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//// [abstractPropertyInConstructor.ts]
abstract class AbstractClass {
constructor(str: string, other: AbstractClass) {
this.method(parseInt(str));
let val = this.prop.toLowerCase();
if (!str) {
this.prop = "Hello World";
}
this.cb(str);
// OK, reference is inside function
const innerFunction = () => {
return this.prop;
}
// OK, references are to another instance
other.cb(other.prop);
}
abstract prop: string;
abstract cb: (s: string) => void;
abstract method(num: number): void;
other = this.prop;
fn = () => this.prop;
method2() {
this.prop = this.prop + "!";
}
}
abstract class DerivedAbstractClass extends AbstractClass {
cb = (s: string) => {};
constructor(str: string, other: AbstractClass, yetAnother: DerivedAbstractClass) {
super(str, other);
// there is no implementation of 'prop' in any base class
this.cb(this.prop.toLowerCase());
this.method(1);
// OK, references are to another instance
other.cb(other.prop);
yetAnother.cb(yetAnother.prop);
}
}
class Implementation extends DerivedAbstractClass {
prop = "";
cb = (s: string) => {};
constructor(str: string, other: AbstractClass, yetAnother: DerivedAbstractClass) {
super(str, other, yetAnother);
this.cb(this.prop);
}
method(n: number) {
this.cb(this.prop + n);
}
}
class User {
constructor(a: AbstractClass) {
a.prop;
a.cb("hi");
a.method(12);
a.method2();
}
}
abstract class C1 {
abstract x: string;
abstract y: string;
constructor() {
let self = this; // ok
let { x, y: y1 } = this; // error
({ x, y: y1, "y": y1 } = this); // error
}
}
class C2 {
x: string;
y: string;
constructor() {
let self = this; // ok
let { x, y: y1 } = this; // ok
({ x, y: y1, "y": y1 } = this); // ok
}
}
//// [abstractPropertyInConstructor.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 (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var AbstractClass = /** @class */ (function () {
function AbstractClass(str, other) {
var _this = this;
this.other = this.prop;
this.fn = function () { return _this.prop; };
this.method(parseInt(str));
var val = this.prop.toLowerCase();
if (!str) {
this.prop = "Hello World";
}
this.cb(str);
// OK, reference is inside function
var innerFunction = function () {
return _this.prop;
};
// OK, references are to another instance
other.cb(other.prop);
}
AbstractClass.prototype.method2 = function () {
this.prop = this.prop + "!";
};
return AbstractClass;
}());
var DerivedAbstractClass = /** @class */ (function (_super) {
__extends(DerivedAbstractClass, _super);
function DerivedAbstractClass(str, other, yetAnother) {
var _this = _super.call(this, str, other) || this;
_this.cb = function (s) { };
// there is no implementation of 'prop' in any base class
_this.cb(_this.prop.toLowerCase());
_this.method(1);
// OK, references are to another instance
other.cb(other.prop);
yetAnother.cb(yetAnother.prop);
return _this;
}
return DerivedAbstractClass;
}(AbstractClass));
var Implementation = /** @class */ (function (_super) {
__extends(Implementation, _super);
function Implementation(str, other, yetAnother) {
var _this = _super.call(this, str, other, yetAnother) || this;
_this.prop = "";
_this.cb = function (s) { };
_this.cb(_this.prop);
return _this;
}
Implementation.prototype.method = function (n) {
this.cb(this.prop + n);
};
return Implementation;
}(DerivedAbstractClass));
var User = /** @class */ (function () {
function User(a) {
a.prop;
a.cb("hi");
a.method(12);
a.method2();
}
return User;
}());
var C1 = /** @class */ (function () {
function C1() {
var _a;
var self = this; // ok
var _b = this, x = _b.x, y1 = _b.y; // error
(_a = this, x = _a.x, y1 = _a.y, y1 = _a["y"]); // error
}
return C1;
}());
var C2 = /** @class */ (function () {
function C2() {
var _a;
var self = this; // ok
var _b = this, x = _b.x, y1 = _b.y; // ok
(_a = this, x = _a.x, y1 = _a.y, y1 = _a["y"]); // ok
}
return C2;
}());
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