ES6-Classes-Mixin

You can use function mix to extend your classes like this:

class NewClass extends mix(classA, classB [, classC, ...]){
  constructor(...args) {
    super(...args)

    // Your code here
  }
}

This function will automatically mix all your class in together and manage every Constructor for you. In other words, you're able to set your superclass as the first class.

class NewClass extends mix(superclass, classA, [, classB, ...]){
  constructor(...args) {
    super(...args)

    // Your code here
  }
}

If you don't like this kind of mixin function, please check MixWith.js for more infomation.

Define a Mixin:

let MyMixin = (superclass) => class extends superclass {
  // mixin methods here
};

Use a Mixin without mixwith:

class MyClass extends MyMixin(MySuperClass) {
  // class methods here, go ahead, use super!
}

Use a Mixin with mixwith:

class MyClass extends mix(MySuperClass).with(MyMixin, OtherMixin) {
  // class methods here, go ahead, use super!
}