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docs: add Docusaurus v3.0 upgrade guide #9417

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Original file line number Diff line number Diff line change
Expand Up @@ -410,7 +410,7 @@ Upgrade your Docusaurus v2 site to Node.js 18 before upgrading to Docusaurus v3.

:::

### React 18
### React 18.0

Docusaurus v3 now requires **React >= 18.0**.

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2 changes: 1 addition & 1 deletion website/docs/advanced/plugins.mdx
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@@ -1,6 +1,6 @@
# Plugins

Plugins are the building blocks of features in a Docusaurus 2 site. Each plugin handles its own individual feature. Plugins may work and be distributed as part of a bundle via presets.
Plugins are the building blocks of features in a Docusaurus site. Each plugin handles its own individual feature. Plugins may work and be distributed as part of a bundle via presets.

## Creating plugins {#creating-plugins}

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4 changes: 2 additions & 2 deletions website/docs/api/plugins/plugin-content-blog.mdx
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Expand Up @@ -249,7 +249,7 @@ Example:

```md
---
title: Welcome Docusaurus v2
title: Welcome Docusaurus
authors:
- slorber
- yangshun
Expand All @@ -258,7 +258,7 @@ authors:
url: https://github.com/JoelMarcey
image_url: https://github.com/JoelMarcey.png
tags: [hello, docusaurus-v2]
description: This is my first post on Docusaurus 2.
description: This is my first post on Docusaurus.
image: https://i.imgur.com/mErPwqL.png
hide_table_of_contents: false
---
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10 changes: 5 additions & 5 deletions website/docs/blog.mdx
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Expand Up @@ -40,12 +40,12 @@ export default {

To publish in the blog, create a Markdown file within the blog directory.

For example, create a file at `website/blog/2019-09-05-hello-docusaurus-v2.md`:
For example, create a file at `website/blog/2019-09-05-hello-docusaurus.md`:

```md title="website/blog/2019-09-05-hello-docusaurus-v2.md"
```md title="website/blog/2019-09-05-hello-docusaurus.md"
---
title: Welcome Docusaurus v2
description: This is my first post on Docusaurus 2.
title: Welcome Docusaurus
description: This is my first post on Docusaurus.
slug: welcome-docusaurus-v2
authors:
- name: Joel Marcey
Expand Down Expand Up @@ -597,7 +597,7 @@ https://example.com/blog/feed.json

### Blog-only mode {#blog-only-mode}

You can run your Docusaurus 2 site without a dedicated landing page and instead have your blog's post list page as the index page. Set the `routeBasePath` to be `'/'` to serve the blog through the root route `example.com/` instead of the subroute `example.com/blog/`.
You can run your Docusaurus site without a dedicated landing page and instead have your blog's post list page as the index page. Set the `routeBasePath` to be `'/'` to serve the blog through the root route `example.com/` instead of the subroute `example.com/blog/`.

```js title="docusaurus.config.js"
export default {
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2 changes: 1 addition & 1 deletion website/docs/deployment.mdx
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Expand Up @@ -154,7 +154,7 @@ Because we can only provide this content on a best-effort basis only, we have st

## Deploying to Netlify {#deploying-to-netlify}

To deploy your Docusaurus 2 sites to [Netlify](https://www.netlify.com/), first make sure the following options are properly configured:
To deploy your Docusaurus sites to [Netlify](https://www.netlify.com/), first make sure the following options are properly configured:

```js title="docusaurus.config.js"
export default {
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2 changes: 1 addition & 1 deletion website/docs/guides/docs/docs-introduction.mdx
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Expand Up @@ -115,6 +115,6 @@ example.com/tutorial-basics/... -> generated from `docs/tutorial-basics/...`

:::tip

There's also a "blog-only mode" for those who only want to use the blog feature of Docusaurus 2. You can use the same method detailed above. Follow the setup instructions on [Blog-only mode](../../blog.mdx#blog-only-mode).
There's also a "blog-only mode" for those who only want to use the blog feature of Docusaurus. You can use the same method detailed above. Follow the setup instructions on [Blog-only mode](../../blog.mdx#blog-only-mode).

:::
2 changes: 1 addition & 1 deletion website/docs/i18n/i18n-crowdin.mdx
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Expand Up @@ -501,7 +501,7 @@ It is currently **not possible to link to a specific file** in Crowdin.

### Example configuration {#example-configuration}

The **Docusaurus v2 configuration file** is a good example of using versioning and multi-instance:
The **Docusaurus configuration file** is a good example of using versioning and multi-instance:

```mdx-code-block
import CrowdinConfigV2 from '!!raw-loader!@site/../crowdin-v2.yaml';
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2 changes: 1 addition & 1 deletion website/docs/i18n/i18n-tutorial.mdx
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Expand Up @@ -470,7 +470,7 @@ You can now [deploy](../deployment.mdx) the `build` folder to the static hosting

:::note

The Docusaurus v2 website uses this strategy:
The Docusaurus website uses this strategy:

- [`https://docusaurus.io`](https://docusaurus.io)
- [`https://docusaurus.io/fr`](https://docusaurus.io/fr)
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14 changes: 7 additions & 7 deletions website/docs/introduction.mdx
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Expand Up @@ -68,11 +68,11 @@ import LiteYouTubeEmbed from 'react-lite-youtube-embed';

## Migrating from v1 {#migrating-from-v1}

Docusaurus v2 has been a total rewrite from Docusaurus v1, taking advantage of a completely modernized toolchain. After [v2's official release](https://docusaurus.io/blog/2022/08/01/announcing-docusaurus-2.0), we highly encourage you to **use Docusaurus v2 over Docusaurus v1**, as Docusaurus v1 has been deprecated.
Docusaurus v2+ has been a total rewrite from Docusaurus v1, taking advantage of a completely modernized toolchain. After [v2's official release](https://docusaurus.io/blog/2022/08/01/announcing-docusaurus-2.0), we highly encourage you to **use Docusaurus v2+ over Docusaurus v1**, as Docusaurus v1 has been deprecated.

A [lot of users](/showcase) are already using Docusaurus v2 ([trends](https://www.npmtrends.com/docusaurus-vs-@docusaurus/core)).
A [lot of users](/showcase) are already using Docusaurus v2+ ([trends](https://www.npmtrends.com/docusaurus-vs-@docusaurus/core)).

**Use Docusaurus v2 if:**
**Use Docusaurus v2+ if:**

- :white_check_mark: You want a modern Jamstack documentation site
- :white_check_mark: You want a single-page application (SPA) with client-side routing
Expand All @@ -84,7 +84,7 @@ A [lot of users](/showcase) are already using Docusaurus v2 ([trends](https://ww
- :x: You don't want a single-page application (SPA)
- :x: You need support for IE11 (...do you? IE [has already reached end-of-life](https://docs.microsoft.com/en-us/lifecycle/products/internet-explorer-11) and is no longer officially supported)

For existing v1 users that are seeking to upgrade to v2, you can follow our [migration guide](./migration/migration-overview.mdx).
For existing v1 users that are seeking to upgrade to v2+, you can follow our [migration guides](./migration/index.mdx).

## Features {#features}

Expand Down Expand Up @@ -115,9 +115,9 @@ Our shared goal—to help your users quickly find what they need and understand
- 💾 **Document Versioning**: Helps you keep documentation in sync with project releases.
- 🌍 **Internationalization (i18n)**: Translate your site in multiple locales.

Docusaurus 2 is born to be compassionately accessible to all your users, and lightning-fast.
Docusaurus v2+ is born to be compassionately accessible to all your users, and lightning-fast.

- ⚡️ **Lightning-fast**. Docusaurus 2 follows the [PRPL Pattern](https://developers.google.com/web/fundamentals/performance/prpl-pattern/) that makes sure your content loads blazing fast.
- ⚡️ **Lightning-fast**. Docusaurus v2+ follows the [PRPL Pattern](https://developers.google.com/web/fundamentals/performance/prpl-pattern/) that makes sure your content loads blazing fast.
- 🦖 **Accessible**. Attention to accessibility, making your site equally accessible to all users.

## Design principles {#design-principles}
Expand All @@ -142,7 +142,7 @@ We've also studied other main static site generators and would like to share our

GraphQL is also pretty core to Gatsby, although you don't necessarily need GraphQL to build a Gatsby site. In most cases when building static websites, you won't need the flexibility that GraphQL provides.

Many aspects of Docusaurus 2 were inspired by the best things about Gatsby and it's a great alternative.
Many aspects of Docusaurus v2+ were inspired by the best things about Gatsby and it's a great alternative.

[Docz](https://github.com/pedronauck/docz) is a Gatsby theme to build documentation websites. It is currently less featured than Docusaurus.

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13 changes: 13 additions & 0 deletions website/docs/migration/index.mdx
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@@ -0,0 +1,13 @@
---
slug: /migration
---

# Upgrading Docusaurus

Docusaurus versioning is based on the `major.minor.patch` scheme and respects [**Semantic Versioning**](https://semver.org/).

**Breaking changes** are only released on major version upgrades, and thoroughly documented in the following upgrade guides.

import DocCardList from '@theme/DocCardList';

<DocCardList />
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@@ -1,5 +1,5 @@
---
slug: /migration/automated
slug: /migration/v2/automated
---

# Automated migration
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@@ -1,5 +1,5 @@
---
slug: /migration/manual
slug: /migration/v2/manual
toc_max_heading_level: 4
---

Expand Down Expand Up @@ -455,7 +455,7 @@ If you had `cleanUrl: false` in v1, it's possible that people published links to

For SEO reasons, and avoiding breaking links, you should configure server-side redirect rules on your hosting provider.

As an escape hatch, you could use [@docusaurus/plugin-client-redirects](../api/plugins/plugin-client-redirects.mdx) to create client-side redirects from `/installation.html` to `/installation`.
As an escape hatch, you could use [@docusaurus/plugin-client-redirects](../../api/plugins/plugin-client-redirects.mdx) to create client-side redirects from `/installation.html` to `/installation`.

```js
module.exports = {
Expand All @@ -476,7 +476,7 @@ If you want to keep the `.html` extension as the canonical URL of a page, docs c

### Sidebar {#sidebar}

In previous version, nested sidebar category is not allowed and sidebar category can only contain doc ID. However, v2 allows infinite nested sidebar and we have many types of [Sidebar Item](../guides/docs/sidebar/items.mdx) other than document.
In previous version, nested sidebar category is not allowed and sidebar category can only contain doc ID. However, v2 allows infinite nested sidebar and we have many types of [Sidebar Item](../../guides/docs/sidebar/items.mdx) other than document.

You'll have to migrate your sidebar if it contains category type. Rename `subcategory` to `category` and `ids` to `items`.

Expand All @@ -492,7 +492,7 @@ You'll have to migrate your sidebar if it contains category type. Rename `subcat

### Footer {#footer}

`website/core/Footer.js` is no longer needed. If you want to modify the default footer provided by Docusaurus, [swizzle](../swizzling.mdx) it:
`website/core/Footer.js` is no longer needed. If you want to modify the default footer provided by Docusaurus, [swizzle](../../swizzling.mdx) it:

```bash npm2yarn
npm run swizzle @docusaurus/theme-classic Footer
Expand Down Expand Up @@ -573,7 +573,7 @@ The following code could be helpful for migration of various pages:

### Replace AUTOGENERATED_TABLE_OF_CONTENTS {#replace-autogenerated_table_of_contents}

This feature is replaced by [inline table of content](../guides/markdown-features/markdown-features-toc.mdx#inline-table-of-contents)
This feature is replaced by [inline table of content](../../guides/markdown-features/markdown-features-toc.mdx#inline-table-of-contents)

### Update Markdown syntax to be MDX-compatible {#update-markdown-syntax-to-be-mdx-compatible}

Expand All @@ -585,7 +585,7 @@ Front matter is parsed by [gray-matter](https://github.com/jonschlinkert/gray-ma

### Language-specific code tabs {#language-specific-code-tabs}

Refer to the [multi-language support code blocks](../guides/markdown-features/markdown-features-code-blocks.mdx#multi-language-support-code-blocks) section.
Refer to the [multi-language support code blocks](../../guides/markdown-features/markdown-features-code-blocks.mdx#multi-language-support-code-blocks) section.

### Front matter {#front-matter}

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@@ -1,8 +1,8 @@
---
slug: /migration
slug: /migration/v2
---

# Migration overview
# Overview

This doc guides you through migrating an existing Docusaurus 1 site to Docusaurus 2.

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@@ -1,5 +1,5 @@
---
slug: /migration/translated-sites
slug: /migration/v2/translated-sites
---

# Translated sites
Expand Down Expand Up @@ -79,8 +79,8 @@ This documentation is a best-effort to help you migrate, please help us improve
Before all, we recommend to:

- Migrate your v1 Docusaurus site to v2 without the translations
- Get familiar with the [new i18n system of Docusaurus v2](../i18n/i18n-introduction.mdx) an
- Make Crowdin work for your v2 site, using a new and untranslated Crowdin project and the [Crowdin tutorial](../i18n/i18n-crowdin.mdx)
- Get familiar with the [new i18n system of Docusaurus v2](../../i18n/i18n-introduction.mdx) an
- Make Crowdin work for your v2 site, using a new and untranslated Crowdin project and the [Crowdin tutorial](../../i18n/i18n-crowdin.mdx)

:::danger

Expand Down Expand Up @@ -124,7 +124,7 @@ You might want to repeat this pre-translation process, eventually trying the "Pe

:::tip

Use [`mdx-code-block`](../i18n/i18n-crowdin.mdx#mdx-solutions) around problematic Markdown elements: Crowdin is less likely mess things up with code blocks.
Use [`mdx-code-block`](../../i18n/i18n-crowdin.mdx#mdx-solutions) around problematic Markdown elements: Crowdin is less likely mess things up with code blocks.

:::

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@@ -1,5 +1,5 @@
---
slug: /migration/versioned-sites
slug: /migration/v2/versioned-sites
---

# Versioned sites
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