TypeScript Multiple Inheritance using Mixins.

mixin.ts

import {using, Disposable} from "using-statement";
import {Mixin} from "ts-mixer";
import {EventEmitter} from "events";

class Walker {
  walk() {
    console.log("walking...");
  }
}

class Jumper {
  jump() {
    console.log("jumping...");
  }
}

// extending 3 Class
class MyComplexClass extends Mixin(EventEmitter, Walker, Jumper) implements Disposable {
  private readonly _name: string;

  constructor(name = "n/A") {
    super();
    this._name = name;
  }

  get name(): string {
    return this._name;
  }

  dispose(): void {
    console.log("disposed.");
  }
}

using(new MyComplexClass("sqrt(-1)"), complex => {
  console.log(complex.name);
  complex.jump();
  complex.walk();
})