vite.config.ts

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

export default defineConfig({
  plugins: [react(), tailwindcss()],
  resolve: {
    alias: {
      '@': path.resolve(__dirname, '.'),
    },
  },
  build: {
    rollupOptions: {
      output: {
        manualChunks(id) {
          if (id.includes('node_modules')) {
            if (id.includes('firebase')) {
              return 'firebase';
            }
            if (id.includes('lucide-react')) {
              return 'icons';
            }
            if (id.includes('motion')) {
              return 'motion';
            }
            if (id.includes('react')) {
              return 'react-vendor';
            }
          }
        },
      },
    },
  },
  server: {
    // HMR is disabled in AI Studio via DISABLE_HMR env var.
    // Do not modify—file watching is disabled to prevent flickering during agent edits.
    hmr: process.env.DISABLE_HMR !== 'true',
  },
});