//// [baseTypeOrderChecking.ts] var someVariable: Class4; class Class1 { } class Class2 extends Class1 { } class Class3 { public memberVariable: Class2; } class Class4 extends Class3 { } //// [baseTypeOrderChecking.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 someVariable; var Class1 = (function () { function Class1() { } return Class1; })(); var Class2 = (function (_super) { __extends(Class2, _super); function Class2() { _super.apply(this, arguments); } return Class2; })(Class1); var Class3 = (function () { function Class3() { } return Class3; })(); var Class4 = (function (_super) { __extends(Class4, _super); function Class4() { _super.apply(this, arguments); } return Class4; })(Class3);