frontend-widget/vite.config.js

import { defineConfig } from 'vite';
import preact from '@preact/preset-vite';

export default defineConfig({
  plugins: [preact()],
  build: {
    lib: {
      entry: 'src/index.jsx',
      name: 'SmartChatbot',
      formats: ['iife'],
      fileName: () => 'chatbot-widget.js',
    },
    outDir: '../frontend',
    emptyOutDir: false, // preserve config.js and other assets
    rollupOptions: {
      output: {
        inlineDynamicImports: true,
      },
    },
  },
});