connectFn-2.js

// connectFn.js file
import React, { Component } from 'react';

const connectFn = (mapStateToProps, mapDispatchToProps) => {
  return (WrappedComponent) => {
    return class extends Component {
      render() {
        return (
          <WrappedComponent />
        );
      }
    }
  }
}

export { connectFn };