import { dirname, resolve } from 'node:path';
import { fileURLToPath } from 'node:url';
import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';
import dts from 'vite-plugin-dts';

const root = dirname(fileURLToPath(import.meta.url));

export default defineConfig({
  plugins: [
    react(),
    dts({ include: ['src'], rollupTypes: false }),
  ],
  build: {
    lib: {
      entry: resolve(root, 'src/index.ts'),
      formats: ['es'],
      fileName: () => 'index.js',
    },
    rollupOptions: {
      // Keep React and the headless core external — they are peer deps.
      external: [
        /^react($|\/)/,
        /^react-dom($|\/)/,
        /^@42\/core($|\/)/,
      ],
    },
  },
});