vite.config.ts

import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';
import path from 'path';
import dts from 'vite-plugin-dts';
import { UserConfig as VitestUserConfig } from 'vitest/config';

const vitestConfig: VitestUserConfig = {
  test: {
    globals: true,
    environment: 'jsdom',
    setupFiles: ['./src/test/setup.ts'],
  },
};

export default defineConfig({
  plugins: [
    react(),
    dts({
      tsconfigPath: './tsconfig.lib.json',
    }),
  ],
  build: {
    lib: {
      entry: path.resolve(__dirname, 'src/index.ts'),
      name: 'react-select-items',
      formats: ['es', 'cjs'],
      fileName: (format) => `index.${format}.js`,
    },
    rollupOptions: {
      external: ['react', 'react-dom'],
      output: {
        globals: {
          react: 'React',
          'react-dom': 'ReactDOM',
        },
      },
    },
    emptyOutDir: true,
  },
  ...vitestConfig,
});