nk-virtual/main.js

It is just an interface or wrapper around react library.

import * as react from "react";
import ReactDom from 'react-dom';
import PropTypes from "prop-types";
import ReactCSSTransitionGroup from "react-addons-css-transition-group";

import { createElement, Children } from "react";

class Component extends react.Component {
  constructor(props) {
    super(...arguments);
  }
  createdCallback() {}
  attachedCallback() {}
  detachedCallback() {}
  attributeChangedCallback() {}
  componentWillReceiveProps() {
    this.attributeChangedCallback(...arguments);
  }
  componentWillMount() {
    this.createdCallback(...arguments);
  }
  componentDidMount() {
    this.attachedCallback(...arguments);
  }
  componentWillUnmount() {
    this.detachedCallback(...arguments);
  }
}

class PureComponent extends react.PureComponent {
  constructor(props) {
    super(...arguments);
  }
  createdCallback() {}
  attachedCallback() {}
  detachedCallback() {}
  attributeChangedCallback() {}
  componentWillReceiveProps() {
    this.attributeChangedCallback(...arguments);
  }
  componentWillMount() {
    this.createdCallback(...arguments);
  }
  componentDidMount() {
    this.attachedCallback(...arguments);
  }
  componentWillUnmount() {
    this.detachedCallback(...arguments);
  }
}

  
const VirtualCSSTransitionGroup = ReactCSSTransitionGroup;

const Virtual =  { PropTypes, createElement, Children, Component, PureComponent }

const VirtualDom = { render: ReactDom.render }

export { 
  Virtual, VirtualDom, PropTypes, VirtualCSSTransitionGroup
}