rsnext/packages/next-mdx/readme.md
Shu Uesugi e1083f0e3a docs: remove --save from npm install; avoid system-ui (#10252)
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Co-authored-by: Joe Haddad <timer150@gmail.com>
2020-01-27 08:35:12 -05:00

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# Next.js + MDX
Use [MDX](https://github.com/mdx-js/mdx) with [Next.js](https://github.com/zeit/next.js)
## Installation
```
npm install @next/mdx @mdx-js/loader
```
or
```
yarn add @next/mdx @mdx-js/loader
```
## Usage
Create a `next.config.js` in your project
```js
// next.config.js
const withMDX = require('@next/mdx')()
module.exports = withMDX()
```
Optionally you can provide [MDX options](https://github.com/mdx-js/mdx#options):
```js
// next.config.js
const withMDX = require('@next/mdx')({
options: {
mdPlugins: [],
hastPlugins: [],
},
})
module.exports = withMDX()
```
Optionally you can add your custom Next.js configuration as parameter
```js
// next.config.js
const withMDX = require('@next/mdx')()
module.exports = withMDX({
webpack(config, options) {
return config
},
})
```
Optionally you can match other file extensions for MDX compilation, by default only `.mdx` is supported
```js
// next.config.js
const withMDX = require('@next/mdx')({
extension: /\.(md|mdx)$/,
})
module.exports = withMDX()
```
## Top level .mdx pages
Define the `pageExtensions` option to have Next.js handle `.mdx` files in the `pages` directory as pages:
```js
// next.config.js
const withMDX = require('@next/mdx')({
extension: /\.mdx?$/,
})
module.exports = withMDX({
pageExtensions: ['js', 'jsx', 'mdx'],
})
```
## Typescript
Follow [this guide](https://mdxjs.com/advanced/typescript) from the MDX docs.