markdown-navbar

Markdown-Navbar

A React component renders an interactive navbar panel of Markdown docs for your blog or website.

Features

Implement some regular functions easily by using this component, such as:

• Display the structure tree of your article defined by the headings.
• Render anchors that navigate to specific headings in the article.
• Share one URL to readers to navigate to a specific area of the article.

Install

yarn add markdown-navbar # or `npm i markdown-navbar --save`

Quickstart

import React from 'react';
import ReactDOM from 'react-dom';
// One third-part component for render markdown documentation
import ReactMarkdown from 'react-markdown';
import MarkdownNavbar from 'markdown-navbar';
// The default style of markdown-navbar should be imported additionally
import 'markdown-navbar/dist/navbar.css';

const article = `# Markdown-Navbar Demo

## Chicken Chicken

Chicken Chicken Chicken Chicken Chicken.

* Chicken Chicken Chicken Chicken Chicken.
* Chicken Chicken Chicken Chicken Chicken.
* Chicken Chicken Chicken Chicken Chicken.

### Chicken Chicken Chicken

Chicken Chicken Chicken Chicken Chicken.

#### Chicken Chicken Chicken Chicken

Chicken Chicken Chicken Chicken Chicken Chicken.`;

function App() {
  return (
    <div className="App">
      <div className="article">
        <ReactMarkdown source={article} />
      </div>
      <div className="navigation">
        <MarkdownNavbar source={article} />
      </div>
    </div>
  );
}

ReactDOM.render(<App />, document.getElementById('root'));

Tips

• The component only parses article headings at level 2 and below. The article title, which is usually used once in an article, will not appear in the navigation bar.
• The component needs to be used in conjunction with your article content. When using this component, you must ensure that your article under the same page content.
• Please confirm that every heading of your markdown document is different by each other when the value of property declarative is setted as true.

Props

Property	Data Type	Default Value	Description
className	string	""	The className that defines the outermost container of navbar
source	string	""	Markdown text content
headingTopOffset	number	0	Anchor displacement relative to the top of the window (for the anchor jump)
updateHashAuto	boolean	true	Automatically update the hash value of browser address when page scrolling if true
declarative	boolean	false	Use the text of the title from Markdown content as the hash value for the anchor if true
ordered	boolean	true	Whether the title contains a numerical prefix, such as: 1. 2. 2.2
onNavItemClick	function	(event, element, hashValue) => {}	The event callback function after clicking navbar item
onHashChange	function	(newHash, oldHash) => {}	The event callback function before the hash value of browser address changing

License

MIT license

Changelog

1.4.3 (2020-08-12)

Bug Fixes

• the exception in Safari due to too many calls to the history.replacestate method (2834372)
• 文档内容无标题时的页面滚动报错 (a3353a6)
• 非标题行内出现#号导致的导航解析不正确 (074cb10)

<a name="1.4.0"></a>

Features

• scroll page to target heading when event hashchange has been triggered (e76941d)

<a name="1.3.7"></a>