swc/ecmascript/transforms/compat/tests/es2015_classes.rs
Donny/강동윤 26944e159d
fix(es/transforms/base): Reimplement hygiene (#2408)
swc_ecma_transforms_base:
 - Reimplement `hygiene`.
2021-10-21 05:12:50 +00:00

6551 lines
109 KiB
Rust

use std::{fs::read_to_string, path::PathBuf};
use swc_common::{chain, Mark};
use swc_ecma_parser::Syntax;
use swc_ecma_transforms_base::resolver::resolver;
use swc_ecma_transforms_compat::{
es2015,
es2015::{arrow, block_scoping, classes, spread},
es2016, es2017, es2018, es2020,
es2020::class_properties,
};
use swc_ecma_transforms_testing::{compare_stdout, test, test_exec, Tester};
use swc_ecma_visit::Fold;
fn syntax() -> Syntax {
Syntax::default()
}
fn tr(tester: &Tester) -> impl Fold {
classes(Some(tester.comments.clone()))
}
fn spec_tr(tester: &Tester) -> impl Fold {
chain!(
resolver(),
classes(Some(tester.comments.clone())),
spread(spread::Config {
..Default::default()
}),
block_scoping(),
)
}
test!(
syntax(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
custom_native,
r#"
class List extends Array {}
"#,
r#"
let List = function(Array) {
'use strict';
_inherits(List, Array);
function List() {
_classCallCheck(this, List);
return _possibleConstructorReturn(this, _getPrototypeOf(List).apply(this, arguments));
}
return List;
}(_wrapNativeSuper(Array));
"#
);
test_exec!(
syntax(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
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(HTMLElement) {
'use strict';
_inherits(CustomElement, HTMLElement);
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(),
|t| chain!(tr(t), 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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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)).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_setter_on_obj_exec
test_exec!(
syntax(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| spec_tr(t),
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(),
|t| spec_tr(t),
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(),
|t| tr(t),
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(),
|t| chain!(classes(Some(t.comments.clone())), 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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| chain!(classes(Some(t.comments.clone())), 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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| chain!(tr(t), 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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| tr(t),
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(),
|t| chain!(classes(Some(t.comments.clone())), 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(),
|t| tr(t),
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(),
|t| chain!(classes(Some(t.comments.clone())), 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(),
|t| chain!(classes(Some(t.comments.clone())), 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(),
|t| classes(Some(t.comments.clone())),
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);
"#
);
test!(
syntax(),
|t| classes(Some(t.comments.clone())),
issue_1490_1,
"
class ColouredCanvasElement extends CanvasElement {
createFacets(hidden) {
hidden = super.createFacets(hidden);
}
}
",
"
let ColouredCanvasElement = function (CanvasElement) {
'use strict';
_inherits(ColouredCanvasElement, CanvasElement);
function ColouredCanvasElement() {
_classCallCheck(this, ColouredCanvasElement);
return _possibleConstructorReturn(this, \
_getPrototypeOf(ColouredCanvasElement).apply(this, arguments));
}
_createClass(ColouredCanvasElement, [
{
key: 'createFacets',
value: function createFacets(hidden) {
hidden = _get(_getPrototypeOf(ColouredCanvasElement.prototype), \
'createFacets', this).call(this, hidden);
}
}
]);
return ColouredCanvasElement;
}(CanvasElement);
"
);
test!(
syntax(),
|t| classes(Some(t.comments.clone())),
issue_1490_2,
"
class ColouredCanvasElement extends CanvasElement {
createFacets(hidden) {
super.createFacets(hidden);
}
}
",
"
let ColouredCanvasElement = function (CanvasElement) {
'use strict';
_inherits(ColouredCanvasElement, CanvasElement);
function ColouredCanvasElement() {
_classCallCheck(this, ColouredCanvasElement);
return _possibleConstructorReturn(this, \
_getPrototypeOf(ColouredCanvasElement).apply(this, arguments));
}
_createClass(ColouredCanvasElement, [
{
key: 'createFacets',
value: function createFacets(hidden) {
_get(_getPrototypeOf(ColouredCanvasElement.prototype), 'createFacets', \
this).call(this, hidden);
}
}
]);
return ColouredCanvasElement;
}(CanvasElement);
"
);
test!(
syntax(),
|t| classes(Some(t.comments.clone())),
super_binding,
"
class Foo {}
class Test extends Foo {
foo() {
console.log(Foo)
}
}
",
"
let Foo = function Foo() {
'use strict';
_classCallCheck(this, Foo);
};
let Test = function(Foo1) {
'use strict';
_inherits(Test, Foo1);
function Test() {
_classCallCheck(this, Test);
return _possibleConstructorReturn(this, _getPrototypeOf(Test).apply(this, arguments));
}
_createClass(Test, [
{
key: 'foo',
value: function foo() {
console.log(Foo);
}
}
]);
return Test;
}(Foo);
"
);
test_exec!(
syntax(),
|t| classes(Some(t.comments.clone())),
super_binding_exec,
"
class Foo {}
class Test extends Foo {
foo() {
return 3;
}
}
Foo = 3;
expect(new Test().foo()).toBe(3);
"
);
test!(
syntax(),
|t| classes(Some(t.comments.clone())),
issue_1617_1,
"
class A extends B {
foo() {
super.foo(), bar();
}
}
",
r#"
let A = function(B) {
"use strict";
_inherits(A, B);
function A() {
_classCallCheck(this, A);
return _possibleConstructorReturn(this, _getPrototypeOf(A).apply(this, arguments));
}
_createClass(A, [
{
key: "foo",
value: function foo() {
_get(_getPrototypeOf(A.prototype), "foo", this).call(this), bar();
}
}
]);
return A;
}(B);
"#
);
test!(
syntax(),
|t| classes(Some(t.comments.clone())),
issue_1617_2,
"
class A extends B {
foo() {
super.foo();
}
}
",
r#"
let A = function(B) {
"use strict";
_inherits(A, B);
function A() {
_classCallCheck(this, A);
return _possibleConstructorReturn(this, _getPrototypeOf(A).apply(this, arguments));
}
_createClass(A, [
{
key: "foo",
value: function foo() {
_get(_getPrototypeOf(A.prototype), "foo", this).call(this);
}
}
]);
return A;
}(B);
"#
);
test!(
syntax(),
|t| classes(Some(t.comments.clone())),
issue_1660_1,
"
class A {
}
",
"
let A = function A() {
'use strict';
_classCallCheck(this, A);
};
"
);
test!(
syntax(),
|t| classes(Some(t.comments.clone())),
issue_1660_2,
"
const foo = class {run(){}};
",
"
const foo = function() {
'use strict';
function _class() {
_classCallCheck(this, _class);
}
_createClass(_class, [
{
key: 'run',
value: function run() {
}
}
]);
return _class;
}();
"
);
test!(
syntax(),
|t| classes(Some(t.comments.clone())),
issue_1660_3,
"
console.log(class { run() { } });
",
"
console.log(function() {
'use strict';
function _class() {
_classCallCheck(this, _class);
}
_createClass(_class, [
{
key: 'run',
value: function run() {
}
}
]);
return _class;
}());
"
);
test!(
syntax(),
|t| {
let global_mark = Mark::fresh(Mark::root());
chain!(
es2020::es2020(es2020::Config { loose: false }),
es2018::es2018(),
es2017::es2017(),
es2016::es2016(),
es2015::es2015(
global_mark,
Some(t.comments.clone()),
es2015::Config {
..Default::default()
}
),
)
},
issue_1660_4,
"
console.log(class { run() { } });
",
"
console.log(function() {
'use strict';
function _class() {
_classCallCheck(this, _class);
}
_createClass(_class, [
{
key: 'run',
value: function run() {
}
}
]);
return _class;
}());
"
);
test!(
syntax(),
|t| {
let global_mark = Mark::fresh(Mark::root());
chain!(
class_properties(class_properties::Config { loose: false }),
es2015::es2015(
global_mark,
Some(t.comments.clone()),
es2015::Config {
..Default::default()
}
),
)
},
issue_1660_5,
"
console.log(class { run() { } });
",
"
console.log(function() {
'use strict';
function _class() {
_classCallCheck(this, _class);
}
_createClass(_class, [
{
key: 'run',
value: function run() {
}
}
]);
return _class;
}());
"
);
test!(
syntax(),
|t| tr(t),
issue_1838,
r#"
class Foo {
let() {}
}
"#,
r#"
let Foo = /*#__PURE__*/ function() {
"use strict";
function Foo() {
_classCallCheck(this, Foo);
}
_createClass(Foo, [
{
key: "let",
value: function _let() {
}
}
]);
return Foo;
}();
"#
);
test!(
syntax(),
|t| tr(t),
issue_1799_1,
"
export default function Foo() {
return call(async (e) => { await doSomething(); })
}
",
"
export default function Foo() {
return call(async (e)=>{
await doSomething();
});
}
"
);
test!(
syntax(),
|t| {
let global_mark = Mark::fresh(Mark::root());
chain!(
class_properties(class_properties::Config { loose: false }),
es2015::es2015(
global_mark,
Some(t.comments.clone()),
es2015::Config {
..Default::default()
}
),
)
},
issue_1959_1,
"
class Extended extends Base {
getNext() {
return super.getNext(114514) + 114514
}
}
",
"
var Extended = function(Base) {
'use strict';
_inherits(Extended, Base);
function Extended() {
_classCallCheck(this, Extended);
return _possibleConstructorReturn(this, _getPrototypeOf(Extended).apply(this, arguments));
}
_createClass(Extended, [
{
key: 'getNext',
value: function getNext() {
return _get(_getPrototypeOf(Extended.prototype), 'getNext', this).call(this, \
114514) + 114514;
}
}
]);
return Extended;
}(Base);
"
);
test!(
syntax(),
|t| {
let global_mark = Mark::fresh(Mark::root());
chain!(
class_properties(class_properties::Config { loose: false }),
es2015::es2015(
global_mark,
Some(t.comments.clone()),
es2015::Config {
..Default::default()
}
),
)
},
issue_1959_2,
"
class Extended extends Base {
getNext() {
return super.getNext(114514)
}
}
",
"
var Extended = function(Base) {
'use strict';
_inherits(Extended, Base);
function Extended() {
_classCallCheck(this, Extended);
return _possibleConstructorReturn(this, _getPrototypeOf(Extended).apply(this, arguments));
}
_createClass(Extended, [
{
key: 'getNext',
value: function getNext() {
return _get(_getPrototypeOf(Extended.prototype), 'getNext', this).call(this, \
114514);
}
}
]);
return Extended;
}(Base);
"
);
#[testing::fixture("tests/fixture/classes/**/exec.js")]
fn exec(input: PathBuf) {
let src = read_to_string(&input).unwrap();
compare_stdout(
Default::default(),
|t| {
chain!(
class_properties(class_properties::Config { loose: false }),
classes(Some(t.comments.clone()))
)
},
&src,
);
}