text: import React from "react";
  import markdown from "markdown-in-js";
  
  import DefaultPage from "./DefaultPage";
  import EditorTranspiler from "../components/EditorTranspiler";
  import markdownOptions from "../utils/MarkdownOptions";
  
  const code = `const foo = () => 'bar'
  
  const baz = (x) => {
    return x + 1
  }
  
  const squareSum = (...args) => {
    const squared = args.map(x => Math.pow(x, 2))
    return squared.reduce((prev, curr) => prev + curr)
  }
  
  this.items.map(x => this.doSomethingWith(x))`;
  
  const content = markdown(markdownOptions)`
  这个加粗**fat arrow**
  
  ${<EditorTranspiler code={code} title={"Fat arrow functions"} />}
  `;
  
  export default props => <DefaultPage {...props}>{content}</DefaultPage>;
  