import { resolve } from 'node:path';
import { defineConfig } from 'vite';
import dts from 'vite-plugin-dts';

// Minimal single-entry build, adapted from packages/core/vite.config.ts.
// `@42/core` (and its subpaths) is a peer dependency and must stay external so
// blade ships only the thin auto-mount layer.
export default defineConfig({
  plugins: [
    dts({
      include: ['src/**/*.ts'],
      exclude: ['**/*.test.ts', 'vite.config.ts'],
    }),
  ],
  build: {
    outDir: 'dist',
    emptyOutDir: true,
    lib: {
      entry: {
        index: resolve(__dirname, 'src/index.ts'),
      },
      formats: ['es'],
    },
    rollupOptions: {
      external: [/^@42\/core/],
      output: {
        entryFileNames: '[name].js',
        chunkFileNames: 'shared/[name].js',
      },
    },
  },
});