Warning: MeteorDataContainer: React.createClass is deprecated and

import React, { Component } from ‘react’;

// import { createContainer } from ‘meteor/react-meteor-data’;

// issue https://facebook.github.io/react/blog/2017/04/07/react-v15.5.0.html#migrating-from-react.createclass

import createReactClass from ‘create-react-class’;

import { createContainer } from ‘meteor/react-meteor-data’;

import { Employees } from ‘…/…/imports/collections/employees’;

const EmployeeList = () => {
return(

Employee List
); };

export default createContainer (() => {
// set up subscription
Meteor.subscribe(‘employees’);
// return an object, whatever we return will be sent to EmployeeList
// as props
return { employees: Employees.find({}).fetch() };
}, EmployeeList);

Fixing seems to be already in progress: https://github.com/meteor/react-packages/issues/219