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astro/.changeset/metal-cameras-bow.md
Ben Holmes 7c439868a3
[Markdoc] New config format with runtime variable support! (#6653)
* deps: esbuild

* feat: support direct component imports for render!

* deps: add devalue back

* refactor: remove unused components prop

* refactor: load experimental assets config separately

* fix: upate Content type def to support props

* refactor: replace astro stub with inline data

* feat: pass through viteId to getRenderMod

* fix: add back $entry var with defaults convention

* chore: remove unneeded validateRenderProps

* chore: remove uneeded validateComponents

* fix: remove userMarkdocConfig prop

* chore: add helpful error for legacy config

* deps: kleur

* fix: add back `isCapitalized`

* fix: log instead of throw to avoid scary stacktrace

* chore: delete more old logic (nice)

* chore: delete MORE unused utils

* chore: comment on separate assets config

* chore: remove console.log

* chore: general code cleanup

* test: new render config

* docs: new README

* fix: add expect-error on astro:assets

* feat: add defineMarkdocConfig helper

* docs: update example README

* test: add runtime variable

* chore: lint

* chore: changeset

* chore: add component import deletion

* docs: add notes on Vite fork

* fix: astro check

* chore: add `.mts` to markdoc config formats
2023-03-27 18:04:37 -04:00

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Markdown

---
'@astrojs/markdoc': minor
'astro': patch
---
Simplify Markdoc configuration with a new `markdoc.config.mjs` file. This lets you import Astro components directly to render as Markdoc tags and nodes, without the need for the previous `components` property. This new configuration also unlocks passing variables to your Markdoc from the `Content` component ([see the new docs](https://docs.astro.build/en/guides/integrations-guide/markdoc/#pass-markdoc-variables)).
## Migration
Move any existing Markdoc config from your `astro.config` to a new `markdoc.config.mjs` file at the root of your project. This should be applied as a default export, with the optional `defineMarkdocConfig()` helper for autocomplete in your editor.
This example configures an `aside` Markdoc tag. Note that components should be imported and applied to the `render` attribute _directly,_ instead of passing the name as a string:
```js
// markdoc.config.mjs
import { defineMarkdocConfig } from '@astrojs/markdoc/config';
import Aside from './src/components/Aside.astro';
export default defineMarkdocConfig({
tags: {
aside: {
render: Aside,
}
}
});
```
You should also remove the `components` prop from your `Content` components. Since components are imported into your config directly, this is no longer needed.
```diff
---
- import Aside from '../components/Aside.astro';
import { getEntryBySlug } from 'astro:content';
const entry = await getEntryBySlug('docs', 'why-markdoc');
const { Content } = await entry.render();
---
<Content
- components={{ Aside }}
/>
```