set_context.js

export default function websiteContext(Component) {  
  class WebsiteContextComponent extends React.Component {
    static propTypes = {
      dispatch: PropTypes.func.isRequired,
      state: PropTypes.object.isRequire,
      params: PropTypes.shape({
        websiteId: PropTypes.string.isRequired
      })
    };

    componentDidMount() {
      this._setCurrentWebsite();
    }

    componentDidUpdate() {
      this._setCurrentWebsite();
    }

    _setCurrentWebsite() {
      const {
        dispatch,
        params: { websiteId },
        state: { websites }
      } = this.props;

      // prepare context data here..
      const website = _.find(websites, { id: websiteId });

      dispatch(loadContextWebsite(website));
    }

    render() {
      const { state: { website } } = this.props;

      return (
        <div className="website-context">
          { website ? <Component {...this.props} /> : null }
        </div>
      );
    }
  }

  const mapStateToProps = (state) => {
    return {
      state: state.application
    };
  };

  return connect(mapStateToProps)(WebsiteContextComponent);
}