import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'

export default defineConfig({
  plugins: [react()],

  define: {
    global: 'globalThis',
  },

  // dev server (unchanged)
  server: {
    port: 3000,
  },

  // production preview server (THIS FIXES YOUR ISSUE)
  preview: {
    host: '127.0.0.1',
    port: 4173,
    allowedHosts: ['counter.lnpulse.app'],
  },

  build: {
    rollupOptions: {
      output: {
        manualChunks: {
          ndk: ['@nostr-dev-kit/ndk'],
          vendor: ['react', 'react-dom', 'react-router-dom'],
        },
      },
    },
  },
})