Sample vite.config.ts File

// Sample vite.config.ts — samplefiles.com
import { defineConfig, loadEnv } from 'vite';
import { fileURLToPath, URL } from 'node:url';

export default defineConfig(({ mode }) => {
  const env = loadEnv(mode, process.cwd(), '');
  return {
    base: env.PUBLIC_BASE ?? '/',
    resolve: {
      alias: { '@': fileURLToPath(new URL('./src', import.meta.url)) },
    },
    server: {
      port: 5173,
      proxy: { '/api': { target: 'http://localhost:3000', changeOrigin: true } },
    },
    build: {
      sourcemap: true,
      rollupOptions: {
        output: { manualChunks: { vendor: ['react', 'react-dom'] } },
      },
    },
  };
});