vite.config.js

import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'
import { resolve } from 'path'
import pkg from './package.json'

export default defineConfig(({ mode }) => {
  const shouldMinify = process.env.MINIFY !== 'false' // Check environment variable

  return {
    plugins: [react()],
    build: {
      minify: shouldMinify,
      sourcemap: true,
      lib: {
        entry: resolve(__dirname, 'src/index.js'),
        fileName: format => `index.${format}.js`,
      },
      rollupOptions: {
        external: [
          ...Object.keys(pkg.dependencies), // don't bundle dependencies
          ...Object.keys(pkg.devDependencies),
          /^node:.*/, // don't bundle built-in Node.js modules (use protocol imports!)
        ],
        output: [
          {
            dir: 'dist',
            format: 'es',
            entryFileNames: `[name].[format].js`,
            interop: 'compat',
          },
          {
            dir: 'dist',
            format: 'cjs',
            entryFileNames: `[name].[format].js`,
            interop: 'compat',
          },
        ],
      },
    },
  }
})