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49 lines
1.4 KiB
49 lines
1.4 KiB
# Frontmatter
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## Usage
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VitePress supports YAML frontmatter in all Markdown files, parsing them with [gray-matter](https://github.com/jonschlinkert/gray-matter). The frontmatter must be at the top of the Markdown file (before any elements including `<script>` tags), and must take the form of valid YAML set between triple-dashed lines. Example:
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```md
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---
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title: Docs with VitePress
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editLink: true
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---
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```
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Many site or default theme config options have corresponding options in frontmatter. You can use frontmatter to override specific behavior for the current page only. For details, see [Frontmatter Config Reference](../reference/frontmatter-config).
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You can also define custom frontmatter data of your own, to be used in dynamic Vue expressions on the page.
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## Accessing Frontmatter Data
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Frontmatter data can be accessed via the special `$frontmatter` global variable:
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Here's an example of how you could use it in your Markdown file:
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```md
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---
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title: Docs with VitePress
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editLink: true
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---
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# {{ $frontmatter.title }}
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Guide content
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```
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You can also access current page's frontmatter data in `<script setup>` with the [`useData()`](../reference/runtime-api#usedata) helper.
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## Alternative Frontmatter Formats
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VitePress also supports JSON frontmatter syntax, starting and ending in curly braces:
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```json
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---
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{
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"title": "Blogging Like a Hacker",
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"editLink": true
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}
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---
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```
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