161 lines
4 KiB
TypeScript
161 lines
4 KiB
TypeScript
//// [mixinClassesAnonymous.ts]
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type Constructor<T> = new(...args: any[]) => T;
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class Base {
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constructor(public x: number, public y: number) {}
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}
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class Derived extends Base {
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constructor(x: number, y: number, public z: number) {
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super(x, y);
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}
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}
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const Printable = <T extends Constructor<Base>>(superClass: T) => class extends superClass {
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static message = "hello";
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print() {
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const output = this.x + "," + this.y;
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}
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}
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function Tagged<T extends Constructor<{}>>(superClass: T) {
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class C extends superClass {
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_tag: string;
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constructor(...args: any[]) {
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super(...args);
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this._tag = "hello";
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}
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}
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return C;
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}
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const Thing1 = Tagged(Derived);
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const Thing2 = Tagged(Printable(Derived));
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Thing2.message;
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function f1() {
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const thing = new Thing1(1, 2, 3);
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thing.x;
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thing._tag;
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}
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function f2() {
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const thing = new Thing2(1, 2, 3);
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thing.x;
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thing._tag;
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thing.print();
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}
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class Thing3 extends Thing2 {
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constructor(tag: string) {
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super(10, 20, 30);
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this._tag = tag;
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}
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test() {
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this.print();
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}
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}
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// Repro from #13805
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const Timestamped = <CT extends Constructor<object>>(Base: CT) => {
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return class extends Base {
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timestamp = new Date();
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};
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}
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//// [mixinClassesAnonymous.js]
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return function (d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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var Base = (function () {
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function Base(x, y) {
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this.x = x;
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this.y = y;
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}
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return Base;
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}());
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var Derived = (function (_super) {
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__extends(Derived, _super);
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function Derived(x, y, z) {
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var _this = _super.call(this, x, y) || this;
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_this.z = z;
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return _this;
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}
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return Derived;
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}(Base));
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var Printable = function (superClass) { return _a = (function (_super) {
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__extends(class_1, _super);
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function class_1() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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class_1.prototype.print = function () {
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var output = this.x + "," + this.y;
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};
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return class_1;
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}(superClass)),
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_a.message = "hello",
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_a; var _a; };
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function Tagged(superClass) {
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var C = (function (_super) {
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__extends(C, _super);
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function C() {
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var args = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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args[_i] = arguments[_i];
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}
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var _this = _super.apply(this, args) || this;
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_this._tag = "hello";
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return _this;
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}
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return C;
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}(superClass));
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return C;
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}
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var Thing1 = Tagged(Derived);
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var Thing2 = Tagged(Printable(Derived));
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Thing2.message;
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function f1() {
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var thing = new Thing1(1, 2, 3);
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thing.x;
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thing._tag;
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}
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function f2() {
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var thing = new Thing2(1, 2, 3);
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thing.x;
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thing._tag;
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thing.print();
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}
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var Thing3 = (function (_super) {
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__extends(Thing3, _super);
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function Thing3(tag) {
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var _this = _super.call(this, 10, 20, 30) || this;
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_this._tag = tag;
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return _this;
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}
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Thing3.prototype.test = function () {
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this.print();
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};
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return Thing3;
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}(Thing2));
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// Repro from #13805
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var Timestamped = function (Base) {
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return (function (_super) {
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__extends(class_2, _super);
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function class_2() {
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var _this = _super !== null && _super.apply(this, arguments) || this;
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_this.timestamp = new Date();
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return _this;
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}
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return class_2;
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}(Base));
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};
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