text: import React from 'react'
  import SyntaxHighlighter from 'react-syntax-highlighter';
  import { docco } from 'react-syntax-highlighter/styles/hljs';
  
  class Highlighter extends React.Component {
    render() {
      let codeString = 
      `(num) => num + 1;\nlet x = x + 1;`;
      return <SyntaxHighlighter language='javascript' style={docco} showLineNumbers={true} wrapLines>{codeString}</SyntaxHighlighter>;  
    }
  }
  
  export default Highlighter;