graphql-engine/docs/wiki/docusaurus-mdx-guide/links.mdx
Rob Dominguez 96646005f7 docs: feature index restructure
PR-URL: https://github.com/hasura/graphql-engine-mono/pull/7715
Co-authored-by: Sean Park-Ross <94021366+seanparkross@users.noreply.github.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
GitOrigin-RevId: 61a91af22333ef08db1ec623941ac9dd5dc50179
2023-03-15 16:36:27 +00:00

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---
sidebar_position: 4
---
import Tabs from '@theme/Tabs';
import TabItem from '@theme/TabItem';
# Links
## External Links
`[Hasura Cloud](https://cloud.hasura.io/signup/)`
## Internal links
Since MDX doesn't yet support this direct referencing, we have to rely on relative/root relative path resolution for
[referencing other documents](https://docusaurus.io/docs/docs-markdown-features#referencing-other-documents).
```markdown
[Get started With Hasura Cloud](../relative/path/to/getting-started-document.mdx)
[Remote Schemas](../relative/path/to/remote-schemas-document.mdx)
```
### Root Relative Links
While relative paths works absolutely fine, this can easily lead to an absolute mess when files are moved around. Thus
requiring manual effort to fix the paths.
To avoid this scenario, we can use root relative paths. The path will still break when moved around, but it is lot
easier to find and replace. Find with old path and replace with new path.
```
Find `/folder1/subfolder2/doc3.mdx` and replace with `/folder1/newsubfolder4/doc5.mdx`
```
The root relative link should start after the `latest` directory level.
```
[MDX Root Relative Actions Link](/actions/overview.mdx)
```
:::tip Don't forget the extension!
Make sure to include file extension as MDX links are parsed as a file path and will be resolved correctly.
:::
:::danger be cautious with URL slug
If we add an `id` Metadata for the document, the url slug for this page will be overridden to `id` as opposed to default
filename. Thus requiring us to set a slug if we intend to leave it default.
So, we can skip the top level id in Metadata as it is by default the filename without extension.
Read more about it from [Docusaurus Document Id Section](https://docusaurus.io/docs/docs-introduction#document-id)
:::
To avoid repetetion of adding dull path for each link, we could take advantage of
[reference-style-links](https://daringfireball.net/projects/markdown/syntax#link) syntax in markdown.
:::tip Managing repeated Links in same doc
If a same doc is linked in multiple sections, prever keeping it in a variable and reuse for better maintainability.
Add these variables at the end of file for easier reference, and Add a HTML comment `<!-- Shared Link Variables -->` to
represent its a variable section.
Please refer [this](https://daringfireball.net/projects/markdown/syntax#link) for better understaning of
reference-style-links in markdown.
For Example:
```markdown
## Section one
.....
REST ... [create_action][metadata-create-action] or [update_action][metadata-update-action] Metadata APIs ...
[request_transform][requesttransformation] field ...:
....
## Section two
.....
REST ... [create_action][metadata-create-action] or [update_action][metadata-update-action] Metadata APIs ...
[request_transform][requesttransformation] field ...:
....
<!-- Shared Link Variables -->
[metadata-create-action]: /api-reference/metadata-api/actions.mdx#metadata-create-action
[metadata-update-action]: /api-reference/metadata-api/actions.mdx#metadata-update-action
[requesttransformation]: /api-reference/syntax-defs.mdx#requesttransformation
```
:::
## Links in React
Use Docusaurus [Links](https://docusaurus.io/docs/docusaurus-core#link) for linking in React. Works for both internal
and external links.
```jsx
import Link from '@docusaurus/Link';
// Internal Link
<Link to="/rst-vs-mdx-guide/links#root-relative-links">Root Relative Links</Link>
// External Link
<Link to="https://hasura.io">Hasura</Link>
```
<hr />
:::info
React Link's `to` attribute will always accept a URL path and not file path.
Docusaurus catches [broken markdown links](https://docusaurus.io/docs/api/docusaurus-config#onbrokenmarkdownlinks) if
enabled
:::