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//// [mixinClassesAnnotated.ts]
type Constructor<T> = new(...args: any[]) => T;
class Base {
constructor(public x: number, public y: number) {}
}
class Derived extends Base {
constructor(x: number, y: number, public z: number) {
super(x, y);
}
}
interface Printable {
print(): void;
}
const Printable = <T extends Constructor<Base>>(superClass: T): Constructor<Printable> & { message: string } & T =>
class extends superClass {
static message = "hello";
print() {
const output = this.x + "," + this.y;
}
}
interface Tagged {
_tag: string;
}
function Tagged<T extends Constructor<{}>>(superClass: T): Constructor<Tagged> & T {
class C extends superClass {
_tag: string;
constructor(...args: any[]) {
super(...args);
this._tag = "hello";
}
}
return C;
}
const Thing1 = Tagged(Derived);
const Thing2 = Tagged(Printable(Derived));
Thing2.message;
function f1() {
const thing = new Thing1(1, 2, 3);
thing.x;
thing._tag;
}
function f2() {
const thing = new Thing2(1, 2, 3);
thing.x;
thing._tag;
thing.print();
}
class Thing3 extends Thing2 {
constructor(tag: string) {
super(10, 20, 30);
this._tag = tag;
}
test() {
this.print();
}
}
//// [mixinClassesAnnotated.js]
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 (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
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, y) {
this.x = x;
this.y = y;
}
return Base;
}());
var Derived = /** @class */ (function (_super) {
__extends(Derived, _super);
function Derived(x, y, z) {
var _this = _super.call(this, x, y) || this;
_this.z = z;
return _this;
}
return Derived;
}(Base));
var Printable = function (superClass) { var _a; return _a = /** @class */ (function (_super) {
__extends(class_1, _super);
function class_1() {
return _super !== null && _super.apply(this, arguments) || this;
}
class_1.prototype.print = function () {
var output = this.x + "," + this.y;
};
return class_1;
}(superClass)),
_a.message = "hello",
_a; };
function Tagged(superClass) {
var C = /** @class */ (function (_super) {
__extends(C, _super);
function C() {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
var _this = _super.apply(this, args) || this;
_this._tag = "hello";
return _this;
}
return C;
}(superClass));
return C;
}
var Thing1 = Tagged(Derived);
var Thing2 = Tagged(Printable(Derived));
Thing2.message;
function f1() {
var thing = new Thing1(1, 2, 3);
thing.x;
thing._tag;
}
function f2() {
var thing = new Thing2(1, 2, 3);
thing.x;
thing._tag;
thing.print();
}
var Thing3 = /** @class */ (function (_super) {
__extends(Thing3, _super);
function Thing3(tag) {
var _this = _super.call(this, 10, 20, 30) || this;
_this._tag = tag;
return _this;
}
Thing3.prototype.test = function () {
this.print();
};
return Thing3;
}(Thing2));
//// [mixinClassesAnnotated.d.ts]
declare type Constructor<T> = new (...args: any[]) => T;
declare class Base {
x: number;
y: number;
constructor(x: number, y: number);
}
declare class Derived extends Base {
z: number;
constructor(x: number, y: number, z: number);
}
interface Printable {
print(): void;
}
declare const Printable: <T extends Constructor<Base>>(superClass: T) => Constructor<Printable> & {
message: string;
} & T;
interface Tagged {
_tag: string;
}
declare function Tagged<T extends Constructor<{}>>(superClass: T): Constructor<Tagged> & T;
declare const Thing1: Constructor<Tagged> & typeof Derived;
declare const Thing2: Constructor<Tagged> & Constructor<Printable> & {
message: string;
} & typeof Derived;
declare function f1(): void;
declare function f2(): void;
declare class Thing3 extends Thing2 {
constructor(tag: string);
test(): void;
}
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