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

const __dirname = fileURLToPath(new URL('.', import.meta.url));

export default defineConfig({
  build: {
    lib: {
      entry: resolve(__dirname, 'src/index.ts'),
      formats: ['es', 'cjs'],
      fileName: (format) => `index.${format === 'es' ? 'mjs' : 'cjs'}`,
    },
    rollupOptions: {
      external: ['vue', 'lodash-es'],
    },
    sourcemap: true,
  },
  resolve: {
    alias: {
      '@': resolve(__dirname, 'src'),
    },
  },
  plugins: [
    dts({
      include: ['src', 'types'],
      outDir: 'dist',
    }),
  ],
});