//// [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.__extends || function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; function __() { this.constructor = d; } __.prototype = b.prototype; d.prototype = new __(); }; var Base = (function () { function Base(x) { this.a = 1; this.a = x; } return Base; })(); var Derived = (function (_super) { __extends(Derived, _super); function Derived(y, z) { _super.call(this, 2); this.b = ''; this.b = y; } return Derived; })(Base); var Derived2 = (function (_super) { __extends(Derived2, _super); function Derived2() { _super.apply(this, arguments); this.x = 1; this.y = 'hello'; } return Derived2; })(Derived); var r = new Derived(); // error var r2 = new Derived2(1); // error var r3 = new Derived('', ''); var Base2 = (function () { function Base2(x) { this.a = x; } return Base2; })(); var D = (function (_super) { __extends(D, _super); function D(y, z) { _super.call(this, 2); this.b = null; this.b = y; } return D; })(Base); var D2 = (function (_super) { __extends(D2, _super); function D2() { _super.apply(this, arguments); this.x = 2; this.y = null; } return D2; })(D); var d = new D2(); // error var d2 = new D2(new Date()); // error var d3 = new D2(new Date(), new Date()); // ok