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Tooling ​

tooling/tsconfig is always generated. Everything else is opt-in at the tooling prompt.

TypeScript ​

@tooling/tsconfig ships base.json: ES2022, moduleResolution: bundler, strict, noUncheckedIndexedAccess, verbatimModuleSyntax. Apps and packages extend it.

Tailwind CSS ​

Creates tooling/tailwind with Tailwind CSS v4 (^4.3.3) and a shared PostCSS plugin. tailwindcss is declared only in that package. Forced on when shadcn/ui is selected (the prompt pre-selects it and the generator keeps it even if you deselect it).

Frontend apps (Vite, Next.js, Astro, Electron, TanStack Start, React Router) get a postcss.config.mjs that re-exports @tooling/tailwind/postcss and an @import "@tooling/tailwind" in their CSS entry. They depend on @tooling/tailwind, not tailwindcss. Express and Fastify are left alone.

Expo is wired with NativeWind v5 on top of the same package: withNativewind in metro.config.js, global.css imported from app/_layout.tsx, and lightningcss pinned to 1.30.1 at the workspace root.

With shadcn, the shared theme.css includes the current CSS-variable color tokens (oklch, light and dark, charts, sidebar). styles.css also imports tw-animate-css and shadcn/tailwind.css from the latest shadcn package. A custom preset code is applied onto this file by shadcn apply.

Oxc ​

Creates tooling/oxc/oxlint.json and oxfmt.json, and rewrites the root lint and format scripts to run Oxc across the repo:

bash
pnpm lint    # oxlint --config tooling/oxc/oxlint.json .
pnpm format  # oxfmt --config tooling/oxc/oxfmt.json .

Default lint rule of note: typescript/no-explicit-any is an error. Format defaults: 2-space indent, semicolons, double quotes, trailing commas.

Selecting Oxc also adds oxlint and oxfmt to the root devDependencies.

Prettier (stub) ​

Writes tooling/prettier/.prettierrc.json and installs Prettier at the repo root. It does not wire a root format script or editor integration. The CLI says “manual wiring still required.”

ESLint (stub) ​

Writes tooling/eslint/eslint.config.js (flat config with ignore patterns only) and installs ESLint at the repo root. Same story: no root lint rewrite. Prefer Oxc if you want lint/format to work immediately.