// 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'] } }, }, }, }; });