Final ConnectState

final-connect-state.js

class ConnectState extends React.Component {
  state = {};

  static getDerivedStateFromProps ({ state, mapState = s => s }) {
    return mapState(state);
  }

  shouldComponentUpdate (nextProps, nextState) {
    return shallowCompare(this.state, nextState);
  }

  render () {
    return this.props.children({
      state: this.state,
      dispatch: this.props.mapDispatch ? this.props.mapDispatch(this.props.dispatch) : this.props.dispatch
    });
  }
}