JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.3.2/umd/react.development.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.3.2/umd/react-dom.development.js"></script>
<div id="app"></div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#app {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  transition: all 0.2s;
}

Babel + JSX

class Test extends React.Component {
  
  static getDerivedStateFromProps({ text }) {
  	// This seems pointless but not all text that is typed comes back as props
   	// only some updates are propagated to the redux store
    // this is so that people can type invalid things, but only valid input is saved
  	if (text) {
    	// Unexpectedly this fires after setState is called
      // If we return text here it will take precedence
      // over the value passed in setState
    	return { text } 
    }
    return null
  }
  
  constructor(props) {
    super(props)
    this.state = {
      text: props.text
    }
  }
  
  changeLang(newText) {
  	this.setState({ text: newText })
  }
  
  render() {
    return (<div>
      <input onChange={({ target }) => this.changeLang(target.value)} value={this.state.text} />
      </div>);
  }
}

ReactDOM.render(<Test text="hello " />, document.querySelector("#app"));