Exemplo de um componente(com auto refresh) React com parâmetros Rails

Article.js

import React from "react"
import PropTypes from "prop-types"
import Timestamp from "react-timestamp"

class Article extends React.Component {
  render () {
    return (
      <React.Fragment>
        <div className="article-title">
          <a href={this.props.path}>{this.props.title}</a>
        </div>
        <div className="article-body">
          {this.props.description}

          <div className="article-meta-details">
            <small>
              Created by:  {this.props.author}, &nbsp; 
                <Timestamp relative date={this.props.created_at} />,
              last updated: &nbsp;
                <Timestamp relative date={this.props.updated_at} /> 
            </small>  
          </div>
        </div>
      </React.Fragment>
    );
  }

  componentDidMount() {
    var self = this;
    self._timer = setInterval( function() {self.forceUpdate()}, 1000);
  }

  componentWillUnmount() {
    if (this._timer) {
      cleanInterval(this._timer);
      this._timer = null;
    }
  }
}

Article.propTypes = {
  title: PropTypes.string,
  path: PropTypes.string,
  description: PropTypes.string,
  author: PropTypes.string,
  created_at: PropTypes.string,
  updated_at: PropTypes.string,
};
export default Article