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//// [thisInInvalidContexts.ts]
//'this' in static member initializer
class ErrClass1 {
static t = this; // Error
}
class BaseErrClass {
constructor(t: any) { }
}
class ClassWithNoInitializer extends BaseErrClass {
t;
//'this' in optional super call
constructor() {
super(this); // Error
}
}
class ClassWithInitializer extends BaseErrClass {
t = 4;
//'this' in required super call
constructor() {
super(this); // Error
}
}
module M {
//'this' in module variable
var x = this; // Error
}
//'this' as type parameter constraint
// function fn<T extends this >() { } // Error
//'this' as a type argument
function genericFunc<T>(x: T) { }
genericFunc<this>(undefined); // Should be an error
class ErrClass3 extends this {
}
//'this' as a computed enum value
enum SomeEnum {
A = this, // Should not be allowed
B = this.spaaaace // Also should not be allowed
}
//// [thisInInvalidContexts.js]
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var _this = this;
//'this' in static member initializer
var ErrClass1 = /** @class */ (function () {
function ErrClass1() {
}
ErrClass1.t = this; // Error
return ErrClass1;
}());
var BaseErrClass = /** @class */ (function () {
function BaseErrClass(t) {
}
return BaseErrClass;
}());
var ClassWithNoInitializer = /** @class */ (function (_super) {
__extends(ClassWithNoInitializer, _super);
//'this' in optional super call
function ClassWithNoInitializer() {
var _this = _super.call(this, _this) || this;
return _this;
}
return ClassWithNoInitializer;
}(BaseErrClass));
var ClassWithInitializer = /** @class */ (function (_super) {
__extends(ClassWithInitializer, _super);
//'this' in required super call
function ClassWithInitializer() {
var _this = _super.call(this, _this) || this;
_this.t = 4;
return _this;
}
return ClassWithInitializer;
}(BaseErrClass));
var M;
(function (M) {
//'this' in module variable
var x = this; // Error
})(M || (M = {}));
//'this' as type parameter constraint
// function fn<T extends this >() { } // Error
//'this' as a type argument
function genericFunc(x) { }
genericFunc(undefined); // Should be an error
var ErrClass3 = /** @class */ (function (_super) {
__extends(ErrClass3, _super);
function ErrClass3() {
return _super !== null && _super.apply(this, arguments) || this;
}
return ErrClass3;
}(this));
//'this' as a computed enum value
var SomeEnum;
(function (SomeEnum) {
SomeEnum[SomeEnum["A"] = this] = "A";
SomeEnum[SomeEnum["B"] = this.spaaaace] = "B"; // Also should not be allowed
})(SomeEnum || (SomeEnum = {}));
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