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Markdown Extensions

VitePress comes with built in Markdown Extensions.

Header Anchors

Headers automatically get anchor links applied. Rendering of anchors can be configured using the markdown.anchor option.

Both internal and external links gets special treatments.

Internal links are converted to router link for SPA navigation. Also, every index.md contained in each sub-directory will automatically be converted to index.html, with corresponding URL /.

For example, given the following directory structure:

.
├─ index.md
├─ foo
│  ├─ index.md
│  ├─ one.md
│  └─ two.md
└─ bar
   ├─ index.md
   ├─ three.md
   └─ four.md

And providing you are in foo/one.md:

md
[Home](/) <!-- sends the user to the root index.md -->
[foo](/foo/) <!-- sends the user to index.html of directory foo -->
[foo heading](./#heading) <!-- anchors user to a heading in the foo index file -->
[bar - three](../bar/three) <!-- you can omit extention -->
[bar - three](../bar/three.md) <!-- you can append .md -->
[bar - four](../bar/four.html) <!-- or you can append .html -->

Pages and internal links get generated with the .html suffix by default.

Outbound links automatically get target="_blank" rel="noopener noreferrer":

Frontmatter

YAML frontmatter is supported out of the box:

yaml
---
title: Blogging Like a Hacker
lang: en-US
---

Page Suffix

This data will be available to the rest of the page, along with all custom and theming components.

For more details, see Frontmatter.

GitHub-Style Tables

Input

| Tables        | Are           | Cool  |
| ------------- |:-------------:| -----:|
| col 3 is      | right-aligned | $1600 |
| col 2 is      | centered      |   $12 |
| zebra stripes | are neat      |    $1 |

Output

TablesAreCool
col 3 isright-aligned$1600
col 2 iscentered$12
zebra stripesare neat$1

Emoji 🎉

Input

:tada: :100:

Output

🎉 💯

A list of all emojis is available.

Table of Contents

Input

[[toc]]

Output

Rendering of the TOC can be configured using the markdown.toc option.

Custom Containers

Custom containers can be defined by their types, titles, and contents.

Default Title

Input

md
::: info
This is an info box.
:::

::: tip
This is a tip.
:::

::: warning
This is a warning.
:::

::: danger
This is a dangerous warning.
:::

::: details
This is a details block.
:::

Output

INFO

This is an info box.

TIP

This is a tip.

WARNING

This is a dangerous warning.

DANGER

This is a dangerous warning.

Details

This is a details block.

Custom Title

You may set custom title by appending the text right after the "type" of the container.

Input

md
::: danger STOP
Danger zone, do not proceed
:::

::: details Click me to view the code
```js
console.log('Hello, VitePress!')
```
:::

Output

STOP

Danger zone, do not proceed

Click me to view the code
js
console.log('Hello, VitePress!')

Syntax Highlighting in Code Blocks

VitePress uses Shiki to highlight language syntax in Markdown code blocks, using coloured text. Shiki supports a wide variety of programming languages. All you need to do is append a valid language alias to the beginning backticks for the code block:

Input

```js
export default {
  name: 'MyComponent',
  // ...
}
```
```html
<ul>
  <li v-for="todo in todos" :key="todo.id">
    {{ todo.text }}
  </li>
</ul>
```

Output

js
export default {
  name: 'MyComponent'
  // ...
}
html
<ul>
  <li v-for="todo in todos" :key="todo.id">
    {{ todo.text }}
  </li>
</ul>

A list of valid languages is available on Shiki’s repository.

You may also customize syntax highlight theme in app config. Please see markdown options for more details.

Line Highlighting in Code Blocks

Input

```js{4}
export default {
  data () {
    return {
      msg: 'Highlighted!'
    }
  }
}
```

Output

js
export default {
  data () {
    return {
      msg: 'Highlighted!'
    }
  }
}

In addition to a single line, you can also specify multiple single lines, ranges, or both:

  • Line ranges: for example {5-8}, {3-10}, {10-17}
  • Multiple single lines: for example {4,7,9}
  • Line ranges and single lines: for example {4,7-13,16,23-27,40}

Input

```js{1,4,6-7}
export default { // Highlighted
  data () {
    return {
      msg: `Highlighted!
      This line isn't highlighted,
      but this and the next 2 are.`,
      motd: 'VitePress is awesome',
      lorem: 'ipsum'
    }
  }
}
```

Output

js
export default { // Highlighted
  data () {
    return {
      msg: `Highlighted!
      This line isn't highlighted,
      but this and the next 2 are.`,
      motd: 'VitePress is awesome',
      lorem: 'ipsum',
    }
  }
}

Line Numbers

You can enable line numbers for each code blocks via config:

js
export default {
  markdown: {
    lineNumbers: true
  }
}

Please see markdown options for more details.

Import Code Snippets

You can import code snippets from existing files via following syntax:

md
<<< @/filepath

It also supports line highlighting:

md
<<< @/filepath{highlightLines}

Input

md
<<< @/snippets/snippet.js{2}

Code file

Invalid code snippet option

Output'

Invalid code snippet option

TIP

The value of @ corresponds to the source root. By default it's the VitePress project root, unless srcDir is configured.

You can also use a VS Code region to only include the corresponding part of the code file. You can provide a custom region name after a # following the filepath:

Input

md
<<< @/snippets/snippet-with-region.js#snippet{1}

Code file

@/snippets/snippet-with-region.js

Output

/snippets/snippet-with-region.js#snippet{1}

Advanced Configuration

VitePress uses markdown-it as the Markdown renderer. A lot of the extensions above are implemented via custom plugins. You can further customize the markdown-it instance using the markdown option in .vitepress/config.js:

js
const anchor = require('markdown-it-anchor')

module.exports = {
  markdown: {
    // options for markdown-it-anchor
    // https://github.com/valeriangalliat/markdown-it-anchor#permalinks
    anchor: {
      permalink: anchor.permalink.headerLink()
    },

    // options for markdown-it-toc-done-right
    toc: { level: [1, 2] },

    config: (md) => {
      // use more markdown-it plugins!
      md.use(require('markdown-it-xxx'))
    }
  }
}

See full list of configurable properties in Configs: App Configs.