How to add mixins to ES6 javascript classes?

How to add mixins to ES6 javascript classes?

javascript node.js class ecmascript-6 lodash

node.js

NodeJS modules vs classes

class node.js module commonjs

node.js

proper way of using es6 classes in a nodejs project

node.js class ecmascript-6

node.js

Export a class from a Coffeescript file

class node.js export coffeescript

node.js

Module exports class Nodes.js

class node.js module

node.js