//// [derivedClassWithoutExplicitConstructor3.ts] // automatic constructors with a class hieararchy of depth > 2 class Base { a = 1; constructor(x: number) { this.a = x; } } class Derived extends Base { b = ''; constructor(y: string, z: string) { super(2); this.b = y; } } class Derived2 extends Derived { x = 1 y = 'hello'; } var r = new Derived(); // error var r2 = new Derived2(1); // error var r3 = new Derived('', ''); class Base2 { a: T; constructor(x: T) { this.a = x; } } class D extends Base { b: T = null; constructor(y: T, z: T) { super(2); this.b = y; } } class D2 extends D { x = 2 y: T = null; } var d = new D2(); // error var d2 = new D2(new Date()); // error var d3 = new D2(new Date(), new Date()); // ok //// [derivedClassWithoutExplicitConstructor3.js] // automatic constructors with a class hieararchy of depth > 2 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 Base = /** @class */ (function () { function Base(x) { this.a = 1; this.a = x; } return Base; }()); var Derived = /** @class */ (function (_super) { __extends(Derived, _super); function Derived(y, z) { var _this = _super.call(this, 2) || this; _this.b = ''; _this.b = y; return _this; } return Derived; }(Base)); var Derived2 = /** @class */ (function (_super) { __extends(Derived2, _super); function Derived2() { var _this = _super !== null && _super.apply(this, arguments) || this; _this.x = 1; _this.y = 'hello'; return _this; } return Derived2; }(Derived)); var r = new Derived(); // error var r2 = new Derived2(1); // error var r3 = new Derived('', ''); var Base2 = /** @class */ (function () { function Base2(x) { this.a = x; } return Base2; }()); var D = /** @class */ (function (_super) { __extends(D, _super); function D(y, z) { var _this = _super.call(this, 2) || this; _this.b = null; _this.b = y; return _this; } return D; }(Base)); var D2 = /** @class */ (function (_super) { __extends(D2, _super); function D2() { var _this = _super !== null && _super.apply(this, arguments) || this; _this.x = 2; _this.y = null; return _this; } return D2; }(D)); var d = new D2(); // error var d2 = new D2(new Date()); // error var d3 = new D2(new Date(), new Date()); // ok