//// [classExtendsItself.ts] class C extends C { } // error class D extends D { } // error class E extends E { } // error //// [classExtendsItself.js] 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 C = (function (_super) { __extends(C, _super); function C() { _super.apply(this, arguments); } return C; })(C); // error var D = (function (_super) { __extends(D, _super); function D() { _super.apply(this, arguments); } return D; })(D); // error var E = (function (_super) { __extends(E, _super); function E() { _super.apply(this, arguments); } return E; })(E); // error