D3ComponentExample.js

import React from 'react';
import ReactDOM from 'react-dom';

class D3ComponentExample extends React.Component {
  constructor(){
    super();
    
    this.update = this.update.bind(this);
  }
  
  render(){
    return (
      <svg>
        <g ref="group"></g>
      </svg>
    )
  }
  
  componentDidMount(){
    this.update();
  }
  
  componentDidUpdate(){
    this.update();
  }
  
  update(){
    const el = d3.select(this.refs.group);
    
    // perform initial d3 operations here
  }
  
}

export default D3ComponentExample;