radix-base-ui-sync

Development

Keep packages/radix-ui (fumadocs-ui) and packages/base-ui in sync. Use when editing either package, adding features, or fixing bugs so both UI variants stay consistent.

QUICK START

How to use this skill

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Source SKILL.md: https://github.com/fuma-nama/fumadocs/blob/HEAD/.cursor/skills/radix-base-ui-sync/SKILL.md

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Radix UI vs Base UI Package Sync

packages/radix-ui (fumadocs-ui) and packages/base-ui (@fumadocs/base-ui) are two variants of Fumadocs UI. They share the same layout structure, components, and public API; only the underlying primitives differ. When changing one package, consider the other.

Package identity

	radix-ui	base-ui
Package name	`fumadocs-ui`	`@fumadocs/base-ui`
Primitives	`@radix-ui/*`	`@base-ui/react`
Config key	`uiLibrary: 'radix-ui'`	`uiLibrary: 'base-ui'`

What to keep in sync

Layouts: layouts/docs, layouts/flux, layouts/home, layouts/notebook, layouts/shared — structure and props should match; only primitive usage differs.
Components: Same public API and behavior for components under components/ (e.g. toc, steps, sidebar/page-tree, dialog/search behavior). UI primitives in components/ui/ differ by design.
Provider: provider/base.tsx — same props; only DirectionProvider and search/dialog primitives differ.
Contexts, utils, i18n, mdx, og: Should stay identical or nearly identical.
package.json: Same exports shape and version; dependencies differ (Radix vs Base UI).