import { defineConfig } from 'tsup';

export default defineConfig({
  /* One entry per component folder — this is what produces the per-component
     subpath exports. `scripts/gen-exports.mjs` derives package.json#exports
     from the same folder layout, so the two stay in sync automatically. */
  entry: [
    'src/index.ts',
    'src/lib/index.ts',
    'src/hooks/index.ts',
    'src/icons/index.ts',
    'src/components/*/index.ts',
  ],
  outDir: 'dist',
  format: ['esm', 'cjs'],
  target: 'es2022',
  dts: true,
  tsconfig: 'tsconfig.build.json',
  clean: true,
  treeshake: true,
  /* ESM code-splitting pulls shared internals (cn, variant presets, Radix
     re-exports) into shared chunks instead of copying them into every
     component. CJS cannot split, so it duplicates — that is expected. */
  splitting: true,
  /* React must come from the consuming app, never from the kit. */
  external: ['react', 'react-dom', 'react/jsx-runtime'],
  /* No sourcemaps: `scripts/add-use-client.mjs` prepends a line to the entry
     files after the fact, which would leave every mapping off by one. Shipping
     no map is more honest than shipping a wrong one, and keeps the tarball small. */
  sourcemap: false,
});