React render *.md via custom component

Question

Its easy to render markdown data via react-markdown module. But I cant implement render all *.md files via custom MarkdownPage component:

<Route path="*.md" component={MarkdownPage} />

but route didn't work and *.md-files open in browser as-is.

I'm expecting that this file will be provided as a data to component via props, to do something like:

render() {
  return (
    <h1>Pretty markdown</h1>
    <Page>
      <ReactMarkdown source={this.props} />
    </Page>
  );
}

How could I achieve this?

Fabian Schultz · Accepted Answer · 2016-11-29 23:21:06Z

3

One approach would be to use a GET request to either a .md file or a JSON that includes the markdown as a string. Here's an example of that:

class ReactMarkdown extends React.Component {
  constructor() {
    super();
    this.state = { html: '' };
  }

  componentDidMount() {
    fetch(this.props.md)
      .then(response => response.text())
      .then(markdown => this.setState({ html: marked(markdown) }));
  }

  render() {
    return (
      <div dangerouslySetInnerHTML={{ __html: this.state.html }}></div>
    );
  }
}

ReactDOM.render(<ReactMarkdown md="https://cdn.rawgit.com/fabe/react-portfolio/master/README.md"/>, document.getElementById('View'));

<script src="https://cdnjs.cloudflare.com/ajax/libs/marked/0.3.6/marked.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.1.0/react.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.1.0/react-dom.min.js"></script>
<div id="View"></div>

With React Router:

<Route path="/markdown/:file" component={MarkdownPage} />
// Example route: localhost:3000/markdown/x.md

Then inside your component:

fetch('/' + this.props.params.file)

edited Nov 29, 2016 at 23:21

answered Nov 29, 2016 at 21:49

Fabian Schultz

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11 Comments

Paolo Moretti Over a year ago

You don't need const _this = this when using arrow functions, this is lexically bound.

Fabian Schultz Over a year ago

Thanks, that makes it even more simple.

Serhii Over a year ago

Yes, I'm using webpack. But there is a need to render any `*.md* file, so I could not require specific one.

Fabian Schultz Over a year ago

Then the GET request is probably your best option.

Fabian Schultz Over a year ago

A code example is right there in my answer. I'm doing a GET request to a remote .md file and render it. Click on "Run code snippet" to see what the code is doing.

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