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astro/packages/integrations/mdx/README.md

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MDX support (#3706) * feat: first pass at MDX support * fix: move built-in JSX renderer to come first * chore: remove jsx example * chore: update lockfile * chore: cleanup example * fix: missing deps * refactor: move component render logic to `renderPage` * chore: update HMR script * chore: update MDX example * refactor: prefer unshit * refactor: remove TODO comment * fix: remove duplicate identifier * refactor: cleanup mdx entrypoint * fix: better html handling * fix: add tsconfig to mdx package * chore: update lockfile * fix: do not sort plugins unless mdx is enabled * chore: update compiler * fix(hmr): maybe render head for non-Astro pages * fix: set initial pageExtensions * refactor: cleanup addPageExtension * refactor: remove addPageExtensions from types * refactor: expose HookParameters type * fix: only default to astro for MDX * test: pick up jsx support in test fixtures * refactor: simplify mdx entrypoint * test: add basic MDX tests * test(e2e): add mdx + framework tests * chore: update lockfile * test(e2e): fix preact mdx e2e test * fix(mdx): disable .md support * test(e2e): fix vue-component test missing mdx * test(e2e): fix solid component needing import * fix: allow `client:only="solid"` as an alias to `solid-js` * chore: move to with-mdx example * chore: update MDX readme * chore: update example readme * chore: bump astro version * chore: update lockfile * Update mod.d.ts * feat: support `export const components` in MDX pages * chore: update mdx example * fix: update jsx-runtime with better slot support * refactor: remove object style support * chore: cleanup package exports * chore: add todo comment * refactor: improve isPage function, move to utils * refactor: dry up manual HMR updates * chore: add dev tests for MDX * chore: prefer set to array * chore: add changesets * fix(hmr): flip public/private route Co-authored-by: Nate Moore <nate@astro.build>
2022-06-30 13:09:09 -05:00
# @astrojs/mdx 📝
This **[Astro integration][astro-integration]** enables the usage of [MDX](https://mdxjs.com/) components and allows you to create pages as `.mdx` files.
- <strong>[Why MDX?](#why-mdx)</strong>
- <strong>[Installation](#installation)</strong>
- <strong>[Usage](#usage)</strong>
- <strong>[Configuration](#configuration)</strong>
- <strong>[Examples](#examples)</strong>
- <strong>[Troubleshooting](#troubleshooting)</strong>
- <strong>[Contributing](#contributing)</strong>
- <strong>[Changelog](#changelog)</strong>
## Why MDX?
MDX is the defacto solution for embedding components, such as interactive charts or alerts, within Markdown content. If you have existing content authored in MDX, this integration makes migrating to Astro a breeze.
**Want to learn more about MDX before using this integration?**
Check out [“What is MDX?”](https://mdxjs.com/docs/what-is-mdx/), a deep-dive on the MDX format.
## Installation
<details>
<summary>Quick Install</summary>
The `astro add` command-line tool automates the installation for you. Run one of the following commands in a new terminal window. (If you aren't sure which package manager you're using, run the first command.) Then, follow the prompts, and type "y" in the terminal (meaning "yes") for each one.
```sh
# Using NPM
npx astro add mdx
# Using Yarn
yarn astro add mdx
# Using PNPM
pnpx astro add mdx
```
Then, restart the dev server by typing `CTRL-C` and then `npm run astro dev` in the terminal window that was running Astro.
Because this command is new, it might not properly set things up. If that happens, [feel free to log an issue on our GitHub](https://github.com/withastro/astro/issues) and try the manual installation steps below.
</details>
<details>
<summary>Manual Install</summary>
First, install the `@astrojs/mdx` package using your package manager. If you're using npm or aren't sure, run this in the terminal:
```sh
MDX support (#3706) * feat: first pass at MDX support * fix: move built-in JSX renderer to come first * chore: remove jsx example * chore: update lockfile * chore: cleanup example * fix: missing deps * refactor: move component render logic to `renderPage` * chore: update HMR script * chore: update MDX example * refactor: prefer unshit * refactor: remove TODO comment * fix: remove duplicate identifier * refactor: cleanup mdx entrypoint * fix: better html handling * fix: add tsconfig to mdx package * chore: update lockfile * fix: do not sort plugins unless mdx is enabled * chore: update compiler * fix(hmr): maybe render head for non-Astro pages * fix: set initial pageExtensions * refactor: cleanup addPageExtension * refactor: remove addPageExtensions from types * refactor: expose HookParameters type * fix: only default to astro for MDX * test: pick up jsx support in test fixtures * refactor: simplify mdx entrypoint * test: add basic MDX tests * test(e2e): add mdx + framework tests * chore: update lockfile * test(e2e): fix preact mdx e2e test * fix(mdx): disable .md support * test(e2e): fix vue-component test missing mdx * test(e2e): fix solid component needing import * fix: allow `client:only="solid"` as an alias to `solid-js` * chore: move to with-mdx example * chore: update MDX readme * chore: update example readme * chore: bump astro version * chore: update lockfile * Update mod.d.ts * feat: support `export const components` in MDX pages * chore: update mdx example * fix: update jsx-runtime with better slot support * refactor: remove object style support * chore: cleanup package exports * chore: add todo comment * refactor: improve isPage function, move to utils * refactor: dry up manual HMR updates * chore: add dev tests for MDX * chore: prefer set to array * chore: add changesets * fix(hmr): flip public/private route Co-authored-by: Nate Moore <nate@astro.build>
2022-06-30 13:09:09 -05:00
npm install @astrojs/mdx
```
Then, apply this integration to your `astro.config.*` file using the `integrations` property:
__`astro.config.mjs`__
MDX support (#3706) * feat: first pass at MDX support * fix: move built-in JSX renderer to come first * chore: remove jsx example * chore: update lockfile * chore: cleanup example * fix: missing deps * refactor: move component render logic to `renderPage` * chore: update HMR script * chore: update MDX example * refactor: prefer unshit * refactor: remove TODO comment * fix: remove duplicate identifier * refactor: cleanup mdx entrypoint * fix: better html handling * fix: add tsconfig to mdx package * chore: update lockfile * fix: do not sort plugins unless mdx is enabled * chore: update compiler * fix(hmr): maybe render head for non-Astro pages * fix: set initial pageExtensions * refactor: cleanup addPageExtension * refactor: remove addPageExtensions from types * refactor: expose HookParameters type * fix: only default to astro for MDX * test: pick up jsx support in test fixtures * refactor: simplify mdx entrypoint * test: add basic MDX tests * test(e2e): add mdx + framework tests * chore: update lockfile * test(e2e): fix preact mdx e2e test * fix(mdx): disable .md support * test(e2e): fix vue-component test missing mdx * test(e2e): fix solid component needing import * fix: allow `client:only="solid"` as an alias to `solid-js` * chore: move to with-mdx example * chore: update MDX readme * chore: update example readme * chore: bump astro version * chore: update lockfile * Update mod.d.ts * feat: support `export const components` in MDX pages * chore: update mdx example * fix: update jsx-runtime with better slot support * refactor: remove object style support * chore: cleanup package exports * chore: add todo comment * refactor: improve isPage function, move to utils * refactor: dry up manual HMR updates * chore: add dev tests for MDX * chore: prefer set to array * chore: add changesets * fix(hmr): flip public/private route Co-authored-by: Nate Moore <nate@astro.build>
2022-06-30 13:09:09 -05:00
```js
import { defineConfig } from 'astro/config';
import mdx from '@astrojs/mdx';
export default defineConfig({
// ...
integrations: [mdx()],
});
```
Finally, restart the dev server.
</details>
## Usage
To write your first MDX page in Astro, head to our [UI framework documentation][astro-ui-frameworks]. You'll explore:
- 📦 how framework components are loaded,
- 💧 client-side hydration options, and
- 🪆 opportunities to mix and nest frameworks together
[**Client Directives**](https://docs.astro.build/en/reference/directives-reference/#client-directives) are still required in `.mdx` files.
> **Note**: `.mdx` files adhere to strict JSX syntax rather than Astro's HTML-like syntax.
Also check our [Astro Integration Documentation][astro-integration] for more on integrations.
## Configuration
<details>
<summary><strong>remarkPlugins</strong></summary>
**Default plugins:** [remark-gfm](https://github.com/remarkjs/remark-gfm), [remark-smartypants](https://github.com/silvenon/remark-smartypants)
[Remark plugins](https://github.com/remarkjs/remark/blob/main/doc/plugins.md) allow you to extend your Markdown with new capabilities. This includes [auto-generating a table of contents](https://github.com/remarkjs/remark-toc), [applying accessible emoji labels](https://github.com/florianeckerstorfer/remark-a11y-emoji), and more. We encourage you to browse [awesome-remark](https://github.com/remarkjs/awesome-remark) for a full curated list!
We apply [GitHub-flavored Markdown](https://github.com/remarkjs/remark-gfm) and [Smartypants](https://github.com/silvenon/remark-smartypants) by default. This brings some niceties like auto-generating clickable links from text (ex. `https://example.com`) and formatting quotes for readability. When applying your own plugins, you can choose to preserve or remove these defaults.
To apply plugins _while preserving_ Astro's default plugins, use a nested `extends` object like so:
```js
// astro.config.mjs
import remarkToc from 'remark-toc';
export default {
integrations: [mdx({
// apply remark-toc alongside GitHub-flavored markdown and Smartypants
remarkPlugins: { extends: [remarkToc] },
})],
}
```
To apply plugins _without_ Astro's defaults, you can apply a plain array:
```js
// astro.config.mjs
import remarkToc from 'remark-toc';
export default {
integrations: [mdx({
// apply remark-toc alone, removing other defaults
remarkPlugins: [remarkToc],
})],
}
```
</details>
<details>
<summary><strong>rehypePlugins</strong></summary>
**Default plugins:** none
[Rehype plugins](https://github.com/rehypejs/rehype/blob/main/doc/plugins.md) allow you to transform the HTML that your Markdown generates. We recommend checking the [Remark plugin](https://github.com/remarkjs/remark/blob/main/doc/plugins.md) catalog first _before_ considering rehype plugins, since most users want to transform their Markdown syntax instead. If HTML transforms are what you need, we encourage you to browse [awesome-rehype](https://github.com/rehypejs/awesome-rehype) for a full curated list of plugins!
To apply rehype plugins, use the `rehypePlugins` configuration option like so:
```js
// astro.config.mjs
import rehypeMinifyHtml from 'rehype-minify';
export default {
integrations: [mdx({
rehypePlugins: [rehypeMinifyHtml],
})],
}
```
</details>
MDX support (#3706) * feat: first pass at MDX support * fix: move built-in JSX renderer to come first * chore: remove jsx example * chore: update lockfile * chore: cleanup example * fix: missing deps * refactor: move component render logic to `renderPage` * chore: update HMR script * chore: update MDX example * refactor: prefer unshit * refactor: remove TODO comment * fix: remove duplicate identifier * refactor: cleanup mdx entrypoint * fix: better html handling * fix: add tsconfig to mdx package * chore: update lockfile * fix: do not sort plugins unless mdx is enabled * chore: update compiler * fix(hmr): maybe render head for non-Astro pages * fix: set initial pageExtensions * refactor: cleanup addPageExtension * refactor: remove addPageExtensions from types * refactor: expose HookParameters type * fix: only default to astro for MDX * test: pick up jsx support in test fixtures * refactor: simplify mdx entrypoint * test: add basic MDX tests * test(e2e): add mdx + framework tests * chore: update lockfile * test(e2e): fix preact mdx e2e test * fix(mdx): disable .md support * test(e2e): fix vue-component test missing mdx * test(e2e): fix solid component needing import * fix: allow `client:only="solid"` as an alias to `solid-js` * chore: move to with-mdx example * chore: update MDX readme * chore: update example readme * chore: bump astro version * chore: update lockfile * Update mod.d.ts * feat: support `export const components` in MDX pages * chore: update mdx example * fix: update jsx-runtime with better slot support * refactor: remove object style support * chore: cleanup package exports * chore: add todo comment * refactor: improve isPage function, move to utils * refactor: dry up manual HMR updates * chore: add dev tests for MDX * chore: prefer set to array * chore: add changesets * fix(hmr): flip public/private route Co-authored-by: Nate Moore <nate@astro.build>
2022-06-30 13:09:09 -05:00
## Examples
- The [Astro MDX example](https://github.com/withastro/astro/tree/latest/examples/with-mdx) shows how to use MDX files in your Astro project.
## Troubleshooting
For help, check out the `#support-threads` channel on [Discord](https://astro.build/chat). Our friendly Support Squad members are here to help!
You can also check our [Astro Integration Documentation][astro-integration] for more on integrations.
## Contributing
This package is maintained by Astro's Core team. You're welcome to submit an issue or PR!
## Changelog
See [CHANGELOG.md](CHANGELOG.md) for a history of changes to this integration.
[astro-integration]: https://docs.astro.build/en/guides/integrations-guide/
[astro-ui-frameworks]: https://docs.astro.build/en/core-concepts/framework-components/#using-framework-components