React iframe component

Iframe.js

/*
Prop-types was broken out of React in 15.5
JSX USAGE: <Iframe src='http://web.site' onLoad={myOnloadFunction}/>
*/
import React, { Component } from 'react'
import ReactDOM from 'react-dom'
import PropTypes from 'prop-types'

class Iframe extends Component {

  static propTypes: Object = {
    src: PropTypes.string.isRequired,
    onLoad: PropTypes.func,
  }

  componentDidMount () {
    let iframe = ReactDOM.findDOMNode(this.refs.iframe)
    iframe.onload = () => this.props.onLoad // workaround Chrome event bug firing twice
  }

  componentWillUnmount() {
    let iframe = ReactDOM.findDOMNode(this.refs.iframe)
    iframe.onload = null
  }

  shouldComponentUpdate() {
    return false;
  }

  render () {
    const iframeStyle = {
      width: '100%',
      height: '100%',
      border: '0'
    }

    return (
      <iframe
        ref="iframe"
        {...this.props}
        frameBorder={'0'}
        style={iframeStyle}
      />
    )
  }

}

export default Iframe