chore: migrate to fumadocs and nextjs app router#2606
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ArkuVonSymfon wants to merge 142 commits intolangfuse:mainfrom
Open
chore: migrate to fumadocs and nextjs app router#2606ArkuVonSymfon wants to merge 142 commits intolangfuse:mainfrom
ArkuVonSymfon wants to merge 142 commits intolangfuse:mainfrom
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- Switch PostCSS plugin from tailwindcss to @tailwindcss/postcss - Rewrite style.css for Tailwind v4 syntax (import, @theme, @variant dark) - Fix fumadocs-ui CSS import order: neutral.css before preset.css - Fix @apply !important syntax to Tailwind v4 suffix (!), e.g. bg-background! - Move tailwind.config.js plugins from inside theme to top level (was bug) - Remove dead nextra-specific CSS from src/overrides.css - Add turbopack.root to fix Turbopack panic in git worktrees - Add webpack NormalModuleReplacementPlugin for node: URI scheme - Add remarkImageOptions: false to prevent remote image fetch at compile time Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
fix: upgrade Tailwind CSS v3→v4 and resolve fumadocs-ui CSS issues
- Wrap NavbarLogo in flex-1 div to balance both sides of the flex layout, ensuring NavLinks is truly centered between logo and action buttons - Update nav link styles to use explicit gray text colors with hover text-only transitions (no background on hover) matching Nextra link conventions Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
fix: center navbar and remove hover background from nav links
… fetching in customer components Turbopack (used by `next dev`) does not apply webpack resolve.alias, so `nextra/context` could not be resolved and CustomerCarousel/CustomerIndex returned 0 stories, leaving the homepage slider empty. - Refactor CustomerCarousel to accept `stories` prop instead of fetching internally via `getPagesUnderRoute` - Refactor CustomerIndex similarly to accept `stories` prop - CustomerStories (server component) now calls `getPagesForRoute` and passes data down to CustomerCarousel - Add CustomerCarouselWrapper + CustomerIndexWrapper server components for MDX pages (enterprise, customers, press) that relied on the old path prop - Update enterprise.mdx, customers.mdx, press.mdx to use wrapper components Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…arousel The default fumadocs pageSchema strips all unknown fields via Zod strict parsing, so CustomerCarousel received pages with empty frontMatter — no logos, quotes, or authors — causing blank carousel cards. Added customerFrontmatterSchema extending the base schema with all custom fields: customerLogo, customerLogoDark, customerQuote, quoteAuthor, quoteRole, quoteCompany, quoteAuthorImage, showInCustomerIndex, date, ogImage, tag, author. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…ContentWrapper Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…er values ogImage and other optional fields can be written as bare 'ogImage:' in YAML, which parses as null. z.string().optional() only accepts string|undefined, so swap all custom fields to .nullish() (string|null|undefined). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Changelog.tsx: replace module-level nextra getPagesUnderRoute (which returns [] with Turbopack) with getPagesForRoute from @/lib/source called inside the component function - source.config.ts: add changelogFrontmatterSchema extending default schema with date, author, ogImage so Fumadocs no longer strips those fields from changelog frontmatter - OpenSource.tsx: duplicate discussions array ([...d, ...d]) in ScrollingDiscussions so the marquee loop is truly seamless with no visible jump at the end Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…imation - source.config.ts: add yamlDateField helper using z.union([z.string(), z.date().transform(...)]) so unquoted YAML dates (e.g. `date: 2023-07-19`) which are parsed as JS Date objects pass schema validation and are normalised to YYYY-MM-DD strings; applied to both changelog and customer schemas - shimmer-button.tsx: change animate-spin → animate-spin-custom so the spinning conic gradient uses the step-based keyframe defined in style.css (--animate-spin-custom / @Keyframes spin-custom) matching the Tailwind v3 behaviour that was lost when migrating to Tailwind v4 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…ailwind v4 Tailwind v4 generates animation utilities as `animation: var(--animate-*)`, where the custom property value itself contains another var() (e.g. var(--speed), var(--duration)). This nested var() substitution inside an animation shorthand is unreliable in some browser/engine combinations and can silently produce an invalid animation declaration. Changes: - style.css: add explicit @layer utilities overrides for all affected animation classes (animate-slide, animate-spin-custom, animate-marquee, animate-marquee-vertical, animate-border-beam, animate-grid) that use direct shorthand values instead of var(--animate-*). These rules come after the auto-generated ones in cascade order and win cleanly. - OpenSource.tsx ScrollingDiscussions: replace animate-marquee-vertical class + animationDirection inline-style (which conflict because the animation shorthand in the class resets animation-direction) with a single inline `animation` shorthand that includes `reverse` directly. This is unambiguous and immune to specificity/cascade issues. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
In Nextra (main branch) details/summary elements in MDX content were styled as polished accordions by Nextra built-in CSS (border, chevron, hover state). Fumadocs provides no default styling for them, so they fell back to the browsers unstyled native disclosure widget. - components/MdxDetails.tsx: new MdxDetails + MdxSummary components using Tailwind - rounded border, hidden native marker, ChevronRight icon that rotates 90 when open via group-open variant - mdx-components.tsx: map details to MdxDetails and summary to MdxSummary - style.css: add padding for content children of details elements Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…rdions Two root causes caused FAQ accordions to show browser-default 'Details' label: 1. MdxParagraph wraps summary in a p when MDX sees no blank line between closing summary tag and body text. React does not auto-correct invalid DOM nesting (unlike the HTML parser), so summary stays inside p inside details and the browser never recognises it as the disclosure widget. 2. The BLOCK_TAGS check in MdxParagraph only matches string element types. Once summary is mapped to MdxSummary (a function) the check silently falls through and a p is emitted instead of a transparent Fragment. Fixes applied: - Add hasSummary guard in MdxParagraph: when MdxSummary is detected among children, return React Fragment so summary surfaces as a direct child of details in the DOM. - Add blank lines after closing summary tag in all affected content files (observability/overview.mdx, security-and-guardrails.mdx, llm-as-a-judge.mdx, chatbot-analytics.mdx, testing-llm-applications.mdx) so MDX v3 parses summary JSX and body text as separate block elements. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
The entire testimonial card is wrapped in an <a> tag so users can click through to the original post. Without explicit no-underline, the browser default text-decoration:underline applies to all text inside the anchor (name, handle, and quote content). Adding no-underline to the anchor class removes the unwanted underline while keeping the card fully clickable. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…lines - TestimonialsGrid: constrain platform badge to w-5 h-5 with overflow-hidden, flex-center, and proper dark mode bg so the logo sits cleanly inside the circle - TestimonialsGrid: add no-underline to card anchor (browser default was underlining all text inside the link) - CustomerIndex: reorder Tailwind classes (linter) - pagination: add list-none to PaginationContent/PaginationItem (linter) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
fix: sidebar and mobile menu
fix: steps styling
rev: sidebar gh links
fix: hide sidebar modal on blog
fix: overview link
fix: cookbook categories
fix: logo link and remove search from sidebar on other pages
chore: add missin pr 2603
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Motivation
Migrate the Langfuse docs site from Nextra (Pages Router) to Fumadocs (App Router) while keeping all existing content, styles, and redirects intact.
Description
Framework
nextratofumadocsnext.config.mjs,source.config.ts,tsconfig.jsonfor Fumadocs; upgraded Tailwind v3 → v4App Router
app/structure:(home),(wide)marketing pages,docs/[[...slug]],blog/,changelog/, and a generic[section]/[[...slug]]catch-all for guides, self-hosting, handbook, users, etc.Content
pages/→content/<section>/withmeta.jsonnav files/customersrenamed to/users; old URLs covered by permanent redirectsTesting
pnpm run buildcompletes without errors — TypeScript, MDX validation, and Turbopack all pass/customers/*→/users/*redirects confirmed inlib/redirects.js