Update nextra monorepo to v4 (major)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
nextra	^3.0.0 -> ^4.0.0
nextra-theme-docs	^3.0.0 -> ^4.0.0

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Release Notes

shuding/nextra (nextra)

v4.2.4

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Patch Changes

• b46d831: fix Could not parse expression with acorn for inline math code in development mode without turbopack enabled
• 7949e28: move setting pageMap items' title property from normalizePages to sortFolder

v4.2.3

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Patch Changes

• ca67a19: remove requirement page.{jsx,tsx} pages to have exported metadata object

v4.2.2

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Patch Changes

• dd32eca: fix route group within app/ dir crash the convertToPageMap

v4.2.1

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Patch Changes

• 5c51b49: fix allow configuring theme.toc in _meta file when toc.float is set to false for pages with type: 'page'
• 996b0b5: fix: show Scroll to top link toc.backToTop when toc.float: false is set
  • [email protected]

v4.2.0

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Minor Changes

• 90b8c66: allow configuring theme.toc with layout: 'default' in _meta files

Patch Changes

• 0b0db89: better animations for open/closed state for the <NavbarMenu> component which is rendered with type: 'menu' in _meta file
• 427b080: calculate --nextra-banner-height after mounting banner, so banner text can be wrapped on multiple lines
• 6b8053f: fix a sudden height jump on opening for <detail> element when his last children contain margins
• 5d1e75b: add the missing transition-opacity style for the <BackToTop> component
• b0e686e: hide default <summary> arrow on mobile
• 2b0b434: add the missing cursor-pointer style in the <BackToTop> component
• bcc34cc: reduce main area padding x to from 24px to 16px like in next.js docs
• Updated dependencies [427b080]
• Updated dependencies [6b8053f]
• Updated dependencies [b0e686e]
  • [email protected]

v4.1.1

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Patch Changes

• b9f8bfb: do not render default footer content if the Footer#children prop was not provided
• 8d878dd: fix: show heading anchor when hover on heading itself
• 20f7aaa: fix Uncaught Error: Minified React error #​418; visit https://react.dev/errors/418 error due mismatch of last updated time date
• 57e98cd: add Layout#sidebar.defaultOpen prop to configure sidebar default open state
• d586bd6: fix ThemeSwitch#lite prop
• 29a44de: fix regression from Nextra 3 setting theme.collapsed?: boolean in _meta file for folders has no effect in sidebar
• 5e86a14: add missing transition state for <Navbar> links and <TOC> extra content links
• 2ba45de: allow change _meta file theme.toc property with type: 'page'
• Updated dependencies [29a44de]
• Updated dependencies [19578c3]
  • [email protected]

v4.1.0

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Minor Changes

• 7caf059: - generate unique anchor id for <summary> elements based on its content at build time
  • add anchor link icon for <summary>

Patch Changes

• fa7f1ee: fix cropped sidebar footer on desktop, when Nextra's <Banner> is used
• Updated dependencies [7caf059]
  • [email protected]

v4.0.9

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Patch Changes

• Updated dependencies [e78f796]
• Updated dependencies [ff007b2]
  • [email protected]

v4.0.8

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Patch Changes

• Updated dependencies [267ef81]
  • [email protected]

v4.0.7

Patch Changes

• 32e7d55: fix ::selection styles, use hsla instead of hsl because it can overlap text with ::selection background when background-clip: text is set
• 695e428: add new nextra config option unstable_shouldAddLocaleToLinks to append locale to all links, for i18n websites which uses static exports and can't use Nextra middleware
• fc78033: fix crash of Nextra when props are used within headings, e.g. ## Hello {props.something}
• b2f2458: do not log a bunch of Failed to get the last modified timestamp from Git for the file messages if init git repository failed

v4.0.5

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Patch Changes

• Updated dependencies [14bf091]
  • [email protected]

v4.0.4

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Patch Changes

• 5132295: fix broken showLineNumbers setting on code blocks
• 5132295: fix unable order _meta key with index name
• Updated dependencies [5132295]
• Updated dependencies [5132295]
  • [email protected]

v4.0.3

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Patch Changes

• a0c432f: fix TypeError: Cannot read properties of null (reading 'querySelector')
  • [email protected]

v4.0.2

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Patch Changes

• 865e2ab: hide On This Page TOC's title themeConfig.toc.title when there is no toc links
  • [email protected]

v4.0.1

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Patch Changes

• 481e0d0: fix syntax highlighting for mdx lang and improve docs for /docs/docs-theme/start
• 426cd66: Remove margin-top from .nextra-steps :before pseudo selector
• Updated dependencies [481e0d0]
• Updated dependencies [426cd66]
  • [email protected]

v4.0.0

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Nextra 4.0 is just released!

🔹App Router
🔹Turbopack
🔹Compiled by React-Compiler
🔹New Rust-powered search engine Pagefind
🔹RSC i18n
🔹Server/Client components
🔹Smallest bundle size EVER for a Nextra-powered website
🔹GitHub Alert Syntax
🔹New _meta.global file
🔹… and more

Blog post announcement and migration guide.

Please refer to CHANGELOG.md for details.

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[admdly]

This will require some effort to migrate to Nextra v4 - there is a migration guide. I'll assign this to me for now and work on this where possible (there's no real rush), unless anyone else would like to do the migration.