containers/CounterContainer.js

import React from 'react';
import { connect } from 'react-redux';
import Counter from '../components/Counter';
import { increase, decrease } from '../modules/counter';

const CounterContainer = ({ number, increase, decrease }) => {
  return (
    <Counter number={number} onIncrease={increase} onDecrease={decrease} />
  );
};

const mapStateToProps = state => ({
  number: state.counter.number,
});
const mapDispatchToProps = dispatch => ({
  increase: () => {
    dispatch(increase());
  },
  decrease: () => {
    dispatch(decrease());
  },
});
export default connect(
  mapStateToProps,
  mapDispatchToProps,
)(CounterContainer);

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