubFoo, null, [{ // key: "talk", // value: function talk() { // _get(_getPrototypeOf(SubFoo), "talk", this).call(this); // console.log('SubFoo.talk'); // } // }]); // return SubFoo; //}(BaseFoo2["default"]); // //exports["default"] = SubFoo; // //"# //); //// regression_t2494 //test!( // syntax(), // |_| tr(r#"{ // "plugins": [ "proposal-class-properties"], // "presets": ["env", "react"] //} //"#), // regression_t2494, // r#" //var x = { // Foo: class extends Foo {} //}; // //"#, // r#" //var x = { // Foo: // /*#__PURE__*/ // function (Foo) { // "use strict"; // // _inherits(_class, Foo); // // function _class() { // _classCallCheck(this, _class); // return _possibleConstructorReturn(this, // _getPrototypeOf(_class).apply(this, arguments)); } // // return _class; // }(Foo) //}; // //"# //); // extend_builtins_imported_babel_plugin_transform_builtin_classes test_exec!( syntax(), |_| chain!(classes(), block_scoping()), extend_builtins_imported_babel_plugin_transform_builtin_classes_exec, r#" // Imported from // https://github.com/WebReflection/babel-plugin-transform-builtin-classes/blob/85efe1374e1c59a8323c7eddd4326f6c93d9f64f/test/test.js class List extends Array { constructor(value) { super().push(value); } push(value) { super.push(value); return this; } } expect(new List(1)).toBeInstanceOf(List); expect(new List(2)).toBeInstanceOf(Array); var l = new List(3); expect(l).toHaveLength(1); expect(l[0]).toBe(3); expect(l.push(4)).toBe(l); expect(l).toHaveLength(2); expect(l.join()).toBe('3,4'); class SecondLevel extends List { method() { return this; } } expect(new SecondLevel(1)).toBeInstanceOf(SecondLevel); expect(new SecondLevel(2)).toBeInstanceOf(List); expect(new SecondLevel(3)).toBeInstanceOf(Array); var s = new SecondLevel(4); expect(s).toHaveLength(1); expect(s[0]).toBe(4); expect(s.push(5)).toBe(s); expect(s).toHaveLength(2); expect(s.join()).toBe('4,5'); expect(s.method()).toBe(s); "# ); // get_set_call_semantics_setter_defined_on_parent test_exec!( syntax(), |_| tr(), get_set_call_semantics_setter_defined_on_parent_exec, r#" "use strict"; class Base { set test(v) { throw new Error("gobbledygook"); } } class Obj extends Base { call() { return super.test(); } test() { throw new Error("gobbledygook"); } } const obj = new Obj(); expect(() => { obj.call(); // Asser that this throws, but that it's not // a gobbledygook error that is thrown }).toThrowError(TypeError) "# ); // get_set_call_semantics_not_defined_on_parent test_exec!( syntax(), |_| tr(), get_set_call_semantics_not_defined_on_parent_exec, r#" "use strict"; class Base { } class Obj extends Base { call() { return super.test(); } test() { throw new Error("gobbledygook"); } } const obj = new Obj(); expect(() => { obj.call(); // Asser that this throws, but that it's not // Obj.p.test's error that is thrown }).toThrowError(TypeError) "# ); // get_set_set_semantics_not_defined_on_parent_getter_on_obj test_exec!( syntax(), |_| tr(), get_set_set_semantics_not_defined_on_parent_getter_on_obj_exec, r#" "use strict"; class Base { } let called = false; class Obj extends Base { get test() { called = true; } set() { return super.test = 3; } } const obj = new Obj(); expect(obj.set()).toBe(3); expect(called).toBe(false); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBeUndefined(); expect(obj.test).toBe(3); "# ); //// regression_t6712 //test!( // syntax(), // |_| tr(r#"{ // "plugins": [ "proposal-class-properties"], // "presets": ["env", "react"] //} //"#), // regression_t6712, // r#" //class A { // foo() { // const foo = 2; // } //} // //"#, // r#" //var A = // /*#__PURE__*/ //function () { // "use strict"; // // function A() { // _classCallCheck(this, A); // } // // _createClass(A, [{ // key: "foo", // value: function foo() { // var foo = 2; // } // }]); // return A; //}(); // //"# //); // get_set_set_semantics_not_defined_on_parent_data_on_obj test_exec!( syntax(), |_| tr(), get_set_set_semantics_not_defined_on_parent_data_on_obj_exec, r#" "use strict"; class Base { } class Obj extends Base { set() { return super.test = 3; } } Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true, }); const obj = new Obj(); expect(obj.set()).toBe(3); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBe(2); expect(obj.test).toBe(3); "# ); //// regression_2663 //test!( // syntax(), // |_| tr(r#"{ // "plugins": [ "proposal-class-properties"], // "presets": ["env", "react"] //} //"#), // regression_2663, // r#" //import net from 'net'; //import { EventEmitter } from 'events'; //import BinarySerializer from './helpers/binary-serializer'; //// import ... // //export default class Connection extends EventEmitter { // constructor(endpoint, joinKey, joinData, roomId) { // super(); // // this.isConnected = false; // this.roomId = roomId; // // // ... // } // // send(message) { // this.sock.write(BinarySerializer.serializeMessage(message)); // } // // disconnect() { // this.sock.close(); // } //} // //"#, // r#" //"use strict"; // //Object.defineProperty(exports, "__esModule", { // value: true //}); //exports["default"] = void 0; // //var _net = _interopRequireDefault(require("net")); // //var _events = require("events"); // //var _binarySerializer = // _interopRequireDefault(require("./helpers/binary-serializer")); // //// import ... //var Connection = // /*#__PURE__*/ //function (_EventEmitter) { // _inherits(Connection, _EventEmitter); // // function Connection(endpoint, joinKey, joinData, roomId) { // var _this; // // _classCallCheck(this, Connection); // _this = _possibleConstructorReturn(this, // _getPrototypeOf(Connection).call(this)); _this.isConnected = false; // _this.roomId = roomId; // ... // // return _this; // } // // _createClass(Connection, [{ // key: "send", // value: function send(message) { // this.sock.write(_binarySerializer["default"].serializeMessage(message)); // } // }, { // key: "disconnect", // value: function disconnect() { // this.sock.close(); // } // }]); // return Connection; //}(_events.EventEmitter); // //exports["default"] = Connection; // //"# //); // extend_builtins_spec test_exec!( syntax(), |_| chain!(classes(), block_scoping()), extend_builtins_spec_exec, r#" class List extends Array {} expect(new List).toBeInstanceOf(List); expect(new List).toBeInstanceOf(Array); "# ); // get_set_call_semantics_data_defined_on_parent test_exec!( syntax(), |_| tr(), get_set_call_semantics_data_defined_on_parent_exec, r#" "use strict"; class Base { test(...args) { expect(this).toBe(obj); expect(args).toEqual([1, 2, 3]); return 1; } } class Obj extends Base { call() { super.test(1, 2, 3); super.test(1, ...[2, 3]); super.test(...[1, 2, 3]); return super.test(...arguments); } test() { throw new Error("called"); } } const obj = new Obj(); expect(obj.call(1, 2, 3)).toBe(1); "# ); // get_set_memoized_assign test_exec!( syntax(), |_| tr(), get_set_memoized_assign_exec, r#" "use strict"; class Base {} Object.defineProperty(Base.prototype, 0, { value: 0, writable: true, configurable: true, }); Object.defineProperty(Base.prototype, 1, { value: 1, writable: true, configurable: true, }); let i = 0; const proper = { get prop() { return i++; }, }; class Obj extends Base { assign() { super[proper.prop] += 1; } assign2() { super[i] += 1; } } const obj = new Obj(); obj.assign(); expect(i).toBe(1); expect(obj[0]).toBe(1); expect(obj[1]).toBe(1); obj.assign2(); expect(i).toBe(1); expect(obj[0]).toBe(1); expect(obj[1]).toBe(2); "# ); //// regression_5769 //test_exec!( // syntax(), // |_| tr(r#"{ // "plugins": [ "proposal-class-properties"], // "presets": ["env", "react"] //} //"#), // regression_5769_exec, // r#" //class Point { // getX() { // expect(this.x).toBe(3); // C // } //} // //class ColorPoint extends Point { // constructor() { // super(); // this.x = 2; // super.x = 3; // expect(this.x).toBe(3); // A // expect(super.x).toBeUndefined(); // B // } // // m() { // this.getX() // } //} // //const cp = new ColorPoint(); //cp.m(); // //"# //); // get_set_get_semantics_setter_defined_on_parent test_exec!( syntax(), |_| tr(), get_set_get_semantics_setter_defined_on_parent_exec, r#" "use strict"; class Base { set test(v) { throw new Error("called"); } } class Obj extends Base { get() { return super.test; } } Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true, }); const obj = new Obj(); expect(obj.test).toBe(2); expect(obj.get()).toBeUndefined(); "# ); //// regression_t7537 //test!( // syntax(), // |_| tr(r#"{ // "plugins": ["transform-exponentiation-operator"], // "presets": ["env"] //} //"#), // regression_t7537, // r#" //class B{} //class A extends B{ // constructor(track){ // if (track !== undefined) super(track); // else super(); // } //} // //"#, // r#" //function _typeof(obj) { if (typeof Symbol === "function" && typeof // Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return // typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && // typeof Symbol === "function" && obj.constructor === Symbol && obj !== // Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } // //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 _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? // Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || // Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } // //function _inherits(subClass, superClass) { if (typeof superClass !== // "function" && superClass !== null) { throw new TypeError("Super expression // must either be null or a function"); } subClass.prototype = // Object.create(superClass && superClass.prototype, { constructor: { value: // subClass, writable: true, configurable: true } }); if (superClass) // _setPrototypeOf(subClass, superClass); } // //function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || // function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return // _setPrototypeOf(o, p); } // //function _classCallCheck(instance, Constructor) { if (!(instance instanceof // Constructor)) { throw new TypeError("Cannot call a class as a function"); } } // //var B = function B() { // "use strict"; // // _classCallCheck(this, B); //}; // //var A = // /*#__PURE__*/ //function (_B) { // "use strict"; // // _inherits(A, _B); // // function A(track) { // var _this; // // _classCallCheck(this, A); // // if (track !== undefined) _this = _possibleConstructorReturn(this, // _getPrototypeOf(A).call(this, track));else _this = // _possibleConstructorReturn(this, _getPrototypeOf(A).call(this)); // return _possibleConstructorReturn(_this); // } // // return A; //}(B); // //"# //); // regression_t7010 test!( // TODO: Unignore this ignore, syntax(), |_| chain!(tr(), block_scoping()), regression_t7010, r#" class Foo { constructor(val){ this._val = val; } foo2(){ return foo2(this._val); } } "#, r#" var Foo = /*#__PURE__*/ function () { "use strict"; function Foo(val) { _classCallCheck(this, Foo); this._val = val; } _createClass(Foo, [{ key: "foo2", value: function (_foo) { function foo2() { return _foo.apply(this, arguments); } foo2.toString = function () { return _foo.toString(); }; return foo2; }(function () { return foo2(this._val); }) }]); return Foo; }(); "# ); //// regression_2941 //test!( // syntax(), // |_| tr(r#"{ // "plugins": [ "proposal-class-properties"], // "presets": ["env", "react"] //} //"#), // regression_2941, // r#" //export default class {} // //"#, // r#" //"use strict"; // //Object.defineProperty(exports, "__esModule", { // value: true //}); //exports["default"] = void 0; // //var _default = function _default() { // _classCallCheck(this, _default); //}; // //exports["default"] = _default; // //"# //); // get_set_call_semantics_getter_defined_on_parent test_exec!( syntax(), |_| tr(), get_set_call_semantics_getter_defined_on_parent_exec, r#" "use strict"; class Base { get test() { expect(this).toBe(obj); return function(...args) { expect(this).toBe(obj); expect(args).toEqual([1, 2, 3]); return 1; }; } } class Obj extends Base { call() { super.test(1, 2, 3); super.test(1, ...[2, 3]); super.test(...[1, 2, 3]); return super.test(...arguments); } test() { throw new Error("called"); } } const obj = new Obj(); expect(obj.call(1, 2, 3)).toBe(1); "# ); // get_set_set_semantics_data_defined_on_parent test_exec!( syntax(), |_| tr(), get_set_set_semantics_data_defined_on_parent_exec, r#" "use strict"; class Base { } Object.defineProperty(Base.prototype, 'test', { value: 1, writable: true, configurable: true, }); class Obj extends Base { set() { return super.test = 3; } } Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true, }); const obj = new Obj(); expect(obj.set()).toBe(3); expect(Base.prototype.test).toBe(1); expect(Obj.prototype.test).toBe(2); expect(obj.test).toBe(3); "# ); // get_set_get_semantics_getter_defined_on_parent test_exec!( syntax(), |_| tr(), get_set_get_semantics_getter_defined_on_parent_exec, r#" "use strict"; class Base { get test() { expect(this).toBe(obj); return 1; } } class Obj extends Base { get() { return super.test; } } Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true, }); const obj = new Obj(); expect(obj.test).toBe(2); expect(obj.get()).toBe(1); "# ); // get_set_memoized_update test_exec!( syntax(), |_| tr(), get_set_memoized_update_exec, r#" "use strict"; class Base {} Object.defineProperty(Base.prototype, 0, { value: 0, writable: true, configurable: true, }); Object.defineProperty(Base.prototype, 1, { value: 1, writable: true, configurable: true, }); let i = 0; const proper = { get prop() { return i++; }, }; class Obj extends Base { update() { super[proper.prop]++; } update2() { super[i]++; } } const obj = new Obj(); obj.update(); expect(i).toBe(1); expect(obj[0]).toBe(1); expect(obj[1]).toBe(1); obj.update2(); expect(i).toBe(1); expect(obj[0]).toBe(1); expect(obj[1]).toBe(2); "# ); // get_set_get_semantics_not_defined_on_parent test_exec!( syntax(), |_| tr(), get_set_get_semantics_not_defined_on_parent_exec, r#" "use strict"; class Base { } class Obj extends Base { get() { return super.test; } } Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true, }); const obj = new Obj(); expect(obj.test).toBe(2); expect(obj.get()).toBeUndefined(); "# ); // get_set_set_semantics_not_defined_on_parent_not_on_obj test_exec!( syntax(), |_| tr(), get_set_set_semantics_not_defined_on_parent_not_on_obj_exec, r#" "use strict"; class Base { } class Obj extends Base { set() { return super.test = 3; } } const obj = new Obj(); expect(obj.set()).toBe(3); expect(Base.prototype.test).toBeUndefined(); expect(Obj.prototype.test).toBeUndefined(); expect(obj.test).toBe(3); "# ); // extend_builtins_builtin_objects_throw_when_wrapped test_exec!( syntax(), |_| chain!(classes(), block_scoping()), extend_builtins_builtin_objects_throw_when_wrapped_exec, r#" // JSON is wrapped because it starts with an uppercase letter, but it // should not be possible to extend it anyway. expect(() => class BetterJSON extends JSON {}).toThrow(); "# ); // get_set_get_semantics_data_defined_on_parent test_exec!( syntax(), |_| tr(), get_set_get_semantics_data_defined_on_parent_exec, r#" "use strict"; class Base { } Object.defineProperty(Base.prototype, 'test', { value: 1, writable: true, configurable: true, }); class Obj extends Base { get() { return super.test; } } Object.defineProperty(Obj.prototype, 'test', { value: 2, writable: true, configurable: true, }); const obj = new Obj(); expect(obj.test).toBe(2); expect(obj.get()).toBe(1); "# ); // extend_builtins_overwritten_null test_exec!( // Just don't do this. ignore, syntax(), |_| chain!(classes(), block_scoping()), extend_builtins_overwritten_null_exec, r#" var env = { Array: null, }; // We need to use "with" to avoid leaking the modified Array to other tests. with (env) { class List extends Array {} expect(List.prototype.__proto__).toBeUndefined(); } "# ); // extend_builtins_super_called test_exec!( // Just don't do this. With is evil. ignore, syntax(), |_| chain!(classes(), block_scoping()), extend_builtins_super_called_exec, r#" var called = false; var env = { Array: function Array() { called = true; } }; // We need to use "with" to avoid leaking the modified Array to other tests. with (env) { class List extends Array {}; new List(); expect(called).toBe(true); } "# ); test_exec!( syntax(), |_| classes(), issue_846, r#" class SomeClass { someMethod() { return 1; } } class OtherClass extends SomeClass { anotherMethod() { expect(super.someMethod()).toBe(1); return 2; } } const obj = new OtherClass(); expect(obj.anotherMethod()).toBe(2); "# );